** This is part of the CTSim program
** Copyright (C) 1983-2000 Kevin Rosenberg
**
-** $Id: phm2rs.cpp,v 1.3 2000/06/08 16:43:10 kevin Exp $
+** $Id: phm2rs.cpp,v 1.4 2000/06/09 01:35:33 kevin Exp $
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License (version 2) as
void
phm2rs_usage (const char *program)
{
-#ifdef HAVE_MPI
-if (mpi_ct.my_rank == 0)
- {
-#endif
fprintf(stdout,"usage: %s outfile ndet nview [--phantom phantom-name] [--phmfile filename] [OPTIONS]\n", kbasename(program));
fprintf(stdout,"Calculate raysums (projections) through phantom object, either\n");
fprintf(stdout,"a predefined --phantom or a --phmfile\n");
fprintf(stdout," --debug Debug mode\n");
fprintf(stdout," --version Print version\n");
fprintf(stdout," --help Print this help message\n");
-#ifdef HAVE_MPI
- }
- mpi_ct.comm.Abort(1);
-#endif
}
#ifdef HAVE_MPI
-void mpi_gather_rs (RAYSUM *rs_global, RAYSUM *rs_local, const int opt_debug);
+void mpi_gather_rs (MPIWorld& mpiWorld, RAYSUM *rs_global, RAYSUM *rs_local, const int opt_debug);
#endif
int
-phm2rs_main (const int argc, char *const argv[])
+phm2rs_main (int argc, char* argv[])
{
DETECTOR *det;
PHANTOM *phm = NULL;
double opt_rotangle = 1;
double time_start = 0, time_end = 0;
-#ifndef HAVE_MPI
- time_start = td_current_sec();
-#else
- RAYSUM *rs_local;
- int mpi_argc = argc;
- char **mpi_argv = (char **) argv;
+#ifdef HAVE_MPI
double mpi_t1 = 0, mpi_t2 = 0, mpi_t, mpi_t_g;
-
- MPI::Init (mpi_argc, mpi_argv);
- mpi_ct.comm = MPI::COMM_WORLD.Dup ();
- mpi_ct.nproc = mpi_ct.comm.Get_size();
- mpi_ct.my_rank = mpi_ct.comm.Get_rank();
-
- if (mpi_ct.nproc > CT_MPI_MAX_PROCESS) {
- sys_error(ERR_FATAL, "Number of mpi processes (%d) exceeds max processes (%d)",
- mpi_ct.nproc, CT_MPI_MAX_PROCESS);
- }
+ RAYSUM *rs_local;
+ MPIWorld mpiWorld (argc, argv);
time_start = MPI::Wtime();
+#else
+ time_start = td_current_sec();
#endif
+
#ifdef HAVE_MPI
- if (mpi_ct.my_rank == 0) {
+ if (mpiWorld.getRank() == 0) {
#endif
strcpy(opt_desc, "");
strcpy(opt_phmfilename, "");
break;
case O_PHMFILE:
#ifdef HAVE_MPI
- if (mpi_ct.my_rank == 0)
+ if (mpiWorld.getRank() == 0)
fprintf(stderr, "Can not read phantom from file in MPI mode\n");
return (1);
#endif
#endif
#ifdef HAVE_MPI
- mpi_ct.comm.Barrier ();
- mpi_ct.comm.Bcast (&opt_rotangle, 1, MPI::DOUBLE, 0);
- mpi_ct.comm.Bcast (&opt_nview, 1, MPI::INT, 0);
- mpi_ct.comm.Bcast (&opt_ndet, 1, MPI::INT, 0);
- mpi_ct.comm.Bcast (&opt_nray, 1, MPI::INT, 0);
