[x265] [PATCH] asm-intra_pred_ang8_24: improved, 215.89c -> 177.69c over SSE4 asm code

[chen]

right

At 2015-03-11 16:47:47,praveen at multicorewareinc.com wrote:
># HG changeset patch
># User Praveen Tiwari <praveen at multicorewareinc.com>
># Date 1426063402 -19800
># Node ID 2819311e62415b3bec7dd915b74599d305fe5c9b
># Parent  00a9f5768a5beeb9a1a471fb8dccf8a76fc887b3
>asm-intra_pred_ang8_24: improved, 215.89c -> 177.69c over SSE4 asm code
>
>AVX2:
>intra_ang_8x8[24]       11.37x   177.69          2019.68
>
>SSE4:
>intra_ang_8x8[24]       9.30x    215.89          2007.03
>
>diff -r 00a9f5768a5b -r 2819311e6241 source/common/x86/asm-primitives.cpp
>--- a/source/common/x86/asm-primitives.cpp	Wed Mar 11 13:02:56 2015 +0530
>+++ b/source/common/x86/asm-primitives.cpp	Wed Mar 11 14:13:22 2015 +0530
>@@ -1501,6 +1501,7 @@
>         p.cu[BLOCK_8x8].intra_pred[9] = x265_intra_pred_ang8_9_avx2;
>         p.cu[BLOCK_8x8].intra_pred[27] = x265_intra_pred_ang8_27_avx2;
>         p.cu[BLOCK_8x8].intra_pred[25] = x265_intra_pred_ang8_25_avx2;
>+        p.cu[BLOCK_8x8].intra_pred[24] = x265_intra_pred_ang8_24_avx2;
> 
>         // copy_sp primitives
>         p.cu[BLOCK_16x16].copy_sp = x265_blockcopy_sp_16x16_avx2;
>diff -r 00a9f5768a5b -r 2819311e6241 source/common/x86/intrapred.h
>--- a/source/common/x86/intrapred.h	Wed Mar 11 13:02:56 2015 +0530
>+++ b/source/common/x86/intrapred.h	Wed Mar 11 14:13:22 2015 +0530
>@@ -179,6 +179,7 @@
> void x265_intra_pred_ang8_9_avx2(pixel* dst, intptr_t dstStride, const pixel* srcPix, int dirMode, int bFilter);
> void x265_intra_pred_ang8_27_avx2(pixel* dst, intptr_t dstStride, const pixel* srcPix, int dirMode, int bFilter);
> void x265_intra_pred_ang8_25_avx2(pixel* dst, intptr_t dstStride, const pixel* srcPix, int dirMode, int bFilter);
>+void x265_intra_pred_ang8_24_avx2(pixel* dst, intptr_t dstStride, const pixel* srcPix, int dirMode, int bFilter);
> void x265_all_angs_pred_4x4_sse4(pixel *dest, pixel *refPix, pixel *filtPix, int bLuma);
> void x265_all_angs_pred_8x8_sse4(pixel *dest, pixel *refPix, pixel *filtPix, int bLuma);
> void x265_all_angs_pred_16x16_sse4(pixel *dest, pixel *refPix, pixel *filtPix, int bLuma);
>diff -r 00a9f5768a5b -r 2819311e6241 source/common/x86/intrapred8.asm
>--- a/source/common/x86/intrapred8.asm	Wed Mar 11 13:02:56 2015 +0530
>+++ b/source/common/x86/intrapred8.asm	Wed Mar 11 14:13:22 2015 +0530
>@@ -108,6 +108,11 @@
>                       db 10, 22, 10, 22, 10, 22, 10, 22, 10, 22, 10, 22, 10, 22, 10, 22, 12, 20, 12, 20, 12, 20, 12, 20, 12, 20, 12, 20, 12, 20, 12, 20
>                       db 14, 18, 14, 18, 14, 18, 14, 18, 14, 18, 14, 18, 14, 18, 14, 18, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16
> 
>+c_ang8_mode_24:       db 5, 27, 5, 27, 5, 27, 5, 27, 5, 27, 5, 27, 5, 27, 5, 27, 10, 22, 10, 22, 10, 22, 10, 22, 10, 22, 10, 22, 10, 22, 10, 22
>+                      db 15, 17, 15, 17, 15, 17, 15, 17, 15, 17, 15, 17, 15, 17, 15, 17, 20, 12, 20, 12, 20, 12, 20, 12, 20, 12, 20, 12, 20, 12, 20, 12
>+                      db 25, 7, 25, 7, 25, 7, 25, 7, 25, 7, 25, 7, 25, 7, 25, 7, 30, 2, 30, 2, 30, 2, 30, 2, 30, 2, 30, 2, 30, 2, 30, 2
>+                      db 3, 29, 3, 29, 3, 29, 3, 29, 3, 29, 3, 29, 3, 29, 3, 29, 8, 24, 8, 24, 8, 24, 8, 24, 8, 24, 8, 24, 8, 24, 8, 24
>+
> ;; (blkSize - 1 - x)
> pw_planar4_0:         dw 3,  2,  1,  0,  3,  2,  1,  0
> pw_planar4_1:         dw 3,  3,  3,  3,  3,  3,  3,  3
>@@ -10317,3 +10322,40 @@
>     movhps            [r0 + 2 * r1], xm4
>     movhps            [r0 + r3], xm2
>     RET
>+
>+INIT_YMM avx2
>+cglobal intra_pred_ang8_24, 3, 5, 5
>+    mova              m3, [pw_1024]
>+    vbroadcasti128    m0, [r2]
>+
>+    pshufb            m0, [intra_pred_shuff_0_8]
>+
>+    lea               r4, [c_ang8_mode_24]
>+    pmaddubsw         m1, m0, [r4]
>+    pmulhrsw          m1, m3
>+    pmaddubsw         m2, m0, [r4 + mmsize]
>+    pmulhrsw          m2, m3
>+    pmaddubsw         m4, m0, [r4 + 2 * mmsize]
>+    pmulhrsw          m4, m3
>+    pslldq            xm0, 2
>+    pinsrb            xm0, [r2 + 16 + 6], 0
>+    pinsrb            xm0, [r2 + 0], 1
>+    vinserti128       m0, m0, xm0, 1
>+    pmaddubsw         m0, [r4 + 3 * mmsize]
>+    pmulhrsw          m0, m3
>+    packuswb          m1, m2
>+    packuswb          m4, m0
>+
>+    lea               r3, [3 * r1]
>+    movq              [r0], xm1
>+    vextracti128      xm2, m1, 1
>+    movq              [r0 + r1], xm2
>+    movhps            [r0 + 2 * r1], xm1
>+    movhps            [r0 + r3], xm2
>+    lea               r0, [r0 + 4 * r1]
>+    movq              [r0], xm4
>+    vextracti128      xm2, m4, 1
>+    movq              [r0 + r1], xm2
>+    movhps            [r0 + 2 * r1], xm4
>+    movhps            [r0 + r3], xm2
>+    RET
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