On Tue, 3 Sep 2024 08:49:58 GMT, Francesco Nigro <d...@openjdk.org> wrote:
>> I've tried >> >> >> final long longValue = Byte.toUnsignedLong(value) * 0x0101010101010101L; >> >> >> But it had the same performance as explicit bit shifting on M1. > > @minborg the ` ELEM_SIZE` is a `Param` field right? Just to be 100% sure of > it... yes it is. But I think the reason we are not seeing any difference is that in the fill benchmarks, we are always using a value of zero. We should keep this trick in mind for later... ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/20712#discussion_r1741814268
