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Boshen committed Sep 26, 2024
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20.14.0
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# Bench Transformer

## Transformer
## Transform / Transpile

### MacBook Pro M3 Max

Oxc is at least 3 times faster than swc.
Oxc is at 4x faster than swc, and 40x faster than Babel.

```
✓ src/transformer.bench.js (2) 1280ms
✓ typescript.ts (2) 1278ms
name hz min max mean p75 p99 p995 p999 rme samples
· oxc.transform 206.73 4.6710 5.3937 4.8372 4.8827 5.2200 5.3937 5.3937 ±0.48% 104 fastest
· swc.transform 54.7220 17.5129 19.4141 18.2742 18.8245 19.4141 19.4141 19.4141 ±1.22% 28
BENCH Summary
### MacBook Pro M3 Max

oxc.transform - src/transformer.bench.js > typescript.ts
3.78x faster than swc.transform
```
BENCH Summary
## Isolated Declarations
oxc - src/transform.bench.js > parser.ts
3.94x faster than swc
43.64x faster than babel
### Mac mini M2
oxc - src/transform.bench.js > renderer.ts
3.98x faster than swc
41.86x faster than babel
oxc - src/transform.bench.js > table.tsx
4.28x faster than swc
36.14x faster than babel
```
✓ src/isolatedDeclarations.bench.js (6) 3858ms
✓ simple.ts (2) 1224ms
name hz min max mean p75 p99 p995 p999 rme samples
· oxc.isolatedDeclaration 3,638.64 0.2697 1.1273 0.2748 0.2767 0.3077 0.3157 0.3475 ±0.35% 1820 fastest
· typescript.transpileDeclaration 300.61 2.3100 7.9422 3.3265 3.4880 7.5327 7.9422 7.9422 ±5.20% 151
✓ vue-large.ts (2) 1413ms
name hz min max mean p75 p99 p995 p999 rme samples
· oxc.isolatedDeclaration 99.2004 9.9803 10.3907 10.0806 10.1045 10.3907 10.3907 10.3907 ±0.31% 50 fastest
· typescript.transpileDeclaration 28.7264 32.7956 42.2205 34.8112 35.0387 42.2205 42.2205 42.2205 ±3.90% 15
✓ vue.ts (2) 1219ms
name hz min max mean p75 p99 p995 p999 rme samples
· oxc.isolatedDeclaration 8,212.06 0.1179 1.1241 0.1218 0.1212 0.1433 0.1465 0.1630 ±0.45% 4107 fastest
· typescript.transpileDeclaration 281.80 2.8115 7.1883 3.5487 4.4342 5.4738 7.1883 7.1883 ±3.87% 142
BENCH Summary

oxc.isolatedDeclaration - src/isolatedDeclarations.bench.js > simple.ts
12.10x faster than typescript.transpileDeclaration
oxc.isolatedDeclaration - src/isolatedDeclarations.bench.js > vue-large.ts
3.45x faster than typescript.transpileDeclaration
## Isolated Declarations

oxc.isolatedDeclaration - src/isolatedDeclarations.bench.js > vue.ts
29.14x faster than typescript.transpileDeclaration
```
Oxc is at 4x faster than tsc on small files, and 10x faster on larger files.

### MacBook Pro M3 Max

Oxc is at least 20 times faster than tsc.

```
✓ src/isolatedDeclarations.bench.js (8) 5264ms
✓ simple.ts (2) 1230ms
name hz min max mean p75 p99 p995 p999 rme samples
· oxc.isolatedDeclaration 29,640.31 0.0305 0.4573 0.0337 0.0340 0.0439 0.0454 0.0551 ±0.25% 14821 fastest
· typescript.transpileDeclaration 363.42 1.5387 8.6191 2.7516 2.9990 6.8490 8.6191 8.6191 ±6.06% 182
✓ typescript.ts (2) 1436ms
name hz min max mean p75 p99 p995 p999 rme samples
· oxc.isolatedDeclaration 558.71 1.5491 3.1518 1.7898 1.8538 2.6166 3.0556 3.1518 ±1.42% 280 fastest
· typescript.transpileDeclaration 27.0902 33.1530 49.9506 36.9137 38.1961 49.9506 49.9506 49.9506 ±7.06% 14
✓ vue-large.ts (2) 1378ms
name hz min max mean p75 p99 p995 p999 rme samples
· oxc.isolatedDeclaration 693.69 1.2699 2.7921 1.4416 1.4516 2.1403 2.1675 2.7921 ±1.09% 347 fastest
· typescript.transpileDeclaration 30.3635 28.5511 38.6734 32.9343 34.6183 38.6734 38.6734 38.6734 ±5.72% 16
✓ vue.ts (2) 1217ms
name hz min max mean p75 p99 p995 p999 rme samples
· oxc.isolatedDeclaration 8,093.61 0.1060 0.9229 0.1236 0.1274 0.1508 0.1713 0.2752 ±0.44% 4047 fastest
· typescript.transpileDeclaration 284.95 2.5625 8.3006 3.5094 4.0177 8.0189 8.3006 8.3006 ±4.58% 143
BENCH Summary
oxc.isolatedDeclaration - src/isolatedDeclarations.bench.js > simple.ts
81.56x faster than typescript.transpileDeclaration
oxc.isolatedDeclaration - src/isolatedDeclarations.bench.js > typescript.ts
20.62x faster than typescript.transpileDeclaration
oxc - src/id.bench.js > parser.ts
14.81x faster than tsc
oxc.isolatedDeclaration - src/isolatedDeclarations.bench.js > vue-large.ts
22.85x faster than typescript.transpileDeclaration
oxc - src/id.bench.js > renderer.ts
15.19x faster than tsc
oxc.isolatedDeclaration - src/isolatedDeclarations.bench.js > vue.ts
28.40x faster than typescript.transpileDeclaration
oxc - src/id.bench.js > table.tsx
4.43x faster than tsc
```

## Fixtures

* simple.ts (5kb, 156 loc) - copied from https://github.com/microsoft/TypeScript/blob/main/tests/cases/transpile
* vue.ts (31kb, 1185 loc) - some files combined from the vue repository
* vue-large.ts (320kb, 11702 loc) - all vue files combined
* typescript.ts (462, 11719 lines) - copied from https://github.com/microsoft/TypeScript/blob/main/src/compiler/utilities.ts

### NOTE:

Babel's code generator deoptimised the styling for large files and reports

> [BABEL] Note: The code generator has deoptimised the styling of parser.ts as it exceeds the max of 500KB.
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