---
Checks for EXTERNAL_AVX512ICL to prevent downclocking on Skylake
libswscale/x86/swscale.c| 7 +++
libswscale/x86/yuv2yuvX.asm | 19 ++-
2 files changed, 25 insertions(+), 1 deletion(-)
diff --git a/libswscale/x86/swscale.c b/libswscale/x86/swscale.c
index
Happy to add the check.
Thanks,
Alan
On Fri, Jul 14, 2023 at 4:59 PM James Almer wrote:
> On 7/14/2023 11:57 AM, Kieran Kunhya wrote:
> > On Fri, 14 Jul 2023 at 14:03, James Almer wrote:
> >
> >> On 7/14/2023 9:59 AM, Kieran Kunhya wrote:
> +#if ARCH_X86_64 && HAVE_AVX512_EXTERNAL
>
On 7/14/2023 11:57 AM, Kieran Kunhya wrote:
On Fri, 14 Jul 2023 at 14:03, James Almer wrote:
On 7/14/2023 9:59 AM, Kieran Kunhya wrote:
+#if ARCH_X86_64 && HAVE_AVX512_EXTERNAL
+if (EXTERNAL_AVX512(cpu_flags))
+c->yuv2planeX = yuv2yuvX_avx512;
#endif
You want
On Fri, 14 Jul 2023 at 14:03, James Almer wrote:
> On 7/14/2023 9:59 AM, Kieran Kunhya wrote:
> >> +#if ARCH_X86_64 && HAVE_AVX512_EXTERNAL
> >> +if (EXTERNAL_AVX512(cpu_flags))
> >> +c->yuv2planeX = yuv2yuvX_avx512;
> >> #endif
> >>
> >
> > You want EXTERNAL_AVX512ICL
On 7/14/2023 9:59 AM, Kieran Kunhya wrote:
+#if ARCH_X86_64 && HAVE_AVX512_EXTERNAL
+if (EXTERNAL_AVX512(cpu_flags))
+c->yuv2planeX = yuv2yuvX_avx512;
#endif
You want EXTERNAL_AVX512ICL here.
vpermt2q with zmm registers is avx512f and not any of the extensions, so
> +#if ARCH_X86_64 && HAVE_AVX512_EXTERNAL
> +if (EXTERNAL_AVX512(cpu_flags))
> +c->yuv2planeX = yuv2yuvX_avx512;
> #endif
>
You want EXTERNAL_AVX512ICL here.
Kieran
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---
libswscale/x86/swscale.c| 7 +++
libswscale/x86/yuv2yuvX.asm | 19 ++-
2 files changed, 25 insertions(+), 1 deletion(-)
diff --git a/libswscale/x86/swscale.c b/libswscale/x86/swscale.c
index 8c67bf4fab..52423a1199 100644
--- a/libswscale/x86/swscale.c
+++
