optimized sgemv_t for bulldozer
This commit is contained in:
wernsaar
parent
9570e56965
commit
93eaba959d
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@ -11,7 +11,7 @@ SSYMV_U_KERNEL = ssymv_U.c
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SSYMV_L_KERNEL = ssymv_L.c
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SSYMV_L_KERNEL = ssymv_L.c
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SGEMVNKERNEL = sgemv_n.c
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SGEMVNKERNEL = sgemv_n.c
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SGEMVTKERNEL = sgemv_t.c
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SGEMVTKERNEL = sgemv_t_4.c
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ZGEMVNKERNEL = zgemv_n_dup.S
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ZGEMVNKERNEL = zgemv_n_dup.S
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ZGEMVTKERNEL = zgemv_t.c
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ZGEMVTKERNEL = zgemv_t.c
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@ -30,6 +30,8 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#if defined(NEHALEM)
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#if defined(NEHALEM)
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#include "sgemv_t_microk_nehalem-4.c"
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#include "sgemv_t_microk_nehalem-4.c"
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#elif defined(BULLDOZER)
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#include "sgemv_t_microk_bulldozer-4.c"
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#endif
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#endif
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#define NBMAX 4096
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#define NBMAX 4096
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@ -202,9 +204,9 @@ static void add_y(BLASLONG n, FLOAT da , FLOAT *src, FLOAT *dest, BLASLONG inc_d
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"movups (%4,%0,4) , %%xmm11 \n\t"
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"movups (%4,%0,4) , %%xmm11 \n\t"
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"mulps %%xmm10 , %%xmm12 \n\t"
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"mulps %%xmm10 , %%xmm12 \n\t"
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"addq $4 , %0 \n\t"
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"addq $4 , %0 \n\t"
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"addps %%xmm11 , %%xmm12 \n\t"
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"addps %%xmm12 , %%xmm11 \n\t"
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"subq $4 , %1 \n\t"
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"subq $4 , %1 \n\t"
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"movups %%xmm12, -16(%4,%0,4) \n\t"
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"movups %%xmm11, -16(%4,%0,4) \n\t"
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"jnz .L01LOOP%= \n\t"
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"jnz .L01LOOP%= \n\t"
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@ -0,0 +1,147 @@
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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_4x4 1
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static void sgemv_kernel_4x4( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y) __attribute__ ((noinline));
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static void sgemv_kernel_4x4( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y)
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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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"vxorps %%xmm4, %%xmm4, %%xmm4 \n\t"
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"vxorps %%xmm5, %%xmm5, %%xmm5 \n\t"
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"vxorps %%xmm6, %%xmm6, %%xmm6 \n\t"
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"vxorps %%xmm7, %%xmm7, %%xmm7 \n\t"
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"testq $0x04, %1 \n\t"
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"jz .L08LABEL%= \n\t"
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"vmovups (%2,%0,4), %%xmm12 \n\t" // 4 * x
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"vfmaddps %%xmm4, (%4,%0,4), %%xmm12, %%xmm4 \n\t"
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"vfmaddps %%xmm5, (%5,%0,4), %%xmm12, %%xmm5 \n\t"
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"vfmaddps %%xmm6, (%6,%0,4), %%xmm12, %%xmm6 \n\t"
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"vfmaddps %%xmm7, (%7,%0,4), %%xmm12, %%xmm7 \n\t"
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"addq $4 , %0 \n\t"
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"subq $4 , %1 \n\t"
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".L08LABEL%=: \n\t"
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"testq $0x08, %1 \n\t"
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"jz .L16LABEL%= \n\t"
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"vmovups (%2,%0,4), %%xmm12 \n\t" // 4 * x
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"vmovups 16(%2,%0,4), %%xmm13 \n\t" // 4 * x
