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updated optimized dsymv_U kernel for bulldozer

tags/v0.2.12^2
wernsaar 11 years ago
parent
f824c2b751
commit
ef6374196d
2 changed files with 168 additions and 90 deletions
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  1. +99
    -34
      kernel/x86_64/dsymv_U.c
  2. +69
    -56
      kernel/x86_64/dsymv_U_microk_bulldozer-2.c

+ 99
- 34
kernel/x86_64/dsymv_U.c View File

@@ -28,43 +28,97 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#include "common.h"


#if defined(BULLDOZER)
#include "dsymv_U_microk_bulldozer-2.c"
#elif defined(NEHALEM)
#include "dsymv_U_microk_nehalem-2.c"
#endif

#ifndef HAVE_KERNEL_4x4

static void dsymv_kernel_4x4(BLASLONG n, FLOAT *a0, FLOAT *a1, FLOAT *a2, FLOAT *a3, FLOAT *xp, FLOAT *yp, FLOAT *temp1, FLOAT *temp2)
{
FLOAT at0,at1,at2,at3;
FLOAT x;
FLOAT tmp2[4] = { 0.0, 0.0, 0.0, 0.0 };
FLOAT tp0;
FLOAT tp1;
FLOAT tp2;
FLOAT tp3;
BLASLONG i;

#ifndef HAVE_KERNEL_8x2
tp0 = temp1[0];
tp1 = temp1[1];
tp2 = temp1[2];
tp3 = temp1[3];
for (i=0; i<n; i++)
{
at0 = a0[i];
at1 = a1[i];
at2 = a2[i];
at3 = a3[i];
x = xp[i];
yp[i] += tp0 * at0 + tp1 *at1 + tp2 * at2 + tp3 * at3;
tmp2[0] += at0 * x;
tmp2[1] += at1 * x;
tmp2[2] += at2 * x;
tmp2[3] += at3 * x;

}

static void dsymv_kernel_8x2(BLASLONG n, FLOAT *a0, FLOAT *a1, FLOAT *xp, FLOAT *yp, FLOAT *temp1, FLOAT *temp2)
temp2[0] += tmp2[0];
temp2[1] += tmp2[1];
temp2[2] += tmp2[2];
temp2[3] += tmp2[3];
}

#endif


#ifndef HAVE_KERNEL_1x4

static void dsymv_kernel_1x4(BLASLONG from, BLASLONG to, FLOAT *a0, FLOAT *a1, FLOAT *a2, FLOAT *a3, FLOAT *xp, FLOAT *yp, FLOAT *temp1, FLOAT *temp2)
{
FLOAT at0,at1,at2,at3;
FLOAT tmp2[2] = { 0.0, 0.0 };
FLOAT x;
FLOAT tmp2[4] = { 0.0, 0.0, 0.0, 0.0 };
FLOAT tp0;
FLOAT tp1;
FLOAT tp2;
FLOAT tp3;
BLASLONG i;

tp0 = temp1[0];
tp1 = temp1[1];
tp2 = temp1[2];
tp3 = temp1[3];
for (i=0; i<n; i+=2)
for (i=from; i<to; i++)
{
at0 = a0[i];
at1 = a1[i];
at2 = a0[i+1];
at3 = a1[i+1];
yp[i] += tp0 * at0 + tp1 *at1;
yp[i+1] += tp0 * at2 + tp1 *at3;
tmp2[0] += at0 * xp[i] + at2 * xp[i+1];
tmp2[1] += at1 * xp[i] + at3 * xp[i+1];
at2 = a2[i];
at3 = a3[i];
x = xp[i];
yp[i] += tp0 * at0 + tp1 *at1 + tp2 * at2 + tp3 * at3;
tmp2[0] += at0 * x;
tmp2[1] += at1 * x;
tmp2[2] += at2 * x;
tmp2[3] += at3 * x;

}
temp2[0] = tmp2[0];
temp2[1] = tmp2[1];

temp2[0] += tmp2[0];
temp2[1] += tmp2[1];
temp2[2] += tmp2[2];
temp2[3] += tmp2[3];
}

#endif


static void dsymv_kernel_8x1(BLASLONG n, FLOAT *a0, FLOAT *xp, FLOAT *yp, FLOAT *temp1, FLOAT *temp2)
{
FLOAT at0,at1,at2,at3;
@@ -99,13 +153,16 @@ int CNAME(BLASLONG m, BLASLONG offset, FLOAT alpha, FLOAT *a, BLASLONG lda, FLOA
BLASLONG ix,iy;
BLASLONG jx,jy;
BLASLONG j;
BLASLONG j1;
BLASLONG j2;
BLASLONG m2;
FLOAT temp1;
FLOAT temp2;
FLOAT *xp, *yp;
FLOAT *a0,*a1;
FLOAT tmp1[2];
FLOAT tmp2[2];
FLOAT *a0,*a1,*a2,*a3;
FLOAT at0,at1,at2,at3;
FLOAT tmp1[4];
FLOAT tmp2[4];

