perf: optimize required props serialization

[ivan-tymoshenko]

It removes a check before adding a comma if there are required props. Which gives you around 8-10% perf boost if object has at least one required property.

Before:

After:

[Uzlopak]

awesome

[github-actions]

PR:

short string............................................. x 22,336,523 ops/sec ±0.99% (194 runs sampled)
short string with double quote........................... x 13,144,259 ops/sec ±0.48% (193 runs sampled)
long string without double quotes........................ x 27,196 ops/sec ±0.71% (194 runs sampled)
long string.............................................. x 10,479 ops/sec ±0.21% (193 runs sampled)
number................................................... x 816,841,358 ops/sec ±0.26% (195 runs sampled)
integer.................................................. x 173,853,531 ops/sec ±0.27% (195 runs sampled)
formatted date-time...................................... x 3,570,795 ops/sec ±0.19% (193 runs sampled)
formatted date........................................... x 2,292,872 ops/sec ±2.20% (189 runs sampled)
formatted time........................................... x 2,339,269 ops/sec ±0.25% (193 runs sampled)
short array of numbers................................... x 84,088 ops/sec ±0.30% (194 runs sampled)
short array of integers.................................. x 67,049 ops/sec ±0.70% (193 runs sampled)
short array of short strings............................. x 20,036 ops/sec ±0.17% (193 runs sampled)
short array of long strings.............................. x 19,947 ops/sec ±0.19% (192 runs sampled)
short array of objects with properties of different types x 10,740 ops/sec ±0.28% (194 runs sampled)
object with number property.............................. x 815,435,190 ops/sec ±0.06% (195 runs sampled)
object with integer property............................. x 173,592,621 ops/sec ±0.36% (195 runs sampled)
object with short string property........................ x 22,167,373 ops/sec ±0.31% (194 runs sampled)
object with long string property......................... x 10,495 ops/sec ±0.21% (192 runs sampled)
object with properties of different types................ x 2,224,259 ops/sec ±0.25% (193 runs sampled)
simple object............................................ x 9,741,886 ops/sec ±0.23% (194 runs sampled)
simple object with required fields....................... x 10,222,838 ops/sec ±0.33% (194 runs sampled)
object with const string property........................ x 820,288,245 ops/sec ±0.08% (195 runs sampled)
object with const number property........................ x 820,601,143 ops/sec ±0.06% (195 runs sampled)
object with const bool property.......................... x 820,305,129 ops/sec ±0.06% (195 runs sampled)
object with const object property........................ x 820,228,324 ops/sec ±0.07% (195 runs sampled)
object with const null property.......................... x 820,268,107 ops/sec ±0.06% (195 runs sampled)

MASTER:

short string............................................. x 22,565,383 ops/sec ±0.25% (194 runs sampled)
short string with double quote........................... x 13,174,737 ops/sec ±0.39% (193 runs sampled)
long string without double quotes........................ x 26,994 ops/sec ±1.64% (191 runs sampled)
long string.............................................. x 10,385 ops/sec ±0.22% (193 runs sampled)
number................................................... x 818,416,765 ops/sec ±0.08% (195 runs sampled)
integer.................................................. x 174,373,202 ops/sec ±0.08% (195 runs sampled)
formatted date-time...................................... x 3,571,921 ops/sec ±0.18% (194 runs sampled)
formatted date........................................... x 2,332,611 ops/sec ±0.22% (193 runs sampled)
formatted time........................................... x 2,338,759 ops/sec ±0.24% (193 runs sampled)
short array of numbers................................... x 84,737 ops/sec ±0.26% (194 runs sampled)
short array of integers.................................. x 67,045 ops/sec ±0.72% (193 runs sampled)
short array of short strings............................. x 19,884 ops/sec ±0.18% (192 runs sampled)
short array of long strings.............................. x 20,008 ops/sec ±0.19% (193 runs sampled)
short array of objects with properties of different types x 10,666 ops/sec ±0.19% (194 runs sampled)
object with number property.............................. x 815,784,252 ops/sec ±0.06% (195 runs sampled)
object with integer property............................. x 173,982,392 ops/sec ±0.07% (195 runs sampled)
object with short string property........................ x 22,101,686 ops/sec ±0.22% (194 runs sampled)
object with long string property......................... x 10,604 ops/sec ±0.17% (195 runs sampled)
object with properties of different types................ x 2,201,328 ops/sec ±0.41% (192 runs sampled)
simple object............................................ x 10,136,445 ops/sec ±0.27% (194 runs sampled)
simple object with required fields....................... x 10,419,121 ops/sec ±0.28% (194 runs sampled)
object with const string property........................ x 819,990,450 ops/sec ±0.08% (195 runs sampled)
object with const number property........................ x 820,399,936 ops/sec ±0.06% (194 runs sampled)
object with const bool property.......................... x 820,410,316 ops/sec ±0.07% (194 runs sampled)
object with const object property........................ x 820,564,928 ops/sec ±0.06% (194 runs sampled)
object with const null property.......................... x 820,188,094 ops/sec ±0.08% (195 runs sampled)

[mcollina]

love it