f5cc86fa07
that this ORTE job is the only one on the nodes involved, and if told what processors to assign the processes to, will bind MPI processes to specific processors. - Convert #include's to new style - Convert some <tab>'s to spaces This commit was SVN r6904.
209 строки
8.1 KiB
C
209 строки
8.1 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University.
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* All rights reserved.
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* Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
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* All rights reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#include "ompi_config.h"
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#include "ompi/include/constants.h"
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#include "opal/util/output.h"
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#include "opal/util/show_help.h"
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#include "opal/mca/base/mca_base_param.h"
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#include "ompi/runtime/mpiruntime.h"
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#include "ompi/runtime/params.h"
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#include <time.h>
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/*
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* Global variables
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*
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* As a deviation from the norm, ompi_mpi_param_check is also
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* extern'ed in src/mpi/interface/c/bindings.h because it is already
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* included in all MPI function imlementation files
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*
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* The values below are the default values.
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*/
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bool ompi_mpi_param_check = true;
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bool ompi_debug_show_handle_leaks = false;
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bool ompi_debug_no_free_handles = false;
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bool ompi_mpi_show_mca_params = false;
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char *ompi_mpi_show_mca_params_file = NULL;
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bool ompi_mpi_paffinity_alone = false;
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int ompi_mpi_register_params(void)
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{
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int value;
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/* Whether we want MPI API function parameter checking or not */
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mca_base_param_reg_int_name("mpi", "param_check",
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"Whether you want MPI API parameters checked at run-time or not. Possible values are 0 (no checking) and 1 (perform checking at run-time)",
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false, false, MPI_PARAM_CHECK, &value);
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ompi_mpi_param_check = (bool) value;
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if (ompi_mpi_param_check) {
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value = 0;
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if (MPI_PARAM_CHECK) {
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value = 1;
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}
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if (0 == value) {
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opal_show_help("help-ompi-runtime.txt",
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"mpi-param-check-enabled-but-compiled-out",
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true);
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ompi_mpi_param_check = false;
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}
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}
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/*
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* This string is going to be used in opal/util/stacktrace.c
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*/
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mca_base_param_reg_string_name("mpi", "signal",
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"If a signal is received, display the stack trace frame",
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false, false, NULL, NULL);
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/*
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* opal_progress: decide whether to yield and the event library
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* tick rate
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*/
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/* JMS: Need ORTE data here -- set this to 0 when
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exactly/under-subscribed, or 1 when oversubscribed */
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mca_base_param_reg_int_name("mpi", "yield_when_idle",
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"Yield the processor when waiting for MPI communication (for MPI processes, will default to 1 when oversubscribing nodes)",
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false, false, 0, NULL);
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mca_base_param_reg_int_name("mpi", "event_tick_rate",
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"How often to progress TCP communications (0 = never, all positive integers [N] indicate a fraction of progression time that is devoted to TCP progression [i.e., 1/N])",
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false, false, -1, NULL);
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/* Whether or not to show MPI handle leaks */
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mca_base_param_reg_int_name("mpi", "show_handle_leaks",
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"Whether MPI_FINALIZE shows all MPI handles that were not freed or not",
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false, false,
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(int) ompi_debug_show_handle_leaks, &value);
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ompi_debug_show_handle_leaks = (bool) value;
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/* Whether or not to free MPI handles. Useless without run-time
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param checking, so implicitly set that to true if we don't want
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to free the handles. */
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mca_base_param_reg_int_name("mpi", "no_free_handles",
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"Whether to actually free MPI objects when their handles are freed",
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false, false,
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(int) ompi_debug_no_free_handles, &value);
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ompi_debug_no_free_handles = (bool) value;
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if (ompi_debug_no_free_handles) {
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ompi_mpi_param_check = true;
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value = 0;
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if (MPI_PARAM_CHECK) {
