# HG changeset patch # User Vignesh Vijayakumar<vign...@multicorewareinc.com> # Date 1515407134 -19800 # Mon Jan 08 15:55:34 2018 +0530 # Node ID c9f8c315a900c488e41bb39955a1c893e35a66d4 # Parent 8d466bd92e8fac3f24526c01a9532cb05ca82fa1 x86: AVX512 cpy1Dto2D_shr_16
AVX2 performance : 17.79x AVX512 performance : 25.49x diff -r 8d466bd92e8f -r c9f8c315a900 source/common/x86/asm-primitives.cpp --- a/source/common/x86/asm-primitives.cpp Fri Jan 05 10:32:03 2018 +0530 +++ b/source/common/x86/asm-primitives.cpp Mon Jan 08 15:55:34 2018 +0530 @@ -2556,6 +2556,7 @@ p.cu[BLOCK_32x32].cpy2Dto1D_shl = PFX(cpy2Dto1D_shl_32_avx512); p.cu[BLOCK_32x32].cpy1Dto2D_shl[NONALIGNED] = PFX(cpy1Dto2D_shl_32_avx512); p.cu[BLOCK_32x32].cpy1Dto2D_shl[ALIGNED] = PFX(cpy1Dto2D_shl_aligned_32_avx512); + p.cu[BLOCK_16x16].cpy1Dto2D_shr = PFX(cpy1Dto2D_shr_16_avx512); p.weight_pp = PFX(weight_pp_avx512); p.weight_sp = PFX(weight_sp_avx512); p.dequant_normal = PFX(dequant_normal_avx512); @@ -4906,6 +4907,7 @@ p.cu[BLOCK_32x32].cpy2Dto1D_shl = PFX(cpy2Dto1D_shl_32_avx512); p.cu[BLOCK_32x32].cpy1Dto2D_shl[NONALIGNED] = PFX(cpy1Dto2D_shl_32_avx512); p.cu[BLOCK_32x32].cpy1Dto2D_shl[ALIGNED] = PFX(cpy1Dto2D_shl_aligned_32_avx512); + p.cu[BLOCK_16x16].cpy1Dto2D_shr = PFX(cpy1Dto2D_shr_16_avx512); p.cu[BLOCK_32x32].copy_cnt = PFX(copy_cnt_32_avx512); p.cu[BLOCK_16x16].copy_cnt = PFX(copy_cnt_16_avx512); diff -r 8d466bd92e8f -r c9f8c315a900 source/common/x86/blockcopy8.asm --- a/source/common/x86/blockcopy8.asm Fri Jan 05 10:32:03 2018 +0530 +++ b/source/common/x86/blockcopy8.asm Mon Jan 08 15:55:34 2018 +0530 @@ -6688,6 +6688,37 @@ jnz .loop RET +INIT_ZMM avx512 +cglobal cpy1Dto2D_shr_16, 3, 5, 4 + shl r2d, 1 + movd xm0, r3m + pcmpeqw ymm1, ymm1 + psllw ym1, ymm1, xm0 + psraw ym1, 1 + vinserti32x8 m1, ym1, 1 + mov r3d, 4 + lea r4, [r2 * 3] + +.loop: + ; Row 0-1 + movu m2, [r1] + psubw m2, m1 + psraw m2, xm0 + movu [r0], ym2 + vextracti32x8 [r0 + r2], m2, 1 + + ; Row 2-3 + movu m2, [r1 + mmsize] + psubw m2, m1 + psraw m2, xm0 + movu [r0 + r2 * 2], ym2 + vextracti32x8 [r0 + r4], m2, 1 + + add r1, 2 * mmsize + lea r0, [r0 + r2 * 4] + dec r3d + jnz .loop + RET ;-------------------------------------------------------------------------------------- ; void cpy1Dto2D_shr(int16_t* dst, const int16_t* src, intptr_t dstStride, int shift) diff -r 8d466bd92e8f -r c9f8c315a900 source/common/x86/blockcopy8.h --- a/source/common/x86/blockcopy8.h Fri Jan 05 10:32:03 2018 +0530 +++ b/source/common/x86/blockcopy8.h Mon Jan 08 15:55:34 2018 +0530 @@ -42,6 +42,7 @@ FUNCDEF_TU_S(void, cpy1Dto2D_shr, sse2, int16_t* dst, const int16_t* src, intptr_t srcStride, int shift); FUNCDEF_TU_S(void, cpy1Dto2D_shr, sse4, int16_t* dst, const int16_t* src, intptr_t srcStride, int shift); FUNCDEF_TU_S(void, cpy1Dto2D_shr, avx2, int16_t* dst, const int16_t* src, intptr_t srcStride, int shift); +FUNCDEF_TU_S(void, cpy1Dto2D_shr, avx512, int16_t* dst, const int16_t* src, intptr_t srcStride, int shift); FUNCDEF_TU_S(uint32_t, copy_cnt, sse2, int16_t* dst, const int16_t* src, intptr_t srcStride); FUNCDEF_TU_S(uint32_t, copy_cnt, sse4, int16_t* dst, const int16_t* src, intptr_t srcStride); _______________________________________________ x265-devel mailing list x265-devel@videolan.org https://mailman.videolan.org/listinfo/x265-devel