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Generator performance #13593

Merged
merged 11 commits into from Jul 23, 2021
Merged

Generator performance #13593

merged 11 commits into from Jul 23, 2021

Commits on Jul 22, 2021

  1. bench: setup benchmarks

    @JLHwung
    JLHwung committed Jul 22, 2021
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  2. add charcodes

    @JLHwung
    JLHwung committed Jul 22, 2021
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  3. perf: use string as buffer backend 

    baseline 256 empty statements: 3_718 ops/sec ±18.65% (0.269ms)
baseline 512 empty statements: 2_070 ops/sec ±0.96% (0.483ms)
baseline 1024 empty statements: 1_012 ops/sec ±1.76% (0.988ms)
baseline 2048 empty statements: 510 ops/sec ±1.53% (1.96ms)
current 256 empty statements: 3_965 ops/sec ±21.14% (0.252ms)
current 512 empty statements: 2_219 ops/sec ±1.29% (0.451ms)
current 1024 empty statements: 1_089 ops/sec ±1.53% (0.918ms)
current 2048 empty statements: 548 ops/sec ±1.87% (1.824ms)
    @JLHwung
    JLHwung committed Jul 22, 2021
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  4. perf: add endsWithCharAndNewline 

    baseline 256 1-length identifiers: 1_947 ops/sec ±25.11% (0.514ms)
baseline 512 1-length identifiers: 1_115 ops/sec ±0.89% (0.897ms)
baseline 1024 1-length identifiers: 537 ops/sec ±1.71% (1.862ms)
baseline 2048 1-length identifiers: 273 ops/sec ±0.57% (3.669ms)
current 256 1-length identifiers: 2_178 ops/sec ±27.17% (0.459ms)
current 512 1-length identifiers: 1_250 ops/sec ±1.19% (0.8ms)
current 1024 1-length identifiers: 622 ops/sec ±0.71% (1.608ms)
current 2048 1-length identifiers: 308 ops/sec ±1.35% (3.251ms)
    @JLHwung
    JLHwung committed Jul 22, 2021
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  5. perf: avoid one byte string compare

    @JLHwung
    JLHwung committed Jul 22, 2021
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  6. perf: avoid scaning word for /

    @JLHwung
    JLHwung committed Jul 22, 2021
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  7. perf: hoist babel type methods 

    baseline 256 25-length identifiers: 1_869 ops/sec ±29.4% (0.535ms)
baseline 512 25-length identifiers: 1_092 ops/sec ±1.62% (0.916ms)
baseline 1024 25-length identifiers: 537 ops/sec ±1.29% (1.862ms)
baseline 2048 25-length identifiers: 264 ops/sec ±2% (3.793ms)
current 256 25-length identifiers: 2_462 ops/sec ±23.38% (0.406ms)
current 512 25-length identifiers: 1_401 ops/sec ±0.73% (0.714ms)
current 1024 25-length identifiers: 671 ops/sec ±1.55% (1.491ms)
current 2048 25-length identifiers: 332 ops/sec ±1.44% (3.014ms)
    @JLHwung
    JLHwung committed Jul 22, 2021
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  8. perf: hoist parens methods 

    baseline 256 1-length identifiers: 2_678 ops/sec ±24.96% (0.373ms)
baseline 512 1-length identifiers: 1_472 ops/sec ±2.33% (0.68ms)
baseline 1024 1-length identifiers: 737 ops/sec ±1.74% (1.357ms)
baseline 2048 1-length identifiers: 371 ops/sec ±0.79% (2.695ms)
current 256 1-length identifiers: 2_633 ops/sec ±32.44% (0.38ms)
current 512 1-length identifiers: 1_676 ops/sec ±1.49% (0.597ms)
current 1024 1-length identifiers: 803 ops/sec ±1.95% (1.246ms)
current 2048 1-length identifiers: 385 ops/sec ±2.22% (2.596ms)
    @JLHwung
    JLHwung committed Jul 22, 2021
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  9. cleanup unused benchcase

    @JLHwung
    JLHwung committed Jul 22, 2021
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  10. Update packages/babel-generator/src/buffer.ts 

    Co-authored-by: Nicolò Ribaudo <nicolo.ribaudo@gmail.com>
    @JLHwung @nicolo-ribaudo
    JLHwung and nicolo-ribaudo committed Jul 22, 2021
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  11. cleanup benchmarks

    @JLHwung
    JLHwung committed Jul 22, 2021
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