Z Nguyen-Huu
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0df0c8e3bc
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Optimize array.reduce, array.reduceRight to sealed, frozen object
Use FastJSArrayForRead pattern.
Add test of array.reduce, array.reduceRight for non-extensible, sealed, frozen objects similar to mjsunit/array-reduce.js
~3x perf improvement in JSTests/ObjectFreeze micro-benchmark
Before:
ArrayReduce
ArrayReduce-Numbers(Score): 0.0740
ArrayReduceRight
ArrayReduceRight-Numbers(Score): 0.0767
After:
ArrayReduce
ArrayReduce-Numbers(Score): 0.249
ArrayReduceRight
ArrayReduceRight-Numbers(Score): 0.261
Bug: v8:6831
Change-Id: I98f54f010256993fcd05bb24be968fb2d0f5c966
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1656851
Commit-Queue: Z Nguyen-Huu <duongn@microsoft.com>
Reviewed-by: Simon Zünd <szuend@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62158}
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2019-06-13 19:23:50 +00:00 |
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