From 6df7a8893078e2f9878efeb7212fb7030185cf37 Mon Sep 17 00:00:00 2001 From: wernsaar Date: Fri, 5 Sep 2014 10:22:50 +0200 Subject: [PATCH] optimized sgemv_t for sandybridge --- kernel/x86_64/KERNEL.SANDYBRIDGE | 2 +- kernel/x86_64/sgemv_t_4.c | 2 + kernel/x86_64/sgemv_t_microk_sandy-4.c | 174 +++++++++++++++++++++++++++++++++ 3 files changed, 177 insertions(+), 1 deletion(-) create mode 100644 kernel/x86_64/sgemv_t_microk_sandy-4.c diff --git a/kernel/x86_64/KERNEL.SANDYBRIDGE b/kernel/x86_64/KERNEL.SANDYBRIDGE index b654d35..b704864 100644 --- a/kernel/x86_64/KERNEL.SANDYBRIDGE +++ b/kernel/x86_64/KERNEL.SANDYBRIDGE @@ -1,5 +1,5 @@ SGEMVNKERNEL = sgemv_n.c -SGEMVTKERNEL = sgemv_t.c +SGEMVTKERNEL = sgemv_t_4.c ZGEMVNKERNEL = zgemv_n.c diff --git a/kernel/x86_64/sgemv_t_4.c b/kernel/x86_64/sgemv_t_4.c index fb0ba97..b89ec7f 100644 --- a/kernel/x86_64/sgemv_t_4.c +++ b/kernel/x86_64/sgemv_t_4.c @@ -32,6 +32,8 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include "sgemv_t_microk_nehalem-4.c" #elif defined(BULLDOZER) #include "sgemv_t_microk_bulldozer-4.c" +#elif defined(SANDYBRIDGE) +#include "sgemv_t_microk_sandy-4.c" #endif #define NBMAX 4096 diff --git a/kernel/x86_64/sgemv_t_microk_sandy-4.c b/kernel/x86_64/sgemv_t_microk_sandy-4.c new file mode 100644 index 0000000..6550518 --- /dev/null +++ b/kernel/x86_64/sgemv_t_microk_sandy-4.c @@ -0,0 +1,174 @@ +/*************************************************************************** +Copyright (c) 2014, The OpenBLAS Project +All rights reserved. +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: +1. Redistributions of source code must retain the above copyright +notice, this list of conditions and the following disclaimer. +2. Redistributions in binary form must reproduce the above copyright +notice, this list of conditions and the following disclaimer in +the documentation and/or other materials provided with the +distribution. +3. Neither the name of the OpenBLAS project nor the names of +its contributors may be used to endorse or promote products +derived from this software without specific prior written permission. +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE +LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE +USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*****************************************************************************/ + +#define HAVE_KERNEL_4x4 1 +static void sgemv_kernel_4x4( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y) __attribute__ ((noinline)); + +static void sgemv_kernel_4x4( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y) +{ + + BLASLONG register i = 0; + + __asm__ __volatile__ + ( + "vzeroupper \n\t" + "vxorps %%ymm0 , %%ymm0, %%ymm0 \n\t" + "vxorps %%ymm1 , %%ymm1, %%ymm1 \n\t" + "vxorps %%ymm2 , %%ymm2, %%ymm2 \n\t" + "vxorps %%ymm3 , %%ymm3, %%ymm3 \n\t" + "vxorps %%ymm4 , %%ymm4, %%ymm4 \n\t" + "vxorps %%ymm5 , %%ymm5, %%ymm5 \n\t" + "vxorps %%ymm6 , %%ymm6, %%ymm6 \n\t" + "vxorps %%ymm7 , %%ymm7, %%ymm7 \n\t" + + "testq $0x04, %1 \n\t" + "jz .L08LABEL%= \n\t" + + "vmovups (%2,%0,4), %%xmm12 \n\t" // 4 * x + + "vmulps (%4,%0,4), %%xmm12, %%xmm8 \n\t" + "vmulps (%5,%0,4), %%xmm12, %%xmm10 \n\t" + "vmulps (%6,%0,4), %%xmm12, %%xmm9 \n\t" + "vmulps (%7,%0,4), %%xmm12, %%xmm11 \n\t" + "vaddps %%xmm4, %%xmm8 , %%xmm4 \n\t" + "addq $4 , %0 \n\t" + "vaddps %%xmm5, %%xmm10, %%xmm5 \n\t" + "vaddps %%xmm6, %%xmm9 , %%xmm6 \n\t" + "subq $4 , %1 \n\t" + "vaddps %%xmm7, %%xmm11, %%xmm7 \n\t" + + ".L08LABEL%=: \n\t" + + "testq $0x08, %1 \n\t" + "jz .L16LABEL%= \n\t" + + "vmovups (%2,%0,4), %%ymm12 \n\t" // 8 * x + + "vmulps (%4,%0,4), %%ymm12, %%ymm8 \n\t" + "vmulps (%5,%0,4), %%ymm12, %%ymm10 \n\t" + "vmulps (%6,%0,4), %%ymm12, %%ymm9 \n\t" + "vmulps (%7,%0,4), %%ymm12, %%ymm11 \n\t" + "vaddps %%ymm4, %%ymm8 , %%ymm4 \n\t" + "addq $8 , %0 \n\t" + "vaddps %%ymm5, %%ymm10, %%ymm5 \n\t" + "vaddps %%ymm6, %%ymm9 , %%ymm6 \n\t" + "subq $8 , %1 \n\t" + "vaddps %%ymm7, %%ymm11, %%ymm7 \n\t" + + ".L16LABEL%=: \n\t" + + "cmpq $0, %1 \n\t" + "je .L16END%= \n\t" + + + ".align 16 \n\t" + ".L01LOOP%=: \n\t" + "prefetcht0 384(%2,%0,4) \n\t" + "vmovups (%2,%0,4), %%ymm12 \n\t" // 8 * x + "vmovups 32(%2,%0,4), %%ymm13 \n\t" // 8 * x + + "prefetcht0 384(%4,%0,4) \n\t" + "vmulps (%4,%0,4), %%ymm12, %%ymm8 \n\t" + "vmulps 32(%4,%0,4), %%ymm13, %%ymm9 \n\t" + "prefetcht0 384(%5,%0,4) \n\t" + "vmulps (%5,%0,4), %%ymm12, %%ymm10 \n\t" + "vmulps 32(%5,%0,4), %%ymm13, %%ymm11 \n\t" + "vaddps %%ymm4, %%ymm8 , %%ymm4 \n\t" + "vaddps %%ymm0, %%ymm9 , %%ymm0 \n\t" + "vaddps %%ymm1, %%ymm10, %%ymm1 \n\t" + "vaddps %%ymm5, %%ymm11, %%ymm5 \n\t" + "prefetcht0 384(%6,%0,4) \n\t" + "vmulps (%6,%0,4), %%ymm12, %%ymm8 \n\t" + "vmulps 32(%6,%0,4), %%ymm13, %%ymm9 \n\t" + "prefetcht0 384(%7,%0,4) \n\t" + "vmulps (%7,%0,4), %%ymm12, %%ymm10 \n\t" + "vmulps 32(%7,%0,4), %%ymm13, %%ymm11 \n\t" + "vaddps %%ymm6, %%ymm8 , %%ymm6 \n\t" + "addq $16, %0 \n\t" + "vaddps %%ymm2, %%ymm9 , %%ymm2 \n\t" + "vaddps %%ymm7, %%ymm10, %%ymm7 \n\t" + "subq $16, %1 \n\t" + "vaddps %%ymm3, %%ymm11, %%ymm3 \n\t" + + "jnz .L01LOOP%= \n\t" + + ".L16END%=: \n\t" + + "vaddps %%ymm4, %%ymm0, %%ymm4 \n\t" + "vaddps %%ymm5, %%ymm1, %%ymm5 \n\t" + "vaddps %%ymm6, %%ymm2, %%ymm6 \n\t" + "vaddps %%ymm7, %%ymm3, %%ymm7 \n\t" + + "vextractf128 $1 , %%ymm4, %%xmm12 \n\t" + "vextractf128 $1 , %%ymm5, %%xmm13 \n\t" + "vextractf128 $1 , %%ymm6, %%xmm14 \n\t" + "vextractf128 $1 , %%ymm7, %%xmm15 \n\t" + + "vaddps %%xmm4, %%xmm12, %%xmm4 \n\t" + "vaddps %%xmm5, %%xmm13, %%xmm5 \n\t" + "vaddps %%xmm6, %%xmm14, %%xmm6 \n\t" + "vaddps %%xmm7, %%xmm15, %%xmm7 \n\t" + + "vhaddps %%xmm4, %%xmm4, %%xmm4 \n\t" + "vhaddps %%xmm5, %%xmm5, %%xmm5 \n\t" + "vhaddps %%xmm6, %%xmm6, %%xmm6 \n\t" + "vhaddps %%xmm7, %%xmm7, %%xmm7 \n\t" + + "vhaddps %%xmm4, %%xmm4, %%xmm4 \n\t" + "vhaddps %%xmm5, %%xmm5, %%xmm5 \n\t" + "vhaddps %%xmm6, %%xmm6, %%xmm6 \n\t" + "vhaddps %%xmm7, %%xmm7, %%xmm7 \n\t" + + "vmovss %%xmm4, (%3) \n\t" + "vmovss %%xmm5, 4(%3) \n\t" + "vmovss %%xmm6, 8(%3) \n\t" + "vmovss %%xmm7, 12(%3) \n\t" + + + "vzeroupper \n\t" + + : + : + "r" (i), // 0 + "r" (n), // 1 + "r" (x), // 2 + "r" (y), // 3 + "r" (ap[0]), // 4 + "r" (ap[1]), // 5 + "r" (ap[2]), // 6 + "r" (ap[3]) // 7 + : "cc", + "%xmm0", "%xmm1", "%xmm2", "%xmm3", + "%xmm4", "%xmm5", "%xmm6", "%xmm7", + "%xmm8", "%xmm9", "%xmm10", "%xmm11", + "%xmm12", "%xmm13", "%xmm14", "%xmm15", + "memory" + ); + +} + + -- 2.7.4