int main(int argc, char *argv[]) {
if (argc < 4) printUse();
int pipeIndex = 0; //argument index of the pipe symbol ':'
for (int i = 1; i < argc; i++) {
if (strcmp(argv[i], ":") == 0) {
pipeIndex = i;
break;
}
}
if (pipeIndex == 0) printUse(); //no colon found
if (pipeIndex == 1) printUse(); //colon cannot be first argument
if (pipeIndex == argc - 1) printUse(); //colon cannot be last argument
char **write = calloc(sizeof(char *), (pipeIndex)); //initialize write and read arrays
char **read = calloc(sizeof(char *), (argc - pipeIndex) + 2); //while setting every index to null
for (int i = 1; i < pipeIndex; i++) { //assign everything before the colon to write array
write[i - 1] = argv[i];
}
for (int i = pipeIndex + 1; i < argc; i++) { //assign everything after the colon to read array
read[i - pipeIndex - 1] = argv[i];
}
int fd[2];
int status;
pipe(fd);
if (fork ()) {
close(fd[0]); // close read end
dup2(fd[1], STDOUT_FILENO);
close(fd[1]);
execvp(write[0], write);
wait(&status);
} else {
close(fd[1]); //close write end
dup2(fd[0], STDIN_FILENO);
close(fd[0]);
execvp(read[0], read);
}
return 0;
}
int main(int argc, char **argv) {
struct sockaddr_in addr;
int sd, addrlen = sizeof(addr);
if (argc != 2) {
printUse(argv[0]);
return 0;
}
if ( (sd = socket(PF_INET, SOCK_STREAM, 0)) < 0 )
PERROR("Socket");
addr.sin_family = AF_INET;
addr.sin_port = htons(MY_PORT);
addr.sin_addr.s_addr = INADDR_ANY;
if ( bind(sd, (struct sockaddr*)&addr, addrlen) < 0 )
PERROR("Bind");
if ( listen(sd, 20) < 0 )
PERROR("Listen");
printf ("Server listening on port: %d\n", MY_PORT);
char *rootDir = argv[1];
int lenRootDir = strlen(rootDir)-1;
while(rootDir[lenRootDir] == '/') {
rootDir[lenRootDir] = '\0';
lenRootDir--;
}
while (1) {
int len;
int client = accept(sd, (struct sockaddr*)&addr, &addrlen);
printf("Connected: %s:%d\n", inet_ntoa(addr.sin_addr), ntohs(addr.sin_port));
if ( (len = recv(client, buffer, MAXBUF, 0)) > 0 ) {
FILE* ClientFP = fdopen(client, "w");
if ( ClientFP == NULL ) perror("fpopen");
else {
char Req[MAXPATH] = { 0 };
sscanf(buffer, "GET %s HTTP", Req);
printf("Request: \"%s\"\n", Req);
ServeStatic(ClientFP, Req, rootDir);
fclose(ClientFP);
}
}
close(client);
}
return 0;
}
int main(int argc, char *argv[])
{
double minTime = 99999.0;
double testTime = 0.0;
double maxBidirBw = 0.0;
double maxUnidirBw = 0.0;
int maxBidirSize = 0;
int maxUnidirSize = 0;
char* procFile = NULL;
int* procList = NULL;
int procListSize;
int rank, wsize, iters, procs;
int messStart, messStop, messFactor, messSize;
int procsPerNode, totalops, procIdx;
int useBarrier, printPairs, useNearestRank, dummy;
double currBw;
char allocPattern;
MPI_Comm activeComm;
command = argv[0];
MPI_Init(&argc, &argv);
MPI_Comm_size(MPI_COMM_WORLD, &wsize);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
if(rank == 0) {
//sleep(5);
//while (!__sync_bool_compare_and_swap(&r_sync, 59, 0)){ sleep(2); printf("sync value %d \n", r_sync); };
int k = 0;
#pragma omp parallel
#pragma omp atomic
k++;
printf ("Done Sync. Number of Threads counted = %i\n",k);
int N = 1048576;
int i = 0;
int j = 0;
double start, diff;
for(j=0; j < 50 ; j++) {
#pragma omp parallel for
for (i=0; i<N; i++) {
