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Update copyright year in LICENSE file#384

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frostney merged 1 commit into
mainfrom
license-year-patch
Apr 22, 2026
Merged

Update copyright year in LICENSE file#384
frostney merged 1 commit into
mainfrom
license-year-patch

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@frostney frostney commented Apr 22, 2026

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coderabbitai Bot commented Apr 22, 2026 •
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No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info
⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: e931e64a-86a9-47c3-ad70-2dc8112d408c

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Reviewing files that changed from the base of the PR and between 99fba02 and eb08d42.

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  • LICENSE
📝 Walkthrough

Walkthrough

Updated the copyright year in the LICENSE file from 2025 to 2026 for Johannes Stein. This is a standard annual license text maintenance update with no functional code changes.

Changes

Cohort / File(s) Summary
License Update
LICENSE		 Updated copyright year from 2025 to 2026 for Johannes Stein.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~1 minute

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name Status Explanation Resolution
Description check ⚠️ Warning The pull request description is missing entirely. The required template sections (Summary, Testing) are not present. Add a pull request description following the template, including a Summary section describing the change and Testing section with appropriate checkboxes marked.
✅ Passed checks (4 passed)
Check name Status Explanation
Title check ✅ Passed The title accurately summarizes the main change: updating the copyright year in the LICENSE file from 2025 to 2026.
Docstring Coverage ✅ Passed No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check ✅ Passed Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check ✅ Passed Check skipped because no linked issues were found for this pull request.

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github-actions Bot commented Apr 22, 2026

Suite Timing

Suite Metric Interpreted Bytecode
Tests Total 7527 7527
Tests Passed 7486 ✅ 7527 ✅
Tests Skipped 41 0
Tests Workers 4 4
Tests Test Duration 1.40s 1.61s
Tests Lex (cumulative) 189.7ms 123.1ms
Tests Parse (cumulative) 271.7ms 277.8ms
Tests Compile (cumulative) — 188.3ms
Tests Execute (cumulative) 1.62s 1.67s
Tests Engine Total (cumulative) 2.08s 2.26s
Tests Lex (avg/worker) 47.4ms 30.8ms
Tests Parse (avg/worker) 67.9ms 69.5ms
Tests Compile (avg/worker) — 47.1ms
Tests Execute (avg/worker) 405.5ms 417.1ms
Tests Engine Total (avg/worker) 520.8ms 564.4ms
Benchmarks Total 386 386
Benchmarks Workers 4 4
Benchmarks Duration 3.03min 2.82min

Measured on ubuntu-latest x64.

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github-actions Bot commented Apr 22, 2026

Benchmark Results

386 benchmarks

Interpreted: 🟢 11 improved · 🔴 281 regressed · 94 unchanged · avg -5.5%
Bytecode: 🟢 63 improved · 🔴 56 regressed · 267 unchanged · avg +1.0%

