[x265] [PATCH] asm: luma_vpp[8x16, 8x32] in avx2: improve 1139c->774c, 1968c->1452c

[Steve Borho]

On 11/27, Divya Manivannan wrote:
> # HG changeset patch
> # User Divya Manivannan <divya at multicorewareinc.com>
> # Date 1417067356 -19800
> #      Thu Nov 27 11:19:16 2014 +0530
> # Node ID 973662a5e779d1760af93fc713606bc923155ec6
> # Parent  831ea7970a22281309721f41e21ddf31065cc4a5
> asm: luma_vpp[8x16, 8x32] in avx2: improve 1139c->774c, 1968c->1452c

this series of 4 patches has been pushed

> diff -r 831ea7970a22 -r 973662a5e779 source/common/x86/asm-primitives.cpp
> --- a/source/common/x86/asm-primitives.cpp	Thu Nov 27 10:40:13 2014 +0530
> +++ b/source/common/x86/asm-primitives.cpp	Thu Nov 27 11:19:16 2014 +0530
> @@ -1851,8 +1851,11 @@
>          p.luma_hpp[LUMA_48x64] = x265_interp_8tap_horiz_pp_48x64_avx2;
>  
>          p.luma_vpp[LUMA_4x4] = x265_interp_8tap_vert_pp_4x4_avx2;
> +
>          p.luma_vpp[LUMA_8x4] = x265_interp_8tap_vert_pp_8x4_avx2;
>          p.luma_vpp[LUMA_8x8] = x265_interp_8tap_vert_pp_8x8_avx2;
> +        p.luma_vpp[LUMA_8x16] = x265_interp_8tap_vert_pp_8x16_avx2;
> +        p.luma_vpp[LUMA_8x32] = x265_interp_8tap_vert_pp_8x32_avx2;
>      }
>  #endif // if HIGH_BIT_DEPTH
>  }
> diff -r 831ea7970a22 -r 973662a5e779 source/common/x86/ipfilter8.asm
> --- a/source/common/x86/ipfilter8.asm	Thu Nov 27 10:40:13 2014 +0530
> +++ b/source/common/x86/ipfilter8.asm	Thu Nov 27 11:19:16 2014 +0530
> @@ -4250,6 +4250,52 @@
>      RET
>  %endmacro
>  
> +%macro FILTER_VER_LUMA_AVX2_8xN 2
> +INIT_YMM avx2
> +cglobal interp_8tap_vert_pp_%1x%2, 4, 7, 8, 0-gprsize
> +    mov             r4d, r4m
> +    shl             r4d, 7
> +
> +%ifdef PIC
> +    lea             r5, [tab_LumaCoeffVer_32]
> +    add             r5, r4
> +%else
> +    lea             r5, [tab_LumaCoeffVer_32 + r4]
> +%endif
> +    lea             r4, [r1 * 3]
> +    sub             r0, r4
> +    lea             r6, [r1 * 4]
> +    mov             word [rsp], %2 / 8
> +    mova            m7, [pw_512]
> +
> +.loop:
> +    PROCESS_LUMA_AVX2_W8_8R
> +    pmulhrsw        m5, m7                          ; m5 = word: row 0, row 1
> +    pmulhrsw        m2, m7                          ; m2 = word: row 2, row 3
> +    pmulhrsw        m1, m7                          ; m1 = word: row 4, row 5
> +    pmulhrsw        m4, m7                          ; m4 = word: row 6, row 7
> +    packuswb        m5, m2
> +    packuswb        m1, m4
> +    vextracti128    xm2, m5, 1
> +    vextracti128    xm4, m1, 1
> +    movq            [r2], xm5
> +    movq            [r2 + r3], xm2
> +    lea             r2, [r2 + r3 * 2]
> +    movhps          [r2], xm5
> +    movhps          [r2 + r3], xm2
> +    lea             r2, [r2 + r3 * 2]
> +    movq            [r2], xm1
> +    movq            [r2 + r3], xm4
> +    lea             r2, [r2 + r3 * 2]
> +    movhps          [r2], xm1
> +    movhps          [r2 + r3], xm4
> +    lea             r2, [r2 + r3 * 2]
> +    sub             r0, r6
> +    dec             word [rsp]
> +    jnz             .loop
> +    RET
> +%endmacro
> +
>  INIT_YMM avx2
>  cglobal interp_8tap_vert_pp_8x8, 4, 6, 7
>      mov             r4d, r4m
> @@ -4327,11 +4373,13 @@
>  ; void interp_8tap_vert_pp_8x16(pixel *src, intptr_t srcStride, pixel *dst, intptr_t dstStride, int coeffIdx)
>  ;-------------------------------------------------------------------------------------------------------------
>  FILTER_VER_LUMA_8xN 8, 16, pp
> +FILTER_VER_LUMA_AVX2_8xN 8, 16
>  
>  ;-------------------------------------------------------------------------------------------------------------
>  ; void interp_8tap_vert_pp_8x32(pixel *src, intptr_t srcStride, pixel *dst, intptr_t dstStride, int coeffIdx)
>  ;-------------------------------------------------------------------------------------------------------------
>  FILTER_VER_LUMA_8xN 8, 32, pp
> +FILTER_VER_LUMA_AVX2_8xN 8, 32
>  
>  ;-------------------------------------------------------------------------------------------------------------
>  ; void interp_8tap_vert_ps_8x4(pixel *src, intptr_t srcStride, pixel *dst, intptr_t dstStride, int coeffIdx)
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-- 
Steve Borho