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/* StarPU --- Runtime system for heterogeneous multicore architectures.
*
* Copyright (C) 2009, 2010 Université de Bordeaux 1
* Copyright (C) 2010 Centre National de la Recherche Scientifique
*
* StarPU is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or (at
* your option) any later version.
*
* StarPU is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* See the GNU Lesser General Public License in COPYING.LGPL for more details.
*/
#include <ctype.h>
#include <stdio.h>
#include <starpu.h>
#include "blas.h"
/*
This files contains BLAS wrappers for the different BLAS implementations
(eg. REFBLAS, STARPU_ATLAS, GOTOBLAS ...). We assume a Fortran orientation as most
libraries do not supply C-based ordering.
*/
#ifdef STARPU_ATLAS
inline void SGEMM(char *transa, char *transb, int M, int N, int K,
float alpha, float *A, int lda, float *B, int ldb,
float beta, float *C, int ldc)
{
enum CBLAS_TRANSPOSE ta = (toupper(transa[0]) == 'N')?CblasNoTrans:CblasTrans;
enum CBLAS_TRANSPOSE tb = (toupper(transb[0]) == 'N')?CblasNoTrans:CblasTrans;
cblas_sgemm(CblasColMajor, ta, tb,
M, N, K, alpha, A, lda, B, ldb, beta, C, ldc);
}
inline void DGEMM(char *transa, char *transb, int M, int N, int K,
double alpha, double *A, int lda, double *B, int ldb,
double beta, double *C, int ldc)
{
enum CBLAS_TRANSPOSE ta = (toupper(transa[0]) == 'N')?CblasNoTrans:CblasTrans;
enum CBLAS_TRANSPOSE tb = (toupper(transb[0]) == 'N')?CblasNoTrans:CblasTrans;
cblas_dgemm(CblasColMajor, ta, tb,
M, N, K, alpha, A, lda, B, ldb, beta, C, ldc);
}
inline void SGEMV(char *transa, int M, int N, float alpha, float *A, int lda, float *X, int incX, float beta, float *Y, int incY)
{
enum CBLAS_TRANSPOSE ta = (toupper(transa[0]) == 'N')?CblasNoTrans:CblasTrans;
cblas_sgemv(CblasColMajor, ta, M, N, alpha, A, lda,
X, incX, beta, Y, incY);
}
inline void DGEMV(char *transa, int M, int N, double alpha, double *A, int lda, double *X, int incX, double beta, double *Y, int incY)
{
enum CBLAS_TRANSPOSE ta = (toupper(transa[0]) == 'N')?CblasNoTrans:CblasTrans;
cblas_dgemv(CblasColMajor, ta, M, N, alpha, A, lda,
X, incX, beta, Y, incY);
}
inline float SASUM(int N, float *X, int incX)
{
return cblas_sasum(N, X, incX);
}
inline double DASUM(int N, double *X, int incX)
{
return cblas_dasum(N, X, incX);
}
void SSCAL(int N, float alpha, float *X, int incX)
{
cblas_sscal(N, alpha, X, incX);
}
void DSCAL(int N, double alpha, double *X, int incX)
{
cblas_dscal(N, alpha, X, incX);
}
void STRSM (const char *side, const char *uplo, const char *transa,
const char *diag, const int m, const int n,
const float alpha, const float *A, const int lda,
float *B, const int ldb)
{
enum CBLAS_SIDE side_ = (toupper(side[0]) == 'L')?CblasLeft:CblasRight;
enum CBLAS_UPLO uplo_ = (toupper(uplo[0]) == 'U')?CblasUpper:CblasLower;
enum CBLAS_TRANSPOSE transa_ = (toupper(transa[0]) == 'N')?CblasNoTrans:CblasTrans;
enum CBLAS_DIAG diag_ = (toupper(diag[0]) == 'N')?CblasNonUnit:CblasUnit;
cblas_strsm(CblasColMajor, side_, uplo_, transa_, diag_, m, n, alpha, A, lda, B, ldb);
}
void DTRSM (const char *side, const char *uplo, const char *transa,
