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feat(minifier): evaluate Math.sqrt and Math.cbrt #8731

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@sapphi-red sapphi-red commented Jan 26, 2025

Replaces Math.sqrt(a) and Math.cbrt(a) when a is a constant and the result is an integer.
The motivation of this PR is to add a comment that Math.sqrt / Math.cbrt cannot be replaced to **, rather than the actual minification improvement.

Reference

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sapphi-red commented Jan 26, 2025


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@github-actions github-actions bot added A-minifier Area - Minifier C-enhancement Category - New feature or request labels Jan 26, 2025
@sapphi-red sapphi-red force-pushed the 01-25-feat_minifier_replace_math.pow_with_ branch from 5d8ec60 to 82a21ad Compare January 26, 2025 10:24
@sapphi-red sapphi-red force-pushed the 01-26-feat_minifier_evaluate_math.sqrt_and_math.cbrt_ branch from 0f7b472 to 9556f95 Compare January 26, 2025 10:24
@sapphi-red sapphi-red marked this pull request as ready for review January 26, 2025 10:32
@Boshen Boshen added the 0-merge Merge with Graphite Merge Queue label Jan 26, 2025
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Boshen commented Jan 26, 2025

Merge activity

  • Jan 26, 5:44 AM EST: The merge label '0-merge' was detected. This PR will be added to the Graphite merge queue once it meets the requirements.
  • Jan 26, 5:44 AM EST: A user added this pull request to the Graphite merge queue.
  • Jan 26, 5:53 AM EST: The Graphite merge queue removed this pull request due to downstack failures on PR #8729.
  • Jan 26, 5:55 AM EST: The merge label '0-merge' was detected. This PR will be added to the Graphite merge queue once it meets the requirements.
  • Jan 26, 6:31 AM EST: A user added this pull request to the Graphite merge queue.
  • Jan 26, 6:35 AM EST: The Graphite merge queue couldn't merge this PR because it had conflicts with the trunk branch.
  • Jan 26, 7:14 AM EST: A user added this pull request to the Graphite merge queue.
  • Jan 26, 7:19 AM EST: A user merged this pull request with the Graphite merge queue.

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codspeed-hq bot commented Jan 26, 2025

CodSpeed Performance Report

Merging #8731 will not alter performance

Comparing 01-26-feat_minifier_evaluate_math.sqrt_and_math.cbrt_ (9e32f55) with main (360d49e)

Summary

✅ 33 untouched benchmarks

@graphite-app graphite-app bot removed the 0-merge Merge with Graphite Merge Queue label Jan 26, 2025
@Boshen Boshen added the 0-merge Merge with Graphite Merge Queue label Jan 26, 2025
@sapphi-red sapphi-red force-pushed the 01-25-feat_minifier_replace_math.pow_with_ branch from 82a21ad to cbeda1b Compare January 26, 2025 11:08
@sapphi-red sapphi-red force-pushed the 01-26-feat_minifier_evaluate_math.sqrt_and_math.cbrt_ branch from 9556f95 to 3378661 Compare January 26, 2025 11:08
@sapphi-red sapphi-red force-pushed the 01-25-feat_minifier_replace_math.pow_with_ branch from cbeda1b to 672d6e9 Compare January 26, 2025 11:11
@sapphi-red sapphi-red force-pushed the 01-26-feat_minifier_evaluate_math.sqrt_and_math.cbrt_ branch from 3378661 to 899d108 Compare January 26, 2025 11:12
@Boshen Boshen force-pushed the 01-25-feat_minifier_replace_math.pow_with_ branch from 672d6e9 to 335d07e Compare January 26, 2025 11:18
@Boshen Boshen force-pushed the 01-26-feat_minifier_evaluate_math.sqrt_and_math.cbrt_ branch from 899d108 to 2f3b1d4 Compare January 26, 2025 11:18
@sapphi-red sapphi-red force-pushed the 01-26-feat_minifier_evaluate_math.sqrt_and_math.cbrt_ branch from 2f3b1d4 to ad8ec4a Compare January 26, 2025 11:21
@Boshen Boshen changed the base branch from 01-25-feat_minifier_replace_math.pow_with_ to graphite-base/8731 January 26, 2025 11:24
@graphite-app graphite-app bot changed the base branch from graphite-base/8731 to main January 26, 2025 11:34
@graphite-app graphite-app bot removed the 0-merge Merge with Graphite Merge Queue label Jan 26, 2025
@sapphi-red sapphi-red force-pushed the 01-26-feat_minifier_evaluate_math.sqrt_and_math.cbrt_ branch from ad8ec4a to dda3b76 Compare January 26, 2025 12:08
Replaces `Math.sqrt(a)` and `Math.cbrt(a)` when a is a constant and the result is an integer.
The motivation of this PR is to add a comment that `Math.sqrt` / `Math.cbrt` cannot be replaced to `**`, rather than the actual minification improvement.

