On Thu, 1 Jul 2021 23:46:00 GMT, Brian Burkhalter wrote:
> Please consider this proposal to remove the fast path in
> `java.lang.Math.multiplyHigh()` the small performance improvement of which is
> eclipsed by the branch penalty.
Marked as reviewed by darcy (Reviewer).
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PR:
On Thu, 1 Jul 2021 23:46:00 GMT, Brian Burkhalter wrote:
> Please consider this proposal to remove the fast path in
> `java.lang.Math.multiplyHigh()` the small performance improvement of which is
> eclipsed by the branch penalty.
Marked as reviewed by rriggs (Reviewer).
-
PR:
On Thu, 1 Jul 2021 23:46:00 GMT, Brian Burkhalter wrote:
> Please consider this proposal to remove the fast path in
> `java.lang.Math.multiplyHigh()` the small performance improvement of which is
> eclipsed by the branch penalty.
Please refer to the issue for a benchmark and sample output
Please consider this proposal to remove the fast path in
`java.lang.Math.multiplyHigh()` the small performance improvement of which is
eclipsed by the branch penalty.
-
Commit messages:
- 8188046: java.lang.Math.mutliplyHigh does not run in constant time
Changes:
