OSchip
/
OpenBLAS
Not watched
1
0
Fork 0
Code
Releases 66 Wiki evaluate Activity
Issues 0 Pull Requests 0 Datasets Model Cloudbrain HPC
Browse Source

Add GEMMT based on looped GEMV

tags/v0.3.22^2
Martin Kroeker GitHub 2 years ago
parent
8c10f0abba
commit
e7fd8d21a6
No known key found for this signature in database GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 637 additions and 11 deletions
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. +1
    -1
      interface/CMakeLists.txt
  2. +47
    -10
      interface/Makefile
  3. +589
    -0
      interface/gemmt.c

+ 1
- 1
interface/CMakeLists.txt View File

@@ -53,7 +53,7 @@ set(BLAS2_COMPLEX_ONLY_MANGLED_SOURCES
# these do not have separate 'z' sources
set(BLAS3_SOURCES
gemm.c symm.c
trsm.c syrk.c syr2k.c
trsm.c syrk.c syr2k.c gemmt.c
)

set(BLAS3_MANGLED_SOURCES


+ 47
- 10
interface/Makefile View File

@@ -44,12 +44,12 @@ SBLAS3OBJS = \
sgemm.$(SUFFIX) ssymm.$(SUFFIX) strmm.$(SUFFIX) \
strsm.$(SUFFIX) ssyrk.$(SUFFIX) ssyr2k.$(SUFFIX) \
somatcopy.$(SUFFIX) simatcopy.$(SUFFIX)\
sgeadd.$(SUFFIX)
sgeadd.$(SUFFIX) sgemmt.$(SUFFIX)

ifeq ($(BUILD_BFLOAT16),1)
SBBLAS1OBJS = sbdot.$(SUFFIX)
SBBLAS2OBJS = sbgemv.$(SUFFIX)
SBBLAS3OBJS = sbgemm.$(SUFFIX)
SBBLAS3OBJS = sbgemm.$(SUFFIX) sbgemmt.$(SUFFIX)
SBEXTOBJS = sbstobf16.$(SUFFIX) sbdtobf16.$(SUFFIX) sbf16tos.$(SUFFIX) dbf16tod.$(SUFFIX)
endif

@@ -76,7 +76,7 @@ DBLAS3OBJS = \
dgemm.$(SUFFIX) dsymm.$(SUFFIX) dtrmm.$(SUFFIX) \
dtrsm.$(SUFFIX) dsyrk.$(SUFFIX) dsyr2k.$(SUFFIX) \
domatcopy.$(SUFFIX) dimatcopy.$(SUFFIX)\
dgeadd.$(SUFFIX)
dgeadd.$(SUFFIX) dgemmt.$(SUFFIX)

CBLAS1OBJS = \
caxpy.$(SUFFIX) caxpyc.$(SUFFIX) cswap.$(SUFFIX) \
@@ -105,7 +105,7 @@ CBLAS3OBJS = \
ctrsm.$(SUFFIX) csyrk.$(SUFFIX) csyr2k.$(SUFFIX) \
chemm.$(SUFFIX) cherk.$(SUFFIX) cher2k.$(SUFFIX) \
comatcopy.$(SUFFIX) cimatcopy.$(SUFFIX)\
cgeadd.$(SUFFIX)
cgeadd.$(SUFFIX) cgemmt.$(SUFFIX)

ZBLAS1OBJS = \
zaxpy.$(SUFFIX) zaxpyc.$(SUFFIX) zswap.$(SUFFIX) \
@@ -134,7 +134,7 @@ ZBLAS3OBJS = \
ztrsm.$(SUFFIX) zsyrk.$(SUFFIX) zsyr2k.$(SUFFIX) \
zhemm.$(SUFFIX) zherk.$(SUFFIX) zher2k.$(SUFFIX) \
zomatcopy.$(SUFFIX) zimatcopy.$(SUFFIX)\
zgeadd.$(SUFFIX)
zgeadd.$(SUFFIX) zgemmt.$(SUFFIX)

ifeq ($(SUPPORT_GEMM3M), 1)

