Exemplo n.º 1
0
void FORTRAN_API mpi_file_iwrite_(MPI_Fint *fh,void *buf,int *count,
                                  MPI_Datatype *datatype,MPI_Fint *request, int *ierr )
{
    MPI_File fh_c;
    MPIO_Request req_c;

    fh_c = MPI_File_f2c(*fh);
    *ierr = MPI_File_iwrite(fh_c,buf,*count,*datatype,&req_c);
    *request = MPIO_Request_c2f(req_c);
}
Exemplo n.º 2
0
JNIEXPORT jlong JNICALL Java_mpi_File_iWrite(
        JNIEnv *env, jobject jthis, jlong fh,
        jobject buf, jint count, jlong type)
{
    void *ptr = (*env)->GetDirectBufferAddress(env, buf);
    MPI_Request request;

    int rc = MPI_File_iwrite((MPI_File)fh, ptr, count,
                             (MPI_Datatype)type, &request);

    ompi_java_exceptionCheck(env, rc);
    return (jlong)request;
}
Exemplo n.º 3
0
void mpi_file_iwrite_(MPI_Fint *fh,void *buf,int *count,
                      MPI_Fint *datatype,MPI_Fint *request, int *ierr )
{
    MPI_File fh_c;
    MPIO_Request req_c;
    MPI_Datatype datatype_c;

    fh_c = MPI_File_f2c(*fh);
    datatype_c = MPI_Type_f2c(*datatype);

    *ierr = MPI_File_iwrite(fh_c,buf,*count,datatype_c,&req_c);
    *request = MPIO_Request_c2f(req_c);
}
Exemplo n.º 4
0
void mpi_file_iwrite_f(MPI_Fint *fh, char *buf, MPI_Fint *count, MPI_Fint *datatype, MPI_Fint *request, MPI_Fint *ierr)
{
   MPI_File c_fh = MPI_File_f2c(*fh);
   MPI_Datatype c_type = MPI_Type_f2c(*datatype);
   MPI_Request c_request;
   
   *ierr = OMPI_INT_2_FINT(MPI_File_iwrite(c_fh, OMPI_F2C_BOTTOM(buf),
					   OMPI_FINT_2_INT(*count),
					   c_type, &c_request));
   
   if (MPI_SUCCESS == OMPI_FINT_2_INT(*ierr)) {
      *request = MPI_Request_c2f(c_request);
   }
}
Exemplo n.º 5
0
int main(int argc, char **argv)
{
    int *buf, i, rank, nints, len;
    char *filename, *tmp;
    int errs=0;
    MPI_File fh;
    MPI_Status statuses[NUMOPS];
    MPI_Request requests[NUMOPS];

    MTest_Init(&argc,&argv);
    MPI_Comm_rank(MPI_COMM_WORLD, &rank);

    /* process 0 takes the file name as a command-line argument and
       broadcasts it to other processes */
    if (!rank) {
        i = 1;
        while ((i < argc) && strcmp("-fname", *argv)) {
            i++;
            argv++;
        }
        if (i >= argc) {
            /* Use a default filename of testfile */
            len      = 8;
            filename = (char *)malloc(len + 10);
            strcpy( filename, "testfile" );
            /*
            fprintf(stderr, "\n*#  Usage: async_any -fname filename\n\n");
            MPI_Abort(MPI_COMM_WORLD, 1);
            */
        }
        else {
            argv++;
            len = (int)strlen(*argv);
            filename = (char *) malloc(len+10);
            strcpy(filename, *argv);
        }
        MPI_Bcast(&len, 1, MPI_INT, 0, MPI_COMM_WORLD);
        MPI_Bcast(filename, len+10, MPI_CHAR, 0, MPI_COMM_WORLD);
    }
    else {
        MPI_Bcast(&len, 1, MPI_INT, 0, MPI_COMM_WORLD);
        filename = (char *) malloc(len+10);
        MPI_Bcast(filename, len+10, MPI_CHAR, 0, MPI_COMM_WORLD);
    }


    buf = (int *) malloc(SIZE);
    nints = SIZE/sizeof(int);
    for (i=0; i<nints; i++) buf[i] = rank*100000 + i;