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"vfmaddps %%xmm4, (%4,%0,4), %%xmm12, %%xmm4 \n\t"
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"vfmaddps %%xmm5, (%5,%0,4), %%xmm12, %%xmm5 \n\t"
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"vfmaddps %%xmm6, (%6,%0,4), %%xmm12, %%xmm6 \n\t"
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"vfmaddps %%xmm7, (%7,%0,4), %%xmm12, %%xmm7 \n\t"
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"vfmaddps %%xmm4, 16(%4,%0,4), %%xmm13, %%xmm4 \n\t"
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"vfmaddps %%xmm5, 16(%5,%0,4), %%xmm13, %%xmm5 \n\t"
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"vfmaddps %%xmm6, 16(%6,%0,4), %%xmm13, %%xmm6 \n\t"
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"vfmaddps %%xmm7, 16(%7,%0,4), %%xmm13, %%xmm7 \n\t"
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"addq $8 , %0 \n\t"
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"subq $8 , %1 \n\t"
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".L16LABEL%=: \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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"vmovups (%2,%0,4), %%xmm12 \n\t" // 4 * x
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"prefetcht0 384(%4,%0,4) \n\t"
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"vfmaddps %%xmm4, (%4,%0,4), %%xmm12, %%xmm4 \n\t"
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"vfmaddps %%xmm5, (%5,%0,4), %%xmm12, %%xmm5 \n\t"
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"vmovups 16(%2,%0,4), %%xmm13 \n\t" // 4 * x
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"vfmaddps %%xmm6, (%6,%0,4), %%xmm12, %%xmm6 \n\t"
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"vfmaddps %%xmm7, (%7,%0,4), %%xmm12, %%xmm7 \n\t"
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"prefetcht0 384(%5,%0,4) \n\t"
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".align 2 \n\t"
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"vfmaddps %%xmm4, 16(%4,%0,4), %%xmm13, %%xmm4 \n\t"
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"vfmaddps %%xmm5, 16(%5,%0,4), %%xmm13, %%xmm5 \n\t"
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"vmovups 32(%2,%0,4), %%xmm14 \n\t" // 4 * x
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"vfmaddps %%xmm6, 16(%6,%0,4), %%xmm13, %%xmm6 \n\t"
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"vfmaddps %%xmm7, 16(%7,%0,4), %%xmm13, %%xmm7 \n\t"
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"prefetcht0 384(%6,%0,4) \n\t"
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".align 2 \n\t"
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"vfmaddps %%xmm4, 32(%4,%0,4), %%xmm14, %%xmm4 \n\t"
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"vfmaddps %%xmm5, 32(%5,%0,4), %%xmm14, %%xmm5 \n\t"
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"vmovups 48(%2,%0,4), %%xmm15 \n\t" // 4 * x
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"vfmaddps %%xmm6, 32(%6,%0,4), %%xmm14, %%xmm6 \n\t"
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"vfmaddps %%xmm7, 32(%7,%0,4), %%xmm14, %%xmm7 \n\t"
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"prefetcht0 384(%7,%0,4) \n\t"
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"vfmaddps %%xmm4, 48(%4,%0,4), %%xmm15, %%xmm4 \n\t"
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"addq $16, %0 \n\t"
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"vfmaddps %%xmm5,-16(%5,%0,4), %%xmm15, %%xmm5 \n\t"
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"vfmaddps %%xmm6,-16(%6,%0,4), %%xmm15, %%xmm6 \n\t"
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"subq $16, %1 \n\t"
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"vfmaddps %%xmm7,-16(%7,%0,4), %%xmm15, %%xmm7 \n\t"
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"jnz .L01LOOP%= \n\t"
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".L16END%=: \n\t"
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"vhaddps %%xmm4, %%xmm4, %%xmm4 \n\t"
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"vhaddps %%xmm5, %%xmm5, %%xmm5 \n\t"
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"vhaddps %%xmm6, %%xmm6, %%xmm6 \n\t"
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"vhaddps %%xmm7, %%xmm7, %%xmm7 \n\t"
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"vhaddps %%xmm4, %%xmm4, %%xmm4 \n\t"
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"vhaddps %%xmm5, %%xmm5, %%xmm5 \n\t"
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"vhaddps %%xmm6, %%xmm6, %%xmm6 \n\t"
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"vhaddps %%xmm7, %%xmm7, %%xmm7 \n\t"
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"vmovss %%xmm4, (%3) \n\t"
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"vmovss %%xmm5, 4(%3) \n\t"
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"vmovss %%xmm6, 8(%3) \n\t"
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"vmovss %%xmm7, 12(%3) \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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: "cc",
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"%xmm4", "%xmm5",
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"%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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