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added optimized cdot- and zdot-kernels for bulldozer

tags/v0.2.15^2
Werner Saar 10 years ago
parent
ba926e807c
commit
9299d8cfd6
7 changed files with 662 additions and 3 deletions
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  1. +5
    -2
      kernel/x86_64/KERNEL.BULLDOZER
  2. +3
    -0
      kernel/x86_64/KERNEL.PILEDRIVER
  3. +4
    -1
      kernel/x86_64/KERNEL.STEAMROLLER
  4. +174
    -0
      kernel/x86_64/cdot.c
  5. +196
    -0
      kernel/x86_64/cdot_microk_bulldozer-2.c
  6. +165
    -0
      kernel/x86_64/zdot.c
  7. +115
    -0
      kernel/x86_64/zdot_microk_bulldozer-2.c

+ 5
- 2
kernel/x86_64/KERNEL.BULLDOZER View File

@@ -3,7 +3,8 @@ CAXPYKERNEL = caxpy.c
ZAXPYKERNEL = zaxpy.c

SDOTKERNEL = sdot.c
#DDOTKERNEL = ddot.c
CDOTKERNEL = cdot.c
ZDOTKERNEL = zdot.c

DSYMV_U_KERNEL = dsymv_U.c
DSYMV_L_KERNEL = dsymv_L.c
@@ -26,11 +27,11 @@ SGEMMINCOPY = ../generic/gemm_ncopy_16.c
SGEMMITCOPY = ../generic/gemm_tcopy_16.c
SGEMMONCOPY = gemm_ncopy_2_bulldozer.S
SGEMMOTCOPY = gemm_tcopy_2_bulldozer.S

SGEMMINCOPYOBJ = sgemm_incopy$(TSUFFIX).$(SUFFIX)
SGEMMITCOPYOBJ = sgemm_itcopy$(TSUFFIX).$(SUFFIX)
SGEMMONCOPYOBJ = sgemm_oncopy$(TSUFFIX).$(SUFFIX)
SGEMMOTCOPYOBJ = sgemm_otcopy$(TSUFFIX).$(SUFFIX)

DGEMMKERNEL = dgemm_kernel_8x2_bulldozer.S
DGEMMINCOPY = dgemm_ncopy_8_bulldozer.S
DGEMMITCOPY = dgemm_tcopy_8_bulldozer.S
@@ -40,6 +41,7 @@ DGEMMINCOPYOBJ = dgemm_incopy$(TSUFFIX).$(SUFFIX)
DGEMMITCOPYOBJ = dgemm_itcopy$(TSUFFIX).$(SUFFIX)
DGEMMONCOPYOBJ = dgemm_oncopy$(TSUFFIX).$(SUFFIX)
DGEMMOTCOPYOBJ = dgemm_otcopy$(TSUFFIX).$(SUFFIX)

CGEMMKERNEL = cgemm_kernel_4x2_bulldozer.S
CGEMMINCOPY = ../generic/zgemm_ncopy_4.c
CGEMMITCOPY = ../generic/zgemm_tcopy_4.c
@@ -49,6 +51,7 @@ CGEMMINCOPYOBJ = cgemm_incopy$(TSUFFIX).$(SUFFIX)
CGEMMITCOPYOBJ = cgemm_itcopy$(TSUFFIX).$(SUFFIX)
CGEMMONCOPYOBJ = cgemm_oncopy$(TSUFFIX).$(SUFFIX)
CGEMMOTCOPYOBJ = cgemm_otcopy$(TSUFFIX).$(SUFFIX)

ZGEMMKERNEL = zgemm_kernel_2x2_bulldozer.S
ZGEMMINCOPY =
ZGEMMITCOPY =


+ 3
- 0
kernel/x86_64/KERNEL.PILEDRIVER View File

@@ -12,6 +12,9 @@ DGEMVNKERNEL = dgemv_n_bulldozer.S
DGEMVTKERNEL = dgemv_t_bulldozer.S

