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name old time/op new time/op delta
CopyOver-4 1.18ms ± 0% 1.52ms ± 0% +28.49% (p=0.008 n=5+5)
Bisecting from tip leads to b1df8d6.
This is regression from go1.10.2.
Performance delta is shown for b1df8d6 itself and it's parent (previous commit).
Single IMUL is rewritten into mov+shift+lea.
I can't reliably reproduce those results in free context, but they're stable for CopyOver.
The text was updated successfully, but these errors were encountered:
Duplicate of #21735?
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I'm reporting regression and it hopefully can be fixed.
Shouldn't be unnoticed.
At the very least it adds related benchmark that can be used to check the results.
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