added optimized dgemv_n kernel for haswell
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wernsaar
parent
8109d8232c
commit
faab7a181d
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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_4x8 1
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static void dgemv_kernel_4x8( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, BLASLONG lda4, FLOAT *alpha) __attribute__ ((noinline));
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static void dgemv_kernel_4x8( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, BLASLONG lda4, FLOAT *alpha)
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{
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BLASLONG register i = 0;
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__asm__ __volatile__
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(
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"vzeroupper \n\t"
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"vbroadcastsd (%2), %%ymm12 \n\t" // x0
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"vbroadcastsd 8(%2), %%ymm13 \n\t" // x1
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"vbroadcastsd 16(%2), %%ymm14 \n\t" // x2
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"vbroadcastsd 24(%2), %%ymm15 \n\t" // x3
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"vbroadcastsd 32(%2), %%ymm0 \n\t" // x4
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"vbroadcastsd 40(%2), %%ymm1 \n\t" // x5
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"vbroadcastsd 48(%2), %%ymm2 \n\t" // x6
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"vbroadcastsd 56(%2), %%ymm3 \n\t" // x7
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"vbroadcastsd (%9), %%ymm6 \n\t" // alpha
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"testq $0x04, %1 \n\t"
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"jz .L8LABEL%= \n\t"
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"vmovupd (%3,%0,8), %%ymm7 \n\t" // 4 * y
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"vxorpd %%ymm4 , %%ymm4, %%ymm4 \n\t"
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"vxorpd %%ymm5 , %%ymm5, %%ymm5 \n\t"
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"vfmadd231pd (%4,%0,8), %%ymm12, %%ymm4 \n\t"
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"vfmadd231pd (%5,%0,8), %%ymm13, %%ymm5 \n\t"
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"vfmadd231pd (%6,%0,8), %%ymm14, %%ymm4 \n\t"
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"vfmadd231pd (%7,%0,8), %%ymm15, %%ymm5 \n\t"
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"vfmadd231pd (%4,%8,8), %%ymm0 , %%ymm4 \n\t"
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"vfmadd231pd (%5,%8,8), %%ymm1 , %%ymm5 \n\t"
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"vfmadd231pd (%6,%8,8), %%ymm2 , %%ymm4 \n\t"
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"vfmadd231pd (%7,%8,8), %%ymm3 , %%ymm5 \n\t"
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"vaddpd %%ymm4 , %%ymm5 , %%ymm5 \n\t"
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"vmulpd %%ymm6 , %%ymm5 , %%ymm5 \n\t"
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"vaddpd %%ymm7 , %%ymm5 , %%ymm5 \n\t"
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"vmovupd %%ymm5, (%3,%0,8) \n\t" // 4 * y
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"addq $4 , %8 \n\t"
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"addq $4 , %0 \n\t"
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"subq $4 , %1 \n\t"
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".L8LABEL%=: \n\t"
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"cmpq $0, %1 \n\t"
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"je .L16END%= \n\t"
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".align 16 \n\t"
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".L01LOOP%=: \n\t"
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"vxorpd %%ymm4 , %%ymm4, %%ymm4 \n\t"
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"vxorpd %%ymm5 , %%ymm5, %%ymm5 \n\t"
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"vmovupd (%3,%0,8), %%ymm8 \n\t" // 4 * y
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"vmovupd 32(%3,%0,8), %%ymm9 \n\t" // 4 * y
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"vfmadd231pd (%4,%0,8), %%ymm12, %%ymm4 \n\t"
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"vfmadd231pd 32(%4,%0,8), %%ymm12, %%ymm5 \n\t"
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"vfmadd231pd (%5,%0,8), %%ymm13, %%ymm4 \n\t"
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"vfmadd231pd 32(%5,%0,8), %%ymm13, %%ymm5 \n\t"
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"vfmadd231pd (%6,%0,8), %%ymm14, %%ymm4 \n\t"
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"vfmadd231pd 32(%6,%0,8), %%ymm14, %%ymm5 \n\t"
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"vfmadd231pd (%7,%0,8), %%ymm15, %%ymm4 \n\t"
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"vfmadd231pd 32(%7,%0,8), %%ymm15, %%ymm5 \n\t"
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"vfmadd231pd (%4,%8,8), %%ymm0 , %%ymm4 \n\t"
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"addq $8 , %0 \n\t"
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"vfmadd231pd 32(%4,%8,8), %%ymm0 , %%ymm5 \n\t"
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"vfmadd231pd (%5,%8,8), %%ymm1 , %%ymm4 \n\t"
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"vfmadd231pd 32(%5,%8,8), %%ymm1 , %%ymm5 \n\t"
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"vfmadd231pd (%6,%8,8), %%ymm2 , %%ymm4 \n\t"
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"vfmadd231pd 32(%6,%8,8), %%ymm2 , %%ymm5 \n\t"
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"vfmadd231pd (%7,%8,8), %%ymm3 , %%ymm4 \n\t"
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"vfmadd231pd 32(%7,%8,8), %%ymm3 , %%ymm5 \n\t"
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"vfmadd231pd %%ymm6 , %%ymm4 , %%ymm8 \n\t"
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"vfmadd231pd %%ymm6 , %%ymm5 , %%ymm9 \n\t"
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"addq $8 , %8 \n\t"
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"vmovupd %%ymm8,-64(%3,%0,8) \n\t" // 4 * y
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"subq $8 , %1 \n\t"
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"vmovupd %%ymm9,-32(%3,%0,8) \n\t" // 4 * y
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"jnz .L01LOOP%= \n\t"