    /* each process opens a separate file called filename.'myrank' */
    tmp = (char *) malloc(len+10);
    strcpy(tmp, filename);
    sprintf(filename, "%s.%d", tmp, rank);

    MPI_File_open(MPI_COMM_SELF, filename, MPI_MODE_CREATE | MPI_MODE_RDWR,
                  MPI_INFO_NULL, &fh);
    MPI_File_set_view(fh, 0, MPI_INT, MPI_INT, (char*)"native", MPI_INFO_NULL);
    for (i=0; i < NUMOPS; i++) {
        MPI_File_iwrite(fh, buf, nints, MPI_INT, &(requests[i]));
    }
    MPI_Waitall(NUMOPS, requests, statuses);
    MPI_File_close(&fh);

    /* reopen the file and read the data back */

    for (i=0; i<nints; i++) buf[i] = 0;
    MPI_File_open(MPI_COMM_SELF, filename, MPI_MODE_CREATE | MPI_MODE_RDWR,
                  MPI_INFO_NULL, &fh);
    MPI_File_set_view(fh, 0, MPI_INT, MPI_INT, (char*)"native", MPI_INFO_NULL);
    for (i=0; i < NUMOPS; i++) {
        MPI_File_iread(fh, buf, nints, MPI_INT, &(requests[i]));
    }
    MPI_Waitall(NUMOPS, requests, statuses);
    MPI_File_close(&fh);

    /* check if the data read is correct */
    for (i=0; i<nints; i++) {
        if (buf[i] != (rank*100000 + i)) {
            errs++;
            fprintf(stderr, "Process %d: error, read %d, should be %d\n", rank, buf[i], rank*100000+i);
        }
    }

    free(buf);
    free(filename);
    free(tmp);

    MTest_Finalize(errs);
    MPI_Finalize();
    return 0;
}
Exemplo n.º 6
0
int main(int argc, char **argv)
{
    int *buf, i, rank, nints, len;
    char *filename, *tmp;
    int errs=0, toterrs;
    MPI_File fh;
    MPI_Status status;
    MPIO_Request request;
    int errcode = 0;

    MPI_Init(&argc,&argv);
    MPI_Comm_rank(MPI_COMM_WORLD, &rank);

/* process 0 takes the file name as a command-line argument and
   broadcasts it to other processes */
    if (!rank) {
	i = 1;
	while ((i < argc) && strcmp("-fname", *argv)) {
	    i++;
	    argv++;
	}
	if (i >= argc) {
	    fprintf(stderr, "\n*#  Usage: async -fname filename\n\n");
	    MPI_Abort(MPI_COMM_WORLD, 1);
	}
	argv++;
	len = strlen(*argv);
	filename = (char *) malloc(len+10);
	strcpy(filename, *argv);
	MPI_Bcast(&len, 1, MPI_INT, 0, MPI_COMM_WORLD);
	MPI_Bcast(filename, len+10, MPI_CHAR, 0, MPI_COMM_WORLD);
    }
    else {
	MPI_Bcast(&len, 1, MPI_INT, 0, MPI_COMM_WORLD);
	filename = (char *) malloc(len+10);
	MPI_Bcast(filename, len+10, MPI_CHAR, 0, MPI_COMM_WORLD);
    }


    buf = (int *) malloc(SIZE);
    nints = SIZE/sizeof(int);
    for (i=0; i<nints; i++) buf[i] = rank*100000 + i;

