[x265] [PATCH 1 of 2] asm:intra pred planar32 sse2

chen chenm003 at 163.com
Thu Mar 12 23:16:21 CET 2015


I use 'pxor m7,m7' to replace your [pb_0], but it is same cycles in IACA, the bottleneck on Port0
Not sure how about performance on old CPU

At 2015-03-13 02:50:17,dtyx265 at gmail.com wrote:
># HG changeset patch
># User David T Yuen <dtyx265 at gmail.com>
># Date 1426185653 25200
># Node ID 19f7f03f9159d785f409c7b30818055355496d10
># Parent  78f9c9fad129b89c6fe1ade3d59f3619bdf210b3
>asm:intra pred planar32 sse2
>
>This replaces c code for systems using ssse3 to sse2 processors
>The code is backported from intrapred planar32 sse4
>
>There are essentially are two versions here.
>One for x86_64 and one for x86_32.  It would have been too ugly
>to conditionally code the differences in a single primitive.
>
>64-bit
>
>./test/TestBench --testbench intrapred | grep intra_planar_32x32
>intra_planar_32x32	10.98x 	 11040.43 	 121185.93
>
>32-bit
>
>./test/TestBench --testbench intrapred | grep intra_planar_32x32
>intra_planar_32x32	9.98x 	 9910.00  	 98919.45
>
>diff -r 78f9c9fad129 -r 19f7f03f9159 source/common/x86/asm-primitives.cpp
>--- a/source/common/x86/asm-primitives.cpp	Wed Mar 11 18:08:03 2015 +0530
>+++ b/source/common/x86/asm-primitives.cpp	Thu Mar 12 11:40:53 2015 -0700
>@@ -1193,6 +1193,7 @@
>         p.cu[BLOCK_4x4].intra_pred[PLANAR_IDX] = x265_intra_pred_planar4_sse2;
>         p.cu[BLOCK_8x8].intra_pred[PLANAR_IDX] = x265_intra_pred_planar8_sse2;
>         p.cu[BLOCK_16x16].intra_pred[PLANAR_IDX] = x265_intra_pred_planar16_sse2;
>+        p.cu[BLOCK_32x32].intra_pred[PLANAR_IDX] = x265_intra_pred_planar32_sse2;
> 
>         p.cu[BLOCK_4x4].calcresidual = x265_getResidual4_sse2;
>         p.cu[BLOCK_8x8].calcresidual = x265_getResidual8_sse2;
>diff -r 78f9c9fad129 -r 19f7f03f9159 source/common/x86/intrapred.h
>--- a/source/common/x86/intrapred.h	Wed Mar 11 18:08:03 2015 +0530
>+++ b/source/common/x86/intrapred.h	Thu Mar 12 11:40:53 2015 -0700
>@@ -38,6 +38,7 @@
> void x265_intra_pred_planar4_sse2(pixel* dst, intptr_t dstStride, const pixel* srcPix, int, int);
> void x265_intra_pred_planar8_sse2(pixel* dst, intptr_t dstStride, const pixel* srcPix, int, int);
> void x265_intra_pred_planar16_sse2(pixel* dst, intptr_t dstStride, const pixel* srcPix, int, int);
>+void x265_intra_pred_planar32_sse2(pixel* dst, intptr_t dstStride, const pixel* srcPix, int, int);
> void x265_intra_pred_planar4_sse4(pixel* dst, intptr_t dstStride, const pixel* srcPix, int, int);
> void x265_intra_pred_planar8_sse4(pixel* dst, intptr_t dstStride, const pixel* srcPix, int, int);
> void x265_intra_pred_planar16_sse4(pixel* dst, intptr_t dstStride, const pixel* srcPix, int, int);
>diff -r 78f9c9fad129 -r 19f7f03f9159 source/common/x86/intrapred8.asm
>--- a/source/common/x86/intrapred8.asm	Wed Mar 11 18:08:03 2015 +0530
>+++ b/source/common/x86/intrapred8.asm	Thu Mar 12 11:40:53 2015 -0700
>@@ -134,6 +134,7 @@
> 
> SECTION .text
> 
>+cextern pb_0
> cextern pw_2
> cextern pw_4
> cextern pw_8
>@@ -751,6 +752,227 @@
>     INTRA_PRED_PLANAR_16 15
>     RET
> 
>+;---------------------------------------------------------------------------------------
>+; void intra_pred_planar(pixel* dst, intptr_t dstStride, pixel*srcPix, int, int filter)
