Re: [PATCH v4 0/2] Add AVX512F optimization option and buffer_zero_avx512()

2020-03-06 Thread Paolo Bonzini
On 29/02/20 13:34, Robert Hoo wrote: > 1) Introduce {enable,disable}-avx512f configure option > > 2) Implement new buffer_zero_avx512() with AVX512F instructions > > Changes in v4: > In init_cpuid_cache(), stringently test AVX512F OS level enablement. > > Changes in v3: > In init_accel(), init l

[PATCH v4 0/2] Add AVX512F optimization option and buffer_zero_avx512()

2020-02-29 Thread Robert Hoo
1) Introduce {enable,disable}-avx512f configure option 2) Implement new buffer_zero_avx512() with AVX512F instructions Changes in v4: In init_cpuid_cache(), stringently test AVX512F OS level enablement. Changes in v3: In init_accel(), init length_to_accel value in every accel case, because in un