From e9f33b4ca73ca58cbc21fdfc690bd7bc6a0993e9 Mon Sep 17 00:00:00 2001 From: Werner Saar Date: Wed, 15 Apr 2015 13:49:23 +0200 Subject: [PATCH] added optimized caxpy-kernel for steamroller --- kernel/x86_64/caxpy.c | 4 +- kernel/x86_64/caxpy_microk_steamroller-2.c | 200 +++++++++++++++++++++ 2 files changed, 203 insertions(+), 1 deletion(-) create mode 100644 kernel/x86_64/caxpy_microk_steamroller-2.c diff --git a/kernel/x86_64/caxpy.c b/kernel/x86_64/caxpy.c index 29342f46f..80d3a763c 100644 --- a/kernel/x86_64/caxpy.c +++ b/kernel/x86_64/caxpy.c @@ -29,7 +29,9 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include "common.h" -#if defined(BULLDOZER) || defined(PILEDRIVER) || defined(STEAMROLLER) +#if defined(PILEDRIVER) || defined(STEAMROLLER) +#include "caxpy_microk_steamroller-2.c" +#elif defined(BULLDOZER) #include "caxpy_microk_bulldozer-2.c" #endif diff --git a/kernel/x86_64/caxpy_microk_steamroller-2.c b/kernel/x86_64/caxpy_microk_steamroller-2.c new file mode 100644 index 000000000..87370b032 --- /dev/null +++ b/kernel/x86_64/caxpy_microk_steamroller-2.c @@ -0,0 +1,200 @@ +/*************************************************************************** +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_8 1 +static void caxpy_kernel_8( BLASLONG n, FLOAT *x, FLOAT *y , FLOAT *alpha) __attribute__ ((noinline)); + +static void caxpy_kernel_8( BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *alpha) +{ + +#if !defined(CONJ) + FLOAT mvec[4] = { -1.0, 1.0, -1.0, 1.0 }; +#else + FLOAT mvec[4] = { 1.0, -1.0, 1.0, -1.0 }; +#endif + + BLASLONG register i = 0; + + if ( n <= 2048 ) + { + + __asm__ __volatile__ + ( + "vzeroupper \n\t" + "vbroadcastss (%4), %%xmm0 \n\t" // real part of alpha + "vbroadcastss 4(%4), %%xmm1 \n\t" // imag part of alpha +#if !defined(CONJ) + "vmulps (%5), %%xmm1 , %%xmm1 \n\t" +#else + "vmulps (%5), %%xmm0 , %%xmm0 \n\t" +#endif + + ".align 16 \n\t" + "1: \n\t" + + "vmovups (%2,%0,4), %%xmm5 \n\t" // 2 complex values from x + ".align 2 \n\t" + "vmovups 16(%2,%0,4), %%xmm7 \n\t" // 2 complex values from x + "vmovups 32(%2,%0,4), %%xmm9 \n\t" // 2 complex values from x + "vmovups 48(%2,%0,4), %%xmm11 \n\t" // 2 complex values from x + + "vmovups 64(%2,%0,4), %%xmm12 \n\t" // 2 complex values from x + "vmovups 80(%2,%0,4), %%xmm13 \n\t" // 2 complex values from x + "vmovups 96(%2,%0,4), %%xmm14 \n\t" // 2 complex values from x + "vmovups 112(%2,%0,4), %%xmm15 \n\t" // 2 complex values from x + + "vpermilps $0xb1 , %%xmm5 , %%xmm4 \n\t" // exchange real and imag part + "vpermilps $0xb1 , %%xmm7 , %%xmm6 \n\t" // exchange real and imag part + "vpermilps $0xb1 , %%xmm9 , %%xmm8 \n\t" // exchange real and imag part + "vpermilps $0xb1 , %%xmm11, %%xmm10 \n\t" // exchange real and imag part + + "vfmadd213ps (%3,%0,4), %%xmm0 , %%xmm5 \n\t" + ".align 2 \n\t" + "vfmadd213ps 16(%3,%0,4), %%xmm0 , %%xmm7 \n\t" + "vfmadd213ps 32(%3,%0,4), %%xmm0 , %%xmm9 \n\t" + "vfmadd213ps 48(%3,%0,4), %%xmm0 , %%xmm11 \n\t" + + "vfmadd231ps %%xmm1 , %%xmm4 , %%xmm5 \n\t" + "vfmadd231ps %%xmm1 , %%xmm6 , %%xmm7 \n\t" + "vfmadd231ps %%xmm1 , %%xmm8 , %%xmm9 \n\t" + "vfmadd231ps %%xmm1 , %%xmm10, %%xmm11 \n\t" + + "vpermilps $0xb1 , %%xmm12, %%xmm4 \n\t" // exchange real and imag part + "vpermilps $0xb1 , %%xmm13, %%xmm6 \n\t" // exchange real and imag part + "vpermilps $0xb1 , %%xmm14, %%xmm8 \n\t" // exchange real and imag part + "vpermilps $0xb1 , %%xmm15, %%xmm10 \n\t" // exchange real and imag part + + "vfmadd213ps 64(%3,%0,4), %%xmm0 , %%xmm12 \n\t" + "vfmadd213ps 80(%3,%0,4), %%xmm0 , %%xmm13 \n\t" + "vfmadd213ps 96(%3,%0,4), %%xmm0 , %%xmm14 \n\t" + "vfmadd213ps 112(%3,%0,4), %%xmm0 , %%xmm15 \n\t" + + "vfmadd231ps %%xmm1 , %%xmm4 , %%xmm12 \n\t" + "vfmadd231ps %%xmm1 , %%xmm6 , %%xmm13 \n\t" + "vfmadd231ps %%xmm1 , %%xmm8 , %%xmm14 \n\t" + "vfmadd231ps %%xmm1 , %%xmm10, %%xmm15 \n\t" + + "vmovups %%xmm5 , (%3,%0,4) \n\t" + ".align 2 \n\t" + "vmovups %%xmm7 , 16(%3,%0,4) \n\t" + "vmovups %%xmm9 , 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 $16, %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 + "r" (mvec) // 5 + : "cc", + "%xmm0", "%xmm1", + "%xmm4", "%xmm5", "%xmm6", "%xmm7", + "%xmm8", "%xmm9", "%xmm10", "%xmm11", + "%xmm12", "%xmm13", "%xmm14", "%xmm15", + "memory" + ); + return; + } + + __asm__ __volatile__ + ( + "vzeroupper \n\t" + "vbroadcastss (%4), %%xmm0 \n\t" // real part of alpha + "vbroadcastss 4(%4), %%xmm1 \n\t" // imag part of alpha +#if !defined(CONJ) + "vmulps (%5), %%xmm1 , %%xmm1 \n\t" +#else + "vmulps (%5), %%xmm0 , %%xmm0 \n\t" +#endif + + ".align 16 \n\t" + "1: \n\t" + + "prefetcht0 512(%2,%0,4) \n\t" + "vmovups (%2,%0,4), %%xmm5 \n\t" // 2 complex values from x + ".align 2 \n\t" + "vmovups 16(%2,%0,4), %%xmm7 \n\t" // 2 complex values from x + "vmovups 32(%2,%0,4), %%xmm9 \n\t" // 2 complex values from x + "vmovups 48(%2,%0,4), %%xmm11 \n\t" // 2 complex values from x + + "vpermilps $0xb1 , %%xmm5 , %%xmm4 \n\t" // exchange real and imag part + "vpermilps $0xb1 , %%xmm7 , %%xmm6 \n\t" // exchange real and imag part + "vpermilps $0xb1 , %%xmm9 , %%xmm8 \n\t" // exchange real and imag part + "vpermilps $0xb1 , %%xmm11, %%xmm10 \n\t" // exchange real and imag part + + "prefetcht0 512(%3,%0,4) \n\t" + "vfmadd213ps (%3,%0,4), %%xmm0 , %%xmm5 \n\t" + ".align 2 \n\t" + "vfmadd213ps 16(%3,%0,4), %%xmm0 , %%xmm7 \n\t" + "vfmadd213ps 32(%3,%0,4), %%xmm0 , %%xmm9 \n\t" + "vfmadd213ps 48(%3,%0,4), %%xmm0 , %%xmm11 \n\t" + + "vfmadd231ps %%xmm1 , %%xmm4 , %%xmm5 \n\t" + "vfmadd231ps %%xmm1 , %%xmm6 , %%xmm7 \n\t" + "vfmadd231ps %%xmm1 , %%xmm8 , %%xmm9 \n\t" + "vfmadd231ps %%xmm1 , %%xmm10, %%xmm11 \n\t" + + "vmovups %%xmm5 , (%3,%0,4) \n\t" + ".align 2 \n\t" + "vmovups %%xmm7 , 16(%3,%0,4) \n\t" + "vmovups %%xmm9 , 32(%3,%0,4) \n\t" + "vmovups %%xmm11, 48(%3,%0,4) \n\t" + + "addq $16, %0 \n\t" + "subq $8, %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 + "r" (mvec) // 5 + : "cc", + "%xmm0", "%xmm1", + "%xmm4", "%xmm5", "%xmm6", "%xmm7", + "%xmm8", "%xmm9", "%xmm10", "%xmm11", + "memory" + ); + + +} +