>+;---------------------------------------------------------------------------------------
>+INIT_XMM sse2
>+%if ARCH_X86_64 == 1
>+cglobal intra_pred_planar32, 3,3,16
>+    movd            m3, [r2 + 33]               ; topRight   = above[32]
>+
>+    pxor            m7, m7
>+    pand            m3, [pw_00ff]
>+    pshuflw         m3, m3, 0x00
>+    pshufd          m3, m3, 0x44
>+
>+    pmullw          m0, m3, [multiL]            ; (x + 1) * topRight
>+    pmullw          m1, m3, [multiH]            ; (x + 1) * topRight
>+    pmullw          m2, m3, [multiH2]           ; (x + 1) * topRight
>+    pmullw          m3, [multiH3]               ; (x + 1) * topRight
>+
>+    movd            m11, [r2 + 97]               ; bottomLeft = left[32]
>+    pand            m11, [pw_00ff]
>+    pshuflw         m11, m11, 0x00
>+    pshufd          m11, m11, 0x44
>+    mova            m5,  m11
>+    paddw           m5,  [pw_32]
>+
>+    paddw           m0, m5
>+    paddw           m1, m5
>+    paddw           m2, m5
>+    paddw           m3, m5
>+    mova            m8, m11
>+    mova            m9, m11
>+    mova            m10, m11
>+
>+    mova            m12, [pw_planar32_1]
>+    movh            m4, [r2 + 1]
>+    punpcklbw       m4, m7
>+    psubw           m8, m4
>+    pmullw          m4, m12
>+    paddw           m0, m4
>+
>+    movh            m4, [r2 + 9]
>+    punpcklbw       m4, m7
>+    psubw           m9, m4
>+    pmullw          m4, m12
>+    paddw           m1, m4
>+
>+    movh            m4, [r2 + 17]
>+    punpcklbw       m4, m7
>+    psubw           m10, m4
>+    pmullw          m4, m12
>+    paddw           m2, m4
>+
>+    movh            m4, [r2 + 25]
>+    punpcklbw       m4, m7
>+    psubw           m11, m4
>+    pmullw          m4, m12
>+    paddw           m3, m4
>+
>+    mova            m12, [pw_planar32_L]
>+    mova            m13, [pw_planar32_H]
>+    mova            m14, [pw_planar16_0]
>+    mova            m15, [pw_planar8_0]
>+%macro PROCESS 1
>+    pmullw          m5, %1, m12 ;[pw_planar32_L]
>+    pmullw          m6, %1, m13 ;[pw_planar32_H]
>+    paddw           m5, m0
>+    paddw           m6, m1
>+    psraw           m5, 6
>+    psraw           m6, 6
>+    packuswb        m5, m6
>+    movu            [r0], m5
>+
>+    pmullw          m5, %1, m14 ;[pw_planar16_0]
>+    pmullw          %1, m15 ;[pw_planar8_0]
>+    paddw           m5, m2
>+    paddw           %1, m3
>+    psraw           m5, 6
>+    psraw           %1, 6
>+    packuswb        m5, %1
>+    movu            [r0 + 16], m5
>+%endmacro
>+
>+%macro INCREMENT 0
>+    paddw           m2, m10
>+    paddw           m3, m11
>+    paddw           m0, m8
>+    paddw           m1, m9
>+    add             r0, r1
>+%endmacro
>+
>+%assign x 0
>+%rep 4
>+    movq            m4, [r2 + 65 + x * 8]
>+    punpcklbw       m4, [pb_0]
>+%assign y 0
>+%rep 8
>+    %if y < 4
>+    pshuflw         m7, m4, 0x55 * y
>+    pshufd          m7, m7, 0x44
>+    %else
>+    pshufhw         m7, m4, 0x55 * (y - 4)
>+    pshufd          m7, m7, 0xEE
>+    %endif
>+    PROCESS m7
>+    %if x + y < 10
>+    INCREMENT
>+    %endif
>+%assign y y+1
>+%endrep
>+%assign x x+1
>+%endrep
>+    RET
>+
>+%else ;end ARCH_X86_64, start ARCH_X86_32
>+cglobal intra_pred_planar32, 3,3,8,0-(4*mmsize)
>+    movd            m3, [r2 + 33]               ; topRight   = above[32]
