[x265] [PATCH] asm: intrapred dc4 sse2
dave
dtyx265 at gmail.com
Tue Feb 24 05:21:28 CET 2015
Thanks, will resubmit.
On 02/23/2015 07:47 PM, chen wrote:
>
> At 2015-02-24 00:23:58,dtyx265 at gmail.com wrote:
> ># HG changeset patch
> ># User David T Yuen <dtyx265 at gmail.com>
> ># Date 1424706375 28800
> ># Node ID c2eb94770f9b98d5bc5cf0e96d635e26c01ca5c6
> ># Parent d179686d7b8d79a125b51fc3f8799152add0fd9f
> >asm: intrapred dc4 sse2
> >
> >This replaces c code for systems using ssse3 to sse2 processors
> >The code is backported from intrapred dc4 sse4
> >
> >./test/TestBench --testbench intrapred
> >Testing only harnesses that match name <intrapred>
> >Using random seed 54EB498B 8bpp
> >Testing primitives: SSE2
> >Testing primitives: SSE3
> >
> >Test performance improvement with full optimizations
> >== intrapred primitives ==
> >intra_dc_4x4[f=0] 1.25x 193.40 242.35
> >intra_dc_4x4[f=1] 1.23x 418.06 513.03
> >
> >diff -r d179686d7b8d -r c2eb94770f9b source/common/x86/asm-primitives.cpp
> >--- a/source/common/x86/asm-primitives.cpp Thu Feb 19 14:44:16 2015 -0800
> >+++ b/source/common/x86/asm-primitives.cpp Mon Feb 23 07:46:15 2015 -0800
> >@@ -1070,6 +1070,7 @@
> > ALL_LUMA_TU_S(cpy1Dto2D_shl, cpy1Dto2D_shl_, sse2);
> > ALL_LUMA_TU_S(cpy1Dto2D_shr, cpy1Dto2D_shr_, sse2);
> > ALL_LUMA_TU_S(ssd_s, pixel_ssd_s_, sse2);
> >+ p.cu[BLOCK_4x4].intra_pred[DC_IDX] = x265_intra_pred_dc4_sse2;
> >
> > p.cu[BLOCK_4x4].calcresidual = x265_getResidual4_sse2;
> > p.cu[BLOCK_8x8].calcresidual = x265_getResidual8_sse2;
> >diff -r d179686d7b8d -r c2eb94770f9b source/common/x86/intrapred.h
> >--- a/source/common/x86/intrapred.h Thu Feb 19 14:44:16 2015 -0800
> >+++ b/source/common/x86/intrapred.h Mon Feb 23 07:46:15 2015 -0800
> >@@ -26,6 +26,7 @@
> > #ifndef X265_INTRAPRED_H
> > #define X265_INTRAPRED_H
> >
> >+void x265_intra_pred_dc4_sse2 (pixel* dst, intptr_t dstStride, const pixel*srcPix, int, int filter);
> > void x265_intra_pred_dc4_sse4 (pixel* dst, intptr_t dstStride, const pixel*srcPix, int, int filter);
> > void x265_intra_pred_dc8_sse4(pixel* dst, intptr_t dstStride, const pixel* srcPix, int, int filter);
> > void x265_intra_pred_dc16_sse4(pixel* dst, intptr_t dstStride, const pixel* srcPix, int, int filter);
> >diff -r d179686d7b8d -r c2eb94770f9b source/common/x86/intrapred8.asm
> >--- a/source/common/x86/intrapred8.asm Thu Feb 19 14:44:16 2015 -0800
> >+++ b/source/common/x86/intrapred8.asm Mon Feb 23 07:46:15 2015 -0800
> >@@ -65,6 +65,8 @@
> > pw_planar32_L: dw 31, 30, 29, 28, 27, 26, 25, 24
> > pw_planar32_H: dw 23, 22, 21, 20, 19, 18, 17, 16
> >
> >+INT257: dd 257, 0, 0, 0
> >+INT4: dw 4, 0, 0, 0, 0, 0, 0, 0
> rename to pdq_* is better
>
> > const ang_table
> > %assign x 0
> > %rep 32
> >@@ -89,6 +91,71 @@
> > ;---------------------------------------------------------------------------------------------
> > ; void intra_pred_dc(pixel* dst, intptr_t dstStride, pixel *srcPix, int dirMode, int bFilter)
> > ;---------------------------------------------------------------------------------------------
> >+INIT_XMM sse2
> >+cglobal intra_pred_dc4, 5,5,3
> >+ inc r2
> >+ pxor m0, m0
> >+ movu m1, [r2]
> >+ pshufd m1, m1, 0xF8
> >+ psadbw m1, m0 ; m1 = sum
> >+
> >+ test r4d, r4d
> >+
> >+ paddw m1, [INT4]
> >+ psraw m1, 3
> >+ movd r4d, m1 ; r4d = dc_val
> >+ pmullw m1, [INT257]
> >+ pshuflw m1, m1, 0x00
> >+
> >+ ; store DC 4x4
> >+ lea r3, [r1 * 3]
> >+ movd [r0], m1
> >+ movd [r0 + r1], m1
> >+ movd [r0 + r1 * 2], m1
> >+ movd [r0 + r3], m1
> >+
> >+ ; do DC filter
> >+ jz .end
> >+ lea r3d, [r4d * 2 + 2] ; r3d = DC * 2 + 2
> >+ add r4d, r3d ; r4d = DC * 3 + 2
> >+ movd m1, r4d
> >+ pshuflw m1, m1, 0 ; m1 = pixDCx3
> >+
> >+ ; filter top
> >+ movq m2, [r2]
> are you just use low 4-pixels?
> >+ punpcklbw m2, m0
> >+ paddw m2, m1
> >+ psraw m2, 2
> >+ packuswb m2, m2
> >+ movd [r0], m2 ; overwrite top-left pixel, we will update it later
> >+
> >+ ; filter top-left
> >+ movzx r4d, byte [r2 + 8]
> >+ add r3d, r4d
> >+ movzx r4d, byte [r2]
> >+ add r3d, r4d
> >+ shr r3d, 2
> >+ mov [r0], r3b
> >+
> >+ ; filter left
> >+ add r0, r1
> >+ movq m2, [r2 + 9]
> >+ punpcklbw m2, m0
> >+ paddw m2, m1
> >+ psraw m2, 2
> >+ packuswb m2, m2
> >+ movq r4, m2
> >+ mov [r0], r4b
> >+ shr r4, 8
> >+ mov [r0 + r1], r4b
> >+ shr r4, 8
> >+ mov [r0 + r1 * 2], r4b
> >+.end:
> >+ RET
> >+
> >+;---------------------------------------------------------------------------------------------
> >+; void intra_pred_dc(pixel* dst, intptr_t dstStride, pixel *srcPix, int dirMode, int bFilter)
> >+;---------------------------------------------------------------------------------------------
> > INIT_XMM sse4
> > cglobal intra_pred_dc4, 5,5,3
> > inc r2
> >_______________________________________________
> >x265-devel mailing list
> >x265-devel at videolan.org
> >https://mailman.videolan.org/listinfo/x265-devel
>
>
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