Re: BLAKE3 hash
| From: | Hans Henrik Bergan | Date: | Fri, 26 Jan 2024 19:52:35 +0000 |
| Subject: | Re: BLAKE3 hash | ||
| References: | 1 2 3 4 5 6 7 8 9 10 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-122260@lists.php.net to get a copy of this message | ||
just tested ARM Neon optimizations on Oracle Cloud's cheapest ARM VPS:
VM.Standard.A1.Flex, Ubuntu 22.04, GCC11.4,
results:
-O2 portable: 596MB/s
-O2 -march=native portable: 601MB/s
-O2 ARM Neon optimized implementation: 1138MB/s
Again, even with -march=native, the compiler cannot make the portable
implementation nearly as fast as the hand-optimized cpu-specific
implementation.