arraybuffer.js — Interp: 🔴 9, 5 unch. · avg -4.2% · Bytecode: 🔴 1, 13 unch. · avg -0.1%
Benchmark Interpreted Δ Bytecode Δ
create ArrayBuffer(0) 194,720 ops/sec [146,508..198,779] → 180,704 ops/sec [140,218..190,398] ~ overlap (-7.2%) 201,935 ops/sec [155,916..233,255] → 223,977 ops/sec [195,248..232,008] ~ overlap (+10.9%)
create ArrayBuffer(64) 192,262 ops/sec [189,083..193,424] → 182,220 ops/sec [181,604..182,915] 🔴 -5.2% 223,091 ops/sec [186,548..224,829] → 217,001 ops/sec [213,661..218,690] ~ overlap (-2.7%)
create ArrayBuffer(1024) 160,330 ops/sec [158,219..161,372] → 153,757 ops/sec [151,448..155,625] 🔴 -4.1% 187,413 ops/sec [178,758..189,575] → 178,663 ops/sec [177,742..180,428] ~ overlap (-4.7%)
create ArrayBuffer(8192) 79,975 ops/sec [78,734..81,009] → 78,631 ops/sec [75,078..83,071] ~ overlap (-1.7%) 92,866 ops/sec [91,844..95,778] → 92,547 ops/sec [89,500..93,596] ~ overlap (-0.3%)
slice full buffer (64 bytes) 210,825 ops/sec [210,745..211,049] → 203,820 ops/sec [201,672..205,091] 🔴 -3.3% 277,643 ops/sec [275,474..279,175] → 273,915 ops/sec [272,286..279,052] ~ overlap (-1.3%)
slice half buffer (512 of 1024 bytes) 187,734 ops/sec [186,511..189,942] → 181,382 ops/sec [173,381..182,879] 🔴 -3.4% 240,862 ops/sec [238,777..241,597] → 243,403 ops/sec [239,334..244,639] ~ overlap (+1.1%)
slice with negative indices 178,076 ops/sec [174,796..180,164] → 167,630 ops/sec [166,492..169,780] 🔴 -5.9% 252,172 ops/sec [247,613..255,973] → 256,974 ops/sec [252,619..257,825] ~ overlap (+1.9%)
slice empty range 199,642 ops/sec [196,043..202,239] → 192,284 ops/sec [189,462..195,149] 🔴 -3.7% 264,630 ops/sec [262,448..265,558] → 264,383 ops/sec [264,069..265,006] ~ overlap (-0.1%)
byteLength access 473,586 ops/sec [464,258..478,076] → 446,615 ops/sec [439,639..466,008] ~ overlap (-5.7%) 719,861 ops/sec [718,599..723,852] → 724,811 ops/sec [718,286..727,881] ~ overlap (+0.7%)
Symbol.toStringTag access 363,266 ops/sec [337,093..376,289] → 362,850 ops/sec [347,214..377,611] ~ overlap (-0.1%) 454,216 ops/sec [445,689..462,103] → 457,871 ops/sec [442,399..461,939] ~ overlap (+0.8%)
ArrayBuffer.isView 291,119 ops/sec [281,673..296,635] → 273,667 ops/sec [271,369..276,127] 🔴 -6.0% 366,798 ops/sec [365,001..367,759] → 354,971 ops/sec [352,330..356,012] 🔴 -3.2%
clone ArrayBuffer(64) 187,598 ops/sec [165,967..189,641] → 178,054 ops/sec [176,624..180,637] ~ overlap (-5.1%) 228,584 ops/sec [226,922..230,889] → 225,319 ops/sec [222,860..228,464] ~ overlap (-1.4%)
clone ArrayBuffer(1024) 158,269 ops/sec [157,706..158,975] → 152,425 ops/sec [151,305..153,163] 🔴 -3.7% 188,435 ops/sec [186,103..189,180] → 185,890 ops/sec [184,979..187,167] ~ overlap (-1.4%)
clone ArrayBuffer inside object 131,736 ops/sec [130,322..133,150] → 126,031 ops/sec [124,999..126,462] 🔴 -4.3% 149,002 ops/sec [146,855..150,019] → 146,105 ops/sec [140,950..147,280] ~ overlap (-1.9%)
arrays.js — Interp: 🔴 18, 1 unch. · avg -7.5% · Bytecode: 🟢 3, 🔴 2, 14 unch. · avg +0.9%
Benchmark Interpreted Δ Bytecode Δ
Array.from length 100 4,561 ops/sec [4,494..4,691] → 4,137 ops/sec [4,106..4,192] 🔴 -9.3% 5,722 ops/sec [5,200..6,773] → 6,741 ops/sec [6,297..6,875] ~ overlap (+17.8%)
Array.from 10 elements 103,037 ops/sec [101,482..103,610] → 95,263 ops/sec [94,424..95,636] 🔴 -7.5% 98,652 ops/sec [97,046..99,488] → 99,509 ops/sec [96,152..100,316] ~ overlap (+0.9%)
Array.of 10 elements 125,645 ops/sec [122,976..126,307] → 114,615 ops/sec [90,922..117,919] 🔴 -8.8% 129,786 ops/sec [129,093..130,641] → 131,284 ops/sec [128,319..131,872] ~ overlap (+1.2%)
spread into new array 152,722 ops/sec [148,192..154,054] → 131,760 ops/sec [123,135..141,720] 🔴 -13.7% 82,806 ops/sec [82,284..82,831] → 84,848 ops/sec [81,708..85,386] ~ overlap (+2.5%)
map over 50 elements 8,339 ops/sec [8,189..8,353] → 7,622 ops/sec [7,542..7,741] 🔴 -8.6% 13,222 ops/sec [13,144..13,261] → 13,180 ops/sec [13,085..13,256] ~ overlap (-0.3%)
filter over 50 elements 7,533 ops/sec [7,504..7,710] → 7,149 ops/sec [7,106..7,187] 🔴 -5.1% 12,789 ops/sec [12,734..12,866] → 12,366 ops/sec [12,299..12,481] 🔴 -3.3%
reduce sum 50 elements 8,626 ops/sec [8,503..8,812] → 7,922 ops/sec [7,509..8,033] 🔴 -8.2% 12,516 ops/sec [12,424..12,566] → 12,558 ops/sec [12,511..12,617] ~ overlap (+0.3%)
forEach over 50 elements 7,618 ops/sec [7,551..7,771] → 7,126 ops/sec [7,013..7,240] 🔴 -6.5% 12,474 ops/sec [12,455..12,626] → 12,380 ops/sec [12,282..12,539] ~ overlap (-0.8%)
find in 50 elements 10,905 ops/sec [9,940..11,142] → 10,206 ops/sec [9,920..10,425] ~ overlap (-6.4%) 18,590 ops/sec [18,431..18,726] → 19,067 ops/sec [18,937..19,262] 🟢 +2.6%
sort 20 elements 4,144 ops/sec [4,089..4,229] → 3,776 ops/sec [3,766..3,794] 🔴 -8.9% 7,049 ops/sec [6,966..7,070] → 7,138 ops/sec [7,111..7,181] 🟢 +1.3%
flat nested array 56,336 ops/sec [54,791..57,243] → 52,687 ops/sec [52,425..53,134] 🔴 -6.5% 55,444 ops/sec [54,965..55,931] → 56,002 ops/sec [55,920..56,583] ~ overlap (+1.0%)
flatMap 31,679 ops/sec [31,195..31,849] → 30,316 ops/sec [29,957..30,487] 🔴 -4.3% 37,410 ops/sec [37,106..37,627] → 38,103 ops/sec [37,645..38,238] 🟢 +1.9%
map inside map (5x5) 8,497 ops/sec [8,429..8,545] → 7,668 ops/sec [7,609..7,670] 🔴 -9.8% 10,726 ops/sec [10,599..10,815] → 10,541 ops/sec [10,425..10,684] ~ overlap (-1.7%)
filter inside map (5x10) 5,912 ops/sec [5,863..5,975] → 5,460 ops/sec [5,379..5,581] 🔴 -7.6% 8,846 ops/sec [8,783..8,879] → 8,380 ops/sec [8,242..8,408] 🔴 -5.3%
reduce inside map (5x10) 6,826 ops/sec [6,759..6,887] → 6,315 ops/sec [6,239..6,435] 🔴 -7.5% 9,851 ops/sec [9,798..9,940] → 9,743 ops/sec [9,628..9,840] ~ overlap (-1.1%)
forEach inside forEach (5x10) 5,958 ops/sec [5,924..6,044] → 5,587 ops/sec [5,527..5,600] 🔴 -6.2% 9,623 ops/sec [9,562..9,699] → 9,711 ops/sec [9,641..9,761] ~ overlap (+0.9%)
find inside some (10x10) 4,858 ops/sec [4,827..5,038] → 4,594 ops/sec [4,493..4,612] 🔴 -5.4% 7,686 ops/sec [7,634..7,727] → 7,762 ops/sec [7,710..7,793] ~ overlap (+1.0%)
map+filter chain nested (5x20) 1,893 ops/sec [1,875..1,895] → 1,749 ops/sec [1,711..1,759] 🔴 -7.6% 2,913 ops/sec [2,899..3,044] → 2,873 ops/sec [2,789..2,901] ~ overlap (-1.4%)
reduce flatten (10x5) 18,344 ops/sec [18,224..18,409] → 17,430 ops/sec [17,175..17,775] 🔴 -5.0% 8,426 ops/sec [8,385..8,492] → 8,408 ops/sec [8,341..8,577] ~ overlap (-0.2%)
async-await.js — Interp: 🔴 5, 1 unch. · avg -7.8% · Bytecode: 🟢 1, 5 unch. · avg +1.9%
Benchmark Interpreted Δ Bytecode Δ
single await 161,664 ops/sec [104,978..165,369] → 140,681 ops/sec [110,139..154,066] ~ overlap (-13.0%) 174,124 ops/sec [124,182..177,316] → 174,406 ops/sec [138,934..181,689] ~ overlap (+0.2%)
multiple awaits 76,905 ops/sec [75,310..77,193] → 72,922 ops/sec [71,828..73,962] 🔴 -5.2% 75,423 ops/sec [75,323..75,928] → 77,674 ops/sec [75,992..78,123] 🟢 +3.0%
await non-Promise value 333,308 ops/sec [322,447..334,917] → 311,476 ops/sec [305,903..318,525] 🔴 -6.6% 436,630 ops/sec [420,211..464,309] → 472,822 ops/sec [462,794..474,040] ~ overlap (+8.3%)
await with try/catch 155,789 ops/sec [154,762..161,412] → 145,078 ops/sec [135,463..148,968] 🔴 -6.9% 170,592 ops/sec [166,800..175,933] → 167,521 ops/sec [143,645..170,976] ~ overlap (-1.8%)
await Promise.all 25,578 ops/sec [25,304..25,883] → 23,703 ops/sec [22,980..23,791] 🔴 -7.3% 23,097 ops/sec [22,709..23,328] → 23,302 ops/sec [22,798..23,325] ~ overlap (+0.9%)
nested async function call 86,001 ops/sec [82,902..87,257] → 79,203 ops/sec [78,170..80,888] 🔴 -7.9% 102,999 ops/sec [101,595..104,205] → 103,615 ops/sec [102,906..104,300] ~ overlap (+0.6%)
base64.js — Interp: 🔴 9, 1 unch. · avg -6.9% · Bytecode: 10 unch. · avg -0.9%
Benchmark Interpreted Δ Bytecode Δ
short ASCII (13 chars) 5,999 ops/sec [5,807..6,135] → 5,528 ops/sec [2,977..5,615] 🔴 -7.9% 5,490 ops/sec [4,262..5,628] → 5,187 ops/sec [3,760..5,512] ~ overlap (-5.5%)
medium ASCII (450 chars) 230 ops/sec [227..235] → 215 ops/sec [212..217] 🔴 -6.5% 213 ops/sec [210..214] → 214 ops/sec [212..215] ~ overlap (+0.6%)
Latin-1 characters 6,508 ops/sec [6,414..6,679] → 5,960 ops/sec [5,879..5,974] 🔴 -8.4% 5,912 ops/sec [5,843..6,042] → 5,855 ops/sec [5,750..5,890] ~ overlap (-1.0%)
short base64 (20 chars) 3,047 ops/sec [3,015..3,059] → 2,696 ops/sec [2,380..2,829] 🔴 -11.5% 2,856 ops/sec [2,843..2,869] → 2,798 ops/sec [2,734..2,872] ~ overlap (-2.0%)
medium base64 (600 chars) 127 ops/sec [126..130] → 119 ops/sec [118..120] 🔴 -6.3% 119 ops/sec [118..119] → 118 ops/sec [114..120] ~ overlap (-0.6%)
Latin-1 output 4,418 ops/sec [4,388..4,438] → 4,016 ops/sec [3,936..4,065] 🔴 -9.1% 4,005 ops/sec [3,996..4,030] → 3,980 ops/sec [3,970..4,006] ~ overlap (-0.6%)
forgiving (no padding) 6,364 ops/sec [6,311..6,383] → 5,984 ops/sec [5,906..6,023] 🔴 -6.0% 5,901 ops/sec [5,754..6,004] → 5,858 ops/sec [5,832..5,874] ~ overlap (-0.7%)
with whitespace 2,746 ops/sec [2,690..2,785] → 2,578 ops/sec [2,468..2,623] 🔴 -6.1% 2,508 ops/sec [2,462..2,559] → 2,555 ops/sec [2,527..2,556] ~ overlap (+1.9%)
atob(btoa(short)) 2,007 ops/sec [1,968..2,024] → 1,956 ops/sec [1,948..1,969] ~ overlap (-2.6%) 1,900 ops/sec [1,886..1,926] → 1,896 ops/sec [1,865..1,919] ~ overlap (-0.2%)
atob(btoa(medium)) 81 ops/sec [81..83] → 78 ops/sec [77..80] 🔴 -4.8% 77 ops/sec [77..77] → 77 ops/sec [76..77] ~ overlap (-0.6%)
classes.js — Interp: 🔴 27, 4 unch. · avg -4.9% · Bytecode: 🟢 3, 🔴 1, 27 unch. · avg +0.3%
Benchmark Interpreted Δ Bytecode Δ
simple class new 66,357 ops/sec [65,679..67,070] → 62,266 ops/sec [58,551..63,255] 🔴 -6.2% 91,232 ops/sec [90,979..91,537] → 90,740 ops/sec [89,644..92,165] ~ overlap (-0.5%)
class with defaults 53,105 ops/sec [52,306..53,959] → 49,986 ops/sec [49,049..50,469] 🔴 -5.9% 60,043 ops/sec [56,980..60,792] → 61,463 ops/sec [60,363..62,165] ~ overlap (+2.4%)
50 instances via Array.from 2,405 ops/sec [2,376..2,444] → 2,306 ops/sec [2,286..2,312] 🔴 -4.1% 3,542 ops/sec [3,479..3,575] → 3,585 ops/sec [3,536..3,619] ~ overlap (+1.2%)
instance method call 31,320 ops/sec [30,759..31,961] → 29,680 ops/sec [29,226..29,902] 🔴 -5.2% 43,021 ops/sec [42,572..43,295] → 43,918 ops/sec [43,397..45,049] 🟢 +2.1%
static method call 51,004 ops/sec [49,587..51,932] → 47,912 ops/sec [47,658..48,244] 🔴 -6.1% 88,485 ops/sec [87,890..88,757] → 90,112 ops/sec [89,881..90,618] 🟢 +1.8%
single-level inheritance 26,529 ops/sec [26,130..26,767] → 24,936 ops/sec [24,695..25,163] 🔴 -6.0% 34,968 ops/sec [34,892..35,574] → 34,397 ops/sec [33,950..35,193] ~ overlap (-1.6%)
two-level inheritance 23,138 ops/sec [22,593..23,505] → 21,849 ops/sec [21,508..22,322] 🔴 -5.6% 28,488 ops/sec [27,595..29,006] → 28,549 ops/sec [28,324..28,558] ~ overlap (+0.2%)