    /* each process opens a separate file called filename.'myrank' */
    tmp = (char *) malloc(len+10);
    strcpy(tmp, filename);
    sprintf(filename, "%s.%d", tmp, rank);

    errcode = MPI_File_open(MPI_COMM_SELF, filename,
		    MPI_MODE_CREATE | MPI_MODE_RDWR, MPI_INFO_NULL, &fh);
    if (errcode != MPI_SUCCESS) {
	    handle_error(errcode, "MPI_File_open");
    }
    MPI_File_set_view(fh, 0, MPI_INT, MPI_INT, "native", MPI_INFO_NULL);
    errcode = MPI_File_iwrite(fh, buf, nints, MPI_INT, &request);
    if (errcode != MPI_SUCCESS) {
	    handle_error(errcode, "MPI_File_iwrite");
    }
#ifdef MPIO_USES_MPI_REQUEST
    MPI_Wait( &request, &status );
#else
    MPIO_Wait(&request, &status);
#endif
    MPI_File_close(&fh);

    /* reopen the file and read the data back */

    for (i=0; i<nints; i++) buf[i] = 0;
    errcode = MPI_File_open(MPI_COMM_SELF, filename,
		    MPI_MODE_CREATE | MPI_MODE_RDWR, MPI_INFO_NULL, &fh);
    if (errcode != MPI_SUCCESS) {
	    handle_error(errcode, "MPI_File_open");
    }

    MPI_File_set_view(fh, 0, MPI_INT, MPI_INT, "native", MPI_INFO_NULL);
    errcode = MPI_File_iread(fh, buf, nints, MPI_INT, &request);
    if (errcode != MPI_SUCCESS) {
	    handle_error(errcode, "MPI_File_open");
    }
#ifdef MPIO_USES_MPI_REQUEST
    MPI_Wait( &request, &status );
#else
    MPIO_Wait(&request, &status);
#endif

    MPI_File_close(&fh);

    /* check if the data read is correct */
    for (i=0; i<nints; i++) {
	if (buf[i] != (rank*100000 + i)) {
	    errs++;
	    fprintf(stderr, "Process %d: error, read %d, should be %d\n", rank, buf[i], rank*100000+i);
	}
    }

    MPI_Allreduce( &errs, &toterrs, 1, MPI_INT, MPI_SUM, MPI_COMM_WORLD );
    if (rank == 0) {
	if( toterrs > 0) {
	    fprintf( stderr, "Found %d errors\n", toterrs );
	}
	else {
	    fprintf( stdout, " No Errors\n" );
	}
    }

    free(buf);
    free(filename);
    free(tmp);

    MPI_Finalize();
    return 0;
}
Exemplo n.º 7
0
int main(int argc, char **argv)
{
    int *buf, i, mynod, nprocs, len, b[3];
    int errs=0, toterrs;
    MPI_Aint d[3];
    MPI_File fh;
    MPI_Status status;
    char *filename;
    MPI_Datatype typevec, newtype, t[3];
    MPIO_Request req;

    MPI_Init(&argc,&argv);
    MPI_Comm_size(MPI_COMM_WORLD, &nprocs);
    MPI_Comm_rank(MPI_COMM_WORLD, &mynod);

    if (nprocs != 2) {
        fprintf(stderr, "Run this program on two processes\n");
        MPI_Abort(MPI_COMM_WORLD, 1);
    }

/* process 0 takes the file name as a command-line argument and 
   broadcasts it to other processes */
    if (!mynod) {
	i = 1;
	while ((i < argc) && strcmp("-fname", *argv)) {
	    i++;
	    argv++;
	}
	if (i >= argc) {
	    fprintf(stderr, "\n*#  Usage: i_noncontig -fname filename\n\n");
	    MPI_Abort(MPI_COMM_WORLD, 1);
	}
	argv++;
	len = strlen(*argv);
	filename = (char *) malloc(len+1);
	strcpy(filename, *argv);
	MPI_Bcast(&len, 1, MPI_INT, 0, MPI_COMM_WORLD);
	MPI_Bcast(filename, len+1, MPI_CHAR, 0, MPI_COMM_WORLD);
    }
    else {
	MPI_Bcast(&len, 1, MPI_INT, 0, MPI_COMM_WORLD);
	filename = (char *) malloc(len+1);
	MPI_Bcast(filename, len+1, MPI_CHAR, 0, MPI_COMM_WORLD);
    }

    buf = (int *) malloc(SIZE*sizeof(int));