SDOTKERNEL = sdot.c
CDOTKERNEL = cdot.c
ZDOTKERNEL = zdot.c

DDOTKERNEL = ddot_bulldozer.S
DCOPYKERNEL = dcopy_bulldozer.S



+ 4
- 1
kernel/x86_64/KERNEL.STEAMROLLER View File

@@ -3,7 +3,10 @@ CAXPYKERNEL = caxpy.c
ZAXPYKERNEL = zaxpy.c

SDOTKERNEL = sdot.c
DDOTKERNEL = ddot.c
DDOTKERNEL = ddot_bullozer.S
CDOTKERNEL = cdot.c
ZDOTKERNEL = zdot.c


DSYMV_U_KERNEL = dsymv_U.c
DSYMV_L_KERNEL = dsymv_L.c


+ 174
- 0
kernel/x86_64/cdot.c View File

@@ -0,0 +1,174 @@
/***************************************************************************
Copyright (c) 2015, 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.
*****************************************************************************/


#include "common.h"
#include <complex.h>


#if defined(BULLDOZER) || defined(PILEDRIVER) || defined(STEAMROLLER)
#include "cdot_microk_bulldozer-2.c"
#elif defined(NEHALEM)
#include "cdot_microk_nehalem-2.c"
#elif defined(HASWELL)
#include "cdot_microk_haswell-2.c"
#elif defined(SANDYBRIDGE)
#include "cdot_microk_sandy-2.c"
#endif


#ifndef HAVE_KERNEL_16

static void cdot_kernel_16(BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *d) __attribute__ ((noinline));

static void cdot_kernel_16(BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *d)
{
BLASLONG register i = 0;
FLOAT dot[8] = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 };
BLASLONG j=0;

while( i < n )
{

dot[0] += x[j] * y[j] ;
dot[1] += x[j+1] * y[j+1] ;
dot[4] += x[j] * y[j+1] ;
dot[5] += x[j+1] * y[j] ;

dot[2] += x[j+2] * y[j+2] ;
dot[3] += x[j+3] * y[j+3] ;
dot[6] += x[j+2] * y[j+3] ;
dot[7] += x[j+3] * y[j+2] ;

dot[0] += x[j+4] * y[j+4] ;
dot[1] += x[j+5] * y[j+5] ;
dot[4] += x[j+4] * y[j+5] ;
dot[5] += x[j+5] * y[j+4] ;

dot[2] += x[j+6] * y[j+6] ;
dot[3] += x[j+7] * y[j+7] ;
dot[6] += x[j+6] * y[j+7] ;
dot[7] += x[j+7] * y[j+6] ;

j+=8;
i+=4;

}
d[0] = dot[0];
d[1] = dot[1];
d[2] = dot[2];
d[3] = dot[3];
d[4] = dot[4];
d[5] = dot[5];
d[6] = dot[6];
d[7] = dot[7];

}

#endif

FLOAT _Complex CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y)
{
BLASLONG i;
BLASLONG ix,iy;
FLOAT _Complex result;
FLOAT dot[8] = { 0.0, 0.0, 0.0 , 0.0, 0.0, 0.0, 0.0, 0.0 } ;

if ( n <= 0 )
{
__real__ result = 0.0 ;
__imag__ result = 0.0 ;
return(result);

}

if ( (inc_x == 1) && (inc_y == 1) )
{

int n1 = n & -16;

if ( n1 )
{
cdot_kernel_16(n1, x, y , dot );
dot[0] += dot[2];
dot[1] += dot[3];
dot[4] += dot[6];
dot[5] += dot[7];
}
i = n1;
int j = i * 2;
while( i < n )
{

dot[0] += x[j] * y[j] ;
dot[1] += x[j+1] * y[j+1] ;
dot[4] += x[j] * y[j+1] ;
dot[5] += x[j+1] * y[j] ;

j+=2;
i++ ;

}


}
else
{
i=0;
ix=0;
iy=0;
inc_x <<= 1;
inc_y <<= 1;
while(i < n)
{

dot[0] += x[ix] * y[iy] ;
dot[1] += x[ix+1] * y[iy+1] ;
dot[4] += x[ix] * y[iy+1] ;
dot[5] += x[ix+1] * y[iy] ;

ix += inc_x ;
iy += inc_y ;
i++ ;

}
}

#if !defined(CONJ)
__real__ result = dot[0] - dot[1];
__imag__ result = dot[4] + dot[5];
#else
__real__ result = dot[0] + dot[1];
__imag__ result = dot[4] - dot[5];

#endif

return(result);