const char *diag, const int m, const int n,
const double alpha, const double *A, const int lda,
double *B, const int ldb)
{
enum CBLAS_SIDE side_ = (toupper(side[0]) == 'L')?CblasLeft:CblasRight;
enum CBLAS_UPLO uplo_ = (toupper(uplo[0]) == 'U')?CblasUpper:CblasLower;
enum CBLAS_TRANSPOSE transa_ = (toupper(transa[0]) == 'N')?CblasNoTrans:CblasTrans;
enum CBLAS_DIAG diag_ = (toupper(diag[0]) == 'N')?CblasNonUnit:CblasUnit;
cblas_dtrsm(CblasColMajor, side_, uplo_, transa_, diag_, m, n, alpha, A, lda, B, ldb);
}
void SSYR (const char *uplo, const int n, const float alpha,
const float *x, const int incx, float *A, const int lda)
{
enum CBLAS_UPLO uplo_ = (toupper(uplo[0]) == 'U')?CblasUpper:CblasLower;
cblas_ssyr(CblasColMajor, uplo_, n, alpha, x, incx, A, lda);
}
void SSYRK (const char *uplo, const char *trans, const int n,
const int k, const float alpha, const float *A,
const int lda, const float beta, float *C,
const int ldc)
{
enum CBLAS_UPLO uplo_ = (toupper(uplo[0]) == 'U')?CblasUpper:CblasLower;
enum CBLAS_TRANSPOSE trans_ = (toupper(trans[0]) == 'N')?CblasNoTrans:CblasTrans;
cblas_ssyrk(CblasColMajor, uplo_, trans_, n, k, alpha, A, lda, beta, C, ldc);
}
void SGER(const int m, const int n, const float alpha,
const float *x, const int incx, const float *y,
const int incy, float *A, const int lda)
{
cblas_sger(CblasColMajor, m, n, alpha, x, incx, y, incy, A, lda);
}
void DGER(const int m, const int n, const double alpha,
const double *x, const int incx, const double *y,
const int incy, double *A, const int lda)
{
cblas_dger(CblasColMajor, m, n, alpha, x, incx, y, incy, A, lda);
}
void STRSV (const char *uplo, const char *trans, const char *diag,
const int n, const float *A, const int lda, float *x,
const int incx)
{
enum CBLAS_UPLO uplo_ = (toupper(uplo[0]) == 'U')?CblasUpper:CblasLower;
enum CBLAS_TRANSPOSE trans_ = (toupper(trans[0]) == 'N')?CblasNoTrans:CblasTrans;
enum CBLAS_DIAG diag_ = (toupper(diag[0]) == 'N')?CblasNonUnit:CblasUnit;
cblas_strsv(CblasColMajor, uplo_, trans_, diag_, n, A, lda, x, incx);
}
void STRMM(const char *side, const char *uplo, const char *transA,
const char *diag, const int m, const int n,
const float alpha, const float *A, const int lda,
float *B, const int ldb)
{
enum CBLAS_SIDE side_ = (toupper(side[0]) == 'L')?CblasLeft:CblasRight;
enum CBLAS_UPLO uplo_ = (toupper(uplo[0]) == 'U')?CblasUpper:CblasLower;
enum CBLAS_TRANSPOSE transA_ = (toupper(transA[0]) == 'N')?CblasNoTrans:CblasTrans;
enum CBLAS_DIAG diag_ = (toupper(diag[0]) == 'N')?CblasNonUnit:CblasUnit;
cblas_strmm(CblasColMajor, side_, uplo_, transA_, diag_, m, n, alpha, A, lda, B, ldb);
}
void DTRMM(const char *side, const char *uplo, const char *transA,
const char *diag, const int m, const int n,
const double alpha, const double *A, const int lda,
double *B, const int ldb)
{
enum CBLAS_SIDE side_ = (toupper(side[0]) == 'L')?CblasLeft:CblasRight;
enum CBLAS_UPLO uplo_ = (toupper(uplo[0]) == 'U')?CblasUpper:CblasLower;
enum CBLAS_TRANSPOSE transA_ = (toupper(transA[0]) == 'N')?CblasNoTrans:CblasTrans;
enum CBLAS_DIAG diag_ = (toupper(diag[0]) == 'N')?CblasNonUnit:CblasUnit;
