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Revert "Deactivating AVX2 support by default"

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This reverts commit 3f8966f4ab.

Reason for revert: The issues identified during testing were found to be unrelated to the AVX2 code.

Original change's description:
> Deactivating AVX2 support by default
>
> This CL deactivates the AVX2 support by default due to issues identified
> during testing.
>
>
> Bug: webrtc:11663
> Change-Id: Ib42791a8da9a93c986f69bfc85def2158525af79
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/185818
> Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
> Reviewed-by: Niels Moller <nisse@webrtc.org>
> Commit-Queue: Per Åhgren <peah@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#32231}

TBR=mbonadei@webrtc.org,peah@webrtc.org,nisse@webrtc.org

Change-Id: I132c9e436cfb0145c8744902b2ea3bca8c8f0f79
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: webrtc:11663
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/186044
Reviewed-by: Per Åhgren <peah@webrtc.org>
Reviewed-by: Niels Moller <nisse@webrtc.org>
Commit-Queue: Per Åhgren <peah@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#32252}
This commit is contained in:
Per Åhgren 2020-09-30 10:30:15 +00:00 committed by Commit Bot
parent d5e6f413ab
commit c18be4a547
1 changed files with 1 additions and 1 deletions
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2
system_wrappers/source/cpu_features.cc
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@ -79,7 +79,7 @@ int GetCPUInfo(CPUFeature feature) {
}
#if defined(WEBRTC_ENABLE_AVX2)
if (feature == kAVX2 &&
webrtc::field_trial::IsEnabled("WebRTC-ActivateAvx2Support")) {
!webrtc::field_trial::IsEnabled("WebRTC-Avx2SupportKillSwitch")) {
int cpu_info7[4];
__cpuid(cpu_info7, 0);
int num_ids = cpu_info7[0];