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psblas3/cuda/hdiagdev.c

426 lines
13 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. */
#include "hdiagdev.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#if defined(HAVE_SPGPU)
#define DEBUG 0
void freeHdiagDevice(void* remoteMatrix)
{
struct HdiagDevice *devMat = (struct HdiagDevice *) remoteMatrix;
//fprintf(stderr,"freeHllDevice\n");
if (devMat != NULL) {
freeRemoteBuffer(devMat->hackOffsets);
freeRemoteBuffer(devMat->cM);
free(remoteMatrix);
}
}
HdiagDeviceParams getHdiagDeviceParams(unsigned int rows, unsigned int columns,
unsigned int allocationHeight, unsigned int hackSize,
unsigned int hackCount, unsigned int elementType)
{
HdiagDeviceParams params;
params.elementType = elementType;
//numero di elementi di val
params.rows = rows;
params.columns = columns;
params.allocationHeight = allocationHeight;
params.hackSize = hackSize;
params.hackCount = hackCount;
return params;
}
int allocHdiagDevice(void **remoteMatrix, HdiagDeviceParams* params)
{
struct HdiagDevice *tmp = (struct HdiagDevice *)malloc(sizeof(struct HdiagDevice));
int ret=SPGPU_SUCCESS;
int *tmpOff = NULL;
*remoteMatrix = (void *) tmp;
#if DEBUG
fprintf(stderr,"From alloc: %p\n",*remoteMatrix);
#endif
tmp->rows = params->rows;
tmp->hackSize = params->hackSize;
tmp->cols = params->columns;
tmp->allocationHeight = params->allocationHeight;
tmp->hackCount = params->hackCount;
#if DEBUG
fprintf(stderr,"hackcount %d allocationHeight %d\n",tmp->hackCount,tmp->allocationHeight);
#endif
if (ret == SPGPU_SUCCESS)
ret=allocRemoteBuffer((void **)&(tmp->hackOffsets), (tmp->hackCount+1)*sizeof(int));
if (ret == SPGPU_SUCCESS)
ret=allocRemoteBuffer((void **)&(tmp->hdiaOffsets), tmp->allocationHeight*sizeof(int));
/* tmp->baseIndex = params->firstIndex; */
if (params->elementType == SPGPU_TYPE_INT)
{
if (ret == SPGPU_SUCCESS)
ret=allocRemoteBuffer((void **)&(tmp->cM), tmp->hackSize*tmp->allocationHeight*sizeof(int));
}
else if (params->elementType == SPGPU_TYPE_FLOAT)
{
if (ret == SPGPU_SUCCESS)
ret=allocRemoteBuffer((void **)&(tmp->cM), tmp->hackSize*tmp->allocationHeight*sizeof(float));
}
else if (params->elementType == SPGPU_TYPE_DOUBLE)
{
if (ret == SPGPU_SUCCESS)
ret=allocRemoteBuffer((void **)&(tmp->cM), tmp->hackSize*tmp->allocationHeight*sizeof(double));
}
else if (params->elementType == SPGPU_TYPE_COMPLEX_FLOAT)
{
if (ret == SPGPU_SUCCESS)
ret=allocRemoteBuffer((void **)&(tmp->cM), tmp->hackSize*tmp->allocationHeight*sizeof(cuFloatComplex));
}
else if (params->elementType == SPGPU_TYPE_COMPLEX_DOUBLE)
{
if (ret == SPGPU_SUCCESS)
ret=allocRemoteBuffer((void **)&(tmp->cM), tmp->hackSize*tmp->allocationHeight*sizeof(cuDoubleComplex));
}
else
return SPGPU_UNSUPPORTED; // Unsupported params
return ret;
}
int FallocHdiagDevice(void** deviceMat, unsigned int rows, unsigned int cols,
unsigned int allocationHeight, unsigned int hackSize,
unsigned int hackCount, unsigned int elementType)
{ int i=0;
#ifdef HAVE_SPGPU
HdiagDeviceParams p;
p = getHdiagDeviceParams(rows, cols, allocationHeight, hackSize, hackCount,elementType);
i = allocHdiagDevice(deviceMat, &p);
#if DEBUG
fprintf(stderr," Falloc %p \n",*deviceMat);
#endif
if (i != 0) {
fprintf(stderr,"From routine : %s : %d \n","FallocEllDevice",i);
}
return(i);
#else
return SPGPU_UNSUPPORTED;
#endif
}
int writeHdiagDeviceDouble(void* deviceMat, double* val, int* hdiaOffsets, int *hackOffsets)
{ int i=0,fo,fa,j,k,p;
char buf_a[255], buf_o[255],tmp[255];
#ifdef HAVE_SPGPU