- mpi_ct.comm.Bcast (&opt_phmnum, 1, MPI::INT, 0);
- mpi_ct.comm.Bcast (&opt_verbose, 1, MPI::INT, 0);
- mpi_ct.comm.Bcast (&opt_debug, 1, MPI::INT, 0);
- mpi_ct.comm.Bcast (&opt_trace, 1, MPI::INT, 0);
-
- if (mpi_ct.my_rank > 0 && opt_phmnum >= 0)
+ mpiWorld.getComm().Barrier ();
+ mpiWorld.getComm().Bcast (&opt_rotangle, 1, MPI::DOUBLE, 0);
+ mpiWorld.getComm().Bcast (&opt_nview, 1, MPI::INT, 0);
+ mpiWorld.getComm().Bcast (&opt_ndet, 1, MPI::INT, 0);
+ mpiWorld.getComm().Bcast (&opt_nray, 1, MPI::INT, 0);
+ mpiWorld.getComm().Bcast (&opt_phmnum, 1, MPI::INT, 0);
+ mpiWorld.getComm().Bcast (&opt_verbose, 1, MPI::INT, 0);
+ mpiWorld.getComm().Bcast (&opt_debug, 1, MPI::INT, 0);
+ mpiWorld.getComm().Bcast (&opt_trace, 1, MPI::INT, 0);
+
+ if (mpiWorld.getRank() > 0 && opt_phmnum >= 0)
phm = phm_create (opt_phmnum);
#endif
det = detector_create (phm, DETECTOR_PARALLEL, opt_ndet, opt_nview, opt_nray, opt_rotangle);
#ifdef HAVE_MPI
- mpi_ct_calc_work_units(opt_nview);
- if (mpi_ct.my_rank == 0) {
+ mpiWorld.setTotalWorkUnits (opt_nview);
+
+ if (mpiWorld.getRank() == 0) {
rs_global = raysum_create_from_det (opt_outfile, det);
raysum_alloc_views(rs_global);
}
rs_local = raysum_create_from_det (NULL, det);
- rs_local->nview = mpi_ct.local_work_units[mpi_ct.my_rank];
+ rs_local->nview = mpiWorld.getMyLocalWorkUnits();
if (opt_debug)
- printf("rs_local->nview = %d (process %d)\n", rs_local->nview, mpi_ct.my_rank);
+ printf("rs_local->nview = %d (process %d)\n", rs_local->nview, mpiWorld.getRank());
if (opt_verbose)
mpi_t1 = MPI::Wtime();
- raysum_collect (rs_local, det, phm, mpi_ct.start_work_unit[mpi_ct.my_rank], opt_trace, FALSE);
+ raysum_collect (rs_local, det, phm, mpiWorld.getMyStartWorkUnit(), opt_trace, FALSE);
if (opt_verbose) {
mpi_t2 = MPI::Wtime();
mpi_t = mpi_t2 - mpi_t1;
- mpi_ct.comm.Reduce(&mpi_t, &mpi_t_g, 1, MPI::DOUBLE, MPI::MAX, 0);
- if (mpi_ct.my_rank == 0)
+ mpiWorld.getComm().Reduce(&mpi_t, &mpi_t_g, 1, MPI::DOUBLE, MPI::MAX, 0);
+ if (mpiWorld.getRank() == 0)
printf("Time to collect rs = %f secs, Max = %f secs\n", mpi_t, mpi_t_g);
}
if (opt_verbose)
mpi_t1 = MPI::Wtime();
- mpi_gather_rs(rs_global, rs_local, opt_debug);
+
+ mpi_gather_rs (mpiWorld, rs_global, rs_local, opt_debug);
+
if (opt_verbose) {
mpi_t2 = MPI::Wtime();
mpi_t = mpi_t2 - mpi_t1;
- mpi_ct.comm.Reduce(&mpi_t, &mpi_t_g, 1, MPI::DOUBLE, MPI::MAX, 0);
- if (mpi_ct.my_rank == 0)
+ mpiWorld.getComm().Reduce(&mpi_t, &mpi_t_g, 1, MPI::DOUBLE, MPI::MAX, 0);
+ if (mpiWorld.getRank() == 0)
