Benchmarks

Run cargo +nightly bench --features multi-thread in the root directory of this repository for benchmarking.

The following results are generated with Windows 10 64 bit and Intel i9-10900KF CPU @ 3.70GHz.

`spdlog-rs` (0.3.0)

Default features

test bench_1_file               ... bench:         208 ns/iter (+/- 16)
test bench_2_file_async         ... bench:         178 ns/iter (+/- 8)
test bench_3_rotating_file_size ... bench:         211 ns/iter (+/- 37)
test bench_4_rotating_daily     ... bench:         211 ns/iter (+/- 22)
test bench_5_level_off          ... bench:           1 ns/iter (+/- 0)

Enable flexible-string feature

test bench_1_file               ... bench:         179 ns/iter (+/- 16)
test bench_2_file_async         ... bench:         179 ns/iter (+/- 10)
test bench_3_rotating_file_size ... bench:         183 ns/iter (+/- 23)
test bench_4_rotating_daily     ... bench:         189 ns/iter (+/- 18)
test bench_5_level_off          ... bench:           1 ns/iter (+/- 0)

Compared with other Rust crates

Disclaimer

I'm not entirely familiar with using the other Rust crates below, so if you find a bug or something worth improving in the benchmark code, feel free to open an issue to let me know.

`tracing` (0.1.37)

test bench_1_file               ... bench:       2,387 ns/iter (+/- 165)
test bench_2_file_async         ... bench:         767 ns/iter (+/- 161)
test bench_3_rotating_file_size ...                unavailable
test bench_4_rotating_daily     ... bench:       2,395 ns/iter (+/- 107)
test bench_5_level_off          ... bench:           0 ns/iter (+/- 0)

`slog` (2.7.0)

test bench_1_file                     ...                unavailable
test bench_2_file_async               ... bench:         464 ns/iter (+/- 20)
test bench_3_rotating_file_size_async ... bench:         463 ns/iter (+/- 20)
test bench_4_rotating_daily           ...                unavailable
test bench_5_level_off                ... bench:           2 ns/iter (+/- 0)

`flexi_logger` (0.24.1)

test bench_1_file               ... bench:       1,732 ns/iter (+/- 121)
test bench_2_file_async         ...                unavailable
test bench_3_rotating_file_size ... bench:       1,701 ns/iter (+/- 110)
test bench_4_rotating_daily     ... bench:       2,486 ns/iter (+/- 191)
test bench_5_level_off          ... bench:           0 ns/iter (+/- 0)

`log4rs` (1.2.0)

test bench_1_file               ... bench:       3,350 ns/iter (+/- 254)
test bench_2_file_async         ...                unavailable
test bench_3_rotating_file_size ... bench:       3,320 ns/iter (+/- 236)
test bench_4_rotating_daily     ...                unavailable
test bench_5_level_off          ... bench:           0 ns/iter (+/- 0)

`fern` (0.6.1)

test bench_1_file               ... bench:       3,337 ns/iter (+/- 203)
test bench_2_file_async         ...                unavailable
test bench_3_rotating_file_size ...                unavailable
test bench_4_rotating_daily     ...                unavailable
test bench_5_level_off          ...                unavailable

Compared with C++ spdlog

`spdlog-rs` (0.3.0)

Default features (corresponds to C++ spdlog using standard <format>)

Sync

[info] **********************************************************************
[info] Multi threaded: 1 threads, 250000 messages
[info] **********************************************************************
[info] basic_mt                       Elapsed: 0.09 secs          2881439/sec
[info] rotating_mt                    Elapsed: 0.09 secs          2810747/sec
[info] daily_mt                       Elapsed: 0.09 secs          2829965/sec
[info] level-off                      Elapsed: 0.00 secs        407365162/sec
[info] **********************************************************************
[info] Multi threaded: 4 threads, 250000 messages
[info] **********************************************************************
[info] basic_mt                       Elapsed: 0.07 secs          3803015/sec
[info] rotating_mt                    Elapsed: 0.07 secs          3792993/sec
[info] daily_mt                       Elapsed: 0.07 secs          3739458/sec
[info] level-off                      Elapsed: 0.00 secs        609756097/sec

