added optimized sgemv_t kernel for haswell
This commit is contained in:
wernsaar
parent
95a8caa2f3
commit
891b960854
|
|
@ -30,6 +30,8 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
|
||||||
#if defined(BULLDOZER) || defined(PILEDRIVER)
|
#if defined(BULLDOZER) || defined(PILEDRIVER)
|
||||||
#include "sgemv_t_microk_bulldozer-2.c"
|
#include "sgemv_t_microk_bulldozer-2.c"
|
||||||
|
#elif defined(HASWELL)
|
||||||
|
#include "sgemv_t_microk_haswell-2.c"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/*
|
/*
|
||||||
|
|
|
||||||
|
|
@ -0,0 +1,112 @@
|
||||||
|
/***************************************************************************
|
||||||
|
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_16x4 1
|
||||||
|
static void sgemv_kernel_16x4( BLASLONG n, float **ap, float *x, float *y) __attribute__ ((noinline));
|
||||||
|
|
||||||
|
static void sgemv_kernel_16x4( BLASLONG n, float **ap, float *x, float *y)
|
||||||
|
{
|
||||||
|
|
||||||
|
BLASLONG register i = 0;
|
||||||
|
|
||||||
|
__asm__ __volatile__
|
||||||
|
(
|
||||||
|
"vzeroupper \n\t"
|
||||||
|
"vxorps %%ymm4 , %%ymm4, %%ymm4 \n\t"
|
||||||
|
"vxorps %%ymm5 , %%ymm5, %%ymm5 \n\t"
|
||||||
|
"vxorps %%ymm6 , %%ymm6, %%ymm6 \n\t"
|
||||||
|
"vxorps %%ymm7 , %%ymm7, %%ymm7 \n\t"
|
||||||
|
|
||||||
|
".align 16 \n\t"
|
||||||
|
".L01LOOP%=: \n\t"
|
||||||
|
"prefetcht0 384(%2,%0,4) \n\t"
|
||||||
|
"vmovups (%2,%0,4), %%ymm12 \n\t" // 8 * x
|
||||||
|
"vmovups 32(%2,%0,4), %%ymm13 \n\t" // 8 * x
|
||||||
|
|
||||||
|
"prefetcht0 384(%4,%0,4) \n\t"
|
||||||
|
"vfmadd231ps (%4,%0,4), %%ymm12, %%ymm4 \n\t"
|
||||||
|
"vfmadd231ps (%5,%0,4), %%ymm12, %%ymm5 \n\t"
|
||||||
|
"prefetcht0 384(%5,%0,4) \n\t"
|
||||||
|
"vfmadd231ps 32(%4,%0,4), %%ymm13, %%ymm4 \n\t"
|
||||||
|
"vfmadd231ps 32(%5,%0,4), %%ymm13, %%ymm5 \n\t"
|
||||||
|
"prefetcht0 384(%6,%0,4) \n\t"
|
||||||
|
"vfmadd231ps (%6,%0,4), %%ymm12, %%ymm6 \n\t"
|
||||||
|
"vfmadd231ps (%7,%0,4), %%ymm12, %%ymm7 \n\t"
|
||||||
|
"prefetcht0 384(%7,%0,4) \n\t"
|
||||||
|
"vfmadd231ps 32(%6,%0,4), %%ymm13, %%ymm6 \n\t"
|
||||||
|
"vfmadd231ps 32(%7,%0,4), %%ymm13, %%ymm7 \n\t"
|
||||||
|
|
||||||
|
"addq $16, %0 \n\t"
|
||||||
|
"subq $16, %1 \n\t"
|
||||||
|
"jnz .L01LOOP%= \n\t"
|
||||||
|
|
||||||
|
"vextractf128 $1 , %%ymm4, %%xmm12 \n\t"
|
||||||
|
"vextractf128 $1 , %%ymm5, %%xmm13 \n\t"
|
||||||
|
"vextractf128 $1 , %%ymm6, %%xmm14 \n\t"
|
||||||
|
"vextractf128 $1 , %%ymm7, %%xmm15 \n\t"
|
||||||
|
|
||||||
|
"vaddps %%xmm4, %%xmm12, %%xmm4 \n\t"
|
||||||
|
"vaddps %%xmm5, %%xmm13, %%xmm5 \n\t"
|
||||||
|
"vaddps %%xmm6, %%xmm14, %%xmm6 \n\t"
|
||||||
|
"vaddps %%xmm7, %%xmm15, %%xmm7 \n\t"
|
||||||
|
|
||||||
|
"vhaddps %%xmm4, %%xmm4, %%xmm4 \n\t"
|
||||||
|
"vhaddps %%xmm5, %%xmm5, %%xmm5 \n\t"
|
||||||
|
"vhaddps %%xmm6, %%xmm6, %%xmm6 \n\t"
|
||||||
|
"vhaddps %%xmm7, %%xmm7, %%xmm7 \n\t"
|
||||||
|
|
||||||
|
"vhaddps %%xmm4, %%xmm4, %%xmm4 \n\t"
|
||||||
|
"vhaddps %%xmm5, %%xmm5, %%xmm5 \n\t"
|
||||||
|
"vhaddps %%xmm6, %%xmm6, %%xmm6 \n\t"
|
||||||
|
"vhaddps %%xmm7, %%xmm7, %%xmm7 \n\t"
|
||||||
|
|
||||||
|
"vmovss %%xmm4, (%3) \n\t"
|
||||||
|
"vmovss %%xmm5, 4(%3) \n\t"
|
||||||
|
"vmovss %%xmm6, 8(%3) \n\t"
|
||||||
|
"vmovss %%xmm7, 12(%3) \n\t"
|
||||||
|
|
||||||
|
"vzeroupper \n\t"
|
||||||
|
|
||||||
|
:
|
||||||
|
:
|
||||||
|
"r" (i), // 0
|
||||||
|
"r" (n), // 1
|
||||||
|
"r" (x), // 2
|
||||||
|
"r" (y), // 3
|
||||||
|
"r" (ap[0]), // 4
|
||||||
|
"r" (ap[1]), // 5
|
||||||
|
"r" (ap[2]), // 6
|
||||||
|
"r" (ap[3]) // 7
|
||||||
|
: "cc",
|
||||||
|
"%xmm4", "%xmm5", "%xmm6", "%xmm7",
|
||||||
|
"%xmm12", "%xmm13", "%xmm14", "%xmm15",
|
||||||
|
"memory"
|
||||||
|
);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
Loading…
Reference in New Issue