-/* $Id$ */
/* pmm - parallel matrix multiplication "double diffusion" */
-/* Copyright (c) 2006-2008 The SimGrid team. All rights reserved. */
+/* Copyright (c) 2006, 2007, 2008, 2009, 2010. 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 "xbt/matrix.h"
#include "amok/peermanagement.h"
-#define PROC_MATRIX_SIZE 3
+#define PROC_MATRIX_SIZE 2
#define NEIGHBOR_COUNT PROC_MATRIX_SIZE - 1
#define SLAVE_COUNT (PROC_MATRIX_SIZE*PROC_MATRIX_SIZE)
/* send data between slaves */
gras_msgtype_declare("dataA",
- gras_datadesc_matrix(gras_datadesc_by_name("double"),
- NULL));
+ gras_datadesc_matrix(gras_datadesc_by_name
+ ("double"), NULL));
gras_msgtype_declare("dataB",
- gras_datadesc_matrix(gras_datadesc_by_name("double"),
- NULL));
+ gras_datadesc_matrix(gras_datadesc_by_name
+ ("double"), NULL));
+
+ /* synchronization message */
+ gras_msgtype_declare("pmm_sync", 0);
}
/* Function prototypes */
int remaining_ack;
} master_data_t;
-
int master(int argc, char *argv[])
{
peers = amok_pm_group_new("pmm");
/* friends, we're ready. Come and play */
- INFO0("Wait for peers for 5 sec");
- gras_msg_handleall(5);
- INFO1("Got %ld pals", xbt_dynar_length(peers));
+ INFO0("Wait for peers for 2 sec");
+ gras_msg_handleall(2);
+ do {
+ INFO2("Got only %ld pals (of %d). Wait 2 more seconds",
+ xbt_dynar_length(peers),SLAVE_COUNT);
+ gras_msg_handleall(2);
+ } while (xbt_dynar_length(peers) < SLAVE_COUNT);
+ INFO1("Good. Got %ld pals", xbt_dynar_length(peers));
for (i = 0; i < xbt_dynar_length(peers) && i < SLAVE_COUNT; i++) {
-
xbt_dynar_get_cpy(peers, i, &grid[i]);
socket[i] = gras_socket_client(grid[i]->name, grid[i]->port);
}
submatrix_size * line,
submatrix_size * row, NULL);
assignment.B =
- xbt_matrix_new_sub(B, submatrix_size, submatrix_size,
- submatrix_size * line, submatrix_size * row, NULL);
+ xbt_matrix_new_sub(B, submatrix_size, submatrix_size,
+ submatrix_size * line, submatrix_size * row,
+ NULL);
row++;
if (row >= PROC_MATRIX_SIZE) {
row = 0;
xbt_matrix_free(assignment.B);
}
- /* (have a rest while the slave perform the multiplication) */
+ /* synchronize slaves */
+ for (i = 0; i < PROC_MATRIX_SIZE; i++) {
+ int j;
+ for (j = 0; j < SLAVE_COUNT; j++)
+ gras_msg_wait(600, "pmm_sync", NULL, NULL);
+ for (j = 0; j < SLAVE_COUNT; j++)
+ gras_msg_send(socket[j], "pmm_sync", NULL);
+ }
/* Retrieve the results */
for (i = 0; i < SLAVE_COUNT; i++) {
gras_msg_wait(6000, "result", &from, &result);
- VERB2("%d slaves are done already. Waiting for %d", i + 1, SLAVE_COUNT);
+ VERB2("%d slaves are done already. Waiting for %d", i + 1,
+ SLAVE_COUNT);
xbt_matrix_copy_values(C, result.C, submatrix_size, submatrix_size,
submatrix_size * result.linepos,
submatrix_size * result.rowpos, 0, 0, NULL);
}
/* end of gather */
- if (DATA_MATRIX_SIZE < 30) {
- INFO0("The Result of Multiplication is :");
- xbt_matrix_dump(C, "C:res", 0, xbt_matrix_dump_display_double);