a[i] = 1.0;
b[i] = 2.0;
}
start = MPI_Wtime();
#pragma omp parallel for
for (i = 0; i < N; i++) {
a[i]= b[i];
}
diff = MPI_Wtime() - start ;
printf("ELAPSED time to copy : %11.6f N: %d \n",diff, N);
}
}else{
//__sync_fetch_and_add(&r_sync, 1);
printf("OK other ranks \n");
//sleep(100);
}
MPI_Barrier(MPI_COMM_WORLD);
MPI_Finalize();
return 0 ;
if ( !processArgs(argc, argv, rank, wsize, &iters, &dummy,
&messStart, &messStop, &messFactor,
&procFile, &procsPerNode, &allocPattern,
&printPairs, &useBarrier, &useNearestRank) )
{
if ( rank == 0 )
printUse();
MPI_Finalize();
exit(-1);
}
if ( ! getProcList(procFile, wsize, &procList, &procListSize,
procsPerNode, allocPattern) )
{
if ( procFile )
printf("Failed to get process list from file %s.\n", procFile);
else
printf("Failed to allocate process list.\n");
exit(-1);
}
if ( rank == 0 )
printReportHeader();
//Set up intra-node shared memory structures.
if(rank == 0) {
//One rank per node allocates shared send request lists.
req_array = malloc(wsize*sizeof(ReqInfo));
/*if(!IS_SM_BUF((void*)req_array)){
printf("Failed to allocate from SM region :%p \n", req_array);
exit(-1);
}*/
}
//broadcast address of the pointer variable so that each rank has access to it
MPI_Bcast(&req_array , 1, MPI_LONG, 0, MPI_COMM_WORLD);
//printf("Broadcasting of shared mem region complete! rank : %d region_addr : %lu region_ptr : %lu \n", rank, &req_array, req_array);
//printf("Access shm region ! rank : %d region for sync : %lu \n", rank, req_array[rank].sync);
/*
if(rank == 0){
char* comBuf = (char*)malloc(10);
memset(comBuf, 1, 10);
req_array[30].buffer = comBuf ;
comBuf[0] = 'n';
req_array[30].sync = malloc(sizeof(int));
req_array[30].sync[0] = 12;
printf("rank : %d done sending buff ptr : %p sync ptr : %p \n",rank, comBuf, req_array[30].sync );
printf("sleeping ! pid() %d \n", getpid());
sleep(40000);
}else if(rank == 30){
while(req_array[30].sync == NULL){
}
while(req_array[30].sync[0] != 12){
}
printf("rank : %d buffer value: %c sync value : %d buff ptr : %p sync ptr : %p \n",
rank, req_array[30].buffer[0], req_array[30].sync[0], req_array[30].buffer, req_array[30].sync );
printf("sleeping ! pid() %d \n", getpid());
sleep(40000);
}
MPI_Barrier(MPI_COMM_WORLD);
return 0;*/
printPairs = 1 ;
for ( procIdx = 0; procIdx < procListSize; procIdx++ )
{
procs = procList[procIdx];
if ( rank == 0 && printPairs )
{
printActivePairs(procs, rank, wsize, procsPerNode,
allocPattern, useNearestRank);
}
/* Create Communicator of all active processes */
createActiveComm(procs, rank, wsize, procsPerNode,
allocPattern, printPairs, useNearestRank, &activeComm);
// messStart = 8388608;
// messStop = 4096 ;
// messStop = 8388608 ;
for ( messSize = messStart; messSize <= messStop;
messSize *= messFactor )
{
testTime = runUnicomTest(procs, messSize, iters, rank,
wsize, procsPerNode, allocPattern,
useBarrier, useNearestRank, &activeComm);
if ( rank == 0 && testTime > 0 )
{
totalops = iters * (procs/2);
currBw = ((double)totalops*(double)messSize/testTime)/1000000;
if ( currBw > maxUnidirBw )
{
maxUnidirBw = currBw;
maxUnidirSize = messSize;
}
if ( testTime < minTime )
minTime = testTime;
}
}
if ( activeComm != MPI_COMM_NULL )