@@ -281,12 +281,12 @@ CSBLAS2OBJS = \
CSBLAS3OBJS = \
cblas_sgemm.$(SUFFIX) cblas_ssymm.$(SUFFIX) cblas_strmm.$(SUFFIX) cblas_strsm.$(SUFFIX) \
cblas_ssyrk.$(SUFFIX) cblas_ssyr2k.$(SUFFIX) cblas_somatcopy.$(SUFFIX) cblas_simatcopy.$(SUFFIX)\
cblas_sgeadd.$(SUFFIX)
cblas_sgeadd.$(SUFFIX) cblas_sgemmt.$(SUFFIX)

ifeq ($(BUILD_BFLOAT16),1)
CSBBLAS1OBJS = cblas_sbdot.$(SUFFIX)
CSBBLAS2OBJS = cblas_sbgemv.$(SUFFIX)
CSBBLAS3OBJS = cblas_sbgemm.$(SUFFIX)
CSBBLAS3OBJS = cblas_sbgemm.$(SUFFIX) cblas_sbgemmt.$(SUFFIX)
CSBEXTOBJS = cblas_sbstobf16.$(SUFFIX) cblas_sbdtobf16.$(SUFFIX) cblas_sbf16tos.$(SUFFIX) cblas_dbf16tod.$(SUFFIX)
endif

@@ -306,7 +306,7 @@ CDBLAS2OBJS = \
CDBLAS3OBJS += \
cblas_dgemm.$(SUFFIX) cblas_dsymm.$(SUFFIX) cblas_dtrmm.$(SUFFIX) cblas_dtrsm.$(SUFFIX) \
cblas_dsyrk.$(SUFFIX) cblas_dsyr2k.$(SUFFIX) cblas_domatcopy.$(SUFFIX) cblas_dimatcopy.$(SUFFIX) \
cblas_dgeadd.$(SUFFIX)
cblas_dgeadd.$(SUFFIX) cblas_dgemmt.$(SUFFIX)

CCBLAS1OBJS = \
cblas_icamax.$(SUFFIX) cblas_icamin.$(SUFFIX) cblas_scasum.$(SUFFIX) cblas_caxpy.$(SUFFIX) \
@@ -331,7 +331,7 @@ CCBLAS3OBJS = \
cblas_csyrk.$(SUFFIX) cblas_csyr2k.$(SUFFIX) \
cblas_chemm.$(SUFFIX) cblas_cherk.$(SUFFIX) cblas_cher2k.$(SUFFIX) \
cblas_comatcopy.$(SUFFIX) cblas_cimatcopy.$(SUFFIX)\
cblas_cgeadd.$(SUFFIX)
cblas_cgeadd.$(SUFFIX) cblas_cgemmt.$(SUFFIX)
CXERBLAOBJ = \
cblas_xerbla.$(SUFFIX)
@@ -362,7 +362,7 @@ CZBLAS3OBJS = \
cblas_zsyrk.$(SUFFIX) cblas_zsyr2k.$(SUFFIX) \
cblas_zhemm.$(SUFFIX) cblas_zherk.$(SUFFIX) cblas_zher2k.$(SUFFIX)\
cblas_zomatcopy.$(SUFFIX) cblas_zimatcopy.$(SUFFIX) \
cblas_zgeadd.$(SUFFIX)
cblas_zgeadd.$(SUFFIX) cblas_zgemmt.$(SUFFIX)


ifeq ($(SUPPORT_GEMM3M), 1)
@@ -1300,6 +1300,8 @@ xhpr2.$(SUFFIX) xhpr2.$(PSUFFIX) : zhpr2.c
ifeq ($(BUILD_BFLOAT16),1)
sbgemm.$(SUFFIX) sbgemm.$(PSUFFIX) : gemm.c ../param.h
$(CC) -c $(CFLAGS) $< -o $(@F)
sbgemmt.$(SUFFIX) sbgemm.$(PSUFFIX) : gemmt.c ../param.h
$(CC) -c $(CFLAGS) $< -o $(@F)
endif

sgemm.$(SUFFIX) sgemm.$(PSUFFIX) : gemm.c ../param.h
@@ -1320,6 +1322,24 @@ zgemm.$(SUFFIX) zgemm.$(PSUFFIX) : gemm.c ../param.h
xgemm.$(SUFFIX) xgemm.$(PSUFFIX) : gemm.c ../param.h
$(CC) -c $(CFLAGS) $< -o $(@F)

sgemmt.$(SUFFIX) sgemmt.$(PSUFFIX) : gemmt.c ../param.h
$(CC) -c $(CFLAGS) $< -o $(@F)

