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psblas3/cuda/dcsga.h

66 lines
2.8 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 DCSGA_
#define DCSGA_
#include <stdio.h>
#include <stdlib.h>
#include <cuda_runtime.h>
#include <cusparse_v2.h>
#include "cintrf.h"
#include "dcusparse.h"
#include "fcusparse.h"
#include "fcusparse_dat.h"
#define MAX_NNZ_PER_WG 4096
int d_CSGADeviceFree(d_Cmat *Matrix);
int d_CSGADeviceAlloc(d_Cmat *Matrix,int nr, int nc, int nz);
void d_CSGAComputeRowBlocks(int totalRows, int* irp, int* numBlocks, int *rowBlocks);
int d_CSGAHost2Device(d_Cmat *Matrix,int nr, int nc, int nz,
int *irp, int *ja, double *val, int numBlocks, int *rowBlocks);
int d_CSGADevice2Host(d_Cmat *Matrix,int nr, int nc, int nz,
int *irp, int *ja, double *val, int *numBlocks, int *rowBlocks);
int d_spmvCSGADevice(d_Cmat *Matrix, double alpha, void* deviceX,
double beta, void* deviceY, int *rb);
int dCSGAMV(spgpuHandle_t handle, double beta, double* y, double alpha,
const double* as, const int* ja, const int* irp,
int m, int n, int ncol, int numBlocks,
const int* rowBlocks, const double *x,
int baseIndex, int *rb);
#endif