private field access 35,257 ops/sec [35,142..35,336] → 32,670 ops/sec [31,027..33,089] 🔴 -7.3% 44,586 ops/sec [41,961..45,026] → 45,854 ops/sec [45,006..46,315] ~ overlap (+2.8%)
private methods 38,212 ops/sec [38,127..38,661] → 36,136 ops/sec [35,405..36,334] 🔴 -5.4% 49,154 ops/sec [48,790..49,491] → 49,725 ops/sec [49,400..50,189] ~ overlap (+1.2%)
getter/setter access 35,576 ops/sec [35,275..35,977] → 33,570 ops/sec [32,954..33,992] 🔴 -5.6% 51,661 ops/sec [50,797..51,935] → 50,229 ops/sec [50,015..50,900] ~ overlap (-2.8%)
class decorator (identity) 46,870 ops/sec [46,554..47,019] → 44,605 ops/sec [44,210..45,315] 🔴 -4.8% 52,048 ops/sec [51,049..52,488] → 52,638 ops/sec [52,203..53,362] ~ overlap (+1.1%)
class decorator (wrapping) 28,353 ops/sec [27,946..28,593] → 26,248 ops/sec [26,144..26,319] 🔴 -7.4% 29,081 ops/sec [27,913..29,638] → 29,657 ops/sec [28,854..30,435] ~ overlap (+2.0%)
identity method decorator 33,732 ops/sec [33,272..34,287] → 32,024 ops/sec [31,676..32,561] 🔴 -5.1% 42,419 ops/sec [41,642..44,135] → 43,595 ops/sec [42,617..45,789] ~ overlap (+2.8%)
wrapping method decorator 27,628 ops/sec [27,358..28,059] → 25,612 ops/sec [25,584..26,394] 🔴 -7.3% 31,546 ops/sec [31,041..32,636] → 31,710 ops/sec [31,090..33,331] ~ overlap (+0.5%)
stacked method decorators (x3) 18,440 ops/sec [18,380..18,795] → 17,683 ops/sec [17,630..17,720] 🔴 -4.1% 22,177 ops/sec [21,886..22,656] → 21,993 ops/sec [21,589..22,487] ~ overlap (-0.8%)
identity field decorator 38,274 ops/sec [36,845..39,323] → 35,547 ops/sec [33,955..36,469] 🔴 -7.1% 39,849 ops/sec [39,675..41,130] → 40,672 ops/sec [38,630..43,383] ~ overlap (+2.1%)
field initializer decorator 31,290 ops/sec [30,803..32,132] → 29,928 ops/sec [29,576..30,314] 🔴 -4.4% 35,088 ops/sec [34,299..35,983] → 34,387 ops/sec [34,048..34,845] ~ overlap (-2.0%)
getter decorator (identity) 34,217 ops/sec [33,828..34,540] → 32,499 ops/sec [32,200..32,772] 🔴 -5.0% 38,668 ops/sec [38,094..39,306] → 39,119 ops/sec [38,655..39,653] ~ overlap (+1.2%)
setter decorator (identity) 28,440 ops/sec [27,455..28,609] → 27,113 ops/sec [26,922..27,231] 🔴 -4.7% 31,572 ops/sec [31,058..31,885] → 32,553 ops/sec [32,424..32,953] 🟢 +3.1%
static method decorator 35,660 ops/sec [35,060..36,937] → 34,764 ops/sec [34,353..34,935] 🔴 -2.5% 44,368 ops/sec [43,644..45,379] → 46,880 ops/sec [44,450..49,855] ~ overlap (+5.7%)
static field decorator 42,668 ops/sec [41,541..45,063] → 41,333 ops/sec [40,578..42,132] ~ overlap (-3.1%) 46,537 ops/sec [45,298..47,431] → 45,349 ops/sec [44,267..46,819] ~ overlap (-2.6%)
private method decorator 28,027 ops/sec [27,719..28,490] → 26,855 ops/sec [26,470..27,191] 🔴 -4.2% 37,309 ops/sec [36,229..38,358] → 37,284 ops/sec [36,573..37,831] ~ overlap (-0.1%)
private field decorator 31,142 ops/sec [30,632..31,171] → 29,770 ops/sec [29,342..30,023] 🔴 -4.4% 35,282 ops/sec [34,164..36,375] → 33,012 ops/sec [31,859..33,896] 🔴 -6.4%
plain auto-accessor (no decorator) 54,619 ops/sec [53,433..58,154] → 52,234 ops/sec [51,348..54,027] ~ overlap (-4.4%) 51,383 ops/sec [49,418..51,983] → 51,882 ops/sec [48,587..54,108] ~ overlap (+1.0%)
auto-accessor with decorator 30,897 ops/sec [29,808..32,083] → 29,001 ops/sec [28,400..29,654] 🔴 -6.1% 30,486 ops/sec [29,988..31,455] → 29,887 ops/sec [29,137..31,673] ~ overlap (-2.0%)
decorator writing metadata 24,205 ops/sec [23,647..24,540] → 23,184 ops/sec [22,721..23,310] 🔴 -4.2% 26,250 ops/sec [25,602..27,306] → 25,779 ops/sec [25,478..26,562] ~ overlap (-1.8%)
static getter read 64,448 ops/sec [63,276..65,173] → 62,105 ops/sec [61,700..62,541] 🔴 -3.6% 86,793 ops/sec [86,210..88,738] → 87,869 ops/sec [87,526..88,223] ~ overlap (+1.2%)
static getter/setter pair 48,874 ops/sec [48,601..49,249] → 46,546 ops/sec [46,469..46,635] 🔴 -4.8% 62,923 ops/sec [61,036..64,733] → 62,414 ops/sec [60,931..62,701] ~ overlap (-0.8%)
inherited static getter 39,634 ops/sec [39,255..40,218] → 39,105 ops/sec [38,853..39,306] ~ overlap (-1.3%) 52,267 ops/sec [51,586..52,668] → 51,270 ops/sec [50,910..51,948] ~ overlap (-1.9%)
inherited static setter 43,133 ops/sec [42,839..43,620] → 41,548 ops/sec [40,900..42,160] 🔴 -3.7% 53,798 ops/sec [53,096..54,407] → 54,218 ops/sec [53,951..54,832] ~ overlap (+0.8%)
inherited static getter with this binding 35,158 ops/sec [29,051..35,727] → 34,487 ops/sec [33,602..35,055] ~ overlap (-1.9%) 45,476 ops/sec [44,812..45,884] → 44,792 ops/sec [44,530..45,202] ~ overlap (-1.5%)
closures.js — Interp: 🔴 10, 1 unch. · avg -5.0% · Bytecode: 🟢 1, 🔴 1, 9 unch. · avg -0.1%
Benchmark Interpreted Δ Bytecode Δ
closure over single variable 52,224 ops/sec [51,180..52,514] → 49,534 ops/sec [49,051..49,658] 🔴 -5.2% 144,331 ops/sec [142,350..145,749] → 143,870 ops/sec [142,156..145,779] ~ overlap (-0.3%)
closure over multiple variables 52,365 ops/sec [44,691..52,798] → 50,179 ops/sec [49,355..50,364] ~ overlap (-4.2%) 139,063 ops/sec [137,490..139,648] → 134,674 ops/sec [132,654..136,849] 🔴 -3.2%
nested closures 57,324 ops/sec [56,258..57,497] → 55,608 ops/sec [55,197..56,143] 🔴 -3.0% 140,130 ops/sec [138,563..142,536] → 139,109 ops/sec [135,824..140,850] ~ overlap (-0.7%)
function as argument 39,105 ops/sec [38,780..39,965] → 38,202 ops/sec [38,022..38,428] 🔴 -2.3% 144,178 ops/sec [143,048..147,215] → 145,464 ops/sec [144,789..146,848] ~ overlap (+0.9%)
function returning function 50,309 ops/sec [49,778..50,421] → 48,179 ops/sec [47,141..48,393] 🔴 -4.2% 161,397 ops/sec [157,877..163,413] → 162,244 ops/sec [158,650..165,234] ~ overlap (+0.5%)
compose two functions 30,806 ops/sec [30,276..31,569] → 29,144 ops/sec [28,580..29,544] 🔴 -5.4% 92,519 ops/sec [90,907..93,700] → 92,628 ops/sec [91,968..92,934] ~ overlap (+0.1%)
fn.call 69,937 ops/sec [69,158..70,375] → 67,176 ops/sec [66,427..67,516] 🔴 -3.9% 93,746 ops/sec [92,933..94,097] → 94,598 ops/sec [92,521..95,074] ~ overlap (+0.9%)
fn.apply 53,791 ops/sec [53,259..54,474] → 50,997 ops/sec [50,163..51,267] 🔴 -5.2% 94,789 ops/sec [93,980..95,630] → 95,489 ops/sec [93,852..95,961] ~ overlap (+0.7%)
fn.bind 65,992 ops/sec [64,781..67,801] → 61,812 ops/sec [60,394..62,599] 🔴 -6.3% 170,054 ops/sec [169,443..171,003] → 168,546 ops/sec [164,541..170,642] ~ overlap (-0.9%)
recursive sum to 50 4,792 ops/sec [4,717..4,966] → 4,407 ops/sec [4,346..4,468] 🔴 -8.0% 18,362 ops/sec [17,715..18,546] → 18,145 ops/sec [18,031..18,200] ~ overlap (-1.2%)
recursive tree traversal 9,255 ops/sec [9,090..9,290] → 8,615 ops/sec [8,450..8,673] 🔴 -6.9% 19,195 ops/sec [19,100..19,360] → 19,563 ops/sec [19,421..19,630] 🟢 +1.9%
collections.js — Interp: 🔴 12 · avg -9.6% · Bytecode: 🟢 1, 🔴 4, 7 unch. · avg -1.1%
Benchmark Interpreted Δ Bytecode Δ
add 50 elements 3,372 ops/sec [3,247..3,442] → 3,103 ops/sec [3,099..3,111] 🔴 -8.0% 3,608 ops/sec [3,570..3,666] → 3,620 ops/sec [3,607..3,643] ~ overlap (+0.3%)
has lookup (50 elements) 49,860 ops/sec [49,713..50,366] → 44,072 ops/sec [43,399..44,984] 🔴 -11.6% 49,669 ops/sec [49,119..49,972] → 49,374 ops/sec [48,504..49,962] ~ overlap (-0.6%)
delete elements 27,415 ops/sec [26,816..28,127] → 24,005 ops/sec [23,259..24,250] 🔴 -12.4% 25,617 ops/sec [25,512..25,914] → 25,884 ops/sec [25,735..26,059] ~ overlap (+1.0%)
forEach iteration 6,230 ops/sec [6,137..6,356] → 5,801 ops/sec [5,748..5,837] 🔴 -6.9% 8,458 ops/sec [8,407..8,499] → 8,778 ops/sec [8,655..8,830] 🟢 +3.8%
spread to array 17,317 ops/sec [16,653..17,402] → 16,249 ops/sec [16,095..16,512] 🔴 -6.2% 110,681 ops/sec [109,366..111,204] → 111,393 ops/sec [110,290..112,114] ~ overlap (+0.6%)
deduplicate array 23,212 ops/sec [21,839..23,495] → 21,494 ops/sec [21,280..21,667] 🔴 -7.4% 35,655 ops/sec [35,248..35,897] → 35,043 ops/sec [34,895..35,859] ~ overlap (-1.7%)
set 50 entries 2,648 ops/sec [2,629..2,672] → 2,361 ops/sec [2,334..2,419] 🔴 -10.8% 2,743 ops/sec [2,737..2,773] → 2,669 ops/sec [2,619..2,679] 🔴 -2.7%
get lookup (50 entries) 47,258 ops/sec [46,235..49,069] → 40,545 ops/sec [40,186..40,946] 🔴 -14.2% 43,756 ops/sec [43,364..44,338] → 42,162 ops/sec [41,943..42,222] 🔴 -3.6%
has check 69,792 ops/sec [68,634..70,477] → 59,638 ops/sec [59,362..59,792] 🔴 -14.5% 66,376 ops/sec [66,109..66,947] → 64,146 ops/sec [63,834..64,295] 🔴 -3.4%
delete entries 25,532 ops/sec [25,154..26,281] → 22,095 ops/sec [21,926..22,204] 🔴 -13.5% 23,384 ops/sec [23,323..23,699] → 22,466 ops/sec [22,305..22,602] 🔴 -3.9%
forEach iteration 6,142 ops/sec [6,065..6,211] → 5,759 ops/sec [5,694..5,811] 🔴 -6.2% 8,575 ops/sec [8,443..8,658] → 8,503 ops/sec [8,485..8,537] ~ overlap (-0.8%)
keys/values/entries 4,718 ops/sec [4,605..4,813] → 4,531 ops/sec [4,394..4,598] 🔴 -4.0% 14,804 ops/sec [14,656..14,891] → 14,495 ops/sec [14,405..14,794] ~ overlap (-2.1%)
csv.js — Interp: 🔴 13 · avg -8.9% · Bytecode: 🟢 2, 🔴 2, 9 unch. · avg -0.1%
Benchmark Interpreted Δ Bytecode Δ
parse simple 3-column CSV 53,542 ops/sec [51,178..54,182] → 49,618 ops/sec [49,353..49,910] 🔴 -7.3% 51,193 ops/sec [50,956..51,899] → 51,747 ops/sec [51,094..52,063] ~ overlap (+1.1%)
parse 10-row CSV 14,724 ops/sec [14,462..15,300] → 13,794 ops/sec [13,700..13,873] 🔴 -6.3% 14,034 ops/sec [13,799..14,341] → 14,158 ops/sec [13,938..14,275] ~ overlap (+0.9%)
parse 100-row CSV 2,365 ops/sec [2,272..2,431] → 2,153 ops/sec [2,122..2,255] 🔴 -9.0% 2,279 ops/sec [2,220..2,308] → 2,265 ops/sec [2,250..2,267] ~ overlap (-0.6%)
parse CSV with quoted fields 77,907 ops/sec [76,653..79,079] → 71,250 ops/sec [70,334..71,565] 🔴 -8.5% 75,299 ops/sec [74,721..75,590] → 75,508 ops/sec [75,165..75,760] ~ overlap (+0.3%)
parse without headers (array of arrays) 6,235 ops/sec [6,186..6,423] → 5,650 ops/sec [5,565..5,803] 🔴 -9.4% 5,901 ops/sec [5,872..5,954] → 5,871 ops/sec [5,830..6,036] ~ overlap (-0.5%)
parse with semicolon delimiter 10,795 ops/sec [10,490..10,989] → 9,777 ops/sec [9,645..9,940] 🔴 -9.4% 10,160 ops/sec [10,148..10,200] → 9,898 ops/sec [9,893..9,949] 🔴 -2.6%
stringify array of objects 76,729 ops/sec [75,185..79,930] → 68,058 ops/sec [67,368..68,822] 🔴 -11.3% 75,960 ops/sec [75,844..76,041] → 73,353 ops/sec [72,725..74,067] 🔴 -3.4%
stringify array of arrays 28,119 ops/sec [26,355..28,600] → 24,291 ops/sec [23,974..24,383] 🔴 -13.6% 25,809 ops/sec [25,588..26,251] → 25,471 ops/sec [25,248..25,606] ~ overlap (-1.3%)
stringify with values needing escaping 58,362 ops/sec [56,712..58,782] → 50,690 ops/sec [49,935..51,123] 🔴 -13.1% 55,396 ops/sec [54,736..55,577] → 56,100 ops/sec [55,918..56,268] 🟢 +1.3%