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value = 1;
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}
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if (0 == value) {
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opal_output(0, "WARNING: MCA parameter mpi_no_free_handles set to true, but MPI");
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opal_output(0, "WARNING: parameter checking has been compiled out of Open MPI.");
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opal_output(0, "WARNING: mpi_no_free_handles is therefore only partially effective!");
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}
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}
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/* Whether or not to print all MCA parameters in MPI_INIT */
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mca_base_param_reg_int_name("mpi", "show_mca_params",
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"Whether to show all MCA parameter value during MPI_INIT or not (good for reproducability of MPI jobs)",
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false, false,
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(int) ompi_mpi_show_mca_params, &value);
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ompi_mpi_show_mca_params = (bool) value;
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/* File to use when dumping the parameters */
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mca_base_param_reg_string_name("mpi", "show_mca_params_file",
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"If mpi_show_mca_params is true, setting this string to a valid filename tells Open MPI to dump all the MCA parameter values into a file suitable for reading via the mca_param_files parameter (good for reproducability of MPI jobs)",
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false, false,
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"", &ompi_mpi_show_mca_params_file);
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/* User-level process pinning controls */
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mca_base_param_reg_int_name("mpi", "paffinity_alone",
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"If nonzero, assume that this job is the only (set of) process(es) running on each node and bind processes to processors, starting with processor ID 0",
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false, false,
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(int) ompi_mpi_paffinity_alone, &value);
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ompi_mpi_paffinity_alone = (bool) value;
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mca_base_param_reg_int_name("mpi", "paffinity_processor",
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"If set, pin this process to the processor number indicated by the value",
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true, false,
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-1, NULL);
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/* All done */
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return OMPI_SUCCESS;
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}
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int ompi_show_all_mca_params(int32_t rank, int requested, char *nodename) {
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opal_list_t *info;
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opal_list_item_t *i;
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mca_base_param_info_t *item;
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char *value_string;
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int value_int;
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FILE *fp = NULL;
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time_t timestamp;
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if (rank != 0) {
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return OMPI_SUCCESS;
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}
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timestamp = time(NULL);
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/* Open the file if one is specified */
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if (0 != strlen(ompi_mpi_show_mca_params_file)) {
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if ( NULL == (fp = fopen(ompi_mpi_show_mca_params_file, "w")) ) {
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opal_output(0, "Unable to open file <%s> to write MCA parameters", ompi_mpi_show_mca_params_file);
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return OMPI_ERR_FILE_OPEN_FAILURE;
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}
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fprintf(fp, "#\n");
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fprintf(fp, "# This file was automatically generated on %s", ctime(×tamp));
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fprintf(fp, "# by MPI_COMM_WORLD rank %d (out of a total of %d) on %s\n", rank, requested, nodename );
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fprintf(fp, "#\n");
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}
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mca_base_param_dump(&info, false);
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for (i = opal_list_get_first(info);
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i != opal_list_get_last(info);
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i = opal_list_get_next(i)) {
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item = (mca_base_param_info_t*) i;
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/* Get the parameter name, and convert it to a printable string */
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if (MCA_BASE_PARAM_TYPE_STRING == item->mbpp_type) {
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mca_base_param_lookup_string(item->mbpp_index, &value_string);
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if (NULL == value_string) {
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value_string = strdup("");
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}
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} else {
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mca_base_param_lookup_int(item->mbpp_index, &value_int);
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asprintf(&value_string, "%d", value_int);
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}
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/* Print the parameter */
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if (0 != strlen(ompi_mpi_show_mca_params_file)) {
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fprintf(fp, "%s=%s\n", item->mbpp_full_name, value_string);
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} else {
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opal_output(0, "%s=%s", item->mbpp_full_name, value_string);
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}
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free(value_string);
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}
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/* Close file, cleanup allocated memory*/
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if (0 != strlen(ompi_mpi_show_mca_params_file)) {
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fclose(fp);
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}
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mca_base_param_dump_release(info);
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return OMPI_SUCCESS;
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}
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