[x265] [PATCH 16 of 16] asm: improve sao stats compute by SIMD
Steve Borho
steve at borho.org
Wed Oct 7 18:49:15 CEST 2015
On 10/07, chen wrote:
> in IACA report, just ~3 cycles
I think Pradeep meant for the whole series of patches
> At 2015-10-07 16:49:24,"Pradeep Ramachandran" <pradeep at multicorewareinc.com> wrote:
>
> Min,
> Do you see a performance improvement through this sequence of patches?
>
>
> Pradeep Ramachandran, PhD
> Solution Architect,
> pradeeprama.info/
> www.multicorewareinc.com/
> Ph: +91 99627 82018
>
>
> On Wed, Oct 7, 2015 at 4:25 AM, Min Chen <chenm003 at 163.com> wrote:
> # HG changeset patch
> # User Min Chen <chenm003 at 163.com>
> # Date 1444170873 18000
> # Node ID f2158e8c15efde0991cb06033399e9256f54ad7e
> # Parent 36a54b2cf7c4c96067bafb67077651d30d83e8e9
> asm: improve sao stats compute by SIMD
> ---
> source/common/x86/loopfilter.asm | 124 +++++++++++++++-----------------------
> 1 files changed, 49 insertions(+), 75 deletions(-)
>
> diff -r 36a54b2cf7c4 -r f2158e8c15ef source/common/x86/loopfilter.asm
> --- a/source/common/x86/loopfilter.asm Tue Oct 06 16:42:06 2015 -0500
> +++ b/source/common/x86/loopfilter.asm Tue Oct 06 17:34:33 2015 -0500
> @@ -2112,25 +2112,19 @@
> mov r0, r6mp
>
> ; s_eoTable = {1, 2, 0, 3, 4}
> - movzx r5d, word [rsp + 0 * 2]
> - add [r0 + 1 * 4], r5d
> - movzx r6d, word [rsp + 1 * 2]
> - add [r0 + 2 * 4], r6d
> - movzx r5d, word [rsp + 2 * 2]
> - add [r0 + 0 * 4], r5d
> - movzx r6d, word [rsp + 3 * 2]
> - add [r0 + 3 * 4], r6d
> + pmovzxwd m0, [rsp + 0 * 2]
> + pshufd m0, m0, q3102
> + movu m1, [r0]
> + paddd m0, m1
> + movu [r0], m0
> movzx r5d, word [rsp + 4 * 2]
> add [r0 + 4 * 4], r5d
>
> - mov r6d, [rsp + 5 * 2 + 0 * 4]
> - add [r9 + 1 * 4], r6d
> - mov r5d, [rsp + 5 * 2 + 1 * 4]
> - add [r9 + 2 * 4], r5d
> - mov r6d, [rsp + 5 * 2 + 2 * 4]
> - add [r9 + 0 * 4], r6d
> - mov r5d, [rsp + 5 * 2 + 3 * 4]
> - add [r9 + 3 * 4], r5d
> + movu m0, [rsp + 5 * 2 + 0 * 4]
> + pshufd m0, m0, q3102
> + movu m1, [r9]
> + paddd m0, m1
> + movu [r9], m0
> mov r6d, [rsp + 5 * 2 + 4 * 4]
> add [r9 + 4 * 4], r6d
> RET
> @@ -2219,25 +2213,19 @@
> mov r0, r7m
>
> ; s_eoTable = {1,2,0,3,4}
> - movzx r6d, word [rsp + 0 * 2]
> - add [r0 + 1 * 4], r6d
> - movzx r6d, word [rsp + 1 * 2]
> - add [r0 + 2 * 4], r6d
> - movzx r6d, word [rsp + 2 * 2]
> - add [r0 + 0 * 4], r6d
> - movzx r6d, word [rsp + 3 * 2]
> - add [r0 + 3 * 4], r6d
> - movzx r6d, word [rsp + 4 * 2]
> - add [r0 + 4 * 4], r6d
> -
> - mov r6d, [rsp + 5 * 2 + 0 * 4]
> - add [r1 + 1 * 4], r6d
> - mov r6d, [rsp + 5 * 2 + 1 * 4]
> - add [r1 + 2 * 4], r6d
> - mov r6d, [rsp + 5 * 2 + 2 * 4]
> - add [r1 + 0 * 4], r6d
> - mov r6d, [rsp + 5 * 2 + 3 * 4]