reviver converts numbers 1,493 ops/sec [1,456..1,538] → 1,412 ops/sec [1,401..1,419] 🔴 -5.4% 1,616 ops/sec [1,594..1,632] → 1,600 ops/sec [1,541..1,619] ~ overlap (-0.9%)
reviver filters empty to null 13,163 ops/sec [12,945..13,433] → 12,520 ops/sec [12,475..12,797] 🔴 -4.9% 13,983 ops/sec [13,804..14,476] → 14,025 ops/sec [13,851..14,163] ~ overlap (+0.3%)
parse then stringify 9,395 ops/sec [9,047..9,626] → 8,567 ops/sec [8,353..8,692] 🔴 -8.8% 8,513 ops/sec [8,420..8,590] → 8,730 ops/sec [8,653..8,933] 🟢 +2.5%
stringify then parse 9,188 ops/sec [8,936..9,426] → 8,382 ops/sec [8,258..8,442] 🔴 -8.8% 8,350 ops/sec [8,296..8,399] → 8,499 ops/sec [8,387..8,519] ~ overlap (+1.8%)
destructuring.js — Interp: 🔴 20, 2 unch. · avg -4.8% · Bytecode: 22 unch. · avg -0.1%
Benchmark Interpreted Δ Bytecode Δ
simple array destructuring 193,077 ops/sec [191,701..200,406] → 181,491 ops/sec [175,709..184,009] 🔴 -6.0% 130,075 ops/sec [127,057..131,214] → 128,775 ops/sec [125,897..129,301] ~ overlap (-1.0%)
with rest element 125,258 ops/sec [124,600..128,751] → 121,082 ops/sec [119,121..123,606] 🔴 -3.3% 95,854 ops/sec [95,469..97,112] → 94,307 ops/sec [92,752..96,331] ~ overlap (-1.6%)
with defaults 188,566 ops/sec [184,991..189,787] → 180,458 ops/sec [175,434..182,715] 🔴 -4.3% 148,876 ops/sec [147,943..150,853] → 149,525 ops/sec [146,344..150,910] ~ overlap (+0.4%)
skip elements 200,956 ops/sec [188,464..210,012] → 194,388 ops/sec [193,931..194,784] ~ overlap (-3.3%) 138,973 ops/sec [135,843..139,377] → 138,572 ops/sec [135,686..140,336] ~ overlap (-0.3%)
nested array destructuring 94,722 ops/sec [93,662..97,885] → 87,863 ops/sec [87,046..91,011] 🔴 -7.2% 45,328 ops/sec [44,465..45,994] → 45,377 ops/sec [44,824..46,887] ~ overlap (+0.1%)
swap variables 237,744 ops/sec [236,067..238,273] → 227,044 ops/sec [223,589..229,896] 🔴 -4.5% 166,271 ops/sec [162,182..170,434] → 167,247 ops/sec [163,794..170,028] ~ overlap (+0.6%)
simple object destructuring 160,803 ops/sec [159,402..162,717] → 151,466 ops/sec [149,258..152,582] 🔴 -5.8% 173,675 ops/sec [172,707..176,694] → 174,929 ops/sec [172,899..176,442] ~ overlap (+0.7%)
with defaults 177,667 ops/sec [175,097..178,581] → 170,819 ops/sec [166,512..172,302] 🔴 -3.9% 230,630 ops/sec [227,138..232,746] → 230,249 ops/sec [228,089..235,714] ~ overlap (-0.2%)
with renaming 168,112 ops/sec [167,111..174,080] → 162,539 ops/sec [161,281..165,095] 🔴 -3.3% 175,512 ops/sec [174,447..177,876] → 176,543 ops/sec [175,469..180,016] ~ overlap (+0.6%)
nested object destructuring 83,241 ops/sec [82,712..84,781] → 82,315 ops/sec [80,123..82,655] 🔴 -1.1% 86,333 ops/sec [83,250..87,415] → 87,245 ops/sec [86,784..88,011] ~ overlap (+1.1%)
rest properties 102,442 ops/sec [100,896..104,526] → 101,339 ops/sec [96,457..103,028] ~ overlap (-1.1%) 85,100 ops/sec [82,849..86,954] → 85,264 ops/sec [83,637..87,191] ~ overlap (+0.2%)
object parameter 50,209 ops/sec [49,962..51,012] → 47,274 ops/sec [46,265..47,410] 🔴 -5.8% 70,125 ops/sec [69,536..71,046] → 69,316 ops/sec [68,154..71,371] ~ overlap (-1.2%)
array parameter 60,290 ops/sec [59,669..61,219] → 56,506 ops/sec [55,230..57,052] 🔴 -6.3% 63,550 ops/sec [63,104..64,554] → 62,352 ops/sec [60,419..64,121] ~ overlap (-1.9%)
mixed destructuring in map 14,097 ops/sec [14,012..14,461] → 12,937 ops/sec [12,737..12,973] 🔴 -8.2% 18,373 ops/sec [18,269..18,393] → 18,805 ops/sec [18,366..19,256] ~ overlap (+2.4%)
forEach with array destructuring 30,040 ops/sec [29,865..31,639] → 29,626 ops/sec [29,406..29,755] 🔴 -1.4% 23,675 ops/sec [23,411..23,990] → 23,837 ops/sec [23,188..24,381] ~ overlap (+0.7%)
map with array destructuring 31,650 ops/sec [31,170..31,807] → 30,165 ops/sec [29,727..30,548] 🔴 -4.7% 22,805 ops/sec [22,452..23,413] → 22,968 ops/sec [22,751..23,368] ~ overlap (+0.7%)
filter with array destructuring 32,492 ops/sec [32,014..33,390] → 31,664 ops/sec [31,607..31,863] 🔴 -2.5% 24,825 ops/sec [24,267..24,963] → 24,594 ops/sec [24,366..24,781] ~ overlap (-0.9%)
reduce with array destructuring 35,446 ops/sec [35,253..35,915] → 33,622 ops/sec [32,895..33,938] 🔴 -5.1% 25,573 ops/sec [25,306..25,666] → 25,400 ops/sec [24,311..26,164] ~ overlap (-0.7%)
map with object destructuring 30,728 ops/sec [29,419..31,017] → 28,435 ops/sec [28,226..29,196] 🔴 -7.5% 42,837 ops/sec [42,310..42,917] → 42,216 ops/sec [41,630..42,493] ~ overlap (-1.4%)
map with nested destructuring 26,763 ops/sec [26,430..27,271] → 24,449 ops/sec [23,795..24,753] 🔴 -8.6% 38,800 ops/sec [38,487..39,024] → 38,771 ops/sec [38,604..38,947] ~ overlap (-0.1%)
map with rest in destructuring 19,700 ops/sec [19,677..19,849] → 18,781 ops/sec [18,476..18,833] 🔴 -4.7% 13,503 ops/sec [13,290..13,592] → 13,247 ops/sec [12,609..13,496] ~ overlap (-1.9%)
map with defaults in destructuring 25,128 ops/sec [24,970..25,595] → 23,257 ops/sec [22,875..23,733] 🔴 -7.4% 31,463 ops/sec [30,911..31,837] → 31,713 ops/sec [31,536..31,937] ~ overlap (+0.8%)
fibonacci.js — Interp: 🔴 8 · avg -6.4% · Bytecode: 🔴 1, 7 unch. · avg -0.3%
Benchmark Interpreted Δ Bytecode Δ
recursive fib(15) 128 ops/sec [126..129] → 118 ops/sec [115..121] 🔴 -7.8% 514 ops/sec [513..516] → 509 ops/sec [506..513] ~ overlap (-1.0%)
recursive fib(20) 11 ops/sec [11..11] → 10 ops/sec [10..11] 🔴 -7.3% 47 ops/sec [46..47] → 45 ops/sec [45..45] 🔴 -3.2%
recursive fib(15) typed 125 ops/sec [124..127] → 118 ops/sec [114..120] 🔴 -6.0% 421 ops/sec [420..422] → 421 ops/sec [417..426] ~ overlap (+0.1%)
recursive fib(20) typed 12 ops/sec [11..12] → 11 ops/sec [11..11] 🔴 -7.4% 39 ops/sec [37..39] → 38 ops/sec [38..39] ~ overlap (-0.2%)
iterative fib(20) via reduce 6,196 ops/sec [6,130..6,284] → 5,825 ops/sec [5,765..5,871] 🔴 -6.0% 9,830 ops/sec [9,770..9,922] → 9,947 ops/sec [9,837..10,042] ~ overlap (+1.2%)
iterator fib(20) 4,610 ops/sec [4,544..4,658] → 4,411 ops/sec [4,354..4,479] 🔴 -4.3% 7,950 ops/sec [7,905..8,054] → 7,993 ops/sec [7,886..8,044] ~ overlap (+0.5%)
iterator fib(20) via Iterator.from + take 7,247 ops/sec [7,053..7,260] → 6,857 ops/sec [6,829..6,912] 🔴 -5.4% 9,240 ops/sec [9,121..9,499] → 9,186 ops/sec [8,620..9,612] ~ overlap (-0.6%)
iterator fib(20) last value via reduce 5,289 ops/sec [5,199..5,380] → 4,916 ops/sec [4,908..4,925] 🔴 -7.1% 6,657 ops/sec [6,328..6,752] → 6,731 ops/sec [6,503..6,778] ~ overlap (+1.1%)
float16array.js — Interp: 🟢 4, 🔴 16, 12 unch. · avg -2.3% · Bytecode: 🟢 11, 🔴 3, 18 unch. · avg +2.5%
Benchmark Interpreted Δ Bytecode Δ
new Float16Array(0) 158,671 ops/sec [155,552..159,538] → 154,475 ops/sec [153,046..156,779] ~ overlap (-2.6%) 175,134 ops/sec [173,327..180,984] → 182,703 ops/sec [176,717..184,044] ~ overlap (+4.3%)
new Float16Array(100) 149,611 ops/sec [148,810..151,356] → 147,603 ops/sec [146,443..148,320] 🔴 -1.3% 165,314 ops/sec [161,557..169,122] → 170,256 ops/sec [169,050..171,484] ~ overlap (+3.0%)
new Float16Array(1000) 118,412 ops/sec [117,026..119,377] → 119,239 ops/sec [117,527..121,009] ~ overlap (+0.7%) 129,917 ops/sec [128,883..131,652] → 136,025 ops/sec [134,706..137,359] 🟢 +4.7%
Float16Array.from([...100]) 91,621 ops/sec [89,829..92,727] → 87,534 ops/sec [87,307..87,874] 🔴 -4.5% 97,488 ops/sec [96,027..99,191] → 94,292 ops/sec [92,939..95,618] 🔴 -3.3%
Float16Array.of(1.5, 2.5, 3.5, 4.5, 5.5) 145,286 ops/sec [144,387..145,981] → 141,602 ops/sec [139,159..143,111] 🔴 -2.5% 113,659 ops/sec [112,732..115,484] → 114,966 ops/sec [113,453..115,265] ~ overlap (+1.2%)
new Float16Array(float64Array) 102,025 ops/sec [101,511..103,032] → 96,403 ops/sec [94,433..97,960] 🔴 -5.5% 107,974 ops/sec [106,842..109,792] → 106,720 ops/sec [104,972..106,951] ~ overlap (-1.2%)
sequential write 100 elements 1,697 ops/sec [1,633..1,703] → 1,692 ops/sec [1,685..1,722] ~ overlap (-0.3%) 3,501 ops/sec [3,418..3,515] → 3,834 ops/sec [3,811..3,907] 🟢 +9.5%
sequential read 100 elements 1,848 ops/sec [1,818..1,899] → 1,875 ops/sec [1,845..1,898] ~ overlap (+1.4%) 5,049 ops/sec [4,966..5,103] → 5,070 ops/sec [4,988..5,117] ~ overlap (+0.4%)
write special values (NaN, Inf, -0) 90,309 ops/sec [87,141..91,771] → 86,137 ops/sec [84,068..88,563] ~ overlap (-4.6%) 119,195 ops/sec [117,069..119,966] → 120,384 ops/sec [118,713..123,155] ~ overlap (+1.0%)
Float16Array write 1,740 ops/sec [1,659..1,777] → 1,698 ops/sec [1,663..1,712] ~ overlap (-2.4%) 3,533 ops/sec [3,477..3,579] → 3,878 ops/sec [3,847..3,892] 🟢 +9.8%
Float32Array write 1,767 ops/sec [1,754..1,808] → 1,677 ops/sec [1,648..1,746] 🔴 -5.1% 3,584 ops/sec [3,525..3,601] → 3,877 ops/sec [3,836..3,929] 🟢 +8.2%
Float64Array write 1,786 ops/sec [1,712..1,817] → 1,714 ops/sec [1,702..1,730] ~ overlap (-4.1%) 3,565 ops/sec [3,502..3,642] → 3,870 ops/sec [3,833..3,951] 🟢 +8.5%
Float16Array read 1,808 ops/sec [1,771..1,845] → 1,819 ops/sec [1,808..1,853] ~ overlap (+0.6%) 4,922 ops/sec [4,860..4,941] → 4,527 ops/sec [4,438..4,576] 🔴 -8.0%
Float32Array read 1,862 ops/sec [1,816..1,930] → 1,876 ops/sec [1,816..1,899] ~ overlap (+0.7%) 5,142 ops/sec [5,043..5,205] → 5,207 ops/sec [5,137..5,294] ~ overlap (+1.3%)
Float64Array read 1,868 ops/sec [1,860..1,892] → 1,875 ops/sec [1,831..1,906] ~ overlap (+0.4%) 5,160 ops/sec [5,033..5,174] → 5,182 ops/sec [5,107..5,234] ~ overlap (+0.4%)
fill(1.5) 24,430 ops/sec [23,974..25,101] → 22,282 ops/sec [22,221..22,314] 🔴 -8.8% 23,226 ops/sec [22,840..23,379] → 22,301 ops/sec [22,020..22,835] 🔴 -4.0%
slice() 87,912 ops/sec [87,584..89,557] → 88,856 ops/sec [88,073..90,764] ~ overlap (+1.1%) 101,536 ops/sec [100,555..102,491] → 99,910 ops/sec [96,878..102,080] ~ overlap (-1.6%)
map(x => x * 2) 3,073 ops/sec [3,018..3,093] → 2,805 ops/sec [2,786..2,811] 🔴 -8.7% 3,698 ops/sec [3,653..3,757] → 3,839 ops/sec [3,758..3,969] 🟢 +3.8%
filter(x => x > 25) 3,211 ops/sec [3,177..3,256] → 3,001 ops/sec [2,938..3,017] 🔴 -6.5% 4,127 ops/sec [4,048..4,230] → 4,362 ops/sec [4,273..4,432] 🟢 +5.7%
reduce (sum) 3,064 ops/sec [3,044..3,118] → 2,832 ops/sec [2,762..2,877] 🔴 -7.6% 3,450 ops/sec [3,404..3,478] → 3,391 ops/sec [3,349..3,406] ~ overlap (-1.7%)
sort() 17,697 ops/sec [17,485..17,835] → 18,843 ops/sec [18,718..18,972] 🟢 +6.5% 21,314 ops/sec [21,265..21,403] → 21,534 ops/sec [21,399..21,594] ~ overlap (+1.0%)
indexOf() 100,655 ops/sec [99,930..100,919] → 103,180 ops/sec [102,622..103,871] 🟢 +2.5% 128,694 ops/sec [118,364..129,400] → 130,233 ops/sec [128,626..131,324] ~ overlap (+1.2%)
reverse() 117,262 ops/sec [114,662..118,791] → 113,591 ops/sec [111,734..115,057] ~ overlap (-3.1%) 131,868 ops/sec [130,476..133,486] → 132,829 ops/sec [132,261..134,100] ~ overlap (+0.7%)