printf("Time to gather rs = %f secs, Max = %f secs\n", mpi_t, mpi_t_g);
}
#else
time_end = td_current_sec();
#else
time_end = MPI::Wtime();
- if (mpi_ct.my_rank == 0)
+ if (mpiWorld.getRank() == 0)
#endif
{
rs_global->calctime = time_end - time_start;
}
#ifdef HAVE_MPI
- if (mpi_ct.my_rank == 0)
+ if (mpiWorld.getRank() == 0)
#endif
{
raysum_write (rs_global);
*/
#ifdef HAVE_MPI
-void mpi_gather_rs (RAYSUM *rs_global, RAYSUM *rs_local, const int opt_debug)
+void mpi_gather_rs (MPIWorld& mpiWorld, RAYSUM *rs_global, RAYSUM *rs_local, const int opt_debug)
{
- int iproc;
- int end_work_unit;
- int iw;
-
- end_work_unit = mpi_ct.local_work_units[mpi_ct.my_rank] - 1;
- for (iw = 0; iw <= end_work_unit; iw++) {
- mpi_ct.comm.Send(&rs_local->view[iw]->view_angle, 1, MPI::DOUBLE, 0, 0);
- mpi_ct.comm.Send(&rs_local->view[iw]->ndet, 1, MPI::INT, 0, 0);
- mpi_ct.comm.Send(rs_local->view[iw]->detval, rs_local->ndet, MPI::FLOAT, 0, 0);
+ for (int iw = 0; iw < mpiWorld.getMyLocalWorkUnits(); iw++) {
+ mpiWorld.getComm().Send(&rs_local->view[iw]->view_angle, 1, MPI::DOUBLE, 0, 0);
+ mpiWorld.getComm().Send(&rs_local->view[iw]->ndet, 1, MPI::INT, 0, 0);
+ mpiWorld.getComm().Send(rs_local->view[iw]->detval, rs_local->ndet, MPI::FLOAT, 0, 0);
}
- if (mpi_ct.my_rank == 0) {
- for (iproc = 0; iproc < mpi_ct.nproc; iproc++) {
- end_work_unit = mpi_ct.start_work_unit[iproc]
- + mpi_ct.local_work_units[iproc]
- - 1;
-
- if (opt_debug)
- fprintf(stdout, "Recv rs data from process %d\n", iproc);
-
- for (iw = mpi_ct.start_work_unit[iproc]; iw <= end_work_unit; iw++) {
+ if (mpiWorld.getRank() == 0) {
+ for (int iProc = 0; iProc < mpiWorld.getNumProcessors(); iProc++) {
+ for (int iw = mpiWorld.getStartWorkUnit(iProc); iw <= mpiWorld.getEndWorkUnit(iProc); iw++) {
MPI::Status status;
- mpi_ct.comm.Recv(&rs_global->view[iw]->view_angle, 1, MPI::DOUBLE, iproc, 0, status);
- mpi_ct.comm.Recv(&rs_global->view[iw]->ndet, 1, MPI::INT, iproc, 0, status);
- mpi_ct.comm.Recv(rs_global->view[iw]->detval, rs_global->ndet, MPI::FLOAT, iproc, 0, status);
+ mpiWorld.getComm().Recv(&rs_global->view[iw]->view_angle, 1, MPI::DOUBLE, iProc, 0, status);
+ mpiWorld.getComm().Recv(&rs_global->view[iw]->ndet, 1, MPI::INT, iProc, 0, status);
+ mpiWorld.getComm().Recv(rs_global->view[iw]->detval, rs_global->ndet, MPI::FLOAT, iProc, 0, status);
}
}
}
#ifndef NO_MAIN
int
-main (const int argc, char *const argv[])
+main (int argc, char* argv[])
{
return (phm2rs_main(argc, argv));
}