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ca90758b2a
This patch uses 'Avoid_Non_Temporal_Memset' flag to access the non-temporal memset implementation for hygon processors. Test Results: hygon1 arch x86_memset_non_temporal_threshold = 8MB size new performance time / old performance time 1MB 0.994 4MB 0.996 8MB 0.670 16MB 0.343 32MB 0.355 hygon2 arch x86_memset_non_temporal_threshold = 8MB size new performance time / old performance time 1MB 1 4MB 1 8MB 1.312 16MB 0.822 32MB 0.830 hygon3 arch x86_memset_non_temporal_threshold = 8MB size new performance time / old performance time 1MB 1 4MB 0.990 8MB 0.737 16MB 0.390 32MB 0.401 For hygon arch with this patch, non-temporal stores can improve performance by 20% - 65%. Signed-off-by: Feifei Wang <wangfeifei@hygon.cn> Reviewed-by: Jing Li <lijing@hygon.cn> Reviewed-by: H.J. Lu <hjl.tools@gmail.com> |
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| gnu | ||
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| sh | ||
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| wordsize-32 | ||
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| x86_64 | ||