dgemmt.$(SUFFIX) dgemmt.$(PSUFFIX) : gemmt.c ../param.h
$(CC) -c $(CFLAGS) $< -o $(@F)

qgemmt.$(SUFFIX) qgemmt.$(PSUFFIX) : gemmt.c ../param.h
$(CC) -c $(CFLAGS) $< -o $(@F)

cgemmt.$(SUFFIX) cgemmt.$(PSUFFIX) : gemmt.c ../param.h
$(CC) -c $(CFLAGS) $< -o $(@F)

zgemmt.$(SUFFIX) zgemmt.$(PSUFFIX) : gemmt.c ../param.h
$(CC) -c $(CFLAGS) $< -o $(@F)

xgemmt.$(SUFFIX) xgemm.$(PSUFFIX) : gemmt.c ../param.h
$(CC) -c $(CFLAGS) $< -o $(@F)

ssymm.$(SUFFIX) ssymm.$(PSUFFIX) : symm.c
$(CC) -c $(CFLAGS) $< -o $(@F)

@@ -1907,6 +1927,23 @@ cblas_cgemm.$(SUFFIX) cblas_cgemm.$(PSUFFIX) : gemm.c ../param.h
cblas_zgemm.$(SUFFIX) cblas_zgemm.$(PSUFFIX) : gemm.c ../param.h
$(CC) -DCBLAS -c $(CFLAGS) $< -o $(@F)

cblas_sgemmt.$(SUFFIX) cblas_sgemmt.$(PSUFFIX) : gemmt.c ../param.h
$(CC) -DCBLAS -c $(CFLAGS) $< -o $(@F)

ifeq ($(BUILD_BFLOAT16),1)
cblas_sbgemmt.$(SUFFIX) cblas_sbgemmt.$(PSUFFIX) : gemmt.c ../param.h
$(CC) -DCBLAS -c $(CFLAGS) $< -o $(@F)
endif

cblas_dgemmt.$(SUFFIX) cblas_dgemmt.$(PSUFFIX) : gemmt.c ../param.h
$(CC) -DCBLAS -c $(CFLAGS) $< -o $(@F)

cblas_cgemmt.$(SUFFIX) cblas_cgemmt.$(PSUFFIX) : gemmt.c ../param.h
$(CC) -DCBLAS -c $(CFLAGS) $< -o $(@F)

cblas_zgemmt.$(SUFFIX) cblas_zgemmt.$(PSUFFIX) : gemmt.c ../param.h
$(CC) -DCBLAS -c $(CFLAGS) $< -o $(@F)

cblas_ssymm.$(SUFFIX) cblas_ssymm.$(PSUFFIX) : symm.c
$(CC) -DCBLAS -c $(CFLAGS) $< -o $(@F)



+ 589
- 0
interface/gemmt.c View File

@@ -0,0 +1,589 @@
/*********************************************************************/
/* Copyright 2022, 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. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */
/* AUSTIN ``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 UNIVERSITY OF TEXAS AT */
/* AUSTIN 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 <stdio.h>
#include <stdlib.h>
#include "common.h"
#ifdef FUNCTION_PROFILE
#include "functable.h"
#endif

#ifndef COMPLEX
#define SMP_THRESHOLD_MIN 65536.0
#ifdef XDOUBLE
#define ERROR_NAME "QGEMT "
#elif defined(DOUBLE)
#define ERROR_NAME "DGEMT "
#elif defined(BFLOAT16)
#define ERROR_NAME "SBGEMT "
#else
#define ERROR_NAME "SGEMT "
#endif
#else
#define SMP_THRESHOLD_MIN 8192.0
#ifdef XDOUBLE
#define ERROR_NAME "XGEMT "
#elif defined(DOUBLE)
#define ERROR_NAME "ZGEMT "
#else
#define ERROR_NAME "CGEMT "
#endif
#endif

#ifndef GEMM_MULTITHREAD_THRESHOLD
#define GEMM_MULTITHREAD_THRESHOLD 4
#endif

#ifndef CBLAS

void NAME(char *UPLO, char *TRANSA, char *TRANSB,
blasint * M, blasint * N, blasint * K,
FLOAT * Alpha,
IFLOAT * a, blasint * ldA,
IFLOAT * b, blasint * ldB, FLOAT * Beta, FLOAT * c, blasint * ldC)
{

blasint m, n, k;
blasint lda, ldb, ldc;
int transa, transb, uplo;
blasint info;

char transA, transB, Uplo;
IFLOAT *buffer;
IFLOAT *aa, *bb;
FLOAT *cc;
#if defined(COMPLEX)
FLOAT alpha_r, alpha_i, beta_r, beta_i;
#else
FLOAT alpha, beta;
#endif