Async

[info] --------------------------------------------
[info] Messages     : 1000000
[info] Threads      : 10
[info] Queue        : 8192 slots
[info] Queue memory : 8192 x 104 = 832 KB
[info] Total iters  : 3
[info] --------------------------------------------
[info]
[info] ********************************************
[info] Queue Overflow Policy: Block
[info] ********************************************
[info] Elapsed: 0.6017485 secs   1661823/sec
[info] Elapsed: 0.6075015 secs   1646086/sec
[info] Elapsed: 0.5799057 secs   1724418/sec
[info]
[info] ********************************************
[info] Queue Overflow Policy: DropIncoming
[info] ********************************************
[info] Elapsed: 0.0794148 secs   12592111/sec
[info] Elapsed: 0.0818668 secs   12214963/sec
[info] Elapsed: 0.0784296 secs   12750288/sec

Enable flexible-string feature (corresponds to C++ spdlog using fmt library)

Sync

[info] **********************************************************************
[info] Multi threaded: 1 threads, 250000 messages
[info] **********************************************************************
[info] basic_mt                       Elapsed: 0.08 secs          2969371/sec
[info] rotating_mt                    Elapsed: 0.08 secs          2952681/sec
[info] daily_mt                       Elapsed: 0.08 secs          2992041/sec
[info] level-off                      Elapsed: 0.00 secs        514721021/sec
[info] **********************************************************************
[info] Multi threaded: 4 threads, 250000 messages
[info] **********************************************************************
[info] basic_mt                       Elapsed: 0.07 secs          3496977/sec
[info] rotating_mt                    Elapsed: 0.07 secs          3399459/sec
[info] daily_mt                       Elapsed: 0.07 secs          3364660/sec
[info] level-off                      Elapsed: 0.00 secs        632751202/sec

Async

[info] --------------------------------------------
[info] Messages     : 1000000
[info] Threads      : 10
[info] Queue        : 8192 slots
[info] Queue memory : 8192 x 104 = 832 KB
[info] Total iters  : 3
[info] --------------------------------------------
[info]
[info] ********************************************
[info] Queue Overflow Policy: Block
[info] ********************************************
[info] Elapsed: 0.5647074 secs   1770828/sec
[info] Elapsed: 0.5635446 secs   1774482/sec
[info] Elapsed: 0.5546488 secs   1802942/sec
[info]
[info] ********************************************
[info] Queue Overflow Policy: DropIncoming
[info] ********************************************
[info] Elapsed: 0.0824193 secs   12133080/sec
[info] Elapsed: 0.0794965 secs   12579170/sec
[info] Elapsed: 0.0847295 secs   11802264/sec

C++ `spdlog` (1.11.0)

Using standard <format> (compiled with cmake -G "Visual Studio 17 2022" -A x64 -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_STANDARD=20 -DCMAKE_CXX_STANDARD_REQUIRED=ON -DSPDLOG_BUILD_BENCH=ON -DSPDLOG_BUILD_EXAMPLE=OFF -DSPDLOG_USE_STD_FORMAT=ON)

Sync

[info] **************************************************************
[info] Multi threaded: 1 threads, 250,000 messages
[info] **************************************************************
[info] basic_mt                       Elapsed: 0.13 secs        1,906,872/sec
[info] rotating_mt                    Elapsed: 0.13 secs        1,866,094/sec
[info] daily_mt                       Elapsed: 0.13 secs        1,981,681/sec
[info] level-off                      Elapsed: 0.00 secs      147,466,525/sec
[info] **************************************************************
[info] Multi threaded: 4 threads, 250,000 messages
[info] **************************************************************
[info] basic_mt                       Elapsed: 0.19 secs        1,346,298/sec
[info] rotating_mt                    Elapsed: 0.20 secs        1,252,840/sec
[info] daily_mt                       Elapsed: 0.20 secs        1,263,637/sec
[info] level-off                      Elapsed: 0.00 secs      148,456,057/sec

