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Commit dd5cf757 authored by Treehugger Robot's avatar Treehugger Robot Committed by Gerrit Code Review
Browse files

Merge "Disabled avx avx2 avx512 compiler flags by default. Library components... 

Merge "Disabled avx avx2 avx512 compiler flags by default. Library components can enable the flags based on performance impact"
parents 35bb770e 7e84969f

cc/config/x86_64_device.go

+9 −3
Original line number Diff line number Diff line
@@ -67,10 +67,16 @@ var ( 
		"sse4":   []string{"-msse4"},

		"sse4_1": []string{"-msse4.1"},

		"sse4_2": []string{"-msse4.2"},



		// Not all cases there is performance gain by enabling -mavx -mavx2

		// flags so these flags are not enabled by default.

		// if there is performance gain in individual library components,

		// the compiler flags can be set in corresponding bp files.

		// "avx":    []string{"-mavx"},

		// "avx2":   []string{"-mavx2"},

		// "avx512": []string{"-mavx512"}



		"popcnt": []string{"-mpopcnt"},

		"avx":    []string{"-mavx"},

		"avx2":   []string{"-mavx2"},

		"avx512": []string{"-mavx512"},

		"aes_ni": []string{"-maes"},

	}

)

cc/config/x86_device.go

+9 −2
Original line number Diff line number Diff line
@@ -86,8 +86,15 @@ var ( 
		"sse4":   []string{"-msse4"},

		"sse4_1": []string{"-msse4.1"},

		"sse4_2": []string{"-msse4.2"},

		"avx":    []string{"-mavx"},

		"avx2":   []string{"-mavx2"},



		// Not all cases there is performance gain by enabling -mavx -mavx2

		// flags so these flags are not enabled by default.

		// if there is performance gain in individual library components,

		// the compiler flags can be set in corresponding bp files.

		// "avx":    []string{"-mavx"},

		// "avx2":   []string{"-mavx2"},

		// "avx512": []string{"-mavx512"}



		"aes_ni": []string{"-maes"},

	}

)