}



+ 196
- 0
kernel/x86_64/cdot_microk_bulldozer-2.c View File

@@ -0,0 +1,196 @@
/***************************************************************************
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_16 1
static void cdot_kernel_16( BLASLONG n, FLOAT *x, FLOAT *y , FLOAT *dot) __attribute__ ((noinline));

static void cdot_kernel_16( BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *dot)
{


BLASLONG register i = 0;

if ( n <=1024 )
{

__asm__ __volatile__
(
"vzeroupper \n\t"
"vxorps %%xmm0, %%xmm0, %%xmm0 \n\t"
"vxorps %%xmm1, %%xmm1, %%xmm1 \n\t"
"vxorps %%xmm2, %%xmm2, %%xmm2 \n\t"
"vxorps %%xmm3, %%xmm3, %%xmm3 \n\t"
"vxorps %%xmm4, %%xmm4, %%xmm4 \n\t"
"vxorps %%xmm5, %%xmm5, %%xmm5 \n\t"
"vxorps %%xmm6, %%xmm6, %%xmm6 \n\t"
"vxorps %%xmm7, %%xmm7, %%xmm7 \n\t"

".align 16 \n\t"
"1: \n\t"
"vmovups (%2,%0,4), %%xmm8 \n\t" // 2 * x
"vmovups 16(%2,%0,4), %%xmm9 \n\t" // 2 * x

"vmovups (%3,%0,4), %%xmm12 \n\t" // 2 * y
"vmovups 16(%3,%0,4), %%xmm13 \n\t" // 2 * y

"vmovups 32(%2,%0,4), %%xmm10 \n\t" // 2 * x
"vmovups 48(%2,%0,4), %%xmm11 \n\t" // 2 * x

"vmovups 32(%3,%0,4), %%xmm14 \n\t" // 2 * y
"vmovups 48(%3,%0,4), %%xmm15 \n\t" // 2 * y

"vfmaddps %%xmm0, %%xmm8 , %%xmm12, %%xmm0 \n\t" // x_r * y_r, x_i * y_i
"vfmaddps %%xmm1, %%xmm9 , %%xmm13, %%xmm1 \n\t" // x_r * y_r, x_i * y_i

"vpermilps $0xb1 , %%xmm12, %%xmm12 \n\t" // exchange real and imag part
"vpermilps $0xb1 , %%xmm13, %%xmm13 \n\t"

"vfmaddps %%xmm2, %%xmm10, %%xmm14, %%xmm2 \n\t" // x_r * y_r, x_i * y_i
"vfmaddps %%xmm3, %%xmm11, %%xmm15, %%xmm3 \n\t" // x_r * y_r, x_i * y_i

"vpermilps $0xb1 , %%xmm14, %%xmm14 \n\t"
"vpermilps $0xb1 , %%xmm15, %%xmm15 \n\t"

"vfmaddps %%xmm4, %%xmm8 , %%xmm12, %%xmm4 \n\t" // x_r * y_i, x_i * y_r
"addq $16 , %0 \n\t"
"vfmaddps %%xmm5, %%xmm9 , %%xmm13, %%xmm5 \n\t" // x_r * y_i, x_i * y_r
"vfmaddps %%xmm6, %%xmm10, %%xmm14, %%xmm6 \n\t" // x_r * y_i, x_i * y_r
"subq $8 , %1 \n\t"
"vfmaddps %%xmm7, %%xmm11, %%xmm15, %%xmm7 \n\t" // x_r * y_i, x_i * y_r

"jnz 1b \n\t"

"vaddps %%xmm0, %%xmm1, %%xmm0 \n\t"
"vaddps %%xmm2, %%xmm3, %%xmm2 \n\t"
"vaddps %%xmm0, %%xmm2, %%xmm0 \n\t"

"vaddps %%xmm4, %%xmm5, %%xmm4 \n\t"
"vaddps %%xmm6, %%xmm7, %%xmm6 \n\t"
"vaddps %%xmm4, %%xmm6, %%xmm4 \n\t"

"vmovups %%xmm0, (%4) \n\t"
"vmovups %%xmm4, 16(%4) \n\t"
"vzeroupper \n\t"

