MOAB: Mesh Oriented datABase
(version 5.4.1)
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#include "moab_mpi.h"
#include "moab/Core.hpp"
#include <sstream>
#include <iostream>
#include <cstdlib>
#include <unistd.h>
Go to the source code of this file.
Functions | |
void | error (const char *argv0) |
void | help (const char *argv0) |
int | main (int argc, char *argv[]) |
Variables | |
const char | usage [] = "[-b|-d|-f] [-P <rank>] [-p <name>] [-R] [-g <level>] [-O <option>] <filename>" |
const char | DEFAULT_PARTITION_TAG [] = "PARALLEL_PARTITION" |
void error | ( | const char * | argv0 | ) |
Definition at line 12 of file parread.cpp.
References usage.
void help | ( | const char * | argv0 | ) |
Definition at line 18 of file parread.cpp.
References DEFAULT_PARTITION_TAG, and usage.
Referenced by ProgOptions::addOpt(), ProgOptions::addRequiredArg(), main(), and usage().
{ std::cout << argv0 << " " << usage << std::endl << "-P <rank> Specified processor will wait for debugger to attach." << std::endl << "-p <name> Tag identifying partition sets (default: \"" << DEFAULT_PARTITION_TAG << "\")" << std::endl << "-a Assign partitions to processes by matching part number to rank" << std::endl << "-R Do not resolve shared entities" << std::endl << "-b Use broadcast & delete read method" << std::endl << "-d Use read & delete method" << std::endl << "-f Use true parallel read (default)" << std::endl << "-g Set debug output level" << std::endl; exit( 0 ); }
int main | ( | int | argc, |
char * | argv[] | ||
) |
Definition at line 32 of file parread.cpp.
References DEFAULT_PARTITION_TAG, moab::error(), ErrorCode, filename, moab::Interface::get_error_string(), moab::Interface::get_last_error(), help(), moab::Interface::load_file(), mb, MB_SUCCESS, MPI_COMM_WORLD, and rank.
{ MPI_Init( &argc, &argv ); const char BCAST_MODE[] = "BCAST_DELETE"; const char DELETE_MODE[] = "READ_DELETE"; const char PART_MODE[] = "READ_PART"; const char* read_mode = PART_MODE; const char* partition_tag_name = DEFAULT_PARTITION_TAG; bool assign_by_id = false; bool resolve_shared = true; int debug_level = 0; int pause_rank = -1; const char* filename = 0; std::ostringstream options; options << ";"; int rank; MPI_Comm_rank( MPI_COMM_WORLD, &rank ); int expect_tag = 0; int expect_level = 0; int expect_opt = 0; int expect_rank = 0; bool no_more_flags = false; for( int i = 1; i < argc; ++i ) { int arg_pos = i; if( expect_tag == i ) { partition_tag_name = argv[i]; expect_tag = 0; } else if( expect_level == i ) { char* endptr; debug_level = (int)strtol( argv[i], &endptr, 0 ); if( *endptr || endptr == argv[i] || debug_level < 0 ) { std::cerr << "Expected positive integer value following '-g' flag" << std::endl; error( argv[0] ); } expect_level = 0; } else if( expect_opt == i ) { options << ";" << argv[i]; expect_opt = 0; } else if( expect_rank == i ) { char* endptr; pause_rank = (int)strtol( argv[i], &endptr, 0 ); if( *endptr || endptr == argv[i] || pause_rank < 0 ) { std::cerr << "Expected positive integer value following '-P' flag" << std::endl; error( argv[0] ); } expect_rank = 0; } else if( argv[i][0] == '-' && !no_more_flags ) { for( int j = 1; argv[i][j]; ++j ) { switch( argv[i][j] ) { case '-': no_more_flags = true; break; case 'P': expect_rank = ++arg_pos; break; case 'p': expect_tag = ++arg_pos; break; case 'a': assign_by_id = true; break; case 'R': resolve_shared = false; break; case 'b': read_mode = BCAST_MODE; break; case 'd': read_mode = DELETE_MODE; break; case 'f': read_mode = PART_MODE; break; case 'g': expect_level = ++arg_pos; break; case 'O': expect_opt = ++arg_pos; break; case 'h': help( argv[0] ); break; default: std::cerr << "Unknown flag: -" << argv[i][j] << std::endl; error( argv[0] ); } } } else if( filename ) { std::cerr << "Unexpected argument: \"" << argv[i] << "\"" << std::endl; error( argv[0] ); } else { filename = argv[i]; } } if( expect_tag ) { std::cerr << "Expected value following -p flag" << std::endl; error( argv[0] ); } if( expect_level ) { std::cerr << "Expected value following -g flag" << std::endl; error( argv[0] ); } if( expect_opt ) { std::cerr << "Expected value following -O flag" << std::endl; error( argv[0] ); } if( expect_rank ) { std::cerr << "Expected rank following -P flag" << std::endl; error( argv[0] ); } if( !filename ) { std::cerr << "No file name specified" << std::endl; error( argv[0] ); } options << ";PARTITION=" << partition_tag_name << ";PARALLEL=" << read_mode; if( resolve_shared ) options << ";PARALLEL_RESOLVE_SHARED_ENTS"; if( assign_by_id ) options << ";PARTITION_BY_RANK"; if( debug_level ) options << ";DEBUG_IO=" << debug_level; moab::Core core; moab::Interface& mb = core; if( pause_rank >= 0 ) { if( pause_rank == rank ) { std::cout << "Process " << rank << " with PID " << getpid() << " waiting for debugger" << std::endl << "Set local variable 'do_wait' to zero to continue" << std::endl; volatile int do_wait = 1; while( do_wait ) { sleep( 1 ); } } MPI_Barrier( MPI_COMM_WORLD ); } std::string opts = options.str(); if( rank == 0 ) std::cout << "Reading \"" << filename << "\" with options=\"" << opts << "\"." << std::endl; double init_time = MPI_Wtime(); moab::ErrorCode rval = mb.load_file( filename, 0, opts.c_str() ); double fini_time = MPI_Wtime(); long send_data[2] = { (long)( 100 * ( fini_time - init_time ) ), rval }; long recv_data[2]; MPI_Allreduce( send_data, recv_data, 2, MPI_LONG, MPI_MAX, MPI_COMM_WORLD ); double time = recv_data[0] / 100.0; if( moab::MB_SUCCESS != rval ) { std::string estr = mb.get_error_string( rval ); std::string msg; mb.get_last_error( msg ); std::cout << "Read failed for proccess " << rank << " with error code " << rval << " (" << estr << ")" << std::endl; if( !msg.empty() ) std::cerr << '"' << msg << '"' << std::endl; } if( rank == 0 ) { if( recv_data[1] == moab::MB_SUCCESS ) std::cout << "Success!" << std::endl; std::cout << "Read returned in " << time << " seconds" << std::endl; } MPI_Finalize(); return ( moab::MB_SUCCESS != rval ); }
const char DEFAULT_PARTITION_TAG[] = "PARALLEL_PARTITION" |
Definition at line 10 of file parread.cpp.
const char usage[] = "[-b|-d|-f] [-P <rank>] [-p <name>] [-R] [-g <level>] [-O <option>] <filename>" |
Definition at line 8 of file parread.cpp.
Referenced by about(), error(), get_double_option(), get_int_option(), get_option(), help(), smoab::detail::UsageTable::incrementUsage(), main(), parse_order(), parse_percent(), parse_positive_int(), parse_ray(), parsedims(), parsedouble(), and parseint().