    MPI_Type_vector(SIZE/2, 1, 2, MPI_INT, &typevec);

    b[0] = b[1] = b[2] = 1;
    d[0] = 0;
    d[1] = mynod*sizeof(int);
    d[2] = SIZE*sizeof(int);
    t[0] = MPI_LB;
    t[1] = typevec;
    t[2] = MPI_UB;

    MPI_Type_struct(3, b, d, t, &newtype);
    MPI_Type_commit(&newtype);
    MPI_Type_free(&typevec);

    if (!mynod) {
#if VERBOSE
	fprintf(stderr, "\ntesting noncontiguous in memory, noncontiguous in file using nonblocking I/O\n");
#endif
	MPI_File_delete(filename, MPI_INFO_NULL);
    }
    MPI_Barrier(MPI_COMM_WORLD);

    MPI_File_open(MPI_COMM_WORLD, filename, MPI_MODE_CREATE | 
             MPI_MODE_RDWR, MPI_INFO_NULL, &fh);

    MPI_File_set_view(fh, 0, MPI_INT, newtype, "native", MPI_INFO_NULL);

    for (i=0; i<SIZE; i++) buf[i] = i + mynod*SIZE;
    MPI_File_iwrite(fh, buf, 1, newtype, &req);
#ifdef MPIO_USES_MPI_REQUEST
    MPI_Wait(&req, &status);
#else
    MPIO_Wait(&req, &status);
#endif

    MPI_Barrier(MPI_COMM_WORLD);

    for (i=0; i<SIZE; i++) buf[i] = -1;

    MPI_File_iread_at(fh, 0, buf, 1, newtype, &req);
#ifdef MPIO_USES_MPI_REQUEST
    MPI_Wait(&req, &status);
#else
    MPIO_Wait(&req, &status);
#endif

    for (i=0; i<SIZE; i++) {
	if (!mynod) {
	    if ((i%2) && (buf[i] != -1)) {
		errs++;
		fprintf(stderr, "Process %d: buf %d is %d, should be -1\n", 
			mynod, i, buf[i]);
	    }
	    if (!(i%2) && (buf[i] != i)) {
		errs++;
		fprintf(stderr, "Process %d: buf %d is %d, should be %d\n", 
			mynod, i, buf[i], i);
	    }
	}
	else {
	    if ((i%2) && (buf[i] != i + mynod*SIZE)) {
		errs++;
		fprintf(stderr, "Process %d: buf %d is %d, should be %d\n", 
			mynod, i, buf[i], i + mynod*SIZE);
	    }
	    if (!(i%2) && (buf[i] != -1)) {
		errs++;
		fprintf(stderr, "Process %d: buf %d is %d, should be -1\n", 
			mynod, i, buf[i]);
	    }
	}
    }

    MPI_File_close(&fh);

    MPI_Barrier(MPI_COMM_WORLD);

    if (!mynod) {
#if VERBOSE
	fprintf(stderr, "\ntesting noncontiguous in memory, contiguous in file using nonblocking I/O\n");
#endif
	MPI_File_delete(filename, MPI_INFO_NULL);
    }
    MPI_Barrier(MPI_COMM_WORLD);

    MPI_File_open(MPI_COMM_WORLD, filename, MPI_MODE_CREATE | 
             MPI_MODE_RDWR, MPI_INFO_NULL, &fh);

    for (i=0; i<SIZE; i++) buf[i] = i + mynod*SIZE;
    MPI_File_iwrite_at(fh, mynod*(SIZE/2)*sizeof(int), buf, 1, newtype, &req);
#ifdef MPIO_USES_MPI_REQUEST
    MPI_Wait(&req, &status);
#else
    MPIO_Wait(&req, &status);
#endif

