---------- Forwarded message --------- From: Maamoun TK <maamoun...@googlemail.com> Date: Sat, Jul 17, 2021 at 2:00 PM Subject: Re: [S390x] Optimize GHASH To: Niels Möller <ni...@lysator.liu.se>
On Sat, Jul 17, 2021 at 1:37 PM Niels Möller <ni...@lysator.liu.se> wrote: > Maamoun TK <maamoun...@googlemail.com> writes: > > In another topic, I've optimized the SHA-512 algorithm for arm64 > > architecture but it turned out all CFarm variants don't support SHA-512 > > crypto extension so I can't do any performance or correctness testing for > > now. Do you know any CFarm alternative that supports SHA-512 and SHA3 > > extensions for arm64 architectures? > > Can you do correctness tests on qemu? (I've been using a crosscompiler > and qemu-user to test other ARM code, and that's also what the ci tests > do). > Sure, but I'm also concerned about the performance testing. I was always trying to get the best performance out of hardware-accelerated cores. > I have access to the systems listed on > https://gmplib.org/devel/testsystems, is any of those applicable? The > arm64 machines available includes one Cortex-A73 and one Apple M1. > Cortex-A73 doesn't support SHA-512 and SHA3 List of ARM microarchitectures - Wikipedia <https://en.wikipedia.org/wiki/List_of_ARM_microarchitectures> Cortex-A75 is the minimum architecture that has a full implementation of ARMv8.2-A which is the arch that introduced SHA-512 and SHA3 AArch64 Options (Using the GNU Compiler Collection (GCC)) <https://gcc.gnu.org/onlinedocs/gcc/AArch64-Options.html> Cortex-A55 should support those extensions according to the list. _______________________________________________ nettle-bugs mailing list nettle-bugs@lists.lysator.liu.se http://lists.lysator.liu.se/mailman/listinfo/nettle-bugs
