int main(int argc, char** argv)
{
// timer
struct timeval st, et;
float gputime = 0.0, cputime = 0.0;
// read Sparse Matrix from file or generate
if (argc < 2 || argc > 4) {
printf("Correct Usage: <executable> <input matrix file>\n");
exit(-1);
}
// init the network
agile::NetworkEnvironment environment(argc, argv);
// allocate a GPU
typedef agile::GPUCommunicator<unsigned, float, float> communicator_type;
communicator_type com;
com.allocateGPU();
char spmfileName[256];
strcpy(spmfileName, argv[1]);
if (!fileIsReadable(spmfileName))
{
printf("Non-existent input matrix file\n");
exit(-1);
}
unsigned m_num_rows, m_num_cols;
std::vector<unsigned> m_row_nnz;
std::vector<unsigned> m_column_index;
std::vector<float> m_data;
// read in matrix from matrix-market file
readSparseMatrix(spmfileName, 0, m_num_rows, m_num_cols, m_row_nnz,
m_column_index, m_data);
std::cout << m_num_rows << "\t" << m_num_cols << "\t";
/*
PRINT_VEC("m_row_nnz", m_row_nnz);
PRINT_VEC("m_column_index", m_column_index);
PRINT_VEC("m_data", m_data);
*/
// init gpu matrix
agile::GPUCSMatrix<float> A(m_row_nnz, m_column_index, m_data);
// init random vector
std::vector<float> x_host(m_num_cols, 0);
srand(time(NULL));
for (unsigned i=0; i<m_num_cols; ++i)
x_host[i] = rand() / (float)RAND_MAX;
//PRINT_VEC("RANDOM X VECTOR", x_host);
// init gpu vector
agile::GPUVector<float> x(m_num_cols);
x.assignFromHost(x_host.begin(), x_host.end());
// init result gpu vector: y
agile::GPUVector<float> y(m_num_rows);
// start time
gettimeofday(&st, NULL);
for (unsigned t=0; t<NUM_ITER; ++t)
{
// gpu multiplication
agile::multiply(A, x, y);
cudaThreadSynchronize();
}
// stop time
gettimeofday(&et, NULL);
gputime = ((et.tv_sec-st.tv_sec)*1000.0 + (et.tv_usec - st.tv_usec)/1000.0)/NUM_ITER;
// transfer GPU multiplication result back to cpu
std::vector<float> y_host;
y.copyToHost(y_host);
//----------------- CPU computation from ibm demo ---------------------------
SpMatrix m;
readSparseMatrix(&m, spmfileName, 0);
unsigned int numNonZeroElements = m.numNZEntries;
unsigned int memSize_row = sizeof(float) * m_num_rows;
// allocate host memory
float* h_x = (float*) malloc(memSize_row);
#if PADDED_CSR
float *h_val;
unsigned int *h_indices, *h_rowIndices;
genPaddedCSRFormat(&m, &h_val, &h_rowIndices, &h_indices);
#else
float* h_val = (float*) malloc(sizeof(float)*numNonZeroElements);
unsigned int* h_indices = (unsigned int*) malloc(sizeof(int)*numNonZeroElements);
unsigned int* h_rowIndices = (unsigned int*) malloc(sizeof(int)*(m_num_rows+1));
genCSRFormat(&m, h_val, h_rowIndices, h_indices);
#endif
// CPU REFERENCE
float* reference = (float*) malloc(memSize_row);
#if EXEC_CPU
#if TIMER
gettimeofday(&st, NULL);
#endif
// compute reference solution
#if BCSR
float *val;
unsigned int *rowIndices, *indices;
unsigned int numblocks;
genBCSRFormat(&m, &val, &rowIndices, &indices, &numblocks, BCSR_r, BCSR_c);
computeSpMV_BCSR(reference, val, rowIndices, indices, &(x_host[0]), m_num_rows, m_num_cols, BCSR_r, BCSR_c);
#else
computeSpMV(reference, h_val, h_rowIndices, h_indices, &(x_host[0]), m_num_rows);
#endif
#if TIMER
gettimeofday(&et, NULL);
cputime = (et.tv_sec-st.tv_sec)*1000.0 + (et.tv_usec - st.tv_usec)/1000.0;
#endif
#endif
float flops= ((numNonZeroElements * 2) / (gputime*1000000));
//printf("GPU (ms) \tCPU (ms) \tGFLOPS\n");
printf("%f\t%f\t%f\t", gputime, cputime, flops);
#if VERIFY
// check result
float error_norm, ref_norm, diff;
error_norm = 0;
ref_norm = 0;
for (unsigned i = 0; i < m_num_rows; ++i) {
diff = reference[i] - y_host[i];
error_norm += diff * diff;
ref_norm += reference[i] * reference[i];
}
error_norm = (float)sqrt((double)error_norm);
ref_norm = (float)sqrt((double)ref_norm);
if (fabs(ref_norm) < 1e-7)
printf ("Test FAILED");
else
printf( "Test %s", ((error_norm / ref_norm) < 1e-6f) ? "PASSED" : "FAILED");
#endif
free(reference);
free(h_x);
#if !PADDED_CSR
free(h_val);
free(h_indices);
free(h_rowIndices);
#endif
return 0;
}
/*
* Compile files controlled by the argument vector and
* return the total error count.