**Reference**
- [Spec of `Math.sqrt`](https://tc39.es/ecma262/multipage/numbers-and-dates.html#sec-math.sqrt)
- [Spec of `Math.cbrt`](https://tc39.es/ecma262/multipage/numbers-and-dates.html#sec-math.cbrt)
- [Spec of `Number::exponentiate`](https://tc39.es/ecma262/multipage/ecmascript-data-types-and-values.html#sec-numeric-types-number-exponentiate)
@sapphi-red sapphi-red force-pushed the 01-26-feat_minifier_evaluate_math.sqrt_and_math.cbrt_ branch from dda3b76 to 9e32f55 Compare January 26, 2025 12:14
@graphite-app graphite-app bot merged commit 9e32f55 into main Jan 26, 2025
25 checks passed
@graphite-app graphite-app bot deleted the 01-26-feat_minifier_evaluate_math.sqrt_and_math.cbrt_ branch January 26, 2025 12:19
Boshen added a commit that referenced this pull request Jan 26, 2025
## [0.48.1] - 2025-01-26

### Features

- b7f13e6 ast: Implement utf8 to utf16 span converter (#8687) (Boshen)
- 6589c3b mangler: Reuse variable names (#8562) (翠 / green)
- 29bd215 minifier: Minimize `Infinity.toString(radix)` to `'Infinity'`
(#8732) (Boshen)
- e0117db minifier: Replace `const` with `let` for non-exported
read-only variables (#8733) (sapphi-red)
- 9e32f55 minifier: Evaluate `Math.sqrt` and `Math.cbrt` (#8731)
(sapphi-red)
- 360d49e minifier: Replace `Math.pow` with `**` (#8730) (sapphi-red)
- 2e9a560 minifier: `NaN.toString(radix)` is always `NaN` (#8727)
(Boshen)
- cbe0e82 minifier: Minimize `foo(...[])` -> `foo()` (#8726) (Boshen)
- e9fb5fe minifier: Dce pure expressions such as `new Map()` (#8725)
(Boshen)

### Bug Fixes

- 0944758 codegen: Remove parens from `new (import(''), function() {})`
(#8707) (Boshen)
- 33de70a mangler: Handle cases where a var is declared in a block scope
(#8706) (翠 / green)
- d982cdb minifier: `Unknown.fromCharCode` should not be treated as
`String.fromCharCode` (#8709) (sapphi-red)
- e7ab96c transformer/jsx: Incorrect `isStaticChildren` argument for
`Fragment` with multiple children (#8713) (Dunqing)
- 3e509e1 transformer/typescript: Enum merging when same name declared
in outer scope (#8691) (branchseer)

### Performance

- dc0b0f2 manger: Remove useless `tmp_bindings` (#8735) (Dunqing)
- e472ced mangler: Optimize handling of collecting lived scope ids
(#8724) (Dunqing)
- 8587965 minifier: Normalize `undefined` to `void 0` before everything
else (#8699) (Boshen)

### Refactor

- 58002e2 ecmascript: Remove the lifetime annotation on
`MayHaveSideEffects` (#8717) (Boshen)
- 10e5920 linter: Move finishing default diagnostic message to
`GraphicalReporter` (#8683) (Sysix)
- 52a37d0 mangler: Simplify initialization of `slots` (#8734) (Dunqing)
- 6bc906c minifier: Allow mutating arguments in methods called from
`try_fold_known_string_methods` (#8729) (sapphi-red)
- bf8be23 minifier: Use `Ctx` (#8716) (Boshen)
- 0af0267 minifier: Side effect detection needs symbols resolution
(#8715) (Boshen)
- 32e0e47 minifier: Clean up `Normalize` (#8700) (Boshen)
- c792068 semantic: Simplify `ScopeTree::iter_bindings` (#8723)
(Dunqing)

### Testing

- 03229c5 minifier: Fix broken tests (#8722) (Boshen)

Co-authored-by: Boshen <1430279+Boshen@users.noreply.github.com>
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