Bug 149471 - Weirdly slow performance of raytracer
Summary: Weirdly slow performance of raytracer
Status: NEW
Alias: None
Product: WebKit
Classification: Unclassified
Component: JavaScriptCore (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Nobody
URL: https://nerget.com/rayjs-mt/rayjs.htm...
Keywords:
Depends on:
Blocks:
 
Reported: 2015-09-22 11:32 PDT by Oliver Hunt
Modified: 2015-09-22 16:28 PDT (History)
1 user (show)

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Description Oliver Hunt 2015-09-22 11:32:18 PDT 
The raytracer i wrote many eons ago now runs really slowly.

If the raytracing code is pushed into a worker thread the speed improves dramatically:
https://nerget.com/rayjs-mt/rayjs.html?canvasSize=256,numWorkers=1,animate=true,go

This code has not changed for many years, so i assume a perf regression somewhere in the stack.