toReversed() 50,664 ops/sec [50,007..51,506] → 53,374 ops/sec [52,943..53,651] 🟢 +5.3% 60,058 ops/sec [59,648..60,434] → 59,849 ops/sec [59,457..60,396] ~ overlap (-0.3%)
toSorted() 682 ops/sec [680..703] → 738 ops/sec [732..742] 🟢 +8.1% 818 ops/sec [816..819] → 816 ops/sec [815..818] ~ overlap (-0.2%)
create view over existing buffer 190,793 ops/sec [189,168..192,976] → 182,457 ops/sec [181,396..186,002] 🔴 -4.4% 199,462 ops/sec [197,858..206,049] → 215,418 ops/sec [214,089..217,274] 🟢 +8.0%
subarray() 206,509 ops/sec [205,169..208,320] → 200,489 ops/sec [200,066..204,088] 🔴 -2.9% 251,935 ops/sec [249,212..254,776] → 265,840 ops/sec [261,672..270,820] 🟢 +5.5%
set() from array 234,551 ops/sec [232,627..235,637] → 222,516 ops/sec [190,133..225,400] 🔴 -5.1% 268,237 ops/sec [265,153..272,655] → 278,783 ops/sec [272,343..286,206] ~ overlap (+3.9%)
for-of loop 2,652 ops/sec [2,597..2,661] → 2,549 ops/sec [2,519..2,563] 🔴 -3.9% 6,706 ops/sec [6,701..6,775] → 7,113 ops/sec [7,041..7,164] 🟢 +6.1%
spread into array 9,638 ops/sec [9,507..9,852] → 9,138 ops/sec [9,023..9,274] 🔴 -5.2% 36,920 ops/sec [34,670..37,292] → 39,361 ops/sec [38,977..40,066] 🟢 +6.6%
f16round(1.337) 297,292 ops/sec [285,983..300,867] → 282,454 ops/sec [281,014..283,481] 🔴 -5.0% 269,946 ops/sec [263,945..277,310] → 285,404 ops/sec [229,738..295,264] ~ overlap (+5.7%)
f16round over 100 values 1,875 ops/sec [1,838..1,911] → 1,766 ops/sec [1,705..1,785] 🔴 -5.8% 3,389 ops/sec [3,353..3,423] → 3,390 ops/sec [3,378..3,434] ~ overlap (+0.0%)
for-of.js — Interp: 🔴 4, 3 unch. · avg -2.8% · Bytecode: 7 unch. · avg +0.3%
Benchmark Interpreted Δ Bytecode Δ
for...of with 10-element array 23,363 ops/sec [22,613..23,584] → 23,278 ops/sec [23,135..23,467] ~ overlap (-0.4%) 89,756 ops/sec [88,346..90,171] → 90,009 ops/sec [89,760..91,288] ~ overlap (+0.3%)
for...of with 100-element array 2,673 ops/sec [2,629..2,733] → 2,676 ops/sec [2,623..2,728] ~ overlap (+0.1%) 10,754 ops/sec [10,745..10,768] → 10,729 ops/sec [10,608..10,814] ~ overlap (-0.2%)
for...of with string (10 chars) 17,436 ops/sec [17,205..17,640] → 16,702 ops/sec [16,551..16,856] 🔴 -4.2% 36,601 ops/sec [35,832..37,100] → 37,242 ops/sec [36,924..37,572] ~ overlap (+1.7%)
for...of with Set (10 elements) 23,405 ops/sec [23,081..23,794] → 23,113 ops/sec [22,953..23,217] ~ overlap (-1.2%) 86,871 ops/sec [85,642..88,651] → 87,363 ops/sec [85,836..87,698] ~ overlap (+0.6%)
for...of with Map entries (10 entries) 15,568 ops/sec [15,419..15,919] → 15,120 ops/sec [14,845..15,184] 🔴 -2.9% 16,319 ops/sec [16,312..16,368] → 16,389 ops/sec [16,269..16,416] ~ overlap (+0.4%)
for...of with destructuring 20,584 ops/sec [20,437..20,704] → 19,588 ops/sec [19,287..19,660] 🔴 -4.8% 21,467 ops/sec [21,185..21,763] → 21,528 ops/sec [21,392..22,107] ~ overlap (+0.3%)
for-await-of with sync array 23,303 ops/sec [23,089..23,625] → 21,896 ops/sec [21,770..21,982] 🔴 -6.0% 64,342 ops/sec [63,593..64,533] → 63,872 ops/sec [63,702..66,856] ~ overlap (-0.7%)
helpers/bench-module.js — Interp: 0 · Bytecode: 0
Benchmark Interpreted Δ Bytecode Δ
iterators.js — Interp: 🔴 25, 17 unch. · avg -3.5% · Bytecode: 🟢 13, 🔴 5, 24 unch. · avg +0.9%
Benchmark Interpreted Δ Bytecode Δ
Iterator.from({next}).toArray() — 20 elements 7,219 ops/sec [7,203..7,260] → 6,857 ops/sec [6,775..6,969] 🔴 -5.0% 9,558 ops/sec [9,420..9,694] → 9,608 ops/sec [9,501..9,685] ~ overlap (+0.5%)
Iterator.from({next}).toArray() — 50 elements 3,074 ops/sec [3,039..3,105] → 2,983 ops/sec [2,943..3,007] 🔴 -3.0% 4,185 ops/sec [4,137..4,222] → 4,245 ops/sec [4,200..4,258] ~ overlap (+1.4%)
spread pre-wrapped iterator — 20 elements 5,744 ops/sec [5,711..5,779] → 5,593 ops/sec [5,540..5,604] 🔴 -2.6% 9,409 ops/sec [9,372..9,476] → 9,385 ops/sec [9,057..9,505] ~ overlap (-0.3%)
Iterator.from({next}).forEach — 50 elements 2,052 ops/sec [2,030..2,065] → 1,984 ops/sec [1,950..1,993] 🔴 -3.3% 2,844 ops/sec [2,838..2,848] → 2,832 ops/sec [2,800..2,881] ~ overlap (-0.4%)
Iterator.from({next}).reduce — 50 elements 2,094 ops/sec [2,065..2,102] → 2,007 ops/sec [1,980..2,023] 🔴 -4.2% 2,840 ops/sec [2,814..2,901] → 2,806 ops/sec [2,783..2,836] ~ overlap (-1.2%)
wrap array iterator 84,548 ops/sec [84,272..85,073] → 80,708 ops/sec [79,916..80,744] 🔴 -4.5% 87,803 ops/sec [87,317..89,858] → 87,303 ops/sec [85,793..89,896] ~ overlap (-0.6%)
wrap plain {next()} object 4,953 ops/sec [4,938..5,015] → 4,766 ops/sec [4,734..4,770] 🔴 -3.8% 6,698 ops/sec [6,657..6,755] → 6,777 ops/sec [6,647..6,922] ~ overlap (+1.2%)
map + toArray (50 elements) 2,040 ops/sec [2,015..2,086] → 2,042 ops/sec [2,016..2,064] ~ overlap (+0.1%) 2,890 ops/sec [2,876..2,909] → 2,946 ops/sec [2,927..2,963] 🟢 +2.0%
filter + toArray (50 elements) 2,022 ops/sec [1,989..2,045] → 1,921 ops/sec [1,909..1,995] ~ overlap (-5.0%) 2,830 ops/sec [2,807..2,845] → 2,920 ops/sec [2,895..2,925] 🟢 +3.2%
take(10) + toArray (50 element source) 13,298 ops/sec [12,855..13,523] → 12,825 ops/sec [12,691..13,005] ~ overlap (-3.6%) 17,479 ops/sec [17,319..17,582] → 17,610 ops/sec [17,365..17,676] ~ overlap (+0.8%)
drop(40) + toArray (50 element source) 3,148 ops/sec [3,128..3,160] → 3,029 ops/sec [2,976..3,059] 🔴 -3.8% 4,167 ops/sec [4,130..4,184] → 4,421 ops/sec [4,251..4,467] 🟢 +6.1%
chained map + filter + take (100 element source) 3,873 ops/sec [3,788..3,923] → 3,661 ops/sec [3,602..3,687] 🔴 -5.5% 5,096 ops/sec [5,033..5,128] → 5,350 ops/sec [5,246..5,376] 🟢 +5.0%
some + every (50 elements) 1,248 ops/sec [1,233..1,270] → 1,270 ops/sec [1,246..1,278] ~ overlap (+1.8%) 1,677 ops/sec [1,663..1,687] → 1,737 ops/sec [1,723..1,773] 🟢 +3.6%
find (50 elements) 2,659 ops/sec [2,611..2,753] → 2,560 ops/sec [2,509..2,567] 🔴 -3.7% 3,676 ops/sec [3,614..3,737] → 3,557 ops/sec [3,529..3,894] ~ overlap (-3.2%)
concat 2 arrays (10 + 10 elements) 82,426 ops/sec [80,262..82,952] → 77,473 ops/sec [76,429..78,893] 🔴 -6.0% 86,378 ops/sec [85,301..86,944] → 85,909 ops/sec [85,340..86,947] ~ overlap (-0.5%)
concat 5 arrays (10 elements each) 50,298 ops/sec [48,735..51,676] → 47,922 ops/sec [47,501..48,179] 🔴 -4.7% 53,072 ops/sec [52,787..53,755] → 52,210 ops/sec [51,918..52,605] 🔴 -1.6%
concat 2 arrays (20 + 20 elements) 70,825 ops/sec [69,923..71,290] → 70,722 ops/sec [70,242..72,867] ~ overlap (-0.1%) 79,192 ops/sec [78,520..79,862] → 80,276 ops/sec [79,688..80,732] ~ overlap (+1.4%)
concat + filter + toArray (20 + 20 elements) 6,680 ops/sec [6,550..6,852] → 6,638 ops/sec [6,475..6,717] ~ overlap (-0.6%) 9,918 ops/sec [9,733..9,981] → 10,025 ops/sec [9,917..10,147] ~ overlap (+1.1%)
concat + map + take (20 + 20 elements, take 10) 21,409 ops/sec [21,010..22,174] → 20,414 ops/sec [20,311..20,883] 🔴 -4.6% 28,023 ops/sec [27,671..28,138] → 28,991 ops/sec [28,075..29,170] ~ overlap (+3.5%)
concat Sets (15 + 15 elements) 73,757 ops/sec [67,715..74,214] → 73,065 ops/sec [72,151..73,794] ~ overlap (-0.9%) 77,169 ops/sec [75,162..78,624] → 75,819 ops/sec [75,437..76,186] ~ overlap (-1.8%)
concat strings (13 + 13 characters) 55,667 ops/sec [55,096..55,946] → 53,312 ops/sec [52,523..54,634] 🔴 -4.2% 54,524 ops/sec [53,741..54,629] → 53,218 ops/sec [52,704..53,914] ~ overlap (-2.4%)
zip 2 arrays (10 + 10 elements) 31,308 ops/sec [31,109..31,965] → 30,082 ops/sec [29,686..30,268] 🔴 -3.9% 31,757 ops/sec [31,450..32,070] → 31,162 ops/sec [30,736..31,761] ~ overlap (-1.9%)
zip 3 arrays (10 elements each) 29,478 ops/sec [28,186..29,771] → 27,939 ops/sec [27,553..28,344] ~ overlap (-5.2%) 29,911 ops/sec [29,346..30,073] → 28,761 ops/sec [28,174..28,867] 🔴 -3.8%
zip 2 arrays (20 + 20 elements) 21,210 ops/sec [20,989..21,744] → 20,414 ops/sec [19,875..20,696] 🔴 -3.8% 20,889 ops/sec [20,334..21,399] → 21,357 ops/sec [21,174..21,657] ~ overlap (+2.2%)
zip 2 arrays (50 + 50 elements) 10,892 ops/sec [10,537..11,031] → 10,506 ops/sec [10,183..10,579] ~ overlap (-3.5%) 10,859 ops/sec [10,359..10,947] → 10,762 ops/sec [10,703..10,839] ~ overlap (-0.9%)
zip shortest mode (20 + 10 elements) 31,593 ops/sec [31,219..32,173] → 30,646 ops/sec [30,557..30,975] 🔴 -3.0% 32,611 ops/sec [32,395..32,859] → 31,664 ops/sec [31,395..32,206] 🔴 -2.9%
zip longest mode (10 + 20 elements) 18,717 ops/sec [18,330..19,500] → 18,091 ops/sec [17,740..18,521] ~ overlap (-3.3%) 18,975 ops/sec [18,770..19,142] → 18,316 ops/sec [18,059..18,710] 🔴 -3.5%
zip strict mode (20 + 20 elements) 20,589 ops/sec [19,938..20,962] → 19,140 ops/sec [18,576..19,573] 🔴 -7.0% 20,359 ops/sec [20,050..20,915] → 20,231 ops/sec [19,886..20,441] ~ overlap (-0.6%)
zip + map + toArray (20 + 20 elements) 8,422 ops/sec [8,341..8,559] → 8,100 ops/sec [7,751..8,301] 🔴 -3.8% 6,365 ops/sec [6,211..6,430] → 6,259 ops/sec [6,218..6,293] ~ overlap (-1.7%)
zip + filter + toArray (20 + 20 elements) 7,992 ops/sec [7,819..8,155] → 7,688 ops/sec [7,547..7,793] 🔴 -3.8% 6,422 ops/sec [6,300..6,523] → 6,244 ops/sec [6,192..6,299] 🔴 -2.8%
zip Sets (15 + 15 elements) 25,747 ops/sec [25,080..26,147] → 24,448 ops/sec [24,130..24,492] 🔴 -5.0% 25,429 ops/sec [24,952..25,727] → 25,856 ops/sec [24,792..26,079] ~ overlap (+1.7%)
zipKeyed 2 keys (10 elements each) 31,941 ops/sec [31,268..32,710] → 30,866 ops/sec [30,819..31,182] 🔴 -3.4% 31,975 ops/sec [31,325..32,398] → 32,072 ops/sec [31,645..32,458] ~ overlap (+0.3%)
zipKeyed 3 keys (20 elements each) 16,283 ops/sec [16,047..16,359] → 16,393 ops/sec [16,186..16,733] ~ overlap (+0.7%) 15,401 ops/sec [15,245..15,514] → 15,833 ops/sec [15,691..15,939] 🟢 +2.8%
zipKeyed longest mode (10 + 20 elements) 18,637 ops/sec [18,332..19,320] → 17,667 ops/sec [17,431..18,356] ~ overlap (-5.2%) 17,554 ops/sec [17,333..17,752] → 18,457 ops/sec [18,207..18,656] 🟢 +5.1%
zipKeyed strict mode (20 + 20 elements) 19,542 ops/sec [18,972..19,909] → 18,866 ops/sec [18,473..19,101] ~ overlap (-3.5%) 18,706 ops/sec [18,376..18,788] → 20,084 ops/sec [19,021..20,352] 🟢 +7.4%
zipKeyed + filter + map (20 elements) 6,143 ops/sec [6,050..6,199] → 5,980 ops/sec [5,947..6,219] ~ overlap (-2.6%) 7,320 ops/sec [7,288..7,394] → 7,821 ops/sec [7,742..7,834] 🟢 +6.8%
array.values().map().filter().toArray() 3,422 ops/sec [3,239..3,474] → 3,273 ops/sec [3,240..3,386] ~ overlap (-4.4%) 4,692 ops/sec [4,615..4,794] → 4,913 ops/sec [4,854..4,976] 🟢 +4.7%
array.values().take(5).toArray() 111,861 ops/sec [110,971..112,388] → 105,311 ops/sec [104,194..107,436] 🔴 -5.9% 123,968 ops/sec [123,017..124,282] → 134,155 ops/sec [132,676..134,939] 🟢 +8.2%
array.values().drop(45).toArray() 101,748 ops/sec [99,705..103,706] → 99,051 ops/sec [97,325..99,922] ~ overlap (-2.7%) 113,778 ops/sec [112,616..114,201] → 113,345 ops/sec [111,803..114,524] ~ overlap (-0.4%)