PRINT_DEBUG_NAME;

m = *M;
n = *N;
k = *K;

#if defined(COMPLEX)
FLOAT *alpha = Alpha;
alpha_r = *(Alpha + 0);
alpha_i = *(Alpha + 1);

beta_r = *(Beta + 0);
beta_i = *(Beta + 1);
#else
alpha = *Alpha;
beta = *Beta;
#endif

lda = *ldA;
ldb = *ldB;
ldc = *ldC;

transA = *TRANSA;
transB = *TRANSB;
Uplo = *UPLO;
TOUPPER(transA);
TOUPPER(transB);
TOUPPER(Uplo);

transa = -1;
transb = -1;
uplo = -1;

if (transA == 'N')
transa = 0;
if (transA == 'T')
transa = 1;
#ifndef COMPLEX
if (transA == 'R')
transa = 0;
if (transA == 'C')
transa = 1;
#else
if (transA == 'R')
transa = 2;
if (transA == 'C')
transa = 3;
#endif

if (transB == 'N')
transb = 0;
if (transB == 'T')
transb = 1;
#ifndef COMPLEX
if (transB == 'R')
transb = 0;
if (transB == 'C')
transb = 1;
#else
if (transB == 'R')
transb = 2;
if (transB == 'C')
transb = 3;
#endif

if (Uplo == 'U')
uplo = 0;
if (Uplo == 'L')
uplo = 1;

info = 0;

if (uplo < 0)
info = 14;
if (ldc < m)
info = 13;
if (k < 0)
info = 5;
if (n < 0)
info = 4;
if (m < 0)
info = 3;
if (transb < 0)
info = 2;
if (transa < 0)
info = 1;

if (info) {
BLASFUNC(xerbla) (ERROR_NAME, &info, sizeof(ERROR_NAME));
return;
}
#else

void CNAME(enum CBLAS_ORDER order, enum CBLAS_UPLO Uplo,
enum CBLAS_TRANSPOSE TransA, enum CBLAS_TRANSPOSE TransB, blasint M,
blasint N, blasint k,
#ifndef COMPLEX
FLOAT alpha,
IFLOAT * A, blasint LDA,
IFLOAT * B, blasint LDB, FLOAT beta, FLOAT * c, blasint ldc)
{
#else
void *valpha,
void *va, blasint LDA,
void *vb, blasint LDB, void *vbeta, void *vc, blasint ldc)
{
FLOAT *alpha = (FLOAT *) valpha;
FLOAT *beta = (FLOAT *) vbeta;
FLOAT *A = (FLOAT *) va;
FLOAT *B = (FLOAT *) vb;
FLOAT *c = (FLOAT *) vc;
#endif
FLOAT *aa, *bb, *cc;

int transa, transb, uplo;
blasint info;
blasint m, n, lda, ldb;
FLOAT *a, *b;
XFLOAT *buffer;

PRINT_DEBUG_CNAME;

transa = -1;
transb = -1;
info = 0;

if (order == CblasColMajor) {

if (TransA == CblasNoTrans)
transa = 0;
if (TransA == CblasTrans)
transa = 1;
#ifndef COMPLEX
if (TransA == CblasConjNoTrans)
transa = 0;
if (TransA == CblasConjTrans)
transa = 1;
#else
if (TransA == CblasConjNoTrans)
transa = 2;
if (TransA == CblasConjTrans)
transa = 3;
#endif
if (TransB == CblasNoTrans)
transb = 0;
if (TransB == CblasTrans)
transb = 1;
#ifndef COMPLEX
if (TransB == CblasConjNoTrans)
transb = 0;
if (TransB == CblasConjTrans)
transb = 1;
#else
if (TransB == CblasConjNoTrans)
transb = 2;
if (TransB == CblasConjTrans)
transb = 3;
#endif

m = M;
n = N;

a = (void *)A;
b = (void *)B;
lda = LDA;
ldb = LDB;

info = -1;