#if 0
if( m != offset )
@@ -145,37 +202,45 @@ int CNAME(BLASLONG m, BLASLONG offset, FLOAT alpha, FLOAT *a, BLASLONG lda, FLOA
xp = x;
yp = y;

m2 = m - ( mrange % 2 );
m2 = m - ( mrange % 4 );

for (j=m1; j<m2; j+=2)
for (j=m1; j<m2; j+=4)
{
tmp1[0] = alpha * xp[j];
tmp1[1] = alpha * xp[j+1];
tmp1[2] = alpha * xp[j+2];
tmp1[3] = alpha * xp[j+3];
tmp2[0] = 0.0;
tmp2[1] = 0.0;
tmp2[2] = 0.0;
tmp2[3] = 0.0;
a0 = &a[j*lda];
a1 = a0+lda;
FLOAT at0,at1;
BLASLONG j1 = (j/8)*8;
a2 = a1+lda;
a3 = a2+lda;
j1 = (j/8)*8;
if ( j1 )
dsymv_kernel_8x2(j1, a0, a1, xp, yp, tmp1, tmp2);
dsymv_kernel_4x4(j1, a0, a1, a2, a3, xp, yp, tmp1, tmp2);
if ( j1 < j )
dsymv_kernel_1x4(j1, j, a0, a1, a2, a3, xp, yp, tmp1, tmp2);

for (i=j1; i<j; i++)
j2 = 0;
for ( j1 = j ; j1 < j+4 ; j1++ )
{
at0 = a0[i];
at1 = a1[i];
yp[i] += tmp1[0] * at0 + tmp1[1] *at1;
tmp2[0] += at0 * xp[i];
tmp2[1] += at1 * xp[i];
}
temp1 = tmp1[j2];
temp2 = tmp2[j2];
a0 = &a[j1*lda];
for ( i=j ; i<j1; i++ )
{
yp[i] += temp1 * a0[i];
temp2 += a0[i] * xp[i];
}
y[j1] += temp1 * a0[j1] + alpha * temp2;
j2++;

at1 = a1[j];
yp[j] += tmp1[1] * at1;
tmp2[1] += at1 * xp[j];
}

yp[j] += tmp1[0] * a0[j] + alpha * tmp2[0];
yp[j+1] += tmp1[1] * a1[j+1] + alpha * tmp2[1];
}

for ( ; j<m; j++)
@@ -184,7 +249,7 @@ int CNAME(BLASLONG m, BLASLONG offset, FLOAT alpha, FLOAT *a, BLASLONG lda, FLOA
temp2 = 0.0;
a0 = &a[j*lda];
FLOAT at0;
BLASLONG j1 = (j/8)*8;
j1 = (j/8)*8;

if ( j1 )
dsymv_kernel_8x1(j1, a0, xp, yp, &temp1, &temp2);


+ 69
- 56
kernel/x86_64/dsymv_U_microk_bulldozer-2.c View File

@@ -25,10 +25,10 @@ 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_8x2 1
static void dsymv_kernel_8x2( BLASLONG n, FLOAT *a1, FLOAT *a2, FLOAT *x, FLOAT *y, FLOAT *temp1, FLOAT *temp2) __attribute__ ((noinline));
#define HAVE_KERNEL_4x4 1
static void dsymv_kernel_4x4( BLASLONG n, FLOAT *a0, FLOAT *a1, FLOAT *a2, FLOAT *a3, FLOAT *x, FLOAT *y, FLOAT *temp1, FLOAT *temp2) __attribute__ ((noinline));

static void dsymv_kernel_8x2(BLASLONG n, FLOAT *a0, FLOAT *a1, FLOAT *x, FLOAT *y, FLOAT *temp1, FLOAT *temp2)
static void dsymv_kernel_4x4(BLASLONG n, FLOAT *a0, FLOAT *a1, FLOAT *a2, FLOAT *a3, FLOAT *x, FLOAT *y, FLOAT *temp1, FLOAT *temp2)
{

BLASLONG register i = 0;
@@ -37,62 +37,73 @@ static void dsymv_kernel_8x2(BLASLONG n, FLOAT *a0, FLOAT *a1, FLOAT *x, FLOAT *
(
"vxorpd %%xmm0 , %%xmm0 , %%xmm0 \n\t" // temp2[0]
"vxorpd %%xmm1 , %%xmm1 , %%xmm1 \n\t" // temp2[1]
"vmovddup (%6), %%xmm2 \n\t" // temp1[0]
"vmovddup 8(%6), %%xmm3 \n\t" // temp1[1]
"vxorpd %%xmm2 , %%xmm2 , %%xmm2 \n\t" // temp2[2]
"vxorpd %%xmm3 , %%xmm3 , %%xmm3 \n\t" // temp2[3]
"vmovddup (%8), %%xmm4 \n\t" // temp1[0]
"vmovddup 8(%8), %%xmm5 \n\t" // temp1[1]
"vmovddup 16(%8), %%xmm6 \n\t" // temp1[1]
"vmovddup 24(%8), %%xmm7 \n\t" // temp1[1]