map.entries() chained helpers 4,728 ops/sec [4,629..4,795] → 4,551 ops/sec [4,479..4,577] 🔴 -3.7% 3,291 ops/sec [3,258..3,311] → 3,169 ops/sec [3,149..3,303] ~ overlap (-3.7%)
set.values() chained helpers 7,094 ops/sec [6,713..7,125] → 6,916 ops/sec [6,796..6,986] ~ overlap (-2.5%) 10,246 ops/sec [10,151..10,270] → 10,462 ops/sec [10,362..10,516] 🟢 +2.1%
string iterator map + toArray 6,487 ops/sec [6,381..6,507] → 6,257 ops/sec [6,221..6,297] 🔴 -3.5% 7,421 ops/sec [7,278..7,469] → 7,593 ops/sec [7,556..7,652] 🟢 +2.3%
json.js — Interp: 🔴 17, 3 unch. · avg -6.9% · Bytecode: 🟢 2, 🔴 5, 13 unch. · avg -0.4%
Benchmark Interpreted Δ Bytecode Δ
parse simple object 79,977 ops/sec [79,355..80,198] → 73,345 ops/sec [72,925..73,578] 🔴 -8.3% 74,408 ops/sec [73,426..75,324] → 75,289 ops/sec [74,921..75,602] ~ overlap (+1.2%)
parse nested object 54,787 ops/sec [54,339..55,228] → 49,771 ops/sec [49,478..50,205] 🔴 -9.2% 50,011 ops/sec [49,707..50,449] → 50,113 ops/sec [49,877..50,312] ~ overlap (+0.2%)
parse array of objects 32,134 ops/sec [31,551..32,422] → 29,940 ops/sec [29,715..30,055] 🔴 -6.8% 28,601 ops/sec [28,453..28,996] → 28,647 ops/sec [20,483..28,870] ~ overlap (+0.2%)
parse large flat object 34,072 ops/sec [32,989..34,988] → 32,391 ops/sec [30,843..33,394] ~ overlap (-4.9%) 31,368 ops/sec [30,858..31,889] → 31,375 ops/sec [31,133..31,553] ~ overlap (+0.0%)
parse mixed types 39,696 ops/sec [38,960..40,081] → 36,616 ops/sec [35,335..38,075] 🔴 -7.8% 35,587 ops/sec [35,211..36,215] → 35,744 ops/sec [35,656..35,894] ~ overlap (+0.4%)
stringify simple object 86,680 ops/sec [86,102..88,035] → 79,359 ops/sec [78,219..81,112] 🔴 -8.4% 81,540 ops/sec [81,430..81,846] → 77,792 ops/sec [77,545..77,995] 🔴 -4.6%
stringify nested object 50,326 ops/sec [49,809..51,335] → 46,647 ops/sec [46,167..47,789] 🔴 -7.3% 44,539 ops/sec [44,020..45,108] → 42,871 ops/sec [41,161..43,218] 🔴 -3.7%
stringify array of objects 21,040 ops/sec [20,682..21,243] → 19,027 ops/sec [18,844..19,567] 🔴 -9.6% 20,021 ops/sec [19,956..20,328] → 19,592 ops/sec [18,739..19,769] 🔴 -2.1%
stringify mixed types 38,253 ops/sec [37,549..38,812] → 34,783 ops/sec [34,617..35,317] 🔴 -9.1% 33,636 ops/sec [33,351..34,080] → 32,730 ops/sec [32,356..32,898] 🔴 -2.7%
reviver doubles numbers 16,882 ops/sec [16,534..17,126] → 16,051 ops/sec [15,829..16,094] 🔴 -4.9% 18,816 ops/sec [18,283..18,921] → 17,797 ops/sec [17,664..17,947] 🔴 -5.4%
reviver filters properties 16,019 ops/sec [15,717..16,203] → 15,191 ops/sec [14,713..15,424] 🔴 -5.2% 15,708 ops/sec [15,531..15,807] → 15,670 ops/sec [15,509..15,727] ~ overlap (-0.2%)
reviver on nested object 19,949 ops/sec [19,809..20,123] → 18,667 ops/sec [17,867..18,969] 🔴 -6.4% 19,427 ops/sec [19,333..19,531] → 19,266 ops/sec [19,004..19,601] ~ overlap (-0.8%)
reviver on array 10,518 ops/sec [10,250..10,612] → 9,956 ops/sec [9,838..10,066] 🔴 -5.3% 11,118 ops/sec [10,874..11,337] → 10,816 ops/sec [10,692..10,986] ~ overlap (-2.7%)
replacer function doubles numbers 20,278 ops/sec [19,452..20,850] → 19,176 ops/sec [18,967..19,415] 🔴 -5.4% 21,991 ops/sec [21,724..22,365] → 21,846 ops/sec [21,582..21,994] ~ overlap (-0.7%)
replacer function excludes properties 27,035 ops/sec [26,632..27,363] → 25,519 ops/sec [25,306..25,782] 🔴 -5.6% 26,264 ops/sec [26,109..26,285] → 26,294 ops/sec [25,971..26,473] ~ overlap (+0.1%)
array replacer (allowlist) 53,795 ops/sec [51,743..54,900] → 50,662 ops/sec [49,660..51,879] ~ overlap (-5.8%) 46,718 ops/sec [46,244..47,541] → 47,009 ops/sec [45,992..47,182] ~ overlap (+0.6%)
stringify with 2-space indent 42,778 ops/sec [42,535..44,362] → 40,928 ops/sec [39,982..41,422] 🔴 -4.3% 39,346 ops/sec [38,907..39,718] → 40,065 ops/sec [39,527..40,279] ~ overlap (+1.8%)
stringify with tab indent 43,202 ops/sec [42,865..43,509] → 40,347 ops/sec [39,700..40,913] 🔴 -6.6% 37,890 ops/sec [37,814..38,174] → 38,914 ops/sec [38,346..39,143] 🟢 +2.7%
parse then stringify 26,186 ops/sec [24,459..26,424] → 24,131 ops/sec [23,655..24,625] ~ overlap (-7.8%) 23,694 ops/sec [23,348..24,221] → 24,236 ops/sec [24,132..24,790] ~ overlap (+2.3%)
stringify then parse 15,264 ops/sec [14,985..15,467] → 13,901 ops/sec [13,677..14,285] 🔴 -8.9% 13,548 ops/sec [13,384..13,719] → 14,231 ops/sec [13,880..14,485] 🟢 +5.0%
jsx.jsx — Interp: 🔴 9, 12 unch. · avg -3.7% · Bytecode: 🟢 1, 🔴 5, 15 unch. · avg -1.0%
Benchmark Interpreted Δ Bytecode Δ
simple element 109,060 ops/sec [108,082..109,939] → 100,348 ops/sec [99,390..101,474] 🔴 -8.0% 147,023 ops/sec [144,450..148,246] → 148,443 ops/sec [145,748..151,277] ~ overlap (+1.0%)
self-closing element 107,450 ops/sec [105,373..108,503] → 102,430 ops/sec [101,848..103,605] 🔴 -4.7% 163,000 ops/sec [161,339..164,507] → 165,658 ops/sec [165,271..166,342] 🟢 +1.6%
element with string attribute 89,720 ops/sec [84,741..90,755] → 85,949 ops/sec [85,315..86,778] ~ overlap (-4.2%) 118,162 ops/sec [116,705..120,231] → 117,327 ops/sec [115,816..118,200] ~ overlap (-0.7%)
element with multiple attributes 78,833 ops/sec [73,539..79,536] → 76,914 ops/sec [74,891..77,868] ~ overlap (-2.4%) 90,516 ops/sec [89,275..91,113] → 90,397 ops/sec [87,634..90,706] ~ overlap (-0.1%)
element with expression attribute 88,266 ops/sec [86,514..91,182] → 88,058 ops/sec [86,328..88,747] ~ overlap (-0.2%) 119,679 ops/sec [117,956..120,924] → 119,785 ops/sec [118,875..124,434] ~ overlap (+0.1%)
text child 108,072 ops/sec [106,497..108,476] → 104,829 ops/sec [103,532..105,212] 🔴 -3.0% 151,023 ops/sec [149,867..152,997] → 145,223 ops/sec [144,385..146,046] 🔴 -3.8%
expression child 105,141 ops/sec [104,242..106,511] → 97,837 ops/sec [94,376..99,029] 🔴 -6.9% 146,161 ops/sec [144,791..149,885] → 146,541 ops/sec [139,873..147,408] ~ overlap (+0.3%)
mixed text and expression 102,445 ops/sec [98,838..103,352] → 92,680 ops/sec [91,616..93,806] 🔴 -9.5% 126,842 ops/sec [124,795..128,410] → 119,849 ops/sec [116,835..122,864] 🔴 -5.5%
nested elements (3 levels) 43,666 ops/sec [39,344..44,556] → 37,729 ops/sec [36,969..38,853] 🔴 -13.6% 56,585 ops/sec [56,120..57,814] → 54,812 ops/sec [54,341..55,070] 🔴 -3.1%
sibling children 29,010 ops/sec [28,742..30,058] → 28,452 ops/sec [27,894..29,082] ~ overlap (-1.9%) 41,229 ops/sec [39,475..41,939] → 40,797 ops/sec [40,563..41,173] ~ overlap (-1.0%)
component element 76,801 ops/sec [75,643..78,163] → 75,211 ops/sec [73,814..76,344] ~ overlap (-2.1%) 107,623 ops/sec [104,280..109,577] → 107,310 ops/sec [106,367..108,432] ~ overlap (-0.3%)
component with children 46,144 ops/sec [44,568..46,993] → 44,762 ops/sec [43,716..45,266] ~ overlap (-3.0%) 64,675 ops/sec [63,657..65,497] → 65,175 ops/sec [63,069..65,944] ~ overlap (+0.8%)
dotted component 65,554 ops/sec [64,183..65,851] → 62,924 ops/sec [62,537..63,957] 🔴 -4.0% 82,877 ops/sec [82,122..83,982] → 83,464 ops/sec [81,744..84,406] ~ overlap (+0.7%)
empty fragment 107,167 ops/sec [105,626..107,886] → 102,632 ops/sec [100,985..103,205] 🔴 -4.2% 180,977 ops/sec [178,117..184,500] → 181,265 ops/sec [180,097..185,576] ~ overlap (+0.2%)
fragment with children 29,187 ops/sec [28,967..29,546] → 28,831 ops/sec [27,764..28,980] ~ overlap (-1.2%) 41,152 ops/sec [40,731..42,278] → 40,695 ops/sec [39,943..41,865] ~ overlap (-1.1%)
spread attributes 56,043 ops/sec [55,619..56,917] → 55,478 ops/sec [54,435..56,826] ~ overlap (-1.0%) 63,219 ops/sec [62,852..63,418] → 59,444 ops/sec [58,558..60,634] 🔴 -6.0%
spread with overrides 50,587 ops/sec [47,953..51,849] → 49,501 ops/sec [49,042..50,392] ~ overlap (-2.1%) 55,482 ops/sec [54,505..55,965] → 52,900 ops/sec [52,426..53,912] 🔴 -4.7%
shorthand props 80,784 ops/sec [79,450..81,667] → 80,149 ops/sec [79,542..80,613] ~ overlap (-0.8%) 109,671 ops/sec [109,060..110,872] → 109,129 ops/sec [107,609..110,169] ~ overlap (-0.5%)
nav bar structure 14,028 ops/sec [13,607..14,387] → 13,876 ops/sec [13,792..14,091] ~ overlap (-1.1%) 19,192 ops/sec [18,937..19,331] → 19,078 ops/sec [18,879..19,309] ~ overlap (-0.6%)
card component tree 16,668 ops/sec [16,535..16,942] → 16,441 ops/sec [16,348..16,568] ~ overlap (-1.4%) 21,392 ops/sec [21,273..21,618] → 21,455 ops/sec [21,268..21,517] ~ overlap (+0.3%)
10 list items via Array.from 7,546 ops/sec [7,485..7,675] → 7,343 ops/sec [7,315..7,360] 🔴 -2.7% 9,347 ops/sec [9,290..9,408] → 9,464 ops/sec [9,328..9,500] ~ overlap (+1.2%)
modules.js — Interp: 🔴 4, 5 unch. · avg -4.0% · Bytecode: 🟢 1, 🔴 2, 6 unch. · avg +0.1%
Benchmark Interpreted Δ Bytecode Δ
call imported function 183,635 ops/sec [178,653..187,707] → 177,557 ops/sec [173,368..178,062] 🔴 -3.3% 708,013 ops/sec [702,427..715,734] → 706,720 ops/sec [698,277..713,663] ~ overlap (-0.2%)
call two imported functions 104,975 ops/sec [102,898..107,006] → 99,304 ops/sec [96,859..100,600] 🔴 -5.4% 445,673 ops/sec [445,104..449,872] → 447,438 ops/sec [440,378..448,833] ~ overlap (+0.4%)
read imported constant 585,539 ops/sec [567,510..614,325] → 575,469 ops/sec [560,887..586,372] ~ overlap (-1.7%) 1,900,895 ops/sec [1,885,939..1,914,187] → 1,910,579 ops/sec [1,885,932..1,917,179] ~ overlap (+0.5%)
read imported string 587,900 ops/sec [567,520..608,008] → 572,931 ops/sec [556,015..580,322] ~ overlap (-2.5%) 1,900,583 ops/sec [1,892,126..1,916,477] → 1,932,665 ops/sec [1,902,344..1,952,878] ~ overlap (+1.7%)
read JSON string property 618,477 ops/sec [607,612..621,975] → 568,843 ops/sec [556,875..591,653] 🔴 -8.0% 1,902,549 ops/sec [1,866,633..1,919,995] → 1,956,432 ops/sec [1,934,382..1,969,556] 🟢 +2.8%
read JSON number property 603,150 ops/sec [575,976..629,909] → 566,975 ops/sec [553,105..582,577] ~ overlap (-6.0%) 1,891,425 ops/sec [1,883,581..1,894,522] → 1,910,217 ops/sec [1,871,088..1,952,881] ~ overlap (+1.0%)
read JSON boolean property 597,995 ops/sec [588,765..633,275] → 578,049 ops/sec [562,511..587,953] 🔴 -3.3% 1,922,447 ops/sec [1,909,198..1,925,410] → 1,869,462 ops/sec [1,789,727..1,878,307] 🔴 -2.8%
read JSON array property 604,607 ops/sec [586,235..611,439] → 583,140 ops/sec [580,736..588,681] ~ overlap (-3.6%) 1,928,555 ops/sec [1,923,664..1,930,395] → 1,857,645 ops/sec [1,833,989..1,889,339] 🔴 -3.7%
read multiple JSON properties 371,925 ops/sec [356,101..377,044] → 365,083 ops/sec [359,278..371,290] ~ overlap (-1.8%) 1,510,262 ops/sec [1,506,171..1,514,754] → 1,528,314 ops/sec [1,507,514..1,532,182] ~ overlap (+1.2%)
numbers.js — Interp: 🔴 11 · avg -8.5% · Bytecode: 🟢 4, 🔴 1, 6 unch. · avg +2.0%
Benchmark Interpreted Δ Bytecode Δ
integer arithmetic 215,229 ops/sec [211,342..218,712] → 200,700 ops/sec [199,824..202,353] 🔴 -6.8% 672,745 ops/sec [661,907..674,152] → 683,104 ops/sec [662,174..685,193] ~ overlap (+1.5%)