struct HdiagDevice *devMat = (struct HdiagDevice *) deviceMat;
i=SPGPU_SUCCESS;
#if DEBUG
fprintf(stderr," Write %p \n",devMat);
fprintf(stderr,"HDIAG writing to device memory: allocationHeight %d hackCount %d\n",
devMat->allocationHeight,devMat->hackCount);
fprintf(stderr,"HackOffsets: ");
for (j=0; j<devMat->hackCount+1; j++)
fprintf(stderr," %d",hackOffsets[j]);
fprintf(stderr,"\n");
fprintf(stderr,"diaOffsets: ");
for (j=0; j<devMat->allocationHeight; j++)
fprintf(stderr," %d",hdiaOffsets[j]);
fprintf(stderr,"\n");
#if 1
fprintf(stderr,"values: \n");
p=0;
for (j=0; j<devMat->hackCount; j++){
fprintf(stderr,"Hack no: %d\n",j+1);
for (k=0; k<devMat->hackSize*(devMat->allocationHeight/devMat->hackCount); k++){
fprintf(stderr," %d %lf\n",p+1,val[p]); p++;
}
}
fprintf(stderr,"\n");
#endif
#endif
if(i== SPGPU_SUCCESS)
i = writeRemoteBuffer((void *) hackOffsets,(void *) devMat->hackOffsets,
(devMat->hackCount+1)*sizeof(int));
if(i== SPGPU_SUCCESS)
i = writeRemoteBuffer((void*) hdiaOffsets, (void *)devMat->hdiaOffsets,
devMat->allocationHeight*sizeof(int));
if(i== SPGPU_SUCCESS)
i = writeRemoteBuffer((void*) val, (void *)devMat->cM,
devMat->allocationHeight*devMat->hackSize*sizeof(double));
if (i!=0)
fprintf(stderr,"Error in writeHdiagDeviceDouble %d\n",i);
#if DEBUG
fprintf(stderr," EndWrite %p \n",devMat);
#endif
if(i==0)
return SPGPU_SUCCESS;
else
return SPGPU_UNSUPPORTED;
#else
return SPGPU_UNSUPPORTED;
#endif
}
long long int sizeofHdiagDeviceDouble(void* deviceMat)
{ int i=0,fo,fa;
int *hoff=NULL,*hackoff=NULL;
long long int memsize=0;
#ifdef HAVE_SPGPU
struct HdiagDevice *devMat = (struct HdiagDevice *) deviceMat;
memsize += (devMat->hackCount+1)*sizeof(int);
memsize += devMat->allocationHeight*sizeof(int);
memsize += devMat->allocationHeight*devMat->hackSize*sizeof(double);
#endif
return(memsize);
}
int readHdiagDeviceDouble(void* deviceMat, double* a, int* off)
{ int i;
#ifdef HAVE_SPGPU
struct HdiagDevice *devMat = (struct HdiagDevice *) deviceMat;
/* i = readRemoteBuffer((void *) a, (void *)devMat->cM,devMat->rows*devMat->diags*sizeof(double)); */
/* i = readRemoteBuffer((void *) off, (void *)devMat->off, devMat->diags*sizeof(int)); */
/*if (i != 0) {
fprintf(stderr,"From routine : %s : %d \n","readEllDeviceDouble",i);
}*/
return SPGPU_SUCCESS;
#else
return SPGPU_UNSUPPORTED;
#endif
}
int spmvHdiagDeviceDouble(void *deviceMat, double alpha, void* deviceX,
double beta, void* deviceY)
{
struct HdiagDevice *devMat = (struct HdiagDevice *) deviceMat;
struct MultiVectDevice *x = (struct MultiVectDevice *) deviceX;
struct MultiVectDevice *y = (struct MultiVectDevice *) deviceY;
spgpuHandle_t handle=psb_gpuGetHandle();
#ifdef HAVE_SPGPU
#ifdef VERBOSE
/*__assert(x->count_ == x->count_, "ERROR: x and y don't share the same number of vectors");*/
/*__assert(x->size_ >= devMat->columns, "ERROR: x vector's size is not >= to matrix size (columns)");*/
/*__assert(y->size_ >= devMat->rows, "ERROR: y vector's size is not >= to matrix size (rows)");*/
#endif
#if DEBUG
fprintf(stderr," First %p \n",devMat);
fprintf(stderr,"%d %d %d %p %p %p\n",devMat->rows,devMat->cols, devMat->hackSize,
devMat->hackOffsets, devMat->hdiaOffsets, devMat->cM);
#endif
spgpuDhdiaspmv (handle, (double*)y->v_, (double *)y->v_, alpha,
(double *)devMat->cM,devMat->hdiaOffsets,
devMat->hackSize, devMat->hackOffsets, devMat->rows,devMat->cols,
x->v_, beta);
//cudaSync();
return SPGPU_SUCCESS;
#else
return SPGPU_UNSUPPORTED;
#endif
}
int writeHdiagDeviceFloat(void* deviceMat, float* val, int* hdiaOffsets, int *hackOffsets)