MPI_Comm_free(&activeComm);
if ( rank == 0 )
printf("\n");
}
for ( procIdx = 0; procIdx < procListSize; procIdx++ )
{
procs = procList[procIdx];
if ( rank == 0 && printPairs )
{
printActivePairs(procs, rank, wsize, procsPerNode,
allocPattern, useNearestRank);
}
// Create Communicator of all active processes
createActiveComm(procs, rank, wsize, procsPerNode,
allocPattern, printPairs, useNearestRank, &activeComm);
for ( messSize = messStart; messSize <= messStop;
messSize *= messFactor )
{
testTime = runBicomTest(procs, messSize, iters, rank,
wsize, procsPerNode, allocPattern,
useBarrier, useNearestRank, &activeComm);
if ( rank == 0 && testTime > 0 )
{
totalops = iters * procs;
currBw = (((double)totalops*(double)messSize)/testTime)/1000000;
if ( currBw > maxBidirBw )
{
maxBidirBw = currBw;
maxBidirSize = messSize;
}
if ( testTime < minTime )
minTime = testTime;
}
}
if ( activeComm != MPI_COMM_NULL )
MPI_Comm_free(&activeComm);
if ( rank == 0 )
printf("\n");
}
if ( rank == 0 )
{
printf("Max Unidirectional Bandwith : %13.2f for message size of %7d bytes\n",
maxUnidirBw, maxUnidirSize);
printf("Max Bidirectional Bandwith : %13.2f for message size of %7d bytes\n",
maxBidirBw, maxBidirSize);
printParameters(iters, messStart, messStop, messFactor,
procFile, procsPerNode, allocPattern, useBarrier);
free(req_array);
}
printReportFooter(minTime, rank, wsize, procsPerNode, useNearestRank);
free(procList);
MPI_Finalize();
exit(0);
}
main(int argc, char** argv)
{
int rank, wsize, iters, i, procs, currtarg, dummy;
double diff = 0.0;
double start, max, mintime = 9999;
MPI_Status stat;
char comBuf;
MPI_Comm activeComm;
char* procFile = NULL;
int* procList = NULL;
int procListSize;
int messStart, messStop, messFactor;
int procsPerNode, procIdx, useBarrier, printPairs, useNearestRank;
char allocPattern;
command = argv[0];
MPI_Init(&argc, &argv);
MPI_Comm_size(MPI_COMM_WORLD, &wsize);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
if ( !processArgs(argc, argv, rank, wsize, &iters,
&dummy, &messStart, &messStop, &messFactor,
&procFile, &procsPerNode, &allocPattern,
&printPairs, &useBarrier, &useNearestRank) )
{
if ( rank == 0 )
printUse();
MPI_Finalize();
exit(-1);
}
if ( ! getProcList(procFile, wsize, &procList, &procListSize,
procsPerNode, allocPattern) )
{
if ( procFile )
printf("Failed to get process list from file %s.\n", procFile);
else
printf("Failed to allocate process list.\n");
exit(-1);
}
if ( rank == 0 )
printReportHeader();
currtarg = getTargetRank(rank, wsize, procsPerNode, useNearestRank);
for ( procIdx = 0; procIdx < procListSize; procIdx++ )
{
procs = procList[procIdx];
if ( printPairs )
{
printActivePairs(procs, rank, wsize, procsPerNode,
allocPattern, useNearestRank);
}
/* Create Communicator of all active processes */
createActiveComm(procs, rank, wsize, procsPerNode,
allocPattern, printPairs, useNearestRank, &activeComm);
if ( isActiveProc(rank, wsize, procsPerNode, procs,
allocPattern, useNearestRank) )
{
if ( rank < currtarg )
{
/* Ensure pair communication has been initialized */
MPI_Recv(&comBuf, 0, MPI_INT, currtarg, 0, MPI_COMM_WORLD, &stat);
MPI_Send(&comBuf, 0, MPI_INT, currtarg, 0, MPI_COMM_WORLD);
}
else
{
