From: Grzegorz Bernacki <gjb@semihalf.com>
To: ffmpeg-devel@ffmpeg.org
Cc: gjb@semihalf.com, upstream@semihalf.com, jswinney@amazon.com,
hum@semihalf.com, martin@martin.st, mw@semihalf.com,
spop@amazon.com
Subject: [FFmpeg-devel] [PATCH v2 2/7] aarch64: me_cmp: Improve scheduling in ff_pix_abs8_y2_neon
Date: Mon, 3 Oct 2022 16:10:15 +0200
Message-ID: <20221003141020.3564715-3-gjb@semihalf.com> (raw)
In-Reply-To: <20221003141020.3564715-1-gjb@semihalf.com>
From: Martin Storsjö <martin@martin.st>
Before: Cortex A53 A72 A73
pix_abs_1_2_neon: 73.7 31.0 25.7
After:
pix_abs_1_2_neon: 61.7 30.2 24.7
Signed-off-by: Martin Storsjö <martin@martin.st>
---
libavcodec/aarch64/me_cmp_neon.S | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/libavcodec/aarch64/me_cmp_neon.S b/libavcodec/aarch64/me_cmp_neon.S
index 43e068bb7f..3662419edf 100644
--- a/libavcodec/aarch64/me_cmp_neon.S
+++ b/libavcodec/aarch64/me_cmp_neon.S
@@ -193,21 +193,20 @@ function ff_pix_abs8_y2_neon, export=1
1:
ld1 {v2.8b}, [x2], x3
ld1 {v0.8b}, [x1], x3
- ld1 {v6.8b}, [x1], x3
urhadd v30.8b, v1.8b, v2.8b
ld1 {v5.8b}, [x2], x3
- ld1 {v21.8b}, [x1], x3
+ ld1 {v6.8b}, [x1], x3
uabal v26.8h, v0.8b, v30.8b
urhadd v29.8b, v2.8b, v5.8b
ld1 {v20.8b}, [x2], x3
- ld1 {v24.8b}, [x1], x3
+ ld1 {v21.8b}, [x1], x3
uabal v26.8h, v6.8b, v29.8b
urhadd v28.8b, v5.8b, v20.8b
- uabal v26.8h, v21.8b, v28.8b
- ld1 {v23.8b}, [x2], x3
- mov v1.8b, v23.8b
+ ld1 {v1.8b}, [x2], x3
+ ld1 {v24.8b}, [x1], x3
+ urhadd v27.8b, v20.8b, v1.8b
sub w4, w4, #4
- urhadd v27.8b, v20.8b, v23.8b
+ uabal v26.8h, v21.8b, v28.8b
cmp w4, #4
uabal v26.8h, v24.8b, v27.8b
--
2.37.1
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next prev parent reply other threads:[~2022-10-03 14:11 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-03 14:10 [FFmpeg-devel] [PATCH v2 0/7] arm64 neon implementation for 8bits functions Grzegorz Bernacki
2022-10-03 14:10 ` [FFmpeg-devel] [PATCH v2 1/7] lavc/aarch64: Add neon implementation for pix_abs8 functions Grzegorz Bernacki
2022-10-03 14:10 ` Grzegorz Bernacki [this message]
2022-10-03 14:10 ` [FFmpeg-devel] [PATCH v2 3/7] aarch64: me_cmp: Fix up the prologue of ff_pix_abs8_xy2_neon Grzegorz Bernacki
2022-10-03 14:10 ` [FFmpeg-devel] [PATCH v2 4/7] lavc/aarch64: Provide neon implementation of nsse8 Grzegorz Bernacki
2022-10-03 14:10 ` [FFmpeg-devel] [PATCH v2 5/7] lavc/aarch64: Provide optimized implementation of vsse8 for arm64 Grzegorz Bernacki
2022-10-03 14:10 ` [FFmpeg-devel] [PATCH v2 6/7] lavc/aarch64: Add neon implementation for vsse_intra8 Grzegorz Bernacki
2022-10-03 14:10 ` [FFmpeg-devel] [PATCH v2 7/7] aarch64: me_cmp: Improve scheduling in vsse_intra8 Grzegorz Bernacki
2022-10-04 10:56 ` [FFmpeg-devel] [PATCH v2 0/7] arm64 neon implementation for 8bits functions Martin Storsjö
2022-10-04 11:34 ` Grzegorz Bernacki
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