{ int i=0,fo,fa,j,k,p;
char buf_a[255], buf_o[255],tmp[255];
#ifdef HAVE_SPGPU
struct HdiagDevice *devMat = (struct HdiagDevice *) deviceMat;
i=SPGPU_SUCCESS;
#if DEBUG
fprintf(stderr," Write %p \n",devMat);
fprintf(stderr,"HDIAG writing to device memory: allocationHeight %d hackCount %d\n",
devMat->allocationHeight,devMat->hackCount);
fprintf(stderr,"HackOffsets: ");
for (j=0; j<devMat->hackCount+1; j++)
fprintf(stderr," %d",hackOffsets[j]);
fprintf(stderr,"\n");
fprintf(stderr,"diaOffsets: ");
for (j=0; j<devMat->allocationHeight; j++)
fprintf(stderr," %d",hdiaOffsets[j]);
fprintf(stderr,"\n");
#if 1
fprintf(stderr,"values: \n");
p=0;
for (j=0; j<devMat->hackCount; j++){
fprintf(stderr,"Hack no: %d\n",j+1);
for (k=0; k<devMat->hackSize*(devMat->allocationHeight/devMat->hackCount); k++){
fprintf(stderr," %d %lf\n",p+1,val[p]); p++;
}
}
fprintf(stderr,"\n");
#endif
#endif
if(i== SPGPU_SUCCESS)
i = writeRemoteBuffer((void *) hackOffsets,(void *) devMat->hackOffsets,
(devMat->hackCount+1)*sizeof(int));
if(i== SPGPU_SUCCESS)
i = writeRemoteBuffer((void*) hdiaOffsets, (void *)devMat->hdiaOffsets,
devMat->allocationHeight*sizeof(int));
if(i== SPGPU_SUCCESS)
i = writeRemoteBuffer((void*) val, (void *)devMat->cM,
devMat->allocationHeight*devMat->hackSize*sizeof(float));
if (i!=0)
fprintf(stderr,"Error in writeHdiagDeviceFloat %d\n",i);
#if DEBUG
fprintf(stderr," EndWrite %p \n",devMat);
#endif
if(i==0)
return SPGPU_SUCCESS;
else
return SPGPU_UNSUPPORTED;
#else
return SPGPU_UNSUPPORTED;
#endif
}
long long int sizeofHdiagDeviceFloat(void* deviceMat)
{ int i=0,fo,fa;
int *hoff=NULL,*hackoff=NULL;
long long int memsize=0;
#ifdef HAVE_SPGPU
struct HdiagDevice *devMat = (struct HdiagDevice *) deviceMat;
memsize += (devMat->hackCount+1)*sizeof(int);
memsize += devMat->allocationHeight*sizeof(int);
memsize += devMat->allocationHeight*devMat->hackSize*sizeof(float);
#endif
return(memsize);
}
int readHdiagDeviceFloat(void* deviceMat, float* a, int* off)
{ int i;
#ifdef HAVE_SPGPU
struct HdiagDevice *devMat = (struct HdiagDevice *) deviceMat;
/* i = readRemoteBuffer((void *) a, (void *)devMat->cM,devMat->rows*devMat->diags*sizeof(float)); */
/* i = readRemoteBuffer((void *) off, (void *)devMat->off, devMat->diags*sizeof(int)); */
/*if (i != 0) {
fprintf(stderr,"From routine : %s : %d \n","readEllDeviceFloat",i);
}*/
return SPGPU_SUCCESS;
#else
return SPGPU_UNSUPPORTED;
#endif
}
int spmvHdiagDeviceFloat(void *deviceMat, float alpha, void* deviceX,
float beta, void* deviceY)
{
struct HdiagDevice *devMat = (struct HdiagDevice *) deviceMat;
struct MultiVectDevice *x = (struct MultiVectDevice *) deviceX;
struct MultiVectDevice *y = (struct MultiVectDevice *) deviceY;
spgpuHandle_t handle=psb_gpuGetHandle();
#ifdef HAVE_SPGPU
#ifdef VERBOSE
/*__assert(x->count_ == x->count_, "ERROR: x and y don't share the same number of vectors");*/
/*__assert(x->size_ >= devMat->columns, "ERROR: x vector's size is not >= to matrix size (columns)");*/
/*__assert(y->size_ >= devMat->rows, "ERROR: y vector's size is not >= to matrix size (rows)");*/
#endif
#if DEBUG
fprintf(stderr," First %p \n",devMat);
fprintf(stderr,"%d %d %d %p %p %p\n",devMat->rows,devMat->cols, devMat->hackSize,
devMat->hackOffsets, devMat->hdiaOffsets, devMat->cM);
#endif
spgpuShdiaspmv (handle, (float*)y->v_, (float *)y->v_, alpha,
(float *)devMat->cM,devMat->hdiaOffsets,
devMat->hackSize, devMat->hackOffsets, devMat->rows,devMat->cols,
x->v_, beta);
//cudaSync();
return SPGPU_SUCCESS;
#else
return SPGPU_UNSUPPORTED;
#endif
}
#endif