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psblas3/cuda/dnsdev.h

123 lines
4.4 KiB
C

/* Parallel Sparse BLAS GPU plugin */
/* (C) Copyright 2013 */
/* Salvatore Filippone */
/* Alessandro Fanfarillo */
/* 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. The name of the PSBLAS group or the names of its contributors may */
/* not be used to endorse or promote products derived from this */
/* software without specific 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 PSBLAS GROUP OR ITS 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. */
#ifndef _DNSDEV_H_
#define _DNSDEV_H_
#if defined(HAVE_SPGPU)
#include "cintrf.h"
#include "cuComplex.h"
#include "cublas_v2.h"
struct DnsDevice
{
// Compressed matrix
void *cM; //it can be float or double
//matrix size (uncompressed)
int rows;
int columns;
int pitch; //old
int cMPitch;
//allocation size (in elements)
int allocsize;
/*(i.e. 0 for C, 1 for Fortran)*/
int baseIndex;
};
typedef struct DnsDeviceParams
{
// The resulting allocation for cM and rP will be pitch*maxRowSize*(size of the elementType)
unsigned int elementType;
// Pitch (in number of elements)
unsigned int pitch;
// Number of rows.
// Used to allocate rS array
unsigned int rows;
// Number of columns.
// Used for error-checking
unsigned int columns;
// First index (e.g 0 or 1)
unsigned int firstIndex;
} DnsDeviceParams;
int FallocDnsDevice(void** deviceMat, unsigned int rows,
unsigned int columns, unsigned int elementType,
unsigned int firstIndex);
int allocDnsDevice(void ** remoteMatrix, DnsDeviceParams* params);
void freeDnsDevice(void* remoteMatrix);
int writeDnsDeviceFloat(void* deviceMat, float* val, int lda, int nc);
int writeDnsDeviceDouble(void* deviceMat, double* val, int lda, int nc);
int writeDnsDeviceFloatComplex(void* deviceMat, float complex* val, int lda, int nc);
int writeDnsDeviceDoubleComplex(void* deviceMat, double complex* val, int lda, int nc);
int readDnsDeviceFloat(void* deviceMat, float* val, int lda, int nc);
int readDnsDeviceDouble(void* deviceMat, double* val, int lda, int nc);
int readDnsDeviceFloatComplex(void* deviceMat, float complex* val, int lda, int nc);
int readDnsDeviceDoubleComplex(void* deviceMat, double complex* val, int lda, int nc);
int spmvDnsDeviceFloat(char transa, int m, int n, int k,
float *alpha, void *deviceMat, void* deviceX,
float *beta, void* deviceY);
int spmvDnsDeviceDouble(char transa, int m, int n, int k,
double *alpha, void *deviceMat, void* deviceX,
double *beta, void* deviceY);
int spmvDnsDeviceFloatComplex(char transa, int m, int n, int k,
float complex *alpha, void *deviceMat, void* deviceX,
float complex *beta, void* deviceY);
int spmvDnsDeviceDoubleComplex(char transa, int m, int n, int k,
double complex *alpha, void *deviceMat, void* deviceX,
double complex *beta, void* deviceY);
int getDnsDevicePitch(void* deviceMat);
// sparse Dns matrix-vector product
//int spmvDnsDeviceFloat(void *deviceMat, float* alpha, void* deviceX, float* beta, void* deviceY);
//int spmvDnsDeviceDouble(void *deviceMat, double* alpha, void* deviceX, double* beta, void* deviceY);
#else
#define CINTRF_UNSUPPORTED -1
#endif
#endif