From: Lynne <dev@lynne.ee>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH 2/2 v2] x86/takdsp: add avx2 versions of all functions
Date: Sat, 23 Dec 2023 11:44:38 +0100 (CET)
Message-ID: <NmLGiXi--3-9@lynne.ee> (raw)
In-Reply-To: <20231222235259.2328-1-jamrial@gmail.com>
Dec 23, 2023, 00:53 by jamrial@gmail.com:
> On an Intel Core i7 12700k:
>
> decorrelate_ls_c: 814.3
> decorrelate_ls_sse2: 165.8
> decorrelate_ls_avx2: 101.3
> decorrelate_sf_c: 1602.6
> decorrelate_sf_sse4: 640.1
> decorrelate_sf_avx2: 324.6
> decorrelate_sm_c: 1564.8
> decorrelate_sm_sse2: 379.3
> decorrelate_sm_avx2: 203.3
> decorrelate_sr_c: 785.3
> decorrelate_sr_sse2: 176.3
> decorrelate_sr_avx2: 99.8
>
> Signed-off-by: James Almer <jamrial@gmail.com>
>
Even better on a Zen3:
checkasm: all 8 tests passed
decorrelate_ls_c: 111.1
decorrelate_ls_sse2: 272.6
decorrelate_ls_avx2: 94.1
decorrelate_sf_c: 170.6
decorrelate_sf_sse4: 400.1
decorrelate_sf_avx2: 196.1
decorrelate_sm_c: 187.6
decorrelate_sm_sse2: 383.1
decorrelate_sm_avx2: 179.1
decorrelate_sr_c: 102.6
decorrelate_sr_sse2: 272.6
decorrelate_sr_avx2: 94.1
Tested, decoding works fine too, LGTM
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next prev parent reply other threads:[~2023-12-23 10:44 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-22 1:15 [FFmpeg-devel] [PATCH 1/2] checkasm/takdsp: add decorrelate_sf test James Almer
2023-12-22 1:15 ` [FFmpeg-devel] [PATCH 2/2] x86/takdsp: add avx2 versions of all functions James Almer
2023-12-22 23:08 ` Michael Niedermayer
2023-12-22 23:30 ` James Almer
2023-12-22 23:52 ` [FFmpeg-devel] [PATCH 2/2 v2] " James Almer
2023-12-23 10:44 ` Lynne [this message]
2023-12-23 11:46 ` Andreas Rheinhardt
2023-12-22 9:52 ` [FFmpeg-devel] [PATCH 1/2] checkasm/takdsp: add decorrelate_sf test Martin Storsjö
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