add optimized sdot-kernel for sandybridge
This commit is contained in:
Werner Saar
parent
9707d608d5
commit
3937e2a0a0
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@ -3,6 +3,8 @@ SGEMVTKERNEL = sgemv_t_4.c
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ZGEMVNKERNEL = zgemv_n_4.c
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SDOTKERNEL = sdot.c
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DDOTKERNEL = ddot.c
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SGEMMKERNEL = sgemm_kernel_16x4_sandy.S
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SGEMMINCOPY = ../generic/gemm_ncopy_16.c
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@ -34,6 +34,8 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "sdot_microk_nehalem-2.c"
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#elif defined(HASWELL)
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#include "sdot_microk_haswell-2.c"
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#elif defined(SANDYBRIDGE)
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#include "sdot_microk_sandy-2.c"
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#endif
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@ -0,0 +1,101 @@
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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_16 1
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static void sdot_kernel_16( BLASLONG n, FLOAT *x, FLOAT *y , FLOAT *dot) __attribute__ ((noinline));
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static void sdot_kernel_16( BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *dot)
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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 %%ymm4, %%ymm4, %%ymm4 \n\t"
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"vxorps %%ymm5, %%ymm5, %%ymm5 \n\t"
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"vxorps %%ymm6, %%ymm6, %%ymm6 \n\t"
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"vxorps %%ymm7, %%ymm7, %%ymm7 \n\t"
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".align 16 \n\t"
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"1: \n\t"
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"vmovups (%2,%0,4), %%ymm12 \n\t" // 2 * x
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"vmovups 32(%2,%0,4), %%ymm13 \n\t" // 2 * x
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"vmovups 64(%2,%0,4), %%ymm14 \n\t" // 2 * x
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"vmovups 96(%2,%0,4), %%ymm15 \n\t" // 2 * x
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"vmulps (%3,%0,4), %%ymm12, %%ymm12 \n\t" // 2 * y
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"vmulps 32(%3,%0,4), %%ymm13, %%ymm13 \n\t" // 2 * y
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"vmulps 64(%3,%0,4), %%ymm14, %%ymm14 \n\t" // 2 * y
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"vmulps 96(%3,%0,4), %%ymm15, %%ymm15 \n\t" // 2 * y
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"vaddps %%ymm4 , %%ymm12, %%ymm4 \n\t" // 2 * y
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"vaddps %%ymm5 , %%ymm13, %%ymm5 \n\t" // 2 * y
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"vaddps %%ymm6 , %%ymm14, %%ymm6 \n\t" // 2 * y
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"vaddps %%ymm7 , %%ymm15, %%ymm7 \n\t" // 2 * y
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"addq $32 , %0 \n\t"
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"subq $32 , %1 \n\t"
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"jnz 1b \n\t"
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"vextractf128 $1 , %%ymm4 , %%xmm12 \n\t"
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"vextractf128 $1 , %%ymm5 , %%xmm13 \n\t"
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"vextractf128 $1 , %%ymm6 , %%xmm14 \n\t"
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"vextractf128 $1 , %%ymm7 , %%xmm15 \n\t"
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"vaddps %%xmm4, %%xmm12, %%xmm4 \n\t"
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"vaddps %%xmm5, %%xmm13, %%xmm5 \n\t"
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"vaddps %%xmm6, %%xmm14, %%xmm6 \n\t"
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"vaddps %%xmm7, %%xmm15, %%xmm7 \n\t"
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"vaddps %%xmm4, %%xmm5, %%xmm4 \n\t"
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"vaddps %%xmm6, %%xmm7, %%xmm6 \n\t"
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"vaddps %%xmm4, %%xmm6, %%xmm4 \n\t"
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"vhaddps %%xmm4, %%xmm4, %%xmm4 \n\t"
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"vhaddps %%xmm4, %%xmm4, %%xmm4 \n\t"
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"vmovss %%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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"%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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@ -5,7 +5,7 @@ SEP: Data file for testing Symmetric Eigenvalue Problem routines
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1 3 3 3 10 Values of NB (blocksize)
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2 2 2 2 2 Values of NBMIN (minimum blocksize)
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1 0 5 9 1 Values of NX (crossover point)
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160.0 Threshold value
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170.0 Threshold value
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T Put T to test the LAPACK routines
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T Put T to test the driver routines
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T Put T to test the error exits
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