:
:
"r" (i), // 0
"r" (n), // 1
"r" (x), // 2
"r" (y), // 3
"r" (dot) // 4
: "cc",
"%xmm0", "%xmm1", "%xmm2", "%xmm3",
"%xmm4", "%xmm5", "%xmm6", "%xmm7",
"%xmm8", "%xmm9", "%xmm10", "%xmm11",
"%xmm12", "%xmm13", "%xmm14", "%xmm15",
"memory"
);

return;
}

__asm__ __volatile__
(
"vzeroupper \n\t"
"vxorps %%xmm0, %%xmm0, %%xmm0 \n\t"
"vxorps %%xmm1, %%xmm1, %%xmm1 \n\t"
"vxorps %%xmm2, %%xmm2, %%xmm2 \n\t"
"vxorps %%xmm3, %%xmm3, %%xmm3 \n\t"
"vxorps %%xmm4, %%xmm4, %%xmm4 \n\t"
"vxorps %%xmm5, %%xmm5, %%xmm5 \n\t"
"vxorps %%xmm6, %%xmm6, %%xmm6 \n\t"
"vxorps %%xmm7, %%xmm7, %%xmm7 \n\t"

".align 16 \n\t"
"1: \n\t"
"prefetcht0 384(%2,%0,4) \n\t"
"vmovups (%2,%0,4), %%xmm8 \n\t" // 2 * x
"vmovups 16(%2,%0,4), %%xmm9 \n\t" // 2 * x

"prefetcht0 384(%3,%0,4) \n\t"
"vmovups (%3,%0,4), %%xmm12 \n\t" // 2 * y
"vmovups 16(%3,%0,4), %%xmm13 \n\t" // 2 * y

"vmovups 32(%2,%0,4), %%xmm10 \n\t" // 2 * x
"vmovups 48(%2,%0,4), %%xmm11 \n\t" // 2 * x

"vmovups 32(%3,%0,4), %%xmm14 \n\t" // 2 * y
"vmovups 48(%3,%0,4), %%xmm15 \n\t" // 2 * y

"vfmaddps %%xmm0, %%xmm8 , %%xmm12, %%xmm0 \n\t" // x_r * y_r, x_i * y_i
"vfmaddps %%xmm1, %%xmm9 , %%xmm13, %%xmm1 \n\t" // x_r * y_r, x_i * y_i

"vpermilps $0xb1 , %%xmm12, %%xmm12 \n\t" // exchange real and imag part
"vpermilps $0xb1 , %%xmm13, %%xmm13 \n\t"

"vfmaddps %%xmm2, %%xmm10, %%xmm14, %%xmm2 \n\t" // x_r * y_r, x_i * y_i
"vfmaddps %%xmm3, %%xmm11, %%xmm15, %%xmm3 \n\t" // x_r * y_r, x_i * y_i

"vpermilps $0xb1 , %%xmm14, %%xmm14 \n\t"
"vpermilps $0xb1 , %%xmm15, %%xmm15 \n\t"

"vfmaddps %%xmm4, %%xmm8 , %%xmm12, %%xmm4 \n\t" // x_r * y_i, x_i * y_r
"addq $16 , %0 \n\t"
"vfmaddps %%xmm5, %%xmm9 , %%xmm13, %%xmm5 \n\t" // x_r * y_i, x_i * y_r
"vfmaddps %%xmm6, %%xmm10, %%xmm14, %%xmm6 \n\t" // x_r * y_i, x_i * y_r
"subq $8 , %1 \n\t"
"vfmaddps %%xmm7, %%xmm11, %%xmm15, %%xmm7 \n\t" // x_r * y_i, x_i * y_r

"jnz 1b \n\t"

"vaddps %%xmm0, %%xmm1, %%xmm0 \n\t"
"vaddps %%xmm2, %%xmm3, %%xmm2 \n\t"
"vaddps %%xmm0, %%xmm2, %%xmm0 \n\t"

"vaddps %%xmm4, %%xmm5, %%xmm4 \n\t"
"vaddps %%xmm6, %%xmm7, %%xmm6 \n\t"
"vaddps %%xmm4, %%xmm6, %%xmm4 \n\t"

"vmovups %%xmm0, (%4) \n\t"
"vmovups %%xmm4, 16(%4) \n\t"
"vzeroupper \n\t"