floating point arithmetic 257,475 ops/sec [252,651..258,692] → 231,156 ops/sec [225,358..235,782] 🔴 -10.2% 376,019 ops/sec [375,353..378,032] → 416,904 ops/sec [411,969..418,087] 🟢 +10.9%
number coercion 83,913 ops/sec [82,253..87,927] → 77,487 ops/sec [75,576..80,108] 🔴 -7.7% 95,768 ops/sec [95,150..96,050] → 96,053 ops/sec [95,489..96,167] ~ overlap (+0.3%)
toFixed 56,984 ops/sec [56,022..57,778] → 51,559 ops/sec [49,787..53,004] 🔴 -9.5% 56,569 ops/sec [56,014..56,985] → 57,213 ops/sec [56,612..58,022] ~ overlap (+1.1%)
toString 79,152 ops/sec [75,968..80,057] → 72,937 ops/sec [71,870..74,768] 🔴 -7.9% 86,197 ops/sec [84,615..86,712] → 88,925 ops/sec [88,746..89,211] 🟢 +3.2%
valueOf 113,024 ops/sec [109,651..116,932] → 102,035 ops/sec [100,530..103,811] 🔴 -9.7% 121,976 ops/sec [121,577..124,166] → 124,442 ops/sec [120,863..125,091] ~ overlap (+2.0%)
toPrecision 74,137 ops/sec [72,499..75,374] → 70,511 ops/sec [67,457..70,956] 🔴 -4.9% 77,363 ops/sec [76,046..78,092] → 77,461 ops/sec [76,256..77,856] ~ overlap (+0.1%)
Number.isNaN 143,499 ops/sec [137,415..148,200] → 132,149 ops/sec [129,934..133,430] 🔴 -7.9% 125,927 ops/sec [124,202..128,797] → 130,395 ops/sec [130,220..131,729] 🟢 +3.5%
Number.isFinite 141,385 ops/sec [138,325..142,566] → 128,888 ops/sec [126,310..131,046] 🔴 -8.8% 128,245 ops/sec [125,998..128,794] → 123,325 ops/sec [122,026..124,631] 🔴 -3.8%
Number.isInteger 145,712 ops/sec [140,743..154,801] → 133,710 ops/sec [131,810..135,354] 🔴 -8.2% 138,468 ops/sec [138,318..138,687] → 140,302 ops/sec [139,653..140,418] 🟢 +1.3%
Number.parseInt and parseFloat 117,744 ops/sec [113,260..122,085] → 104,010 ops/sec [102,805..105,266] 🔴 -11.7% 102,277 ops/sec [96,692..104,572] → 104,669 ops/sec [103,510..104,981] ~ overlap (+2.3%)
objects.js — Interp: 7 unch. · avg +0.5% · Bytecode: 🟢 1, 🔴 1, 5 unch. · avg -0.9%
Benchmark Interpreted Δ Bytecode Δ
create simple object 226,763 ops/sec [224,710..229,725] → 233,579 ops/sec [227,885..242,149] ~ overlap (+3.0%) 250,358 ops/sec [245,741..251,396] → 256,382 ops/sec [249,051..258,895] ~ overlap (+2.4%)
create nested object 119,982 ops/sec [117,867..121,417] → 122,302 ops/sec [119,700..123,145] ~ overlap (+1.9%) 110,380 ops/sec [108,836..111,419] → 110,961 ops/sec [109,453..111,891] ~ overlap (+0.5%)
create 50 objects via Array.from 4,303 ops/sec [4,283..4,314] → 4,332 ops/sec [4,294..4,410] ~ overlap (+0.7%) 4,453 ops/sec [4,426..4,485] → 4,443 ops/sec [4,385..4,469] ~ overlap (-0.2%)
property read 226,424 ops/sec [225,776..227,436] → 223,694 ops/sec [221,761..228,068] ~ overlap (-1.2%) 300,486 ops/sec [299,225..300,763] → 304,427 ops/sec [303,300..305,156] 🟢 +1.3%
Object.keys 131,483 ops/sec [129,982..133,239] → 130,724 ops/sec [130,014..133,644] ~ overlap (-0.6%) 140,889 ops/sec [140,045..141,678] → 140,431 ops/sec [139,856..142,581] ~ overlap (-0.3%)
Object.entries 50,791 ops/sec [48,976..51,295] → 50,731 ops/sec [50,018..51,124] ~ overlap (-0.1%) 56,587 ops/sec [56,019..57,445] → 52,752 ops/sec [52,590..53,287] 🔴 -6.8%
spread operator 95,113 ops/sec [93,832..96,046] → 94,609 ops/sec [94,021..95,822] ~ overlap (-0.5%) 101,387 ops/sec [97,801..102,973] → 98,414 ops/sec [97,857..100,000] ~ overlap (-2.9%)
promises.js — Interp: 🔴 12 · avg -6.8% · Bytecode: 🔴 1, 11 unch. · avg -0.3%
Benchmark Interpreted Δ Bytecode Δ
Promise.resolve(value) 233,495 ops/sec [227,082..240,696] → 217,866 ops/sec [211,151..223,493] 🔴 -6.7% 258,246 ops/sec [252,317..260,234] → 253,912 ops/sec [252,437..259,627] ~ overlap (-1.7%)
new Promise(resolve => resolve(value)) 91,402 ops/sec [88,242..92,951] → 84,248 ops/sec [83,276..85,756] 🔴 -7.8% 109,177 ops/sec [107,590..112,437] → 109,018 ops/sec [108,321..109,510] ~ overlap (-0.1%)
Promise.reject(reason) 239,325 ops/sec [237,155..240,912] → 223,432 ops/sec [220,072..225,764] 🔴 -6.6% 239,838 ops/sec [236,976..244,206] → 240,760 ops/sec [231,363..244,548] ~ overlap (+0.4%)
resolve + then (1 handler) 86,668 ops/sec [85,530..86,853] → 80,971 ops/sec [79,063..81,247] 🔴 -6.6% 99,868 ops/sec [99,202..103,124] → 100,153 ops/sec [98,482..101,881] ~ overlap (+0.3%)
resolve + then chain (3 deep) 34,717 ops/sec [34,221..35,056] → 32,624 ops/sec [32,075..33,019] 🔴 -6.0% 41,337 ops/sec [40,262..42,089] → 39,733 ops/sec [39,663..41,433] ~ overlap (-3.9%)
resolve + then chain (10 deep) 11,430 ops/sec [11,397..11,520] → 10,752 ops/sec [10,669..10,917] 🔴 -5.9% 13,402 ops/sec [13,249..13,546] → 13,360 ops/sec [13,238..13,516] ~ overlap (-0.3%)
reject + catch + then 49,554 ops/sec [49,225..49,765] → 46,545 ops/sec [46,438..47,074] 🔴 -6.1% 55,401 ops/sec [55,137..55,478] → 55,126 ops/sec [54,270..55,525] ~ overlap (-0.5%)
resolve + finally + then 43,171 ops/sec [42,074..44,228] → 40,852 ops/sec [40,044..41,495] 🔴 -5.4% 48,144 ops/sec [47,434..48,538] → 46,723 ops/sec [46,309..47,005] 🔴 -3.0%
Promise.all (5 resolved) 17,435 ops/sec [17,297..18,119] → 16,175 ops/sec [15,837..16,485] 🔴 -7.2% 16,282 ops/sec [16,213..16,314] → 16,488 ops/sec [16,286..16,586] ~ overlap (+1.3%)
Promise.race (5 resolved) 18,552 ops/sec [18,375..18,701] → 17,088 ops/sec [16,946..17,478] 🔴 -7.9% 17,372 ops/sec [17,348..17,463] → 17,474 ops/sec [17,069..17,653] ~ overlap (+0.6%)
Promise.allSettled (5 mixed) 14,908 ops/sec [14,344..14,967] → 13,872 ops/sec [13,759..14,125] 🔴 -6.9% 13,877 ops/sec [13,559..13,942] → 14,094 ops/sec [13,727..14,187] ~ overlap (+1.6%)
Promise.any (5 mixed) 17,583 ops/sec [17,328..17,653] → 16,114 ops/sec [15,871..16,712] 🔴 -8.4% 16,256 ops/sec [15,909..16,535] → 16,486 ops/sec [16,055..16,577] ~ overlap (+1.4%)
regexp.js — Interp: 🔴 9, 2 unch. · avg -4.7% · Bytecode: 🟢 2, 9 unch. · avg +0.7%
Benchmark Interpreted Δ Bytecode Δ
regex literal creation 74,313 ops/sec [73,563..74,645] → 71,864 ops/sec [71,403..72,320] 🔴 -3.3% 63,485 ops/sec [60,555..64,371] → 65,092 ops/sec [64,652..65,312] 🟢 +2.5%
new RegExp(pattern, flags) 64,731 ops/sec [63,816..65,145] → 63,471 ops/sec [62,948..64,028] ~ overlap (-1.9%) 61,750 ops/sec [59,509..63,392] → 63,064 ops/sec [62,824..63,283] ~ overlap (+2.1%)
RegExp(existingRegex) returns the same regex 297,735 ops/sec [293,440..303,135] → 276,585 ops/sec [274,007..281,035] 🔴 -7.1% 421,448 ops/sec [398,268..429,520] → 410,859 ops/sec [409,469..414,746] ~ overlap (-2.5%)
test() on a global regex 72,633 ops/sec [72,066..73,422] → 69,886 ops/sec [69,489..70,819] 🔴 -3.8% 76,625 ops/sec [76,509..77,867] → 78,088 ops/sec [76,968..78,482] ~ overlap (+1.9%)
exec() with capture groups 63,170 ops/sec [62,400..63,670] → 59,304 ops/sec [58,582..59,882] 🔴 -6.1% 65,029 ops/sec [64,808..65,319] → 66,827 ops/sec [66,542..67,501] 🟢 +2.8%
toString() 209,011 ops/sec [208,561..214,746] → 204,499 ops/sec [202,913..206,884] 🔴 -2.2% 296,565 ops/sec [287,841..298,540] → 298,728 ops/sec [295,348..301,096] ~ overlap (+0.7%)
match() with global regex 20,938 ops/sec [20,623..21,097] → 20,362 ops/sec [20,275..20,690] ~ overlap (-2.8%) 19,532 ops/sec [19,365..19,889] → 19,416 ops/sec [19,297..19,609] ~ overlap (-0.6%)
matchAll() with capture groups 11,259 ops/sec [11,086..11,315] → 10,583 ops/sec [10,265..10,652] 🔴 -6.0% 12,145 ops/sec [11,855..12,514] → 12,268 ops/sec [12,180..12,285] ~ overlap (+1.0%)
replace() with global regex 20,553 ops/sec [19,971..20,725] → 19,607 ops/sec [19,476..19,634] 🔴 -4.6% 18,875 ops/sec [18,553..18,887] → 18,813 ops/sec [18,804..18,845] ~ overlap (-0.3%)
search() with regex 43,684 ops/sec [43,091..44,583] → 40,633 ops/sec [40,308..41,525] 🔴 -7.0% 37,751 ops/sec [37,468..38,194] → 38,048 ops/sec [37,893..38,458] ~ overlap (+0.8%)
split() with regex separator 21,560 ops/sec [21,448..21,702] → 20,170 ops/sec [19,941..20,772] 🔴 -6.5% 19,847 ops/sec [19,806..19,943] → 19,760 ops/sec [19,579..19,918] ~ overlap (-0.4%)
strings.js — Interp: 🟢 4, 🔴 7, 8 unch. · avg +6.8% · Bytecode: 🟢 3, 🔴 8, 8 unch. · avg -10.7%
Benchmark Interpreted Δ Bytecode Δ
string concatenation 188,022 ops/sec [180,346..191,375] → 173,934 ops/sec [172,368..175,725] 🔴 -7.5% 109,002 ops/sec [108,292..109,891] → 110,685 ops/sec [109,985..111,142] 🟢 +1.5%
template literal 344,237 ops/sec [332,289..355,939] → 330,392 ops/sec [329,008..330,935] 🔴 -4.0% 194,568 ops/sec [191,764..195,762] → 193,621 ops/sec [191,385..193,915] ~ overlap (-0.5%)
string repeat 197,509 ops/sec [195,577..200,670] → 187,279 ops/sec [186,444..187,623] 🔴 -5.2% 210,241 ops/sec [202,441..213,495] → 208,707 ops/sec [206,347..215,822] ~ overlap (-0.7%)
split and join 74,188 ops/sec [73,464..76,823] → 68,349 ops/sec [67,579..69,321] 🔴 -7.9% 71,327 ops/sec [70,641..71,884] → 70,183 ops/sec [68,717..72,394] ~ overlap (-1.6%)
indexOf and includes 84,357 ops/sec [82,185..86,269] → 80,684 ops/sec [78,794..82,642] ~ overlap (-4.4%) 82,210 ops/sec [80,387..83,326] → 82,708 ops/sec [80,348..84,112] ~ overlap (+0.6%)
toUpperCase and toLowerCase 125,039 ops/sec [122,569..129,479] → 121,334 ops/sec [120,461..122,086] 🔴 -3.0% 144,959 ops/sec [142,664..145,937] → 148,000 ops/sec [147,437..149,170] 🟢 +2.1%
slice and substring 78,154 ops/sec [73,803..80,230] → 75,305 ops/sec [74,902..75,858] ~ overlap (-3.6%) 89,235 ops/sec [88,557..90,326] → 89,835 ops/sec [88,733..90,541] ~ overlap (+0.7%)
trim operations 93,392 ops/sec [91,252..95,693] → 92,841 ops/sec [91,133..93,010] ~ overlap (-0.6%) 111,644 ops/sec [110,963..112,210] → 108,865 ops/sec [106,460..110,627] 🔴 -2.5%
replace and replaceAll 104,829 ops/sec [101,384..105,289] → 104,376 ops/sec [102,122..104,953] ~ overlap (-0.4%) 102,311 ops/sec [101,378..103,087] → 99,341 ops/sec [96,671..102,966] ~ overlap (-2.9%)
startsWith and endsWith 68,838 ops/sec [67,387..69,662] → 66,825 ops/sec [66,204..67,958] ~ overlap (-2.9%) 69,416 ops/sec [68,268..70,006] → 66,098 ops/sec [64,636..66,721] 🔴 -4.8%
padStart and padEnd 102,853 ops/sec [90,740..103,919] → 98,170 ops/sec [97,360..98,372] ~ overlap (-4.6%) 107,167 ops/sec [106,675..107,774] → 103,771 ops/sec [102,955..104,019] 🔴 -3.2%
identity tag, no substitutions 198,976 ops/sec [194,758..202,622] → 196,550 ops/sec [192,673..299,673] ~ overlap (-1.2%) 585,026 ops/sec [579,062..597,261] → 573,555 ops/sec [569,614..576,555] 🔴 -2.0%
tag with 1 substitution 44,213 ops/sec [43,949..45,064] → 62,845 ops/sec [62,571..63,205] 🟢 +42.1% 55,592 ops/sec [54,869..55,891] → 53,019 ops/sec [52,567..53,865] 🔴 -4.6%
tag with 3 substitutions 24,531 ops/sec [23,629..24,848] → 35,523 ops/sec [35,376..35,776] 🟢 +44.8% 29,414 ops/sec [29,140..29,673] → 31,037 ops/sec [30,598..31,205] 🟢 +5.5%
