From: Werner Saar Date: Tue, 12 May 2015 15:19:58 +0000 (+0200) Subject: added optimized dscal kernel for haswell X-Git-Tag: v0.2.15^2~53^2~3 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=02e772c7e42c24fd84169787aca88eb257a535d7;p=platform%2Fupstream%2Fopenblas.git added optimized dscal kernel for haswell --- diff --git a/kernel/x86_64/KERNEL.HASWELL b/kernel/x86_64/KERNEL.HASWELL index 6849b05..188c51b 100644 --- a/kernel/x86_64/KERNEL.HASWELL +++ b/kernel/x86_64/KERNEL.HASWELL @@ -1,3 +1,5 @@ +DSCALKERNEL = dscal.c + SGEMVNKERNEL = sgemv_n_4.c SGEMVTKERNEL = sgemv_t_4.c diff --git a/kernel/x86_64/dscal.c b/kernel/x86_64/dscal.c index be486a4..66a04ba 100644 --- a/kernel/x86_64/dscal.c +++ b/kernel/x86_64/dscal.c @@ -31,6 +31,8 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include "dscal_microk_bulldozer-2.c" #elif defined(SANDYBRIDGE) #include "dscal_microk_sandy-2.c" +#elif defined(HASWELL) +#include "dscal_microk_haswell-2.c" #endif diff --git a/kernel/x86_64/dscal_microk_haswell-2.c b/kernel/x86_64/dscal_microk_haswell-2.c new file mode 100644 index 0000000..07a9c80 --- /dev/null +++ b/kernel/x86_64/dscal_microk_haswell-2.c @@ -0,0 +1,206 @@ +/*************************************************************************** +Copyright (c) 2014-2015, 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_8 1 + +static void dscal_kernel_8( BLASLONG n, FLOAT *alpha, FLOAT *x) __attribute__ ((noinline)); + +static void dscal_kernel_8( BLASLONG n, FLOAT *alpha, FLOAT *x) +{ + + + BLASLONG n1 = n >> 4 ; + BLASLONG n2 = n & 8 ; + + __asm__ __volatile__ + ( + "vmovddup (%2), %%xmm0 \n\t" // alpha + + "addq $128, %1 \n\t" + + "cmpq $0, %0 \n\t" + "je 4f \n\t" + + "vmulpd -128(%1), %%xmm0, %%xmm4 \n\t" + "vmulpd -112(%1), %%xmm0, %%xmm5 \n\t" + "vmulpd -96(%1), %%xmm0, %%xmm6 \n\t" + "vmulpd -80(%1), %%xmm0, %%xmm7 \n\t" + + "vmulpd -64(%1), %%xmm0, %%xmm8 \n\t" + "vmulpd -48(%1), %%xmm0, %%xmm9 \n\t" + "vmulpd -32(%1), %%xmm0, %%xmm10 \n\t" + "vmulpd -16(%1), %%xmm0, %%xmm11 \n\t" + + "subq $1 , %0 \n\t" + "jz 2f \n\t" + + ".align 16 \n\t" + "1: \n\t" + // "prefetcht0 640(%1) \n\t" + + "vmovups %%xmm4 ,-128(%1) \n\t" + "vmovups %%xmm5 ,-112(%1) \n\t" + "vmulpd 0(%1), %%xmm0, %%xmm4 \n\t" + "vmovups %%xmm6 , -96(%1) \n\t" + "vmulpd 16(%1), %%xmm0, %%xmm5 \n\t" + "vmovups %%xmm7 , -80(%1) \n\t" + "vmulpd 32(%1), %%xmm0, %%xmm6 \n\t" + + // "prefetcht0 704(%1) \n\t" + + "vmovups %%xmm8 , -64(%1) \n\t" + "vmulpd 48(%1), %%xmm0, %%xmm7 \n\t" + "vmovups %%xmm9 , -48(%1) \n\t" + "vmulpd 64(%1), %%xmm0, %%xmm8 \n\t" + "vmovups %%xmm10 , -32(%1) \n\t" + "vmulpd 80(%1), %%xmm0, %%xmm9 \n\t" + "vmovups %%xmm11 , -16(%1) \n\t" + + "vmulpd 96(%1), %%xmm0, %%xmm10 \n\t" + "vmulpd 112(%1), %%xmm0, %%xmm11 \n\t" + + + "addq $128, %1 \n\t" + "subq $1 , %0 \n\t" + "jnz 1b \n\t" + + "2: \n\t" + + "vmovups %%xmm4 ,-128(%1) \n\t" + "vmovups %%xmm5 ,-112(%1) \n\t" + "vmovups %%xmm6 , -96(%1) \n\t" + "vmovups %%xmm7 , -80(%1) \n\t" + + "vmovups %%xmm8 , -64(%1) \n\t" + "vmovups %%xmm9 , -48(%1) \n\t" + "vmovups %%xmm10 , -32(%1) \n\t" + "vmovups %%xmm11 , -16(%1) \n\t" + + "addq $128, %1 \n\t" + + "4: \n\t" + + "cmpq $8 ,%3 \n\t" + "jne 5f \n\t" + + "vmulpd -128(%1), %%xmm0, %%xmm4 \n\t" + "vmulpd -112(%1), %%xmm0, %%xmm5 \n\t" + "vmulpd -96(%1), %%xmm0, %%xmm6 \n\t" + "vmulpd -80(%1), %%xmm0, %%xmm7 \n\t" + + "vmovups %%xmm4 ,-128(%1) \n\t" + "vmovups %%xmm5 ,-112(%1) \n\t" + "vmovups %%xmm6 , -96(%1) \n\t" + "vmovups %%xmm7 , -80(%1) \n\t" + + "5: \n\t" + + "vzeroupper \n\t" + + : + : + "r" (n1), // 0 + "r" (x), // 1 + "r" (alpha), // 2 + "r" (n2) // 3 + : "cc", + "%xmm0", "%xmm1", "%xmm2", "%xmm3", + "%xmm4", "%xmm5", "%xmm6", "%xmm7", + "%xmm8", "%xmm9", "%xmm10", "%xmm11", + "%xmm12", "%xmm13", "%xmm14", "%xmm15", + "memory" + ); + +} + + +static void dscal_kernel_8_zero( BLASLONG n, FLOAT *alpha, FLOAT *x) __attribute__ ((noinline)); + +static void dscal_kernel_8_zero( BLASLONG n, FLOAT *alpha, FLOAT *x) +{ + + + BLASLONG n1 = n >> 4 ; + BLASLONG n2 = n & 8 ; + + __asm__ __volatile__ + ( + "vxorpd %%xmm0, %%xmm0 , %%xmm0 \n\t" + + "addq $128, %1 \n\t" + + "cmpq $0, %0 \n\t" + "je 2f \n\t" + + ".align 16 \n\t" + "1: \n\t" + + "vmovups %%xmm0 ,-128(%1) \n\t" + "vmovups %%xmm0 ,-112(%1) \n\t" + "vmovups %%xmm0 , -96(%1) \n\t" + "vmovups %%xmm0 , -80(%1) \n\t" + + "vmovups %%xmm0 , -64(%1) \n\t" + "vmovups %%xmm0 , -48(%1) \n\t" + "vmovups %%xmm0 , -32(%1) \n\t" + "vmovups %%xmm0 , -16(%1) \n\t" + + "addq $128, %1 \n\t" + "subq $1 , %0 \n\t" + "jnz 1b \n\t" + + "2: \n\t" + + "cmpq $8 ,%3 \n\t" + "jne 4f \n\t" + + "vmovups %%xmm0 ,-128(%1) \n\t" + "vmovups %%xmm0 ,-112(%1) \n\t" + "vmovups %%xmm0 , -96(%1) \n\t" + "vmovups %%xmm0 , -80(%1) \n\t" + + "4: \n\t" + + "vzeroupper \n\t" + + : + : + "r" (n1), // 0 + "r" (x), // 1 + "r" (alpha), // 2 + "r" (n2) // 3 + : "cc", + "%xmm0", "%xmm1", "%xmm2", "%xmm3", + "%xmm4", "%xmm5", "%xmm6", "%xmm7", + "%xmm8", "%xmm9", "%xmm10", "%xmm11", + "%xmm12", "%xmm13", "%xmm14", "%xmm15", + "memory" + ); + +} + +