"xorq %0,%0 \n\t"

".align 16 \n\t"
".L01LOOP%=: \n\t"

"prefetcht0 192(%4,%0,8) \n\t"
"vmovups (%4,%0,8), %%xmm4 \n\t" // 2 * a0
"vmovups 16(%4,%0,8), %%xmm5 \n\t" // 2 * a0
"prefetcht0 192(%2,%0,8) \n\t"
"vmovups (%2,%0,8), %%xmm8 \n\t" // 2 * x
"vmovups 16(%2,%0,8), %%xmm9 \n\t" // 2 * x
"prefetcht0 192(%3,%0,8) \n\t"
"vmovups 32(%4,%0,8), %%xmm6 \n\t" // 2 * a0
"vmovups 48(%4,%0,8), %%xmm7 \n\t" // 2 * a0
"vmovups 32(%2,%0,8), %%xmm10 \n\t" // 2 * x
"vmovups 48(%2,%0,8), %%xmm11 \n\t" // 2 * x

"prefetcht0 192(%5,%0,8) \n\t"
"vfmaddpd (%3,%0,8), %%xmm2 , %%xmm4 , %%xmm12 \n\t" // y += temp1 * a0
"vfmaddpd %%xmm0 , %%xmm8 , %%xmm4 , %%xmm0 \n\t" // temp2 += a0 * x
"vfmaddpd 16(%3,%0,8), %%xmm2 , %%xmm5 , %%xmm13 \n\t" // y += temp1 * a0
"vmovups (%5,%0,8), %%xmm4 \n\t" // 2 * a1
"vfmaddpd %%xmm0 , %%xmm9 , %%xmm5 , %%xmm0 \n\t" // temp2 += a0 * x
"vfmaddpd 32(%3,%0,8), %%xmm2 , %%xmm6 , %%xmm14 \n\t" // y += temp1 * a0
"vmovups 16(%5,%0,8), %%xmm5 \n\t" // 2 * a1
"vfmaddpd %%xmm0 , %%xmm10, %%xmm6 , %%xmm0 \n\t" // temp2 += a0 * x
"vfmaddpd 48(%3,%0,8), %%xmm2 , %%xmm7 , %%xmm15 \n\t" // y += temp1 * a0
"vmovups 32(%5,%0,8), %%xmm6 \n\t" // 2 * a1
"vfmaddpd %%xmm0 , %%xmm11, %%xmm7 , %%xmm0 \n\t" // temp2 += a0 * x
"vmovups 48(%5,%0,8), %%xmm7 \n\t" // 2 * a1

"vfmaddpd %%xmm12, %%xmm3 , %%xmm4 , %%xmm12 \n\t" // y += temp1 * a1
"vfmaddpd %%xmm13, %%xmm3 , %%xmm5 , %%xmm13 \n\t" // y += temp1 * a1
"vmovups %%xmm12, (%3,%0,8) \n\t" // 2 * y
"vfmaddpd %%xmm14, %%xmm3 , %%xmm6 , %%xmm14 \n\t" // y += temp1 * a1
"vmovups %%xmm13, 16(%3,%0,8) \n\t" // 2 * y
"vfmaddpd %%xmm15, %%xmm3 , %%xmm7 , %%xmm15 \n\t" // y += temp1 * a1
"vmovups %%xmm14, 32(%3,%0,8) \n\t" // 2 * y

"vfmaddpd %%xmm1 , %%xmm8 , %%xmm4 , %%xmm1 \n\t" // temp2 += a1 * x
"vfmaddpd %%xmm1 , %%xmm9 , %%xmm5 , %%xmm1 \n\t" // temp2 += a1 * x
"vmovups %%xmm15, 48(%3,%0,8) \n\t" // 2 * y
"vfmaddpd %%xmm1 , %%xmm10, %%xmm6 , %%xmm1 \n\t" // temp2 += a1 * x
"vfmaddpd %%xmm1 , %%xmm11, %%xmm7 , %%xmm1 \n\t" // temp2 += a1 * x

"addq $8, %0 \n\t"
"subq $8, %1 \n\t"
".align 16 \n\t"
".L01LOOP%=: \n\t"

"vmovups (%4,%0,8), %%xmm12 \n\t" // 2 * a
"vmovups (%2,%0,8), %%xmm8 \n\t" // 2 * x
"vmovups (%3,%0,8), %%xmm9 \n\t" // 2 * y