tag with 6 substitutions 14,663 ops/sec [14,521..14,793] → 21,439 ops/sec [21,305..21,535] 🟢 +46.2% 28,739 ops/sec [18,002..29,212] → 18,104 ops/sec [17,746..18,269] ~ overlap (-37.0%)
String.raw, no substitutions 266,662 ops/sec [266,006..267,147] → 400,901 ops/sec [399,894..401,498] 🟢 +50.3% 423,289 ops/sec [419,843..423,530] → 260,329 ops/sec [251,216..264,630] 🔴 -38.5%
String.raw, 2 substitutions 193,951 ops/sec [190,385..198,921] → 190,104 ops/sec [185,354..306,691] ~ overlap (-2.0%) 307,270 ops/sec [304,615..308,502] → 183,369 ops/sec [181,535..184,868] 🔴 -40.3%
tag accessing .raw array 81,017 ops/sec [80,648..82,515] → 78,827 ops/sec [78,257..79,256] 🔴 -2.7% 148,761 ops/sec [93,679..155,116] → 94,933 ops/sec [92,024..96,510] ~ overlap (-36.2%)
method as tag (this binding) 32,366 ops/sec [31,974..32,708] → 30,762 ops/sec [30,731..30,810] 🔴 -5.0% 64,847 ops/sec [63,939..65,361] → 39,518 ops/sec [39,033..40,117] 🔴 -39.1%
tsv.js — Interp: 🔴 5, 4 unch. · avg -5.5% · Bytecode: 9 unch. · avg -0.2%
Benchmark Interpreted Δ Bytecode Δ
parse simple 3-column TSV 49,132 ops/sec [45,052..49,287] → 47,917 ops/sec [47,251..47,969] ~ overlap (-2.5%) 49,592 ops/sec [49,289..50,541] → 49,648 ops/sec [49,059..50,035] ~ overlap (+0.1%)
parse 10-row TSV 14,308 ops/sec [13,967..14,620] → 12,712 ops/sec [12,672..13,261] 🔴 -11.2% 12,870 ops/sec [12,262..13,415] → 13,221 ops/sec [13,159..13,285] ~ overlap (+2.7%)
parse 100-row TSV 2,125 ops/sec [2,076..2,138] → 2,091 ops/sec [2,055..2,124] ~ overlap (-1.6%) 2,119 ops/sec [2,110..2,124] → 2,120 ops/sec [2,078..2,158] ~ overlap (+0.0%)
parse TSV with backslash-escaped fields 9,937 ops/sec [9,625..10,014] → 9,758 ops/sec [9,683..9,770] ~ overlap (-1.8%) 9,968 ops/sec [9,750..10,018] → 9,717 ops/sec [9,667..9,779] ~ overlap (-2.5%)
parse without headers (array of arrays) 5,638 ops/sec [5,525..5,759] → 5,809 ops/sec [5,714..5,844] ~ overlap (+3.0%) 5,827 ops/sec [5,754..5,914] → 5,794 ops/sec [5,769..5,805] ~ overlap (-0.6%)
stringify array of objects 45,323 ops/sec [44,760..46,963] → 40,620 ops/sec [39,452..41,502] 🔴 -10.4% 43,385 ops/sec [40,568..43,574] → 42,563 ops/sec [42,049..43,012] ~ overlap (-1.9%)
stringify array of arrays 12,907 ops/sec [11,993..13,588] → 11,527 ops/sec [11,229..11,609] 🔴 -10.7% 11,921 ops/sec [11,909..11,932] → 11,853 ops/sec [11,726..11,992] ~ overlap (-0.6%)
stringify with values needing escaping 35,822 ops/sec [35,340..37,138] → 31,977 ops/sec [31,086..32,921] 🔴 -10.7% 33,739 ops/sec [32,733..34,566] → 34,190 ops/sec [34,043..34,349] ~ overlap (+1.3%)
parse then stringify 7,493 ops/sec [7,400..7,699] → 7,202 ops/sec [7,130..7,266] 🔴 -3.9% 7,548 ops/sec [7,517..7,763] → 7,529 ops/sec [7,364..7,606] ~ overlap (-0.3%)
typed-arrays.js — Interp: 🟢 2, 🔴 16, 4 unch. · avg -5.1% · Bytecode: 🟢 4, 🔴 11, 7 unch. · avg -0.5%
Benchmark Interpreted Δ Bytecode Δ
new Int32Array(0) 259,663 ops/sec [257,574..261,350] → 242,028 ops/sec [241,635..242,200] 🔴 -6.8% 295,712 ops/sec [295,374..296,571] → 283,886 ops/sec [281,612..285,279] 🔴 -4.0%
new Int32Array(100) 242,633 ops/sec [239,473..243,540] → 225,695 ops/sec [224,984..227,655] 🔴 -7.0% 268,640 ops/sec [268,202..269,042] → 260,972 ops/sec [260,234..261,891] 🔴 -2.9%
new Int32Array(1000) 145,900 ops/sec [145,225..146,934] → 152,651 ops/sec [151,520..153,781] 🟢 +4.6% 171,087 ops/sec [168,427..172,189] → 165,406 ops/sec [164,410..166,341] 🔴 -3.3%
new Float64Array(100) 221,512 ops/sec [219,097..222,502] → 214,464 ops/sec [214,314..215,601] 🔴 -3.2% 251,593 ops/sec [248,683..252,176] → 242,724 ops/sec [242,357..244,623] 🔴 -3.5%
Int32Array.from([...]) 150,988 ops/sec [149,856..151,859] → 149,989 ops/sec [149,293..150,439] ~ overlap (-0.7%) 164,997 ops/sec [163,892..165,908] → 165,775 ops/sec [165,343..166,622] ~ overlap (+0.5%)
Int32Array.of(1, 2, 3, 4, 5) 240,062 ops/sec [236,721..242,511] → 225,065 ops/sec [223,478..226,550] 🔴 -6.2% 267,550 ops/sec [266,827..268,219] → 272,512 ops/sec [271,277..272,728] 🟢 +1.9%
sequential write 100 elements 3,149 ops/sec [3,126..3,156] → 2,981 ops/sec [2,968..2,996] 🔴 -5.3% 9,404 ops/sec [9,342..9,423] → 9,342 ops/sec [9,304..9,364] ~ overlap (-0.7%)
sequential read 100 elements 3,165 ops/sec [3,129..3,191] → 3,015 ops/sec [3,007..3,035] 🔴 -4.7% 9,293 ops/sec [9,202..9,384] → 9,082 ops/sec [9,035..9,164] 🔴 -2.3%
Float64Array write 100 elements 2,903 ops/sec [2,885..2,907] → 2,720 ops/sec [2,709..2,751] 🔴 -6.3% 5,584 ops/sec [5,537..5,660] → 6,316 ops/sec [6,192..6,407] 🟢 +13.1%
fill(42) 46,610 ops/sec [46,502..46,729] → 44,280 ops/sec [44,188..44,465] 🔴 -5.0% 45,589 ops/sec [45,429..45,687] → 44,898 ops/sec [44,126..45,161] 🔴 -1.5%
slice() 165,267 ops/sec [163,908..166,789] → 167,377 ops/sec [166,633..168,295] ~ overlap (+1.3%) 196,128 ops/sec [195,060..198,064] → 196,861 ops/sec [196,021..198,205] ~ overlap (+0.4%)
map(x => x * 2) 5,432 ops/sec [5,392..5,469] → 4,716 ops/sec [4,690..4,720] 🔴 -13.2% 7,379 ops/sec [7,285..7,503] → 7,180 ops/sec [7,137..7,209] 🔴 -2.7%
filter(x => x > 50) 5,682 ops/sec [5,615..5,733] → 5,034 ops/sec [5,027..5,050] 🔴 -11.4% 8,209 ops/sec [8,088..8,306] → 8,046 ops/sec [8,029..8,087] 🔴 -2.0%
reduce (sum) 5,452 ops/sec [5,417..5,493] → 4,909 ops/sec [4,874..4,925] 🔴 -10.0% 6,934 ops/sec [6,835..6,974] → 6,808 ops/sec [6,770..6,844] ~ overlap (-1.8%)
sort() 143,155 ops/sec [132,440..144,026] → 147,562 ops/sec [147,351..147,569] 🟢 +3.1% 170,422 ops/sec [157,660..171,059] → 171,674 ops/sec [171,500..171,834] 🟢 +0.7%
indexOf() 335,117 ops/sec [333,164..338,763] → 313,473 ops/sec [310,939..315,729] 🔴 -6.5% 412,684 ops/sec [411,284..413,497] → 411,244 ops/sec [409,049..413,825] ~ overlap (-0.3%)
reverse() 258,820 ops/sec [257,725..259,779] → 258,087 ops/sec [255,856..259,631] ~ overlap (-0.3%) 326,854 ops/sec [326,604..326,921] → 326,168 ops/sec [325,595..326,451] 🔴 -0.2%
create view over existing buffer 310,617 ops/sec [308,696..313,136] → 283,838 ops/sec [282,072..286,263] 🔴 -8.6% 357,020 ops/sec [353,745..358,099] → 347,347 ops/sec [346,892..348,789] 🔴 -2.7%
subarray() 326,637 ops/sec [325,107..332,245] → 295,541 ops/sec [293,213..299,810] 🔴 -9.5% 402,630 ops/sec [399,511..404,503] → 396,459 ops/sec [393,477..397,322] 🔴 -1.5%
set() from array 417,386 ops/sec [416,642..421,325] → 370,463 ops/sec [367,242..373,836] 🔴 -11.2% 489,052 ops/sec [488,355..489,382] → 498,083 ops/sec [497,447..498,614] 🟢 +1.8%
for-of loop 4,327 ops/sec [4,236..4,356] → 4,104 ops/sec [4,079..4,125] 🔴 -5.2% 14,075 ops/sec [13,945..14,215] → 13,860 ops/sec [13,047..14,008] ~ overlap (-1.5%)
spread into array 15,079 ops/sec [14,756..15,186] → 15,120 ops/sec [15,097..15,258] ~ overlap (+0.3%) 66,416 ops/sec [66,146..67,813] → 67,725 ops/sec [67,449..68,299] ~ overlap (+2.0%)
uint8array-encoding.js — Interp: 🟢 1, 🔴 15, 2 unch. · avg -25.8% · Bytecode: 🟢 10, 🔴 2, 6 unch. · avg +25.8%
Benchmark Interpreted Δ Bytecode Δ
short (5 bytes) 515,515 ops/sec [504,934..525,841] → 290,619 ops/sec [289,188..294,988] 🔴 -43.6% 476,450 ops/sec [469,974..480,545] → 495,958 ops/sec [492,289..498,238] 🟢 +4.1%
medium (450 bytes) 235,452 ops/sec [165,407..238,244] → 162,062 ops/sec [161,372..163,159] 🔴 -31.2% 213,707 ops/sec [209,554..215,402] → 210,719 ops/sec [210,224..211,482] ~ overlap (-1.4%)
large (4096 bytes) 35,991 ops/sec [34,596..36,317] → 35,097 ops/sec [34,511..36,369] ~ overlap (-2.5%) 35,629 ops/sec [35,078..38,221] → 36,523 ops/sec [36,160..38,098] ~ overlap (+2.5%)
base64url alphabet 122,426 ops/sec [119,659..123,176] → 115,839 ops/sec [114,897..116,830] 🔴 -5.4% 125,288 ops/sec [123,097..126,850] → 174,909 ops/sec [172,519..176,034] 🟢 +39.6%
omitPadding 175,725 ops/sec [174,620..178,846] → 171,213 ops/sec [169,518..172,787] 🔴 -2.6% 209,661 ops/sec [204,325..211,995] → 340,222 ops/sec [336,371..343,812] 🟢 +62.3%
short (8 chars) 157,249 ops/sec [155,695..158,266] → 154,315 ops/sec [152,749..155,660] 🔴 -1.9% 175,971 ops/sec [174,123..178,302] → 282,982 ops/sec [280,444..284,257] 🟢 +60.8%
medium (600 chars) 77,005 ops/sec [74,934..77,150] → 76,030 ops/sec [74,589..76,078] ~ overlap (-1.3%) 79,274 ops/sec [78,476..79,672] → 135,747 ops/sec [134,478..136,625] 🟢 +71.2%
large (5464 chars) 24,099 ops/sec [23,894..25,297] → 14,569 ops/sec [14,408..14,924] 🔴 -39.5% 25,420 ops/sec [14,689..27,236] → 25,360 ops/sec [24,879..25,700] ~ overlap (-0.2%)
short (5 bytes) 529,390 ops/sec [517,598..541,792] → 305,269 ops/sec [301,564..307,848] 🔴 -42.3% 836,213 ops/sec [826,071..848,692] → 841,213 ops/sec [837,171..844,998] ~ overlap (+0.6%)
medium (450 bytes) 231,963 ops/sec [229,335..233,383] → 142,523 ops/sec [141,292..143,868] 🔴 -38.6% 306,104 ops/sec [303,029..309,068] → 291,168 ops/sec [290,860..291,308] 🔴 -4.9%
large (4096 bytes) 40,318 ops/sec [40,131..42,064] → 26,609 ops/sec [25,878..26,918] 🔴 -34.0% 50,218 ops/sec [47,544..50,785] → 45,146 ops/sec [44,571..46,527] 🔴 -10.1%
short (10 chars) 267,968 ops/sec [265,769..270,235] → 180,100 ops/sec [178,100..180,944] 🔴 -32.8% 309,909 ops/sec [309,124..312,733] → 317,850 ops/sec [313,730..319,464] 🟢 +2.6%
medium (900 chars) 181,665 ops/sec [177,784..183,545] → 115,027 ops/sec [112,885..115,782] 🔴 -36.7% 206,704 ops/sec [202,961..207,423] → 211,599 ops/sec [210,339..211,986] 🟢 +2.4%
large (8192 chars) 49,619 ops/sec [48,989..49,999] → 27,486 ops/sec [26,555..28,123] 🔴 -44.6% 55,573 ops/sec [30,308..56,046] → 54,823 ops/sec [54,522..55,329] ~ overlap (-1.3%)
setFromBase64 (450 bytes) 119,650 ops/sec [117,910..120,634] → 71,935 ops/sec [71,405..72,303] 🔴 -39.9% 79,734 ops/sec [79,464..80,251] → 132,073 ops/sec [131,164..132,661] 🟢 +65.6%
setFromHex (450 bytes) 161,873 ops/sec [160,726..164,176] → 105,344 ops/sec [104,543..105,701] 🔴 -34.9% 118,697 ops/sec [116,170..119,786] → 194,905 ops/sec [194,482..197,460] 🟢 +64.2%
toBase64 → fromBase64 (450 bytes) 90,823 ops/sec [88,844..91,211] → 57,996 ops/sec [57,442..58,286] 🔴 -36.1% 61,498 ops/sec [61,377..61,536] → 93,919 ops/sec [93,175..94,295] 🟢 +52.7%
toHex → fromHex (450 bytes) 114,609 ops/sec [112,996..115,626] → 118,332 ops/sec [116,903..120,418] 🟢 +3.2% 82,943 ops/sec [80,657..136,351] → 127,147 ops/sec [126,601..128,136] ~ overlap (+53.3%)

Measured on ubuntu-latest x64. Benchmark ranges compare cached main-branch min/max ops/sec with the PR run; overlapping ranges are treated as unchanged noise. Percentage deltas are secondary context.

@frostney frostney merged commit 2994740 into main Apr 22, 2026
10 checks passed
@frostney frostney deleted the license-year-patch branch April 22, 2026 19:33
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