:
:
"r" (i), // 0
"r" (n), // 1
"r" (x), // 2
"r" (y), // 3
"r" (dot) // 4
: "cc",
"%xmm0", "%xmm1", "%xmm2", "%xmm3",
"%xmm4", "%xmm5", "%xmm6", "%xmm7",
"%xmm8", "%xmm9", "%xmm10", "%xmm11",
"%xmm12", "%xmm13", "%xmm14", "%xmm15",
"memory"
);


}



+ 165
- 0
kernel/x86_64/zdot.c View File

@@ -0,0 +1,165 @@
/***************************************************************************
Copyright (c) 2015, 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.
*****************************************************************************/


#include "common.h"
#include <complex.h>


#if defined(BULLDOZER) || defined(PILEDRIVER) || defined(STEAMROLLER)
#include "zdot_microk_bulldozer-2.c"
#elif defined(NEHALEM)
#include "zdot_microk_nehalem-2.c"
#elif defined(HASWELL)
#include "zdot_microk_haswell-2.c"
#elif defined(SANDYBRIDGE)
#include "zdot_microk_sandy-2.c"
#endif


#ifndef HAVE_KERNEL_8

static void zdot_kernel_8(BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *d) __attribute__ ((noinline));

static void zdot_kernel_8(BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *d)
{
BLASLONG register i = 0;
FLOAT dot[4] = { 0.0, 0.0, 0.0, 0.0 };
BLASLONG j=0;

while( i < n )
{

dot[0] += x[j] * y[j] ;
dot[1] += x[j+1] * y[j+1] ;
dot[2] += x[j] * y[j+1] ;
dot[3] += x[j+1] * y[j] ;

dot[0] += x[j+2] * y[j+2] ;
dot[1] += x[j+3] * y[j+3] ;
dot[2] += x[j+2] * y[j+3] ;
dot[3] += x[j+3] * y[j+2] ;

dot[0] += x[j+4] * y[j+4] ;
dot[1] += x[j+5] * y[j+5] ;
dot[2] += x[j+4] * y[j+5] ;
dot[3] += x[j+5] * y[j+4] ;

dot[0] += x[j+6] * y[j+6] ;
dot[1] += x[j+7] * y[j+7] ;
dot[2] += x[j+6] * y[j+7] ;
dot[3] += x[j+7] * y[j+6] ;

j+=8;
i+=4;

}
d[0] = dot[0];
d[1] = dot[1];
d[2] = dot[2];
d[3] = dot[3];

}

#endif

FLOAT _Complex CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y)
{
BLASLONG i;
BLASLONG ix,iy;
FLOAT _Complex result;
FLOAT dot[4] = { 0.0, 0.0, 0.0 , 0.0 } ;

if ( n <= 0 )
{
__real__ result = 0.0 ;
__imag__ result = 0.0 ;
return(result);

}

if ( (inc_x == 1) && (inc_y == 1) )
{

int n1 = n & -8;

if ( n1 )
zdot_kernel_8(n1, x, y , dot );

i = n1;
int j = i * 2;
while( i < n )
{

dot[0] += x[j] * y[j] ;
dot[1] += x[j+1] * y[j+1] ;
dot[2] += x[j] * y[j+1] ;
dot[3] += x[j+1] * y[j] ;

j+=2;
i++ ;

}


}
else
{
i=0;
ix=0;
iy=0;
inc_x <<= 1;
inc_y <<= 1;
while(i < n)
{

dot[0] += x[ix] * y[iy] ;
dot[1] += x[ix+1] * y[iy+1] ;
dot[2] += x[ix] * y[iy+1] ;
dot[3] += x[ix+1] * y[iy] ;

ix += inc_x ;
iy += inc_y ;
i++ ;

}
}

#if !defined(CONJ)
__real__ result = dot[0] - dot[1];
__imag__ result = dot[2] + dot[3];
#else
__real__ result = dot[0] + dot[1];
__imag__ result = dot[2] - dot[3];

#endif

return(result);

}



+ 115
- 0
kernel/x86_64/zdot_microk_bulldozer-2.c View File

@@ -0,0 +1,115 @@
/***************************************************************************
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_8 1
static void zdot_kernel_8( BLASLONG n, FLOAT *x, FLOAT *y , FLOAT *dot) __attribute__ ((noinline));

static void zdot_kernel_8( BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *dot)
{


BLASLONG register i = 0;

