5 Aug
2022
5 Aug
'22
07:47
dieter wrote:
Thus I would propose raising the x86_64 architecture level to x86-64-v2 for openSUSE Factory. v2 requires CMPXCHG16B, [SL]AHF, POPCNT and SSE4_2 (and the predecessor SSE extensions) but not AVX, BMI or FMA. ... Comments welcome. Hi, Are there some data available about the actual benefit of this change? Therefore I think it would really be important to have some data about
On Thu, 28 Jul 2022 11:44:03 +0000 (UTC) Richard Biener wrote: the expected benefits for standard use cases on -v2 or -v3 CPUs.
https://openbenchmarking.org/result/2103142-HA-UARCHLEVE55 Only x86-64-v3 has good gains (sometimes).