cblas_dtrmm(CblasColMajor, side_, uplo_, transA_, diag_, m, n, alpha, A, lda, B, ldb);
}
void STRMV(const char *uplo, const char *transA, const char *diag,
const int n, const float *A, const int lda, float *X,
const int incX)
{
enum CBLAS_UPLO uplo_ = (toupper(uplo[0]) == 'U')?CblasUpper:CblasLower;
enum CBLAS_TRANSPOSE transA_ = (toupper(transA[0]) == 'N')?CblasNoTrans:CblasTrans;
enum CBLAS_DIAG diag_ = (toupper(diag[0]) == 'N')?CblasNonUnit:CblasUnit;
cblas_strmv(CblasColMajor, uplo_, transA_, diag_, n, A, lda, X, incX);
}
void SAXPY(const int n, const float alpha, float *X, const int incX, float *Y, const int incY)
{
cblas_saxpy(n, alpha, X, incX, Y, incY);
}
void DAXPY(const int n, const double alpha, double *X, const int incX, double *Y, const int incY)
{
cblas_daxpy(n, alpha, X, incX, Y, incY);
}
int ISAMAX (const int n, float *X, const int incX)
{
int retVal;
retVal = cblas_isamax(n, X, incX);
return retVal;
}
int IDAMAX (const int n, double *X, const int incX)
{
int retVal;
retVal = cblas_idamax(n, X, incX);
return retVal;
}
float SDOT(const int n, const float *x, const int incx, const float *y, const int incy)
{
return cblas_sdot(n, x, incx, y, incy);
}
double DDOT(const int n, const double *x, const int incx, const double *y, const int incy)
{
return cblas_ddot(n, x, incx, y, incy);
}
void SSWAP(const int n, float *x, const int incx, float *y, const int incy)
{
cblas_sswap(n, x, incx, y, incy);
}
void DSWAP(const int n, double *x, const int incx, double *y, const int incy)
{
cblas_dswap(n, x, incx, y, incy);
}
#elif defined(STARPU_GOTO) || defined(STARPU_SYSTEM_BLAS) || defined(STARPU_MKL)
inline void SGEMM(char *transa, char *transb, int M, int N, int K,
float alpha, float *A, int lda, float *B, int ldb,
float beta, float *C, int ldc)
{
sgemm_(transa, transb, &M, &N, &K, &alpha,
A, &lda, B, &ldb,
&beta, C, &ldc);
}
inline void DGEMM(char *transa, char *transb, int M, int N, int K,
double alpha, double *A, int lda, double *B, int ldb,
double beta, double *C, int ldc)
{
dgemm_(transa, transb, &M, &N, &K, &alpha,
A, &lda, B, &ldb,
&beta, C, &ldc);
}
inline void SGEMV(char *transa, int M, int N, float alpha, float *A, int lda,
float *X, int incX, float beta, float *Y, int incY)
{
sgemv_(transa, &M, &N, &alpha, A, &lda, X, &incX, &beta, Y, &incY);
}
inline void DGEMV(char *transa, int M, int N, double alpha, double *A, int lda,
double *X, int incX, double beta, double *Y, int incY)
{
dgemv_(transa, &M, &N, &alpha, A, &lda, X, &incX, &beta, Y, &incY);
}
inline float SASUM(int N, float *X, int incX)
{
return sasum_(&N, X, &incX);
}
inline double DASUM(int N, double *X, int incX)
{
return dasum_(&N, X, &incX);
}
void SSCAL(int N, float alpha, float *X, int incX)
{
sscal_(&N, &alpha, X, &incX);
}
void DSCAL(int N, double alpha, double *X, int incX)
{
dscal_(&N, &alpha, X, &incX);
}
void STRSM (const char *side, const char *uplo, const char *transa,
const char *diag, const int m, const int n,
const float alpha, const float *A, const int lda,
float *B, const int ldb)
{
strsm_(side, uplo, transa, diag, &m, &n, &alpha, A, &lda, B, &ldb);
}
void DTRSM (const char *side, const char *uplo, const char *transa,
