RFR: 8222029: Optimize Math.floorMod
Joseph D. Darcy
joe.darcy at oracle.com
Mon Apr 8 23:35:46 UTC 2019
Should any additional cases be added to
test/jdk/java/lang/Math/DivModTests.java to cover the new implementation?
On 4/5/2019 10:21 AM, Claes Redestad wrote:
> On 2019-04-05 17:41, Andrew Haley wrote:
>> On 4/5/19 2:44 PM, Claes Redestad wrote:
>>> Testing: tier1-2, all Math tests run locally, -prof perfasm
>>> on the provided microbenchmark.
>> Looks good.
>> I've kicked the tyres on AArch64, and it looks like a useful
>> optimization. The
>> gains when the divisor is constant (a common case) are modest but
> Thanks for trying it out and glad to hear it helps on AArch64 as well.
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