if (ldc < m)
info = 13;
if (k < 0)
info = 5;
if (n < 0)
info = 4;
if (m < 0)
info = 3;
if (transb < 0)
info = 2;
if (transa < 0)
info = 1;
}

if (order == CblasRowMajor) {
m = N;
n = M;

a = (void *)B;
b = (void *)A;

lda = LDB;
ldb = LDA;

if (TransB == CblasNoTrans)
transa = 0;
if (TransB == CblasTrans)
transa = 1;
#ifndef COMPLEX
if (TransB == CblasConjNoTrans)
transa = 0;
if (TransB == CblasConjTrans)
transa = 1;
#else
if (TransB == CblasConjNoTrans)
transa = 2;
if (TransB == CblasConjTrans)
transa = 3;
#endif
if (TransA == CblasNoTrans)
transb = 0;
if (TransA == CblasTrans)
transb = 1;
#ifndef COMPLEX
if (TransA == CblasConjNoTrans)
transb = 0;
if (TransA == CblasConjTrans)
transb = 1;
#else
if (TransA == CblasConjNoTrans)
transb = 2;
if (TransA == CblasConjTrans)
transb = 3;
#endif

info = -1;

if (ldc < m)
info = 13;
if (k < 0)
info = 5;
if (n < 0)
info = 4;
if (m < 0)
info = 3;
if (transb < 0)
info = 2;
if (transa < 0)
info = 1;

}

uplo = -1;
if (Uplo == CblasUpper)
uplo = 0;
if (Uplo == CblasLower)
uplo = 1;
if (uplo < 0)
info = 14;

if (info >= 0) {
BLASFUNC(xerbla) (ERROR_NAME, &info, sizeof(ERROR_NAME));
return;
}
#if defined(COMPLEX)
FLOAT alpha_r = *(alpha + 0);
FLOAT alpha_i = *(alpha + 1);

FLOAT beta_r = *(beta + 0);
FLOAT beta_i = *(beta + 1);
#endif

#endif
int buffer_size;
blasint l;
blasint i, j;

#ifdef SMP
int nthreads;
#endif

#if defined(COMPLEX)

#ifdef SMP
static int (*gemv_thread[]) (BLASLONG, BLASLONG, FLOAT *, FLOAT *,
BLASLONG, FLOAT *, BLASLONG, FLOAT *,
BLASLONG, FLOAT *, int) = {
#ifdef XDOUBLE
xgemv_thread_n, xgemv_thread_t, xgemv_thread_r, xgemv_thread_c,
xgemv_thread_o, xgemv_thread_u, xgemv_thread_s,
xgemv_thread_d,
#elif defined DOUBLE
zgemv_thread_n, zgemv_thread_t, zgemv_thread_r, zgemv_thread_c,
zgemv_thread_o, zgemv_thread_u, zgemv_thread_s,
zgemv_thread_d,
#else
cgemv_thread_n, cgemv_thread_t, cgemv_thread_r, cgemv_thread_c,
cgemv_thread_o, cgemv_thread_u, cgemv_thread_s,
cgemv_thread_d,
#endif
};
#endif

int (*gemv[]) (BLASLONG, BLASLONG, BLASLONG, FLOAT, FLOAT, FLOAT *,
BLASLONG, FLOAT *, BLASLONG, FLOAT *, BLASLONG,
FLOAT *) = {
GEMV_N, GEMV_T, GEMV_R, GEMV_C, GEMV_O, GEMV_U, GEMV_S, GEMV_D,};

#else

#ifdef SMP
static int (*gemv_thread[]) (BLASLONG, BLASLONG, FLOAT, FLOAT *,
BLASLONG, FLOAT *, BLASLONG, FLOAT *,
BLASLONG, FLOAT *, int) = {
#ifdef XDOUBLE
qgemv_thread_n, qgemv_thread_t,
#elif defined DOUBLE
dgemv_thread_n, dgemv_thread_t,
#else
sgemv_thread_n, sgemv_thread_t,
#endif
};
#endif
int (*gemv[]) (BLASLONG, BLASLONG, BLASLONG, FLOAT, FLOAT *, BLASLONG,
FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *) = {
GEMV_N, GEMV_T,};

#endif

if ((m == 0) || (n == 0))
return;

IDEBUG_START;

