[x265] [PATCH] asm: avx2 code for sad[64x16] and sad[64x32] for 10 bpp

Sumalatha Polureddy sumalatha at multicorewareinc.com
Thu May 14 07:13:02 CEST 2015


Ignore this patch, will send the new patch with change in commit message

Regards
Sumalatha

On Thu, May 14, 2015 at 10:31 AM, <sumalatha at multicorewareinc.com> wrote:

> # HG changeset patch
> # User Sumalatha Polureddy
> # Date 1431579689 -19800
> #      Thu May 14 10:31:29 2015 +0530
> # Node ID 14362a71b78fe24ea4215051815a7171a0c1f485
> # Parent  479087422e29a672d6e9bc8d0cd2a65649d71fe2
> asm: avx2 code for sad[64x16] and sad[64x32] for 10 bpp
>
> sse2
> sad[64x16]  2.45x    3620.17         8851.77
>
> avx2
> sad[64x16]  7.00x    1279.94         8961.61
>
> diff -r 479087422e29 -r 14362a71b78f source/common/x86/asm-primitives.cpp
> --- a/source/common/x86/asm-primitives.cpp      Wed May 13 16:52:59 2015
> -0700
> +++ b/source/common/x86/asm-primitives.cpp      Thu May 14 10:31:29 2015
> +0530
> @@ -1284,6 +1284,7 @@
>          p.pu[LUMA_32x24].sad = x265_pixel_sad_32x24_avx2;
>          p.pu[LUMA_32x32].sad = x265_pixel_sad_32x32_avx2;
>          p.pu[LUMA_32x64].sad = x265_pixel_sad_32x64_avx2;
> +        p.pu[LUMA_64x16].sad = x265_pixel_sad_64x16_avx2;
>
>          p.pu[LUMA_16x4].convert_p2s = x265_filterPixelToShort_16x4_avx2;
>          p.pu[LUMA_16x8].convert_p2s = x265_filterPixelToShort_16x8_avx2;
> diff -r 479087422e29 -r 14362a71b78f source/common/x86/sad16-a.asm
> --- a/source/common/x86/sad16-a.asm     Wed May 13 16:52:59 2015 -0700
> +++ b/source/common/x86/sad16-a.asm     Thu May 14 10:31:29 2015 +0530
> @@ -763,6 +763,56 @@
>      movd    eax, xm0
>      RET
>
> +INIT_YMM avx2
> +cglobal pixel_sad_64x16, 4, 5, 5
> +    pxor    m0, m0
> +    mov     r4d, 16 / 2
> +    add     r3d, r3d
> +    add     r1d, r1d
> +.loop:
> +    movu    m1, [r2 + 0]
> +    movu    m2, [r2 + 32]
> +    movu    m3, [r2 + 2 * 32]
> +    movu    m4, [r2 + 3 * 32]
> +    psubw   m1, [r0 + 0]
> +    psubw   m2, [r0 + 32]
> +    psubw   m3, [r0 + 2 * 32]
> +    psubw   m4, [r0 + 3 * 32]
> +    pabsw   m1, m1
> +    pabsw   m2, m2
> +    pabsw   m3, m3
> +    pabsw   m4, m4
> +    paddw   m1, m2
> +    paddw   m3, m4
> +    paddw   m0, m1
> +    paddw   m0, m3
> +    movu    m1, [r2 + r3]
> +    movu    m2, [r2 + r3 + 32]
> +    movu    m3, [r2 + r3 + 64]
> +    movu    m4, [r2 + r3 + 96]
> +    psubw   m1, [r0 + r1]
> +    psubw   m2, [r0 + r1 + 32]
> +    psubw   m3, [r0 + r1 + 64]
> +    psubw   m4, [r0 + r1 + 96]
> +    pabsw   m1, m1
> +    pabsw   m2, m2
> +    pabsw   m3, m3
> +    pabsw   m4, m4
> +    paddw   m1, m2
> +    paddw   m3, m4
> +    paddw   m0, m1
> +    paddw   m0, m3
> +    lea     r0, [r0 + 2 * r1]
> +    lea     r2, [r2 + 2 * r3]
> +
> +    dec    r4d
> +    jg     .loop
> +
> +    HADDUWD m0, m1
> +    HADDD   m0, m1
> +    movd    eax, xm0
> +    RET
> +
>  ;------------------------------------------------------------------
>  ; int pixel_sad_32xN( uint16_t *, intptr_t, uint16_t *, intptr_t )
>  ;------------------------------------------------------------------
>
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