    MPI_Barrier(MPI_COMM_WORLD);

    for (i=0; i<SIZE; i++) buf[i] = -1;

    MPI_File_iread_at(fh, mynod*(SIZE/2)*sizeof(int), buf, 1, newtype, &req);
#ifdef MPIO_USES_MPI_REQUEST
    MPI_Wait(&req, &status);
#else
    MPIO_Wait(&req, &status);
#endif

    for (i=0; i<SIZE; i++) {
	if (!mynod) {
	    if ((i%2) && (buf[i] != -1)) {
		errs++;
		fprintf(stderr, "Process %d: buf %d is %d, should be -1\n", 
			mynod, i, buf[i]);
	    }
	    if (!(i%2) && (buf[i] != i)) {
		errs++;
		fprintf(stderr, "Process %d: buf %d is %d, should be %d\n",
			mynod, i, buf[i], i);
	    }
	}
	else {
	    if ((i%2) && (buf[i] != i + mynod*SIZE)) {
		errs++;
		fprintf(stderr, "Process %d: buf %d is %d, should be %d\n", 
			mynod, i, buf[i], i + mynod*SIZE);
	    }
	    if (!(i%2) && (buf[i] != -1)) {
		errs++;
		fprintf(stderr, "Process %d: buf %d is %d, should be -1\n", 
			mynod, i, buf[i]);
	    }
	}
    }

    MPI_File_close(&fh);

    MPI_Barrier(MPI_COMM_WORLD);

    if (!mynod) {
#if VERBOSE
	fprintf(stderr, "\ntesting contiguous in memory, noncontiguous in file using nonblocking I/O\n");
#endif
	MPI_File_delete(filename, MPI_INFO_NULL);
    }
    MPI_Barrier(MPI_COMM_WORLD);

    MPI_File_open(MPI_COMM_WORLD, filename, MPI_MODE_CREATE | 
             MPI_MODE_RDWR, MPI_INFO_NULL, &fh);

    MPI_File_set_view(fh, 0, MPI_INT, newtype, "native", MPI_INFO_NULL);

    for (i=0; i<SIZE; i++) buf[i] = i + mynod*SIZE;
    MPI_File_iwrite(fh, buf, SIZE, MPI_INT, &req);
#ifdef MPIO_USES_MPI_REQUEST
    MPI_Wait(&req, &status);
#else
    MPIO_Wait(&req, &status);
#endif

    MPI_Barrier(MPI_COMM_WORLD);

    for (i=0; i<SIZE; i++) buf[i] = -1;

    MPI_File_iread_at(fh, 0, buf, SIZE, MPI_INT, &req);
#ifdef MPIO_USES_MPI_REQUEST
    MPI_Wait(&req, &status);
#else
    MPIO_Wait(&req, &status);
#endif

    for (i=0; i<SIZE; i++) {
	if (!mynod) {
	    if (buf[i] != i) {
		errs++;
		fprintf(stderr, "Process %d: buf %d is %d, should be %d\n", 
			mynod, i, buf[i], i);
	    }
	}
	else {
	    if (buf[i] != i + mynod*SIZE) {
		errs++;
		fprintf(stderr, "Process %d: buf %d is %d, should be %d\n", 
			mynod, i, buf[i], i + mynod*SIZE);
	    }
	}
    }

    MPI_File_close(&fh);

    MPI_Allreduce( &errs, &toterrs, 1, MPI_INT, MPI_SUM, MPI_COMM_WORLD );
    if (mynod == 0) {
	if( toterrs > 0) {
	    fprintf( stderr, "Found %d errors\n", toterrs );
	}
	else {
	    fprintf( stdout, " No Errors\n" );
	}
    }
    MPI_Type_free(&newtype);
    free(buf);
    free(filename);
    MPI_Finalize();
    return 0;
}