FUNCTION_PROFILE_START();

const blasint incb = (transb == 0) ? 1 : ldb;

if (uplo == 1) {
for (i = 0; i < n; i++) {
j = n - i;

l = j;
#if defined(COMPLEX)
aa = a + i * 2;
bb = b + i * ldb * 2;
if (transa) {
l = k;
aa = a + lda * i * 2;
bb = b + i * 2;
}
cc = c + i * 2 * ldc + i * 2;
#else
aa = a + i;
bb = b + i * ldb;
if (transa) {
l = k;
aa = a + lda * i;
bb = b + i;
}
cc = c + i * ldc + i;
#endif

#if defined(COMPLEX)
if (beta_r != ONE || beta_i != ZERO)
SCAL_K(l, 0, 0, beta_r, beta_i, cc, 1, NULL, 0,
NULL, 0);

if (alpha_r == ZERO && alpha_i == ZERO)
return;
#else
if (beta != ONE)
SCAL_K(l, 0, 0, beta, cc, 1, NULL, 0, NULL, 0);

if (alpha == ZERO)
continue;
#endif

IDEBUG_START;

FUNCTION_PROFILE_START();

buffer_size = j + k + 128 / sizeof(FLOAT);
#ifdef WINDOWS_ABI
buffer_size += 160 / sizeof(FLOAT);
#endif
// for alignment
buffer_size = (buffer_size + 3) & ~3;
STACK_ALLOC(buffer_size, FLOAT, buffer);

#ifdef SMP

if (1L * j * k < 2304L * GEMM_MULTITHREAD_THRESHOLD)
nthreads = 1;
else
nthreads = num_cpu_avail(2);

if (nthreads == 1) {
#endif

#if defined(COMPLEX)
(gemv[(int)transa]) (j, k, 0, alpha_r, alpha_i,
aa, lda, bb, incb, cc, 1,
buffer);
#else
(gemv[(int)transa]) (j, k, 0, alpha, aa, lda,
bb, incb, cc, 1, buffer);
#endif
#ifdef SMP
} else {

(gemv_thread[(int)transa]) (j, k, alpha, aa,
lda, bb, incb, cc,
1, buffer,
nthreads);

}
#endif

STACK_FREE(buffer);
}
} else {

for (i = 0; i < n; i++) {
j = i + 1;

l = j;
#if defined COMPLEX
bb = b + i * ldb * 2;
if (transa) {
l = k;
bb = b + i * 2;
}
cc = c + i * 2 * ldc;
#else
bb = b + i * ldb;
if (transa) {
l = k;
bb = b + i;
}
cc = c + i * ldc;
#endif

#if defined(COMPLEX)
if (beta_r != ONE || beta_i != ZERO)
SCAL_K(l, 0, 0, beta_r, beta_i, cc, 1, NULL, 0,
NULL, 0);

if (alpha_r == ZERO && alpha_i == ZERO)
return;
#else
if (beta != ONE)
SCAL_K(l, 0, 0, beta, cc, 1, NULL, 0, NULL, 0);

if (alpha == ZERO)
continue;
#endif
IDEBUG_START;

FUNCTION_PROFILE_START();

buffer_size = j + k + 128 / sizeof(FLOAT);
#ifdef WINDOWS_ABI
buffer_size += 160 / sizeof(FLOAT);
#endif
// for alignment
buffer_size = (buffer_size + 3) & ~3;
STACK_ALLOC(buffer_size, FLOAT, buffer);

#ifdef SMP

if (1L * j * k < 2304L * GEMM_MULTITHREAD_THRESHOLD)
nthreads = 1;
else
nthreads = num_cpu_avail(2);

if (nthreads == 1) {
#endif

#if defined(COMPLEX)
(gemv[(int)transa]) (j, k, 0, alpha_r, alpha_i,
a, lda, bb, incb, cc, 1,
buffer);
#else
(gemv[(int)transa]) (j, k, 0, alpha, a, lda, bb,
incb, cc, 1, buffer);
#endif

#ifdef SMP
} else {

(gemv_thread[(int)transa]) (j, k, alpha, a, lda,
bb, incb, cc, 1,
buffer, nthreads);

}
#endif

STACK_FREE(buffer);
}
}
FUNCTION_PROFILE_END(COMPSIZE * COMPSIZE,
args.m * args.k + args.k * args.n +
args.m * args.n, 2 * args.m * args.n * args.k);

IDEBUG_END;

return;
}

Write Preview
Loading…
Cancel
Save