"vmovups (%5,%0,8), %%xmm13 \n\t" // 2 * a

"vfmaddpd %%xmm0 , %%xmm8, %%xmm12 , %%xmm0 \n\t" // temp2 += x * a
"vfmaddpd %%xmm9 , %%xmm4, %%xmm12 , %%xmm9 \n\t" // y += temp1 * a
"vmovups (%6,%0,8), %%xmm14 \n\t" // 2 * a

"vfmaddpd %%xmm1 , %%xmm8, %%xmm13 , %%xmm1 \n\t" // temp2 += x * a
"vfmaddpd %%xmm9 , %%xmm5, %%xmm13 , %%xmm9 \n\t" // y += temp1 * a
"vmovups (%7,%0,8), %%xmm15 \n\t" // 2 * a

"vmovups 16(%3,%0,8), %%xmm11 \n\t" // 2 * y
"vfmaddpd %%xmm2 , %%xmm8, %%xmm14 , %%xmm2 \n\t" // temp2 += x * a
"vmovups 16(%4,%0,8), %%xmm12 \n\t" // 2 * a
"vfmaddpd %%xmm9 , %%xmm6, %%xmm14 , %%xmm9 \n\t" // y += temp1 * a
"vmovups 16(%2,%0,8), %%xmm10 \n\t" // 2 * x

"vfmaddpd %%xmm3 , %%xmm8, %%xmm15 , %%xmm3 \n\t" // temp2 += x * a
"vfmaddpd %%xmm9 , %%xmm7, %%xmm15 , %%xmm9 \n\t" // y += temp1 * a

"vmovups 16(%5,%0,8), %%xmm13 \n\t" // 2 * a
"vmovups 16(%6,%0,8), %%xmm14 \n\t" // 2 * a

"vfmaddpd %%xmm0 , %%xmm10, %%xmm12 , %%xmm0 \n\t" // temp2 += x * a
"vfmaddpd %%xmm11 , %%xmm4, %%xmm12 , %%xmm11 \n\t" // y += temp1 * a

"vmovups 16(%7,%0,8), %%xmm15 \n\t" // 2 * a
"vfmaddpd %%xmm1 , %%xmm10, %%xmm13 , %%xmm1 \n\t" // temp2 += x * a
"vfmaddpd %%xmm11 , %%xmm5, %%xmm13 , %%xmm11 \n\t" // y += temp1 * a

"vfmaddpd %%xmm2 , %%xmm10, %%xmm14 , %%xmm2 \n\t" // temp2 += x * a
"addq $4 , %0 \n\t"
"vfmaddpd %%xmm11 , %%xmm6, %%xmm14 , %%xmm11 \n\t" // y += temp1 * a

"vfmaddpd %%xmm3 , %%xmm10, %%xmm15 , %%xmm3 \n\t" // temp2 += x * a
"vfmaddpd %%xmm11 , %%xmm7, %%xmm15 , %%xmm11 \n\t" // y += temp1 * a
"subq $4 , %1 \n\t"

"vmovups %%xmm9 , -32(%3,%0,8) \n\t"
"vmovups %%xmm11 , -16(%3,%0,8) \n\t"

"jnz .L01LOOP%= \n\t"

"vhaddpd %%xmm0, %%xmm0, %%xmm0 \n\t"
"vhaddpd %%xmm1, %%xmm1, %%xmm1 \n\t"
"vmovsd %%xmm0 , (%7) \n\t" // save temp2
"vmovsd %%xmm1 ,8(%7) \n\t" // save temp2
"vhaddpd %%xmm2, %%xmm2, %%xmm2 \n\t"
"vhaddpd %%xmm3, %%xmm3, %%xmm3 \n\t"

"vmovsd %%xmm0 , (%9) \n\t" // save temp2
"vmovsd %%xmm1 , 8(%9) \n\t" // save temp2
"vmovsd %%xmm2 ,16(%9) \n\t" // save temp2
"vmovsd %%xmm3 ,24(%9) \n\t" // save temp2

:
:
@@ -100,10 +111,12 @@ static void dsymv_kernel_8x2(BLASLONG n, FLOAT *a0, FLOAT *a1, FLOAT *x, FLOAT *
"r" (n), // 1
"r" (x), // 2
"r" (y), // 3
"r" (a0), // 4
"r" (a1), // 5
"r" (temp1), // 6
"r" (temp2) // 7
"r" (a0), // 4
"r" (a1), // 5
"r" (a2), // 6
"r" (a3), // 7
"r" (temp1), // 8
"r" (temp2) // 9
: "cc",
"%xmm0", "%xmm1", "%xmm2", "%xmm3",
"%xmm4", "%xmm5", "%xmm6", "%xmm7",


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