>+
>+    pxor            m7, m7
>+    pand            m3, [pw_00ff]
>+    pshuflw         m3, m3, 0x00
>+    pshufd          m3, m3, 0x44
>+
>+    pmullw          m0, m3, [multiL]            ; (x + 1) * topRight
>+    pmullw          m1, m3, [multiH]            ; (x + 1) * topRight
>+    pmullw          m2, m3, [multiH2]           ; (x + 1) * topRight
>+    pmullw          m3, [multiH3]               ; (x + 1) * topRight
>+
>+    movd            m6, [r2 + 97]               ; bottomLeft = left[32]
>+    pand            m6, [pw_00ff]
>+    pshuflw         m6, m6, 0x00
>+    pshufd          m6, m6, 0x44
>+    mova            m5, m6
>+    paddw           m5, [pw_32]
>+
>+    paddw           m0, m5
>+    paddw           m1, m5
>+    paddw           m2, m5
>+    paddw           m3, m5
>+
>+    movh            m4, [r2 + 1]
>+    punpcklbw       m4, m7
>+    psubw           m5, m6, m4
>+    mova            [rsp + 0 * mmsize], m5
>+    pmullw          m4, [pw_planar32_1]
>+    paddw           m0, m4
>+
>+    movh            m4, [r2 + 9]
>+    punpcklbw       m4, m7
>+    psubw           m5, m6, m4
>+    mova            [rsp + 1 * mmsize], m5
>+    pmullw          m4, [pw_planar32_1]
>+    paddw           m1, m4
>+
>+    movh            m4, [r2 + 17]
>+    punpcklbw       m4, m7
>+    psubw           m5, m6, m4
>+    mova            [rsp + 2 * mmsize], m5
>+    pmullw          m4, [pw_planar32_1]
>+    paddw           m2, m4
>+
>+    movh            m4, [r2 + 25]
>+    punpcklbw       m4, m7
>+    psubw           m5, m6, m4
>+    mova            [rsp + 3 * mmsize], m5
>+    pmullw          m4, [pw_planar32_1]
>+    paddw           m3, m4
>+
>+%macro PROCESS 1
>+    pmullw          m5, %1, [pw_planar32_L]
>+    pmullw          m6, %1, [pw_planar32_H]
>+    paddw           m5, m0
>+    paddw           m6, m1
>+    psraw           m5, 6
>+    psraw           m6, 6
>+    packuswb        m5, m6
>+    movu            [r0], m5
>+
>+    pmullw          m5, %1, [pw_planar16_0]
>+    pmullw          %1, [pw_planar8_0]
>+    paddw           m5, m2
>+    paddw           %1, m3
>+    psraw           m5, 6
>+    psraw           %1, 6
>+    packuswb        m5, %1
>+    movu            [r0 + 16], m5
>+%endmacro
>+
>+%macro INCREMENT 0
>+    paddw           m0, [rsp + 0 * mmsize]
>+    paddw           m1, [rsp + 1 * mmsize]
>+    paddw           m2, [rsp + 2 * mmsize]
>+    paddw           m3, [rsp + 3 * mmsize]
>+    add             r0, r1
>+%endmacro
>+
>+%assign y 0
>+%rep 4
>+    movq            m4, [r2 + 65 + y * 8]
>+    punpcklbw       m4, [pb_0]
>+%assign x 0
>+%rep 8
>+    %if x < 4
>+    pshuflw         m7, m4, 0x55 * x
>+    pshufd          m7, m7, 0x44
>+    %else
>+    pshufhw         m7, m4, 0x55 * (x - 4)
>+    pshufd          m7, m7, 0xEE
>+    %endif
>+
>+    PROCESS m7
>+    %if x + y < 10
>+    INCREMENT
>+    %endif
>+%assign x x+1
>+%endrep
>+%assign y y+1
>+%endrep
>+    RET
>+
>+%endif ; end ARCH_X86_32
>+
> ;---------------------------------------------------------------------------------------------
> ; void intra_pred_dc(pixel* dst, intptr_t dstStride, pixel *srcPix, int dirMode, int bFilter)
> ;---------------------------------------------------------------------------------------------
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