__asm__ __volatile__
(
"vzeroupper \n\t"
"vxorpd %%xmm0, %%xmm0, %%xmm0 \n\t"
"vxorpd %%xmm1, %%xmm1, %%xmm1 \n\t"
"vxorpd %%xmm2, %%xmm2, %%xmm2 \n\t"
"vxorpd %%xmm3, %%xmm3, %%xmm3 \n\t"
"vxorpd %%xmm4, %%xmm4, %%xmm4 \n\t"
"vxorpd %%xmm5, %%xmm5, %%xmm5 \n\t"
"vxorpd %%xmm6, %%xmm6, %%xmm6 \n\t"
"vxorpd %%xmm7, %%xmm7, %%xmm7 \n\t"

".align 16 \n\t"
"1: \n\t"
"prefetcht0 512(%2,%0,8) \n\t"
"vmovups (%2,%0,8), %%xmm8 \n\t" // 1 * x
"vmovups 16(%2,%0,8), %%xmm9 \n\t" // 1 * x

"prefetcht0 512(%3,%0,8) \n\t"
"vmovups (%3,%0,8), %%xmm12 \n\t" // 1 * y
"vmovups 16(%3,%0,8), %%xmm13 \n\t" // 1 * y

"vmovups 32(%2,%0,8), %%xmm10 \n\t" // 1 * x
"vmovups 48(%2,%0,8), %%xmm11 \n\t" // 1 * x

"vmovups 32(%3,%0,8), %%xmm14 \n\t" // 1 * y
"vmovups 48(%3,%0,8), %%xmm15 \n\t" // 1 * y

"vfmaddpd %%xmm0, %%xmm8 , %%xmm12, %%xmm0 \n\t" // x_r * y_r, x_i * y_i
"vfmaddpd %%xmm1, %%xmm9 , %%xmm13, %%xmm1 \n\t" // x_r * y_r, x_i * y_i

"vpermilpd $0x1 , %%xmm12, %%xmm12 \n\t"
"vpermilpd $0x1 , %%xmm13, %%xmm13 \n\t"

"vfmaddpd %%xmm2, %%xmm10, %%xmm14, %%xmm2 \n\t" // x_r * y_r, x_i * y_i
"vfmaddpd %%xmm3, %%xmm11, %%xmm15, %%xmm3 \n\t" // x_r * y_r, x_i * y_i

"vpermilpd $0x1 , %%xmm14, %%xmm14 \n\t"
"vpermilpd $0x1 , %%xmm15, %%xmm15 \n\t"

"vfmaddpd %%xmm4, %%xmm8 , %%xmm12, %%xmm4 \n\t" // x_r * y_i, x_i * y_r
"addq $8 , %0 \n\t"
"vfmaddpd %%xmm5, %%xmm9 , %%xmm13, %%xmm5 \n\t" // x_r * y_i, x_i * y_r
"vfmaddpd %%xmm6, %%xmm10, %%xmm14, %%xmm6 \n\t" // x_r * y_i, x_i * y_r
"subq $4 , %1 \n\t"
"vfmaddpd %%xmm7, %%xmm11, %%xmm15, %%xmm7 \n\t" // x_r * y_i, x_i * y_r

"jnz 1b \n\t"

"vaddpd %%xmm0, %%xmm1, %%xmm0 \n\t"
"vaddpd %%xmm2, %%xmm3, %%xmm2 \n\t"
"vaddpd %%xmm0, %%xmm2, %%xmm0 \n\t"

"vaddpd %%xmm4, %%xmm5, %%xmm4 \n\t"
"vaddpd %%xmm6, %%xmm7, %%xmm6 \n\t"
"vaddpd %%xmm4, %%xmm6, %%xmm4 \n\t"

"vmovups %%xmm0, (%4) \n\t"
"vmovups %%xmm4, 16(%4) \n\t"
"vzeroupper \n\t"

:
:
"r" (i), // 0
"r" (n), // 1
"r" (x), // 2
"r" (y), // 3
"r" (dot) // 4
: "cc",
"%xmm0", "%xmm1", "%xmm2", "%xmm3",
"%xmm4", "%xmm5", "%xmm6", "%xmm7",
"%xmm8", "%xmm9", "%xmm10", "%xmm11",
"%xmm12", "%xmm13", "%xmm14", "%xmm15",
"memory"
);

}



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