add optimized ddot-kernel for piledriver
This commit is contained in:
Werner Saar
parent
34ba66606a
commit
baa0363ea2
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@ -29,10 +29,12 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "common.h"
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#if defined(BULLDOZER) || defined(PILEDRIVER)
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#if defined(BULLDOZER)
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#include "ddot_microk_bulldozer-2.c"
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#elif defined(STEAMROLLER)
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#include "ddot_microk_steamroller-2.c"
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#elif defined(PILEDRIVER)
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#include "ddot_microk_piledriver-2.c"
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#elif defined(NEHALEM)
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#include "ddot_microk_nehalem-2.c"
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#elif defined(HASWELL)
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@ -0,0 +1,165 @@
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/***************************************************************************
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Copyright (c) 2014, The OpenBLAS Project
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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3. Neither the name of the OpenBLAS project nor the names of
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its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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#define HAVE_KERNEL_8 1
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static void ddot_kernel_8( BLASLONG n, FLOAT *x, FLOAT *y , FLOAT *dot) __attribute__ ((noinline));
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static void ddot_kernel_8( BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *dot)
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{
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BLASLONG register i = 0;
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if ( n < 1408 )
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{
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__asm__ __volatile__
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(
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"vzeroupper \n\t"
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"vxorpd %%xmm4, %%xmm4, %%xmm4 \n\t"
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"vxorpd %%xmm5, %%xmm5, %%xmm5 \n\t"
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"vxorpd %%xmm6, %%xmm6, %%xmm6 \n\t"
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"vxorpd %%xmm7, %%xmm7, %%xmm7 \n\t"
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".align 16 \n\t"
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"1: \n\t"
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"vmovups (%2,%0,8), %%xmm12 \n\t" // 2 * x
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"vmovups 16(%2,%0,8), %%xmm13 \n\t" // 2 * x
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"vmovups 32(%2,%0,8), %%xmm14 \n\t" // 2 * x
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"vmovups 48(%2,%0,8), %%xmm15 \n\t" // 2 * x
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"vfmadd231pd (%3,%0,8), %%xmm12, %%xmm4 \n\t" // 2 * y
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"vmovups 64(%2,%0,8), %%xmm0 \n\t" // 2 * x
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"vmovups 80(%2,%0,8), %%xmm1 \n\t" // 2 * x
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"vfmadd231pd 16(%3,%0,8), %%xmm13, %%xmm5 \n\t" // 2 * y
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"vmovups 96(%2,%0,8), %%xmm2 \n\t" // 2 * x
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"vmovups 112(%2,%0,8), %%xmm3 \n\t" // 2 * x
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"vfmadd231pd 32(%3,%0,8), %%xmm14, %%xmm6 \n\t" // 2 * y
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"vfmadd231pd 48(%3,%0,8), %%xmm15, %%xmm7 \n\t" // 2 * y
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"vfmadd231pd 64(%3,%0,8), %%xmm0 , %%xmm4 \n\t" // 2 * y
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"vfmadd231pd 80(%3,%0,8), %%xmm1 , %%xmm5 \n\t" // 2 * y
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"vfmadd231pd 96(%3,%0,8), %%xmm2 , %%xmm6 \n\t" // 2 * y
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"vfmadd231pd 112(%3,%0,8), %%xmm3 , %%xmm7 \n\t" // 2 * y
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"addq $16 , %0 \n\t"
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"subq $16 , %1 \n\t"
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"jnz 1b \n\t"
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"vaddpd %%xmm4, %%xmm5, %%xmm4 \n\t"
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"vaddpd %%xmm6, %%xmm7, %%xmm6 \n\t"
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"vaddpd %%xmm4, %%xmm6, %%xmm4 \n\t"
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"vhaddpd %%xmm4, %%xmm4, %%xmm4 \n\t"
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"vmovsd %%xmm4, (%4) \n\t"
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"vzeroupper \n\t"
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:
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:
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"r" (i), // 0
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"r" (n), // 1
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"r" (x), // 2
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"r" (y), // 3
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"r" (dot) // 4
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: "cc",
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"%xmm0", "%xmm1", "%xmm2", "%xmm3",
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"%xmm4", "%xmm5", "%xmm6", "%xmm7",
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"%xmm12", "%xmm13", "%xmm14", "%xmm15",
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"memory"
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);
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return;
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}
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__asm__ __volatile__
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(
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"vzeroupper \n\t"
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"vxorpd %%xmm4, %%xmm4, %%xmm4 \n\t"
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"vxorpd %%xmm5, %%xmm5, %%xmm5 \n\t"
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"vxorpd %%xmm6, %%xmm6, %%xmm6 \n\t"
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"vxorpd %%xmm7, %%xmm7, %%xmm7 \n\t"
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".align 16 \n\t"
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"1: \n\t"
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"prefetcht0 768(%2,%0,8) \n\t"
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"prefetcht0 832(%2,%0,8) \n\t"
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"vmovups (%2,%0,8), %%xmm12 \n\t" // 2 * x
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"vmovups 16(%2,%0,8), %%xmm13 \n\t" // 2 * x
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"vmovups 32(%2,%0,8), %%xmm14 \n\t" // 2 * x
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"vmovups 48(%2,%0,8), %%xmm15 \n\t" // 2 * x
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"prefetcht0 768(%3,%0,8) \n\t"
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"prefetcht0 832(%3,%0,8) \n\t"
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"vfmadd231pd (%3,%0,8), %%xmm12, %%xmm4 \n\t" // 2 * y
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"vmovups 64(%2,%0,8), %%xmm0 \n\t" // 2 * x
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"vmovups 80(%2,%0,8), %%xmm1 \n\t" // 2 * x
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"vfmadd231pd 16(%3,%0,8), %%xmm13, %%xmm5 \n\t" // 2 * y
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"vmovups 96(%2,%0,8), %%xmm2 \n\t" // 2 * x
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"vmovups 112(%2,%0,8), %%xmm3 \n\t" // 2 * x
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"vfmadd231pd 32(%3,%0,8), %%xmm14, %%xmm6 \n\t" // 2 * y
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"vfmadd231pd 48(%3,%0,8), %%xmm15, %%xmm7 \n\t" // 2 * y
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"vfmadd231pd 64(%3,%0,8), %%xmm0 , %%xmm4 \n\t" // 2 * y
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"vfmadd231pd 80(%3,%0,8), %%xmm1 , %%xmm5 \n\t" // 2 * y
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"vfmadd231pd 96(%3,%0,8), %%xmm2 , %%xmm6 \n\t" // 2 * y
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"vfmadd231pd 112(%3,%0,8), %%xmm3 , %%xmm7 \n\t" // 2 * y
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"addq $16 , %0 \n\t"
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"subq $16 , %1 \n\t"
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"jnz 1b \n\t"
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"vaddpd %%xmm4, %%xmm5, %%xmm4 \n\t"
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"vaddpd %%xmm6, %%xmm7, %%xmm6 \n\t"
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"vaddpd %%xmm4, %%xmm6, %%xmm4 \n\t"
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"vhaddpd %%xmm4, %%xmm4, %%xmm4 \n\t"
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"vmovsd %%xmm4, (%4) \n\t"
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"vzeroupper \n\t"
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:
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:
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"r" (i), // 0
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"r" (n), // 1
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"r" (x), // 2
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"r" (y), // 3
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"r" (dot) // 4
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: "cc",
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"%xmm0", "%xmm1", "%xmm2", "%xmm3",
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"%xmm4", "%xmm5", "%xmm6", "%xmm7",
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"%xmm12", "%xmm13", "%xmm14", "%xmm15",
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"memory"
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);
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}
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