[x265] [PATCH] asm: intrapred dc4 sse2
dave
dtyx265 at gmail.com
Thu Feb 26 00:23:14 CET 2015
On 02/25/2015 02:30 PM, Steve Borho wrote:
> On Wed, Feb 25, 2015 at 7:34 AM, chen <chenm003 at 163.com> wrote:
>> it's right, just move pw_257 into const.asm in future
> I pushed this one, but then realized that the -m32 build is broken on
> LInux. It looks to be caused by the usage of r4b
I will look into it. Is there an option in cmake to build in 32 bits or
do I just need to add -m32 to CMAKE_CXX_FLAGS and CMAKE_C_FLAGS?
> http://pastie.org/9982589
>
>> At 2015-02-25 04:53:04,dtyx265 at gmail.com wrote:
>>> # HG changeset patch
>>> # User David T Yuen <dtyx265 at gmail.com>
>>> # Date 1424810386 28800
>>> # Node ID 8528fea56a4202c871544621d5806ee686e671fc
>>> # Parent 7252c10278a1e1aeddbe489180aad35196262919
>>> 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 54ECE101 8bpp
>>> Testing primitives: SSE2
>>> Testing primitives: SSE3
>>>
>>> Test performance improvement with full optimizations
>>> == intrapred primitives ==
>>> intra_dc_4x4[f=0] 1.26x 192.96 242.35
>>> intra_dc_4x4[f=1] 1.25x 409.99 512.69
>>>
>>> diff -r 7252c10278a1 -r 8528fea56a42 source/common/x86/asm-primitives.cpp
>>> --- a/source/common/x86/asm-primitives.cpp Mon Feb 23 23:11:49 2015 -0600
>>> +++ b/source/common/x86/asm-primitives.cpp Tue Feb 24 12:39:46 2015 -0800
>>> @@ -1071,6 +1071,8 @@
>>> 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 7252c10278a1 -r 8528fea56a42 source/common/x86/intrapred.h
>>> --- a/source/common/x86/intrapred.h Mon Feb 23 23:11:49 2015 -0600
>>> +++ b/source/common/x86/intrapred.h Tue Feb 24 12:39:46 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 7252c10278a1 -r 8528fea56a42 source/common/x86/intrapred8.asm
>>> --- a/source/common/x86/intrapred8.asm Mon Feb 23 23:11:49 2015 -0600
>>> +++ b/source/common/x86/intrapred8.asm Tue Feb 24 12:39:46 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
>>>
>>> +pw_257: times 8 dw 257
>>> +
>>> 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, [pw_4]
>>> + psraw m1, 3
>>> + movd r4d, m1 ; r4d = dc_val
>>> + pmullw m1, [pw_257]
>>> + 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
>>> + movd m2, [r2]
>>> + 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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