From 331c417637d6f64cd38c2d2cc9ff562746bca8e9 Mon Sep 17 00:00:00 2001 From: Werner Saar Date: Tue, 14 Apr 2015 08:34:11 +0200 Subject: [PATCH] optimized saxpy for piledriver --- kernel/x86_64/KERNEL.PILEDRIVER | 1 + kernel/x86_64/saxpy.c | 2 + kernel/x86_64/saxpy_microk_piledriver-2.c | 159 ++++++++++++++++++++++ 3 files changed, 162 insertions(+) create mode 100644 kernel/x86_64/saxpy_microk_piledriver-2.c diff --git a/kernel/x86_64/KERNEL.PILEDRIVER b/kernel/x86_64/KERNEL.PILEDRIVER index 6eddebdad..514c6bac2 100644 --- a/kernel/x86_64/KERNEL.PILEDRIVER +++ b/kernel/x86_64/KERNEL.PILEDRIVER @@ -1,3 +1,4 @@ +SAXPYKERNEL = saxpy.c DAXPYKERNEL = daxpy.c CAXPYKERNEL = caxpy.c ZAXPYKERNEL = zaxpy.c diff --git a/kernel/x86_64/saxpy.c b/kernel/x86_64/saxpy.c index bb24d3cf5..9cc908f07 100644 --- a/kernel/x86_64/saxpy.c +++ b/kernel/x86_64/saxpy.c @@ -35,6 +35,8 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include "saxpy_microk_haswell-2.c" #elif defined(SANDYBRIDGE) #include "saxpy_microk_sandy-2.c" +#elif defined(PILEDRIVER) +#include "saxpy_microk_piledriver-2.c" #endif diff --git a/kernel/x86_64/saxpy_microk_piledriver-2.c b/kernel/x86_64/saxpy_microk_piledriver-2.c new file mode 100644 index 000000000..204cf8bac --- /dev/null +++ b/kernel/x86_64/saxpy_microk_piledriver-2.c @@ -0,0 +1,159 @@ +/*************************************************************************** +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_16 1 +static void saxpy_kernel_16( BLASLONG n, FLOAT *x, FLOAT *y , FLOAT *alpha) __attribute__ ((noinline)); + +static void saxpy_kernel_16( BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *alpha) +{ + + + BLASLONG register i = 0; + + if ( n < 1024 ) + { + + + __asm__ __volatile__ + ( + "vzeroupper \n\t" + "vbroadcastss (%4), %%xmm0 \n\t" // alpha + + ".align 16 \n\t" + "1: \n\t" + + "vmovups (%3,%0,4), %%xmm8 \n\t" // 4 * y + "vmovups 16(%3,%0,4), %%xmm9 \n\t" // 4 * y + "vmovups 32(%3,%0,4), %%xmm10 \n\t" // 4 * y + "vmovups 48(%3,%0,4), %%xmm11 \n\t" // 4 * y + "vmovups 64(%3,%0,4), %%xmm12 \n\t" // 4 * y + "vmovups 80(%3,%0,4), %%xmm13 \n\t" // 4 * y + "vmovups 96(%3,%0,4), %%xmm14 \n\t" // 4 * y + "vmovups 112(%3,%0,4), %%xmm15 \n\t" // 4 * y + + "vfmadd231ps (%2,%0,4), %%xmm0 , %%xmm8 \n\t" // y += alpha * x + "vfmadd231ps 16(%2,%0,4), %%xmm0 , %%xmm9 \n\t" // y += alpha * x + "vfmadd231ps 32(%2,%0,4), %%xmm0 , %%xmm10 \n\t" // y += alpha * x + "vfmadd231ps 48(%2,%0,4), %%xmm0 , %%xmm11 \n\t" // y += alpha * x + "vfmadd231ps 64(%2,%0,4), %%xmm0 , %%xmm12 \n\t" // y += alpha * x + "vfmadd231ps 80(%2,%0,4), %%xmm0 , %%xmm13 \n\t" // y += alpha * x + "vfmadd231ps 96(%2,%0,4), %%xmm0 , %%xmm14 \n\t" // y += alpha * x + "vfmadd231ps 112(%2,%0,4), %%xmm0 , %%xmm15 \n\t" // y += alpha * x + + "vmovups %%xmm8 , (%3,%0,4) \n\t" + "vmovups %%xmm9 , 16(%3,%0,4) \n\t" + "vmovups %%xmm10, 32(%3,%0,4) \n\t" + "vmovups %%xmm11, 48(%3,%0,4) \n\t" + "vmovups %%xmm12, 64(%3,%0,4) \n\t" + "vmovups %%xmm13, 80(%3,%0,4) \n\t" + "vmovups %%xmm14, 96(%3,%0,4) \n\t" + "vmovups %%xmm15,112(%3,%0,4) \n\t" + + "addq $32, %0 \n\t" + "subq $32, %1 \n\t" + "jnz 1b \n\t" + "vzeroupper \n\t" + + : + : + "r" (i), // 0 + "r" (n), // 1 + "r" (x), // 2 + "r" (y), // 3 + "r" (alpha) // 4 + : "cc", + "%xmm0", + "%xmm8", "%xmm9", "%xmm10", "%xmm11", + "%xmm12", "%xmm13", "%xmm14", "%xmm15", + "memory" + ); + return; + + } + + __asm__ __volatile__ + ( + "vzeroupper \n\t" + "vbroadcastss (%4), %%xmm0 \n\t" // alpha + + ".align 16 \n\t" + "1: \n\t" + "prefetcht0 512(%3,%0,4) \n\t" + "prefetcht0 576(%3,%0,4) \n\t" + + "vmovups (%3,%0,4), %%xmm8 \n\t" // 4 * y + "vmovups 16(%3,%0,4), %%xmm9 \n\t" // 4 * y + "vmovups 32(%3,%0,4), %%xmm10 \n\t" // 4 * y + "vmovups 48(%3,%0,4), %%xmm11 \n\t" // 4 * y + "vmovups 64(%3,%0,4), %%xmm12 \n\t" // 4 * y + "vmovups 80(%3,%0,4), %%xmm13 \n\t" // 4 * y + "vmovups 96(%3,%0,4), %%xmm14 \n\t" // 4 * y + "vmovups 112(%3,%0,4), %%xmm15 \n\t" // 4 * y + + "prefetcht0 512(%2,%0,4) \n\t" + "prefetcht0 576(%2,%0,4) \n\t" + "vfmadd231ps (%2,%0,4), %%xmm0 , %%xmm8 \n\t" // y += alpha * x + "vfmadd231ps 16(%2,%0,4), %%xmm0 , %%xmm9 \n\t" // y += alpha * x + "vfmadd231ps 32(%2,%0,4), %%xmm0 , %%xmm10 \n\t" // y += alpha * x + "vfmadd231ps 48(%2,%0,4), %%xmm0 , %%xmm11 \n\t" // y += alpha * x + "vfmadd231ps 64(%2,%0,4), %%xmm0 , %%xmm12 \n\t" // y += alpha * x + "vfmadd231ps 80(%2,%0,4), %%xmm0 , %%xmm13 \n\t" // y += alpha * x + "vfmadd231ps 96(%2,%0,4), %%xmm0 , %%xmm14 \n\t" // y += alpha * x + "vfmadd231ps 112(%2,%0,4), %%xmm0 , %%xmm15 \n\t" // y += alpha * x + + "vmovups %%xmm8 , (%3,%0,4) \n\t" + "vmovups %%xmm9 , 16(%3,%0,4) \n\t" + "vmovups %%xmm10, 32(%3,%0,4) \n\t" + "vmovups %%xmm11, 48(%3,%0,4) \n\t" + "vmovups %%xmm12, 64(%3,%0,4) \n\t" + "vmovups %%xmm13, 80(%3,%0,4) \n\t" + "vmovups %%xmm14, 96(%3,%0,4) \n\t" + "vmovups %%xmm15,112(%3,%0,4) \n\t" + + "addq $32, %0 \n\t" + "subq $32, %1 \n\t" + "jnz 1b \n\t" + "vzeroupper \n\t" + + : + : + "r" (i), // 0 + "r" (n), // 1 + "r" (x), // 2 + "r" (y), // 3 + "r" (alpha) // 4 + : "cc", + "%xmm0", + "%xmm8", "%xmm9", "%xmm10", "%xmm11", + "%xmm12", "%xmm13", "%xmm14", "%xmm15", + "memory" + ); + + +} + +