On Wed, 22 Sep 2021 22:48:32 GMT, Smita Kamath <svkam...@openjdk.org> wrote:
>> Performance dropped up to 10% for 1k data after 8267125 for CPUs that do not >> support the new intrinsic. Tests run were crypto.full.AESGCMBench and >> crypto.full.AESGCMByteBuffer from the jmh micro benchmarks. >> >> The problem is each instance of GHASH allocates 96 extra longs for the >> AVX512+VAES intrinsic regardless if the intrinsic is used. This extra table >> space should be allocated differently so that non-supporting CPUs do not >> suffer this penalty. This issue also affects non-Intel CPUs too. > > Smita Kamath has updated the pull request incrementally with one additional > commit since the last revision: > > Added htbl_entries constant to other architectures Marked as reviewed by aph (Reviewer). ------------- PR: https://git.openjdk.java.net/jdk/pull/5402
