+++ /dev/null
-/* Copyright (c) 2010-2015. The SimGrid Team.
- * All rights reserved. */
-
-/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
-
-#include <stdio.h>
-#include "simgrid/msg.h" /* Yeah! If you want to use msg, you need to include simgrid/msg.h */
-#include "xbt/sysdep.h" /* calloc, printf */
-#include "mpi.h"
-/* Create a log channel to have nice outputs. */
-#include "xbt/log.h"
-#include "xbt/asserts.h"
-XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test,
- "Messages specific for this msg example");
-
-int master(int argc, char *argv[]);
-int slave(int argc, char *argv[]);
-int master_mpi(int argc, char *argv[]);
-int alltoall_mpi(int argc, char *argv[]);
-
-/** sender function */
-int master(int argc, char *argv[])
-{
- long number_of_tasks = xbt_str_parse_int(argv[1], "Invalid amount of tasks: %s");
- double task_comp_size = xbt_str_parse_double(argv[2], "Invalid computational size: %s");
- double task_comm_size = xbt_str_parse_double(argv[3], "Invalid communication size: %s");
- long slaves_count = xbt_str_parse_int(argv[4], "Invalid amount of slaves: %s");
-
- int i;
-
- XBT_INFO("Got %ld slaves and %ld tasks to process", slaves_count, number_of_tasks);
-
- for (i = 0; i < number_of_tasks; i++) {
- char mailbox[256];
- char sprintf_buffer[256];
- msg_task_t task = NULL;
-
- sprintf(mailbox, "slave-%ld", i % slaves_count);
- sprintf(sprintf_buffer, "Task_%d", i);
- task =
- MSG_task_create(sprintf_buffer, task_comp_size, task_comm_size,
- NULL);
- if (number_of_tasks < 10000 || i % 10000 == 0)
- XBT_INFO("Sending \"%s\" (of %ld) to mailbox \"%s\"", task->name,
- number_of_tasks, mailbox);
-
- MSG_task_send(task, mailbox);
- }
-
- XBT_INFO
- ("All tasks have been dispatched. Let's tell everybody the computation is over.");
- for (i = 0; i < slaves_count; i++) {
- char mailbox[80];
-
- sprintf(mailbox, "slave-%ld", i % slaves_count);
- msg_task_t finalize = MSG_task_create("finalize", 0, 0, 0);
- MSG_task_send(finalize, mailbox);
- }
-
-// XBT_INFO("Goodbye now!");
- return 0;
-} /* end_of_master */
-
-
-int master_mpi(int argc, char *argv[])
-{
- MPI_Init(&argc, &argv);
-
- int rank;
- MPI_Comm_rank(MPI_COMM_WORLD, &rank);
- XBT_INFO("here for rank %d", rank);
- int test[1000]={rank};
- if(rank==0)
- MPI_Send(&test, 1000,
- MPI_INT, 1, 1, MPI_COMM_WORLD);
- else
- MPI_Recv(&test, 1000,
- MPI_INT, 0, 1, MPI_COMM_WORLD, MPI_STATUSES_IGNORE);
-
- XBT_INFO("After comm %d", rank);
- MPI_Finalize();
-
- XBT_INFO("After finalize %d %d", rank, test[0]);
- return 0;
-} /* end_of_master */
-
-
-
-int alltoall_mpi(int argc, char *argv[])
-{
- MPI_Init(&argc, &argv);
-
- int rank, size;
- MPI_Comm_rank(MPI_COMM_WORLD, &rank);
- MPI_Comm_size(MPI_COMM_WORLD, &size);
- XBT_INFO("alltoall for rank %d", rank);
- int* out=malloc(1000*size*sizeof(int));
- int* in=malloc(1000*size*sizeof(int));
- MPI_Alltoall(out, 1000, MPI_INT,in, 1000, MPI_INT, MPI_COMM_WORLD);
-
- XBT_INFO("after alltoall %d", rank);
- free(out);
- free(in);
- MPI_Finalize();
- return 0;
-} /* end_of_master */
-
-
-/** Receiver function */
-int slave(int argc, char *argv[])
-{
- msg_task_t task = NULL;
- XBT_ATTRIB_UNUSED int res;
- int id = -1;
- char mailbox[80];
- XBT_ATTRIB_UNUSED int read;
-
- read = sscanf(argv[1], "%d", &id);
- xbt_assert(read, "Invalid argument %s\n", argv[1]);
-
- sprintf(mailbox, "slave-%d", id);
-
- while (1) {
- res = MSG_task_receive(&(task), mailbox);
- xbt_assert(res == MSG_OK, "MSG_task_get failed");
-
-// XBT_INFO("Received \"%s\"", MSG_task_get_name(task));
- if (!strcmp(MSG_task_get_name(task), "finalize")) {
- MSG_task_destroy(task);
- break;
- }
-// XBT_INFO("Processing \"%s\"", MSG_task_get_name(task));
- MSG_task_execute(task);
-// XBT_INFO("\"%s\" done", MSG_task_get_name(task));
- MSG_task_destroy(task);
- task = NULL;
- }
- XBT_INFO("I'm done. See you!");
-
- return 0;
-} /* end_of_slave */
-
-/** Main function */
-int main(int argc, char *argv[])
-{
- msg_error_t res;
- const char *platform_file;
- const char *application_file;
-
- MSG_init(&argc, argv);
-
- if (argc < 3) {
- printf("Usage: %s platform_file deployment_file\n", argv[0]);
- printf("example: %s msg_platform.xml msg_deployment.xml\n", argv[0]);
- exit(1);
- }
- platform_file = argv[1];
- application_file = argv[2];
-
- { /* Simulation setting */
- MSG_create_environment(platform_file);
- }
- { /* Application deployment */
- MSG_function_register("master", master);
- MSG_function_register("slave", slave);
- // launch two MPI applications as well, one using master_mpi function as main on 2 nodes
- SMPI_app_instance_register("master_mpi", master_mpi,2);
- // the second performing an alltoall on 4 nodes
- SMPI_app_instance_register("alltoall_mpi", alltoall_mpi,4);
- MSG_launch_application(application_file);
- SMPI_init();
- }
- res = MSG_main();
-
- XBT_INFO("Simulation time %g", MSG_get_clock());
-
-
- SMPI_finalize();
- if (res == MSG_OK)
- return 0;
- else
- return 1;
-} /* end_of_main */
