[webkit-changes] [WebKit/WebKit] 60dfa5: [JSC] Improve `Math.hypot` Performance with 4+ Arg...

[Keita Nonaka]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 60dfa5abdbb3ef5b9cf73040da71a5b3378ab876
      
https://github.com/WebKit/WebKit/commit/60dfa5abdbb3ef5b9cf73040da71a5b3378ab876
  Author: Keita Nonaka <ikonnyak...@gmail.com>
  Date:   2025-11-04 (Tue, 04 Nov 2025)

  Changed paths:
    A JSTests/microbenchmarks/math-hypot-common.js
    A JSTests/microbenchmarks/math-hypot-epic.js
    A JSTests/microbenchmarks/math-hypot-rare.js
    A JSTests/microbenchmarks/math-hypot-uncommon.js
    R JSTests/microbenchmarks/math-hypot.js
    A JSTests/stress/math-hypot.js
    M Source/JavaScriptCore/runtime/MathObject.cpp

  Log Message:
  -----------
  [JSC] Improve `Math.hypot` Performance with 4+ Arguments
https://bugs.webkit.org/show_bug.cgi?id=301480

Reviewed by Keith Miller.

This patch improves `Math.hypot` performance with 4+ arguments.

                                TipOfTree                   Patched             
                 Ratio
math-hypot-common          0.7415+-0.2021     ?      0.8036+-0.0676        ? 
might be 1.0838x slower
math-hypot-uncommon        1.4897+-0.0405     ^      0.9222+-0.1222        ^ 
definitely 1.6154x faster
math-hypot-rare            1.9600+-0.0540     ^      1.0715+-0.1103        ^ 
definitely 1.8293x faster
math-hypot-epic            2.8179+-0.1830     ^      1.1715+-0.1121        ^ 
definitely 2.4054x faster

Tests: JSTests/microbenchmarks/math-hypot-common.js
       JSTests/microbenchmarks/math-hypot-epic.js
       JSTests/microbenchmarks/math-hypot-rare.js
       JSTests/microbenchmarks/math-hypot-uncommon.js
       JSTests/stress/math-hypot.js

* JSTests/microbenchmarks/math-hypot-common.js: Added.
(hypot2):
(hypot3):
* JSTests/microbenchmarks/math-hypot-epic.js: Added.
(hypot8):
(hypot9):
* JSTests/microbenchmarks/math-hypot-rare.js: Added.
(hypot6):
(hypot7):
* JSTests/microbenchmarks/math-hypot-uncommon.js: Added.
(hypot4):
(hypot5):
* JSTests/microbenchmarks/math-hypot.js: Removed.
* JSTests/stress/math-hypot.js: Added.
(shouldBe):
(i.generateObj):
* Source/JavaScriptCore/runtime/MathObject.cpp:
(JSC::JSC_DEFINE_HOST_FUNCTION):

Canonical link: https://commits.webkit.org/302558@main



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