/* Ensure pair communication has been initialized */
MPI_Send(&comBuf, 0, MPI_INT, currtarg, 0, MPI_COMM_WORLD);
MPI_Recv(&comBuf, 0, MPI_INT, currtarg, 0, MPI_COMM_WORLD, &stat);
}
//generic_barrier(activeComm);
MPI_Barrier(activeComm);
//generic_barrier(activeComm);
MPI_Barrier(activeComm);
if ( rank < currtarg )
{
/* Time operation loop */
start = MPI_Wtime();
for ( i = 0; i < iters; i++ )
{
MPI_Send(&comBuf, 0, MPI_INT, currtarg, 0, MPI_COMM_WORLD);
MPI_Recv(&comBuf, 0, MPI_INT, currtarg, 0, MPI_COMM_WORLD, &stat);
}
}
else
{
/* Time operation loop */
start = MPI_Wtime();
for ( i = 0; i < iters; i++ )
{
MPI_Recv(&comBuf, 0, MPI_INT, currtarg, 0, MPI_COMM_WORLD, &stat);
MPI_Send(&comBuf, 0, MPI_INT, currtarg, 0, MPI_COMM_WORLD);
}
}
if ( useBarrier )
MPI_Barrier(activeComm);
//generic_barrier(activeComm);
diff = MPI_Wtime() - start;
}
if ( activeComm != MPI_COMM_NULL )
MPI_Comm_free(&activeComm);
/* Get maximum sample length */
MPI_Reduce(&diff, &max, 1, MPI_DOUBLE, MPI_MAX, 0, MPI_COMM_WORLD);
if ( rank == 0 )
{
if ( max < mintime )
mintime = max;
printf(outputFormat, procs, max/iters/2*1000000);
}
}
if ( rank == 0 )
{
printParameters(iters, procFile, procsPerNode,
allocPattern, useBarrier);
}
printReportFooter(mintime, rank, wsize, procsPerNode, useNearestRank);
MPI_Finalize();
exit(0);
}
int
main ( int argc, char *argv[] )
{
int *messList = NULL;
int testIdx, doTestLoop;
int i;
executableName = "com";
MPI_Init ( &argc, &argv );
MPI_Get_processor_name ( hostName, &i );
/* Set global wsize and rank values */
MPI_Comm_size ( MPI_COMM_WORLD, &wsize );
MPI_Comm_rank ( MPI_COMM_WORLD, &rank );
if ( !initAllTestTypeParams ( &testParams ) )
{
MPI_Finalize ( );
exit ( 1 );
}
argStruct.testList = "Bidirectional, BidirAsync";
if ( !processArgs ( argc, argv ) )
{
if ( rank == 0 )
printUse ( );
MPI_Finalize ( );
exit ( 1 );
}
/* If using a source directory of process rank target files,
* get the next appropriate file.
*/
if ( targetDirectory != NULL && getNextTargetFile ( ) == 0 )
{
prestaAbort ( "Failed to open target file in target directory %s\n",
targetDirectory );
}
doTestLoop = 1;
while ( doTestLoop )
{
if ( !setupTestListParams ( ) || !initAllTestTypeParams ( &testParams ) )
{
if ( rank == 0 )
printUse ( );
MPI_Finalize ( );
exit ( 1 );
}
#ifdef PRINT_ENV
if ( rank == 0 )
printEnv();
#endif
printReportHeader ( );
for ( testIdx = 0; testIdx < TYPETOT; testIdx++ )
{
if ( argStruct.testList == NULL
|| ( argStruct.testList != NULL
&& strstr ( argStruct.testList,
testParams[testIdx].name ) != NULL ) )
{
prestaRankDebug ( 0, "running test index %d\n", testIdx );
runTest ( &testParams[testIdx] );
}
}
if ( presta_check_data == 1 )
{
MPI_Reduce ( &presta_data_err_total, &presta_global_data_err_total,
1, MPI_LONG_LONG, MPI_SUM, 0, MPI_COMM_WORLD );
}
if ( targetDirectory == NULL || getNextTargetFile ( ) == 0 )
{
doTestLoop = 0;
}
}
printSeparator ( );
freeBuffers ( &testParams );
free ( messList );
MPI_Finalize ( );
exit ( 0 );
}
int main(int argc, char *argv[])
{
double minTime = 99999.0;
double testTime = 0.0;
double maxBidirBw = 0.0;
double maxUnidirBw = 0.0;
int maxBidirSize = 0;
int maxUnidirSize = 0;
char* procFile = NULL;
int* procList = NULL;