Async

[info] -------------------------------------------------
[info] Messages     : 1000000
[info] Threads      : 10
[info] Queue        : 8192 slots
[info] Queue memory : 8192 x 152 = 1216 KB
[info] Total iters  : 3
[info] -------------------------------------------------
[info]
[info] *********************************
[info] Queue Overflow Policy: block
[info] *********************************
[info] Elapsed: 2.2210225 secs   450243/sec
[info] Elapsed: 2.2159465 secs   451274/sec
[info] Elapsed: 2.1952666 secs   455525/sec
[info]
[info] *********************************
[info] Queue Overflow Policy: overrun
[info] *********************************
[info] Elapsed: 0.5903473 secs   1693918/sec
[info] Elapsed: 0.6034908 secs   1657026/sec
[info] Elapsed: 0.6127076 secs   1632099/sec

Using fmt library (compiled with cmake -G "Visual Studio 17 2022" -A x64 -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_STANDARD=20 -DCMAKE_CXX_STANDARD_REQUIRED=ON -DSPDLOG_BUILD_BENCH=ON -DSPDLOG_BUILD_EXAMPLE=OFF)

Sync

[info] **************************************************************
[info] Multi threaded: 1 threads, 250,000 messages
[info] **************************************************************
[info] basic_mt                       Elapsed: 0.07 secs        3,430,498/sec
[info] rotating_mt                    Elapsed: 0.07 secs        3,481,225/sec
[info] daily_mt                       Elapsed: 0.07 secs        3,563,268/sec
[info] level-off                      Elapsed: 0.00 secs      138,757,839/sec
[info] **************************************************************
[info] Multi threaded: 4 threads, 250,000 messages
[info] **************************************************************
[info] basic_mt                       Elapsed: 0.11 secs        2,214,753/sec
[info] rotating_mt                    Elapsed: 0.12 secs        2,059,991/sec
[info] daily_mt                       Elapsed: 0.12 secs        2,058,245/sec
[info] level-off                      Elapsed: 0.00 secs      139,938,427/sec

Async

[info] -------------------------------------------------
[info] Messages     : 1000000
[info] Threads      : 10
[info] Queue        : 8192 slots
[info] Queue memory : 8192 x 408 = 3264 KB
[info] Total iters  : 3
[info] -------------------------------------------------
[info]
[info] *********************************
[info] Queue Overflow Policy: block
[info] *********************************
[info] Elapsed: 2.0660842 secs   484007/sec
[info] Elapsed: 2.0782232 secs   481180/sec
[info] Elapsed: 2.0823594 secs   480224/sec
[info]
[info] *********************************
[info] Queue Overflow Policy: overrun
[info] *********************************
[info] Elapsed: 0.3435961 secs   2910393/sec
[info] Elapsed: 0.3418817 secs   2924988/sec
[info] Elapsed: 0.3393879 secs   2946481/sec

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README.md

README.md

Benchmarks

`spdlog-rs` (0.3.0)

Disclaimer

`tracing` (0.1.37)

`slog` (2.7.0)

`flexi_logger` (0.24.1)

`log4rs` (1.2.0)

`fern` (0.6.1)

`spdlog-rs` (0.3.0)

C++ `spdlog` (1.11.0)

Files

README.md

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History

README.md

File metadata and controls

Benchmarks

spdlog-rs (0.3.0)

Disclaimer

tracing (0.1.37)

slog (2.7.0)

flexi_logger (0.24.1)

log4rs (1.2.0)

fern (0.6.1)

spdlog-rs (0.3.0)

C++ spdlog (1.11.0)

`spdlog-rs` (0.3.0)

`tracing` (0.1.37)

`slog` (2.7.0)

`flexi_logger` (0.24.1)

`log4rs` (1.2.0)

`fern` (0.6.1)

`spdlog-rs` (0.3.0)

C++ `spdlog` (1.11.0)