> - add [r1 + 3 * 4], r6d
> + pmovzxwd m0, [rsp + 0 * 2]
> + pshufd m0, m0, q3102
> + movu m1, [r0]
> + paddd m0, m1
> + movu [r0], m0
> + movzx r5d, word [rsp + 4 * 2]
> + add [r0 + 4 * 4], r5d
> +
> + movu m0, [rsp + 5 * 2 + 0 * 4]
> + pshufd m0, m0, q3102
> + movu m1, [r1]
> + paddd m0, m1
> + movu [r1], m0
> mov r6d, [rsp + 5 * 2 + 4 * 4]
> add [r1 + 4 * 4], r6d
> RET
> @@ -2379,33 +2367,25 @@
> mov r0, r8m
>
> ; s_eoTable = {1,2,0,3,4}
> - movzx r6d, word [rsp + 0 * 2]
> - add [r0 + 1 * 4], r6d
> - movzx r6d, word [rsp + 1 * 2]
> - add [r0 + 2 * 4], r6d
> - movzx r6d, word [rsp + 2 * 2]
> - add [r0 + 0 * 4], r6d
> - movzx r6d, word [rsp + 3 * 2]
> - add [r0 + 3 * 4], r6d
> - movzx r6d, word [rsp + 4 * 2]
> - add [r0 + 4 * 4], r6d
> -
> - mov r6d, [rsp + 5 * 2 + 0 * 4]
> - add [r1 + 1 * 4], r6d
> - mov r6d, [rsp + 5 * 2 + 1 * 4]
> - add [r1 + 2 * 4], r6d
> - mov r6d, [rsp + 5 * 2 + 2 * 4]
> - add [r1 + 0 * 4], r6d
> - mov r6d, [rsp + 5 * 2 + 3 * 4]
> - add [r1 + 3 * 4], r6d
> + pmovzxwd m0, [rsp + 0 * 2]
> + pshufd m0, m0, q3102
> + movu m1, [r0]
> + paddd m0, m1
> + movu [r0], m0
> + movzx r5d, word [rsp + 4 * 2]
> + add [r0 + 4 * 4], r5d
> +
> + movu m0, [rsp + 5 * 2 + 0 * 4]
> + pshufd m0, m0, q3102
> + movu m1, [r1]
> + paddd m0, m1
> + movu [r1], m0
> mov r6d, [rsp + 5 * 2 + 4 * 4]
> add [r1 + 4 * 4], r6d
> RET
> %endif ; ARCH_X86_64
>
>
> -
> -
> ;void saoStatE3(const int16_t *diff, const pixel *rec, intptr_t stride, int8_t *upBuff1, int endX, int endY, int32_t *stats, int32_t *count);
> ;{
> ; memset(tmp_stats, 0, sizeof(tmp_stats));
> @@ -2520,25 +2500,19 @@
> mov r0, r7m
>
> ; s_eoTable = {1,2,0,3,4}
> - movzx r6d, word [rsp + 0 * 2]
> - add [r0 + 1 * 4], r6d
> - movzx r6d, word [rsp + 1 * 2]
> - add [r0 + 2 * 4], r6d
> - movzx r6d, word [rsp + 2 * 2]
> - add [r0 + 0 * 4], r6d
> - movzx r6d, word [rsp + 3 * 2]
> - add [r0 + 3 * 4], r6d
> - movzx r6d, word [rsp + 4 * 2]
> - add [r0 + 4 * 4], r6d
> -
> - mov r6d, [rsp + 5 * 2 + 0 * 4]
> - add [r1 + 1 * 4], r6d
> - mov r6d, [rsp + 5 * 2 + 1 * 4]
> - add [r1 + 2 * 4], r6d
> - mov r6d, [rsp + 5 * 2 + 2 * 4]
> - add [r1 + 0 * 4], r6d
> - mov r6d, [rsp + 5 * 2 + 3 * 4]
> - add [r1 + 3 * 4], r6d
> + pmovzxwd m0, [rsp + 0 * 2]
> + pshufd m0, m0, q3102
> + movu m1, [r0]
> + paddd m0, m1
> + movu [r0], m0
> + movzx r5d, word [rsp + 4 * 2]
> + add [r0 + 4 * 4], r5d
> +
> + movu m0, [rsp + 5 * 2 + 0 * 4]
> + pshufd m0, m0, q3102
> + movu m1, [r1]
> + paddd m0, m1
> + movu [r1], m0
> mov r6d, [rsp + 5 * 2 + 4 * 4]
> add [r1 + 4 * 4], r6d
> RET
>
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--
Steve Borho
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