int procListSize;
int rank, wsize, iters, procs;
int messStart, messStop, messFactor, messSize;
int procsPerNode, totalops, procIdx;
int useBarrier, printPairs, useNearestRank, dummy;
double currBw;
char allocPattern;
MPI_Comm activeComm;
command = argv[0];
MPI_Init(&argc, &argv);
MPI_Comm_size(MPI_COMM_WORLD, &wsize);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
if ( !processArgs(argc, argv, rank, wsize, &iters, &dummy,
&messStart, &messStop, &messFactor,
&procFile, &procsPerNode, &allocPattern,
&printPairs, &useBarrier, &useNearestRank) )
{
if ( rank == 0 )
printUse();
MPI_Finalize();
exit(-1);
}
if ( ! getProcList(procFile, wsize, &procList, &procListSize,
procsPerNode, allocPattern) )
{
if ( procFile )
printf("Failed to get process list from file %s.\n", procFile);
else
printf("Failed to allocate process list.\n");
exit(-1);
}
if ( rank == 0 )
printReportHeader();
for ( procIdx = 0; procIdx < procListSize; procIdx++ )
{
procs = procList[procIdx];
if ( rank == 0 && printPairs )
{
printActivePairs(procs, rank, wsize, procsPerNode,
allocPattern, useNearestRank);
}
/* Create Communicator of all active processes */
createActiveComm(procs, rank, wsize, procsPerNode,
allocPattern, printPairs, useNearestRank, &activeComm);
for ( messSize = messStart; messSize <= messStop;
messSize *= messFactor )
{
testTime = runUnicomTest(procs, messSize, iters, rank,
wsize, procsPerNode, allocPattern,
useBarrier, useNearestRank, &activeComm);
if ( rank == 0 && testTime > 0 )
{
totalops = iters * (procs/2);
currBw = ((double)totalops*(double)messSize/testTime)/1000000;
if ( currBw > maxUnidirBw )
{
maxUnidirBw = currBw;
maxUnidirSize = messSize;
}
if ( testTime < minTime )
minTime = testTime;
}
}
if ( activeComm != MPI_COMM_NULL )
MPI_Comm_free(&activeComm);
if ( rank == 0 )
printf("\n");
}
for ( procIdx = 0; procIdx < procListSize; procIdx++ )
{
procs = procList[procIdx];
if ( rank == 0 && printPairs )
{
printActivePairs(procs, rank, wsize, procsPerNode,
allocPattern, useNearestRank);
}
/* Create Communicator of all active processes */
createActiveComm(procs, rank, wsize, procsPerNode,
allocPattern, printPairs, useNearestRank, &activeComm);
for ( messSize = messStart; messSize <= messStop;
messSize *= messFactor )
{
testTime = runBicomTest(procs, messSize, iters, rank,
wsize, procsPerNode, allocPattern,
useBarrier, useNearestRank, &activeComm);
if ( rank == 0 && testTime > 0 )
{
totalops = iters * procs;
currBw = (((double)totalops*(double)messSize)/testTime)/1000000;
if ( currBw > maxBidirBw )
{
maxBidirBw = currBw;
maxBidirSize = messSize;
}
if ( testTime < minTime )
minTime = testTime;
}
}
if ( activeComm != MPI_COMM_NULL )
MPI_Comm_free(&activeComm);
if ( rank == 0 )
printf("\n");
}
if ( rank == 0 )
{
printf("Max Unidirectional Bandwith : %13.2f for message size of %7d bytes\n",
maxUnidirBw, maxUnidirSize);
printf("Max Bidirectional Bandwith : %13.2f for message size of %7d bytes\n",
maxBidirBw, maxBidirSize);
printParameters(iters, messStart, messStop, messFactor,
procFile, procsPerNode, allocPattern, useBarrier);
}
printReportFooter(minTime, rank, wsize, procsPerNode, useNearestRank);
free(procList);
MPI_Finalize();
exit(0);
}