*/
int
compFilesLoop(int argc, char **argv)
{
int i, iargc, totErrors, nErrors;
FileName fn;
Bool isSolo;
compInit();
iargc = cmdArguments(1, argc, argv);
argc -= iargc;
argv += iargc;
if (argc == 0) {
if (comsgOkBreakLoop())
bloopMsgFPrintf(osStdout, ALDOR_W_NoFiles, cmdName);
comsgWarning(NULL, ALDOR_W_NoFiles, cmdName);
}
emitDoneOptions(argc, argv);
ccGetReady();
isSolo = (cmdFileCount == 1);
compFinfov = (EmitInfo *) stoAlloc((unsigned) OB_Other,
(cmdFileCount+1) * sizeof(EmitInfo));
for (i = 0; i <= cmdFileCount; i += 1) compFinfov[i] = 0;
totErrors = 0;
for (i = 0; i < cmdFileCount; i++) {
fn = fnameParse(argv[i]);
compFinfov[i] = emitInfoNew(fn);
nErrors = 0;
if (!fileIsReadable(fn)) {
if (comsgOkBreakLoop())
bloopMsgFPrintf(osStdout, ALDOR_F_CantOpen, argv[i]);
comsgFatal(NULL, ALDOR_F_CantOpen, argv[i]);
}
switch (ftypeNo(fnameType(fn))) {
#if 0
case FTYPENO_C:
nErrors = compCFile(compFinfov[i]);
break;
#endif
case FTYPENO_OBJECT:
case FTYPENO_AR_OBJ:
case FTYPENO_AR_INT:
break;
case FTYPENO_FOAMEXPR:
case FTYPENO_INTERMED:
if (!isSolo) fprintf(osStdout, "\n%s:\n", argv[i]);
nErrors = compSavedFile(compFinfov[i]);
break;
default:
if (!ftypeEqual(fnameType(fn), "")) {
if (comsgOkBreakLoop())
bloopMsgFPrintf(osStdout,
ALDOR_F_BadFType,
argv[i],
fnameType(fn),
FTYPE_SRC);
comsgFatal(NULL, ALDOR_F_BadFType, argv[i],
fnameType(fn), FTYPE_SRC);
}
/* Fall through. */
case FTYPENO_NONE:
case FTYPENO_SRC:
case FTYPENO_INCLUDED:
case FTYPENO_ABSYN:
case FTYPENO_OLDABSYN:
if (!isSolo) fprintf(osStdout, "\n%s:\n", argv[i]);
nErrors = compSourceFile(compFinfov[i]);
break;
}
totErrors += nErrors;
fnameFree(fn);
}
if (cmdFileCount > 0 && totErrors == 0) {
compFinfov[cmdFileCount] = emitInfoNewAXLmain();
compAXLmainFile(compFinfov[cmdFileCount]);
emitLink(cmdFileCount + 1, compFinfov);
argc -= cmdFileCount;
argv += cmdFileCount;
emitInterp(argc, argv);
emitRun (argc, argv);
}
if (totErrors > 0) emitAllDone();
for (i = 0; i < cmdFileCount + 1; i++) emitInfoFree(compFinfov[i]);
stoFree((Pointer) compFinfov);
compFinfov = 0;
if (!isSolo) phGrandTotals(cmdVerboseFlag);
compFini();
return totErrors;
}
/*
* Subsume options in response file into argument vector.
* Only the slots 'argi0..*pargc-1 are treated as arguments.
*/
Bool
cmdSubsumeResponseFiles(int argi0, int *pargc, String **pargv)
{
int nresps = 0, i;
String *argv;
String envopts;
assert(*pargc >= 1);
/* Copy the original args into a new r/w vector.
* The extra slot is potentially used in handling AXIOMXLARGS.
*/
argv = (String *) stoAlloc(OB_Other, (*pargc+1) * sizeof(String *));
for (i = 0; i < *pargc; i++)
argv[i] = strCopy((*pargv)[i]);
*pargv = argv;
/* Check for ALDORARGS/AXIOMXLARGS environment variable. */
envopts = osGetEnv("ALDORARGS");
if (!envopts) envopts = osGetEnv("AXIOMXLARGS");
if (envopts) {
envopts = strCopy(envopts);
for (i = *pargc - 1; i >= argi0; i--)
(*pargv)[i+1] = (*pargv)[i];
(*pargv)[argi0] = strCopy("-aFake");
(*pargc)++;
cmdOneResponse(pargc, pargv, envopts, argi0, argi0+1);
nresps++;
strFree(envopts);
}
while (cmdHasOption('a', NULL, *pargc, *pargv)) {
String fileName = 0, fileText;
FileName fn;
int opt = 0, nextArg, startArg, j;
for (nextArg = argi0, j = 0; ; ) {
startArg = nextArg;
opt = cmdGetOption(*pargc,*pargv,
&nextArg,&j,&fileName);
/* Have response file option by itself. */
if (optIs(opt, 'a'))
break;
/* Next option is response file option. Must be last */
else if (j > 0 && optIs((*pargv)[startArg][j], 'a')) {
int oldStartArg = startArg, oldJ = j;
startArg = nextArg;
opt = cmdGetOption(*pargc,*pargv,
&nextArg,&j,&fileName);
(*pargv)[oldStartArg][oldJ] = '\0';
++startArg;
break;
}
}
if (! fileName || ! fileName[0])
/* Can't use cmdUseError here - no msg db! */
comsgFatal(NULL,ALDOR_F_CmdBadOption,"-a",cmdName);
fn = fnameParse(fileName);
if (! fileIsReadable(fn))
comsgFatal(NULL, ALDOR_F_CantOpen, fileName);
/* We now have an existing response file */
fileText = fileContentsString(fn);
cmdOneResponse(pargc, pargv, fileText, startArg, nextArg);
fileFreeContentsString(fileText);
nresps++;
}
return nresps > 0;
}