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".L16END%=: \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" (ap[0]), // 4
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"r" (ap[1]), // 5
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"r" (ap[2]), // 6
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"r" (ap[3]), // 7
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"r" (lda4), // 8
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"r" (alpha) // 9
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: "cc",
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"%xmm0", "%xmm1",
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"%xmm2", "%xmm3",
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"%xmm4", "%xmm5",
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"%xmm6", "%xmm7",
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"%xmm8", "%xmm9",
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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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#define HAVE_KERNEL_4x4 1
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static void dgemv_kernel_4x4( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, FLOAT *alpha) __attribute__ ((noinline));
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static void dgemv_kernel_4x4( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, FLOAT *alpha)
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{
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BLASLONG register i = 0;
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__asm__ __volatile__
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(
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"vzeroupper \n\t"
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"vbroadcastsd (%2), %%ymm12 \n\t" // x0
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"vbroadcastsd 8(%2), %%ymm13 \n\t" // x1
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"vbroadcastsd 16(%2), %%ymm14 \n\t" // x2
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"vbroadcastsd 24(%2), %%ymm15 \n\t" // x3
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"vbroadcastsd (%8), %%ymm6 \n\t" // alpha
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"testq $0x04, %1 \n\t"
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"jz .L8LABEL%= \n\t"
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"vxorpd %%ymm4 , %%ymm4, %%ymm4 \n\t"
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"vxorpd %%ymm5 , %%ymm5, %%ymm5 \n\t"
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"vmovupd (%3,%0,8), %%ymm7 \n\t" // 4 * y
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"vfmadd231pd (%4,%0,8), %%ymm12, %%ymm4 \n\t"
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"vfmadd231pd (%5,%0,8), %%ymm13, %%ymm5 \n\t"
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"vfmadd231pd (%6,%0,8), %%ymm14, %%ymm4 \n\t"
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"vfmadd231pd (%7,%0,8), %%ymm15, %%ymm5 \n\t"
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"vaddpd %%ymm4 , %%ymm5 , %%ymm5 \n\t"
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"vmulpd %%ymm6 , %%ymm5 , %%ymm5 \n\t"
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"vaddpd %%ymm7 , %%ymm5 , %%ymm5 \n\t"
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"vmovupd %%ymm5, (%3,%0,8) \n\t" // 4 * y
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"addq $4 , %0 \n\t"
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"subq $4 , %1 \n\t"
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".L8LABEL%=: \n\t"
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"cmpq $0, %1 \n\t"
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"je .L8END%= \n\t"
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".align 16 \n\t"
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".L01LOOP%=: \n\t"
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"vxorpd %%ymm4 , %%ymm4, %%ymm4 \n\t"
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"vxorpd %%ymm5 , %%ymm5, %%ymm5 \n\t"
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"vmovupd (%3,%0,8), %%ymm8 \n\t" // 4 * y
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"vmovupd 32(%3,%0,8), %%ymm9 \n\t" // 4 * y
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"vfmadd231pd (%4,%0,8), %%ymm12, %%ymm4 \n\t"
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"vfmadd231pd 32(%4,%0,8), %%ymm12, %%ymm5 \n\t"
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"vfmadd231pd (%5,%0,8), %%ymm13, %%ymm4 \n\t"
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"vfmadd231pd 32(%5,%0,8), %%ymm13, %%ymm5 \n\t"
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"vfmadd231pd (%6,%0,8), %%ymm14, %%ymm4 \n\t"
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"vfmadd231pd 32(%6,%0,8), %%ymm14, %%ymm5 \n\t"
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"vfmadd231pd (%7,%0,8), %%ymm15, %%ymm4 \n\t"
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"vfmadd231pd 32(%7,%0,8), %%ymm15, %%ymm5 \n\t"
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"vfmadd231pd %%ymm6 , %%ymm4 , %%ymm8 \n\t"
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"vfmadd231pd %%ymm6 , %%ymm5 , %%ymm9 \n\t"
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"vmovupd %%ymm8, (%3,%0,8) \n\t" // 4 * y
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"vmovupd %%ymm9, 32(%3,%0,8) \n\t" // 4 * y
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"addq $8 , %0 \n\t"
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"subq $8 , %1 \n\t"
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"jnz .L01LOOP%= \n\t"
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".L8END%=: \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" (ap[0]), // 4
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"r" (ap[1]), // 5
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"r" (ap[2]), // 6
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"r" (ap[3]), // 7
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"r" (alpha) // 8
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: "cc",
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"%xmm4", "%xmm5",
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"%xmm6", "%xmm7",
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"%xmm8", "%xmm9",
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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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