const char *diag, const int m, const int n,
const double alpha, const double *A, const int lda,
double *B, const int ldb)
{
dtrsm_(side, uplo, transa, diag, &m, &n, &alpha, A, &lda, B, &ldb);
}
void SSYR (const char *uplo, const int n, const float alpha,
const float *x, const int incx, float *A, const int lda)
{
ssyr_(uplo, &n, &alpha, x, &incx, A, &lda);
}
void SSYRK (const char *uplo, const char *trans, const int n,
const int k, const float alpha, const float *A,
const int lda, const float beta, float *C,
const int ldc)
{
ssyrk_(uplo, trans, &n, &k, &alpha, A, &lda, &beta, C, &ldc);
}
void SGER(const int m, const int n, const float alpha,
const float *x, const int incx, const float *y,
const int incy, float *A, const int lda)
{
sger_(&m, &n, &alpha, x, &incx, y, &incy, A, &lda);
}
void DGER(const int m, const int n, const double alpha,
const double *x, const int incx, const double *y,
const int incy, double *A, const int lda)
{
dger_(&m, &n, &alpha, x, &incx, y, &incy, A, &lda);
}
void STRSV (const char *uplo, const char *trans, const char *diag,
const int n, const float *A, const int lda, float *x,
const int incx)
{
strsv_(uplo, trans, diag, &n, A, &lda, x, &incx);
}
void STRMM(const char *side, const char *uplo, const char *transA,
const char *diag, const int m, const int n,
const float alpha, const float *A, const int lda,
float *B, const int ldb)
{
strmm_(side, uplo, transA, diag, &m, &n, &alpha, A, &lda, B, &ldb);
}
void DTRMM(const char *side, const char *uplo, const char *transA,
const char *diag, const int m, const int n,
const double alpha, const double *A, const int lda,
double *B, const int ldb)
{
dtrmm_(side, uplo, transA, diag, &m, &n, &alpha, A, &lda, B, &ldb);
}
void STRMV(const char *uplo, const char *transA, const char *diag,
const int n, const float *A, const int lda, float *X,
const int incX)
{
strmv_(uplo, transA, diag, &n, A, &lda, X, &incX);
}
void SAXPY(const int n, const float alpha, float *X, const int incX, float *Y, const int incY)
{
saxpy_(&n, &alpha, X, &incX, Y, &incY);
}
void DAXPY(const int n, const double alpha, double *X, const int incX, double *Y, const int incY)
{
daxpy_(&n, &alpha, X, &incX, Y, &incY);
}
int ISAMAX (const int n, float *X, const int incX)
{
int retVal;
retVal = isamax_ (&n, X, &incX);
return retVal;
}
int IDAMAX (const int n, double *X, const int incX)
{
int retVal;
retVal = idamax_ (&n, X, &incX);
return retVal;
}
float SDOT(const int n, const float *x, const int incx, const float *y, const int incy)
{
float retVal = 0;
/* GOTOBLAS will return a FLOATRET which is a double, not a float */
retVal = (float)sdot_(&n, x, &incx, y, &incy);
return retVal;
}
double DDOT(const int n, const double *x, const int incx, const double *y, const int incy)
{
return ddot_(&n, x, &incx, y, &incy);
}
void SSWAP(const int n, float *X, const int incX, float *Y, const int incY)
{
sswap_(&n, X, &incX, Y, &incY);
}
void DSWAP(const int n, double *X, const int incX, double *Y, const int incY)
{
dswap_(&n, X, &incX, Y, &incY);
}
#else
#error "no BLAS lib available..."
#endif
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