/* pmm - parallel matrix multiplication "double diffusion" */
-/* Copyright (c) 2006, 2007, 2008, 2009, 2010, 2011. The SimGrid Team.
+/* Copyright (c) 2006-2014. 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 "msg/msg.h"
#include "xbt/matrix.h"
#include "xbt/log.h"
/* This example should always be executed using a deployment of
* GRID_SIZE * GRID_SIZE nodes. */
#define GRID_SIZE 3 /* Modify to adjust the grid's size */
-#define NODE_MATRIX_SIZE 300 /* Ammount of work done by each node*/
+#define NODE_MATRIX_SIZE 300 /* Amount of work done by each node*/
#define GRID_NUM_NODES GRID_SIZE * GRID_SIZE
#define MATRIX_SIZE NODE_MATRIX_SIZE * GRID_SIZE
int k, myid;
char my_mbox[MAILBOX_NAME_SIZE];
node_job_t myjob, jobs[GRID_NUM_NODES];
- xbt_matrix_t A, B, C = NULL, sA, sB, sC;
+ xbt_matrix_t A, B, C, sA, sB, sC;
result_t result;
xbt_assert(argc != 1, "Wrong number of arguments for this node");
broadcast_jobs(jobs + 1);
}else{
+ A = B = C = NULL; /* Avoid warning at compilation */
myjob = wait_job(myid);
}
//xbt_matrix_dump(C, "C:res", 0, xbt_matrix_dump_display_double);
+ xbt_matrix_free(A);
+ xbt_matrix_free(B);
+ xbt_matrix_free(C);
+
/* The rest: return the result to node 0 */
}else{
msg_task_t task;
result->sC =
xbt_matrix_new_sub(sC, NODE_MATRIX_SIZE, NODE_MATRIX_SIZE, 0, 0, NULL);
task = MSG_task_create("result",100,100,result);
- MSG_task_dsend(task, "0", (void_f_pvoid_t) MSG_task_destroy);
+ MSG_task_send(task, "0");
}
/* Clean up and finish*/
+ xbt_matrix_free(sC);
xbt_matrix_free(myjob->A);
xbt_matrix_free(myjob->B);
xbt_free(myjob);
}
MSG_comm_waitall(comms, GRID_NUM_NODES-1, -1);
+ for (node = 1; node < GRID_NUM_NODES; node++)
+ MSG_comm_destroy(comms[node - 1]);
}
static node_job_t wait_job(int selfid)
msg_task_t task = NULL;
char self_mbox[MAILBOX_NAME_SIZE];
node_job_t job;
+ msg_error_t err;
snprintf(self_mbox, MAILBOX_NAME_SIZE - 1, "%d", selfid);
- MSG_task_receive(&task, self_mbox);
+ err = MSG_task_receive(&task, self_mbox);
+ if (err != MSG_OK)
+ xbt_die("Error while receiving from %s (%d)", self_mbox, (int)err);
job = (node_job_t)MSG_task_get_data(task);
MSG_task_destroy(task);
XBT_VERB("Got Job (%d,%d)", job->row, job->col);
{
msg_task_t task = NULL;
char node_mbox[MAILBOX_NAME_SIZE];
+ msg_error_t err;
XBT_VERB("Get sub-matrix");
snprintf(node_mbox, MAILBOX_NAME_SIZE - 1, "%d", selfid);
- MSG_task_receive(&task, node_mbox);
+ err = MSG_task_receive(&task, node_mbox);
+ if (err != MSG_OK)
+ xbt_die("Error while receiving from %s (%d)", node_mbox, (int)err);
*sM = (xbt_matrix_t)MSG_task_get_data(task);
MSG_task_destroy(task);
}
int main(int argc, char *argv[])
{
#ifdef BENCH_THIS_CODE
- xbt_os_timer_t timer = xbt_os_timer_new();
+ xbt_os_cputimer_t timer = xbt_os_timer_new();
#endif
MSG_init(&argc, argv);
MSG_launch_application(application_file);
#ifdef BENCH_THIS_CODE
- xbt_os_timer_start(timer);
+ xbt_os_cputimer_start(timer);
#endif
msg_error_t res = MSG_main();
#ifdef BENCH_THIS_CODE
- xbt_os_timer_stop(timer);
+ xbt_os_cputimer_stop(timer);
#endif
XBT_CRITICAL("Simulated time: %g", MSG_get_clock());
}
MSG_comm_waitall(comms, GRID_NUM_NODES - 1, -1);
+ for (node = 1; node < GRID_NUM_NODES; node++)
+ MSG_comm_destroy(comms[node - 1]);
/* Reconstruct the result matrix */
for (node = 1; node < GRID_NUM_NODES; node++){