From 8247f38dc1159b46c769495b6d37f844d33d414a Mon Sep 17 00:00:00 2001 From: wernsaar Date: Wed, 20 Aug 2014 09:58:04 +0200 Subject: [PATCH] added optimized dsymv_U kernel for nehalem --- kernel/x86_64/KERNEL.NEHALEM | 2 +- kernel/x86_64/dsymv_U_microk_nehalem-2.c | 125 +++++++++++++++++++++++ 2 files changed, 126 insertions(+), 1 deletion(-) create mode 100644 kernel/x86_64/dsymv_U_microk_nehalem-2.c diff --git a/kernel/x86_64/KERNEL.NEHALEM b/kernel/x86_64/KERNEL.NEHALEM index 353514449..35be648a4 100644 --- a/kernel/x86_64/KERNEL.NEHALEM +++ b/kernel/x86_64/KERNEL.NEHALEM @@ -1,4 +1,4 @@ -#DSYMV_U_KERNEL = dsymv_U.c +DSYMV_U_KERNEL = dsymv_U.c SSYMV_U_KERNEL = ssymv_U.c SGEMVNKERNEL = sgemv_n.c diff --git a/kernel/x86_64/dsymv_U_microk_nehalem-2.c b/kernel/x86_64/dsymv_U_microk_nehalem-2.c new file mode 100644 index 000000000..6aab57500 --- /dev/null +++ b/kernel/x86_64/dsymv_U_microk_nehalem-2.c @@ -0,0 +1,125 @@ +/*************************************************************************** +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 dsymv_kernel_4x4( BLASLONG n, FLOAT *a0, FLOAT *a1, FLOAT *a2, FLOAT *a3, FLOAT *x, FLOAT *y, FLOAT *temp1, FLOAT *temp2) __attribute__ ((noinline)); + +static void dsymv_kernel_4x4(BLASLONG n, FLOAT *a0, FLOAT *a1, FLOAT *a2, FLOAT *a3, FLOAT *x, FLOAT *y, FLOAT *temp1, FLOAT *temp2) +{ + + BLASLONG register i = 0; + + __asm__ __volatile__ + ( + "xorpd %%xmm0 , %%xmm0 \n\t" // temp2[0] + "xorpd %%xmm1 , %%xmm1 \n\t" // temp2[1] + "xorpd %%xmm2 , %%xmm2 \n\t" // temp2[2] + "xorpd %%xmm3 , %%xmm3 \n\t" // temp2[3] + "movsd (%8), %%xmm4 \n\t" // temp1[0] + "movsd 8(%8), %%xmm5 \n\t" // temp1[1] + "movsd 16(%8), %%xmm6 \n\t" // temp1[2] + "movsd 24(%8), %%xmm7 \n\t" // temp1[3] + "shufpd $0, %%xmm4, %%xmm4 \n\t" + "shufpd $0, %%xmm5, %%xmm5 \n\t" + "shufpd $0, %%xmm6, %%xmm6 \n\t" + "shufpd $0, %%xmm7, %%xmm7 \n\t" + + "xorq %0,%0 \n\t" + + ".align 16 \n\t" + ".L01LOOP%=: \n\t" + "movups (%4,%0,8), %%xmm12 \n\t" // 2 * a + "movups (%2,%0,8), %%xmm8 \n\t" // 2 * x + "movups %%xmm12 , %%xmm11 \n\t" + "movups (%3,%0,8), %%xmm9 \n\t" // 2 * y + "movups (%5,%0,8), %%xmm13 \n\t" // 2 * a + + "mulpd %%xmm4 , %%xmm11 \n\t" // temp1 * a + "addpd %%xmm11 , %%xmm9 \n\t" // y += temp1 * a + "mulpd %%xmm8 , %%xmm12 \n\t" // a * x + "addpd %%xmm12 , %%xmm0 \n\t" // temp2 += x * a + + "movups (%6,%0,8), %%xmm14 \n\t" // 2 * a + "movups (%7,%0,8), %%xmm15 \n\t" // 2 * a + + "movups %%xmm13 , %%xmm11 \n\t" + "mulpd %%xmm5 , %%xmm11 \n\t" // temp1 * a + "addpd %%xmm11 , %%xmm9 \n\t" // y += temp1 * a + "mulpd %%xmm8 , %%xmm13 \n\t" // a * x + "addpd %%xmm13 , %%xmm1 \n\t" // temp2 += x * a + + "movups %%xmm14 , %%xmm11 \n\t" + "mulpd %%xmm6 , %%xmm11 \n\t" // temp1 * a + "addpd %%xmm11 , %%xmm9 \n\t" // y += temp1 * a + "mulpd %%xmm8 , %%xmm14 \n\t" // a * x + "addpd %%xmm14 , %%xmm2 \n\t" // temp2 += x * a + + "addq $2 , %0 \n\t" + "movups %%xmm15 , %%xmm11 \n\t" + "mulpd %%xmm7 , %%xmm11 \n\t" // temp1 * a + "addpd %%xmm11 , %%xmm9 \n\t" // y += temp1 * a + "mulpd %%xmm8 , %%xmm15 \n\t" // a * x + "addpd %%xmm15 , %%xmm3 \n\t" // temp2 += x * a + + "movups %%xmm9,-16(%3,%0,8) \n\t" // 2 * y + + "subq $2 , %1 \n\t" + "jnz .L01LOOP%= \n\t" + + "haddpd %%xmm0, %%xmm0 \n\t" + "haddpd %%xmm1, %%xmm1 \n\t" + "haddpd %%xmm2, %%xmm2 \n\t" + "haddpd %%xmm3, %%xmm3 \n\t" + + "movsd %%xmm0 , (%9) \n\t" // save temp2 + "movsd %%xmm1 , 8(%9) \n\t" // save temp2 + "movsd %%xmm2 , 16(%9) \n\t" // save temp2 + "movsd %%xmm3 , 24(%9) \n\t" // save temp2 + + : + : + "r" (i), // 0 + "r" (n), // 1 + "r" (x), // 2 + "r" (y), // 3 + "r" (a0), // 4 + "r" (a1), // 5 + "r" (a2), // 6 + "r" (a3), // 7 + "r" (temp1), // 8 + "r" (temp2) // 9 + : "cc", + "%xmm0", "%xmm1", "%xmm2", "%xmm3", + "%xmm4", "%xmm5", "%xmm6", "%xmm7", + "%xmm8", "%xmm9", "%xmm10", "%xmm11", + "%xmm12", "%xmm13", "%xmm14", "%xmm15", + "memory" + ); + +} + +