[x265] [PATCH] asm: chroma_hpp[8x4, 8x16, 8x32] for i420 avx2 - improved 289c->220c, 928c->618c, 1802c->1128c

chen chenm003 at 163.com
Fri Mar 13 03:04:54 CET 2015


right

At 2015-03-12 19:19:57,aasaipriya at multicorewareinc.com wrote:
># HG changeset patch
># User Aasaipriya Chandran <aasaipriya at multicorewareinc.com>
># Date 1426159175 -19800
>#      Thu Mar 12 16:49:35 2015 +0530
># Node ID 24785f4ec5a619b414b40877c2dd7c909251bfa8
># Parent  98ef176469d644d04c000365e35b814fb46e5fee
>asm: chroma_hpp[8x4, 8x16, 8x32] for i420 avx2 - improved 289c->220c, 928c->618c, 1802c->1128c
>
>diff -r 98ef176469d6 -r 24785f4ec5a6 source/common/x86/asm-primitives.cpp
>--- a/source/common/x86/asm-primitives.cpp	Thu Mar 12 15:37:51 2015 +0530
>+++ b/source/common/x86/asm-primitives.cpp	Thu Mar 12 16:49:35 2015 +0530
>@@ -1590,6 +1590,10 @@
>         p.chroma[X265_CSP_I420].pu[CHROMA_420_4x8].filter_hpp = x265_interp_4tap_horiz_pp_4x8_avx2;
>         p.chroma[X265_CSP_I420].pu[CHROMA_420_4x16].filter_hpp = x265_interp_4tap_horiz_pp_4x16_avx2;
> 
>+        p.chroma[X265_CSP_I420].pu[CHROMA_420_8x4].filter_hpp = x265_interp_4tap_horiz_pp_8x4_avx2;
>+        p.chroma[X265_CSP_I420].pu[CHROMA_420_8x16].filter_hpp = x265_interp_4tap_horiz_pp_8x16_avx2;
>+        p.chroma[X265_CSP_I420].pu[CHROMA_420_8x32].filter_hpp = x265_interp_4tap_horiz_pp_8x32_avx2;
>+
>         p.chroma[X265_CSP_I420].pu[CHROMA_420_32x32].filter_hps = x265_interp_4tap_horiz_ps_32x32_avx2;
>         p.chroma[X265_CSP_I420].pu[CHROMA_420_16x16].filter_hps = x265_interp_4tap_horiz_ps_16x16_avx2;
>         p.chroma[X265_CSP_I420].pu[CHROMA_420_4x4].filter_hps = x265_interp_4tap_horiz_ps_4x4_avx2;
>diff -r 98ef176469d6 -r 24785f4ec5a6 source/common/x86/ipfilter8.asm
>--- a/source/common/x86/ipfilter8.asm	Thu Mar 12 15:37:51 2015 +0530
>+++ b/source/common/x86/ipfilter8.asm	Thu Mar 12 16:49:35 2015 +0530
>@@ -1635,6 +1635,82 @@
> 
> IPFILTER_CHROMA_PP_4xN_AVX2  4 , 8
> IPFILTER_CHROMA_PP_4xN_AVX2  4 , 16
>+
>+;-------------------------------------------------------------------------------------------------------------
>+; void interp_4tap_horiz_pp_8xN(pixel *src, intptr_t srcStride, int16_t *dst, intptr_t dstStride, int coeffIdx
>+;-------------------------------------------------------------------------------------------------------------
>+%macro IPFILTER_CHROMA_PP_8xN_AVX2 2
>+INIT_YMM avx2
>+cglobal interp_4tap_horiz_pp_%1x%2, 4,6,6
>+    mov               r4d,    r4m
>+
>+%ifdef PIC
>+    lea               r5,           [tab_ChromaCoeff]
>+    vpbroadcastd      m0,           [r5 + r4 * 4]
>+%else
>+    vpbroadcastd      m0,           [tab_ChromaCoeff + r4 * 4]
>+%endif
>+
>+    movu              m1,           [tab_Tm]
>+    vpbroadcastd      m2,           [pw_1]
>+    ; register map
>+    ; m0 - interpolate coeff
>+    ; m1 - shuffle order table
>+    ; m2 - constant word 1
>+
>+    sub               r0,           1
>+    mov               r4d,          %2
>+
>+.loop:
>+    sub               r4d,          4
>+    ; Row 0
>+    vbroadcasti128    m3,           [r0]                        ; [x x x x x A 9 8 7 6 5 4 3 2 1 0]
>+    pshufb            m3,           m1
>+    pmaddubsw         m3,           m0
>+    pmaddwd           m3,           m2
>+
>+    ; Row 1
>+    vbroadcasti128    m4,           [r0 + r1]                        ; [x x x x x A 9 8 7 6 5 4 3 2 1 0]
>+    pshufb            m4,           m1
>+    pmaddubsw         m4,           m0
>+    pmaddwd           m4,           m2
>+    packssdw          m3,           m4
>+    pmulhrsw          m3,           [pw_512]
>+    lea               r0,           [r0 + r1 * 2]
>+
>+    ; Row 2
>+    vbroadcasti128    m4,           [r0 ]                        ; [x x x x x A 9 8 7 6 5 4 3 2 1 0]
>+    pshufb            m4,           m1
>+    pmaddubsw         m4,           m0
>+    pmaddwd           m4,           m2
>+
>+    ; Row 3
>+    vbroadcasti128    m5,           [r0 + r1]                        ; [x x x x x A 9 8 7 6 5 4 3 2 1 0]
>+    pshufb            m5,           m1
>+    pmaddubsw         m5,           m0
>+    pmaddwd           m5,           m2
>+    packssdw          m4,           m5
>+    pmulhrsw          m4,           [pw_512]
>+
>+    packuswb          m3,           m4
>+    mova              m5,           [interp_4tap_8x8_horiz_shuf]
>+    vpermd            m3,           m5,     m3
>+    vextracti128      xm4,          m3,     1
>+    movq              [r2],         xm3
>+    movhps            [r2 + r3],    xm3
>+    lea               r2,           [r2 + r3 * 2]
>+    movq              [r2],         xm4
>+    movhps            [r2 + r3],    xm4
>+    lea               r2,           [r2 + r3 * 2]
>+    lea               r0,           [r0 + r1*2]
>+    test              r4d,          r4d
>+    jnz               .loop
>+    RET
>+%endmacro
>+
>+IPFILTER_CHROMA_PP_8xN_AVX2   8 , 16
>+IPFILTER_CHROMA_PP_8xN_AVX2   8 , 32
>+IPFILTER_CHROMA_PP_8xN_AVX2   8 , 4
> INIT_YMM avx2
> cglobal interp_4tap_horiz_pp_32x32, 4,6,7
>     mov             r4d, r4m
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