- } else {
- INFO1("Matrix size too big (%d>30) to be displayed here",
- DATA_MATRIX_SIZE);
+ if (xbt_matrix_double_is_seq(C))
+ INFO0("XXXXXXXXXXXXXXXXXXXXXX Ok, the result matches expectations");
+ else {
+ WARN0("the result seems wrong");
+ if (DATA_MATRIX_SIZE < 30) {
+ INFO0("The Result of Multiplication is :");
+ xbt_matrix_dump(C, "C:res", 0, xbt_matrix_dump_display_double);
+ } else {
+ INFO1("Matrix size too big (%d>30) to be displayed here",
+ DATA_MATRIX_SIZE);
+ }
}
amok_pm_group_shutdown("pmm"); /* Ok, we're out of here */
- for (i = 0; i < SLAVE_COUNT; i++) {
+ for (i = 0; i < SLAVE_COUNT; i++)
gras_socket_close(socket[i]);
- }
xbt_matrix_free(A);
xbt_matrix_free(B);
int myline, myrow;
xbt_matrix_t mydataA, mydataB;
xbt_matrix_t bC =
- xbt_matrix_double_new_zeros(submatrix_size, submatrix_size);
+ xbt_matrix_double_new_zeros(submatrix_size, submatrix_size);
result_t result;
mydataA = assignment.A;
mydataB = assignment.B;
- INFO2("Receive my pos (%d,%d) and assignment", myline, myrow);
+ if (gras_if_RL())
+ INFO0("Receive my pos and assignment");
+ else
+ INFO2("Receive my pos (%d,%d) and assignment", myline, myrow);
/* Get my neighborhood from the assignment message (skipping myself) */
for (i = 0; i < PROC_MATRIX_SIZE - 1; i++) {
}
for (step = 0; step < PROC_MATRIX_SIZE; step++) {
+ gras_msg_send(master, "pmm_sync", NULL);
+ gras_msg_wait(600, "pmm_sync", NULL, NULL);
/* a line brodcast */
if (myline == step) {
- INFO2("LINE: step(%d) = Myline(%d). Broadcast my data.", step, myline);
+ VERB2("LINE: step(%d) = Myline(%d). Broadcast my data.", step,
+ myline);
for (l = 0; l < PROC_MATRIX_SIZE - 1; l++) {
- INFO1("LINE: Send to %s", gras_socket_peer_name(socket_row[l]));
+ VERB1("LINE: Send to %s", gras_socket_peer_name(socket_row[l]));
gras_msg_send(socket_row[l], "dataB", &mydataB);
}
CATCH(e) {
RETHROW0("Can't get a data message from line : %s");
}
- INFO3("LINE: step(%d) <> Myline(%d). Receive data from %s", step,
+ VERB3("LINE: step(%d) <> Myline(%d). Receive data from %s", step,
myline, gras_socket_peer_name(from));
}
/* a row brodcast */
if (myrow == step) {
- INFO2("ROW: step(%d)=myrow(%d). Broadcast my data.", step, myrow);
+ VERB2("ROW: step(%d)=myrow(%d). Broadcast my data.", step, myrow);
for (l = 1; l < PROC_MATRIX_SIZE; l++) {
- INFO1("ROW: Send to %s", gras_socket_peer_name(socket_line[l - 1]));
+ VERB1("ROW: Send to %s",
+ gras_socket_peer_name(socket_line[l - 1]));
gras_msg_send(socket_line[l - 1], "dataA", &mydataA);
}
xbt_matrix_free(bA);
CATCH(e) {
RETHROW0("Can't get a data message from row : %s");
}
- INFO3("ROW: step(%d)<>myrow(%d). Receive data from %s", step, myrow,
+ VERB3("ROW: step(%d)<>myrow(%d). Receive data from %s", step, myrow,
gras_socket_peer_name(from));
}
xbt_matrix_double_addmult(bA, bB, bC);
CATCH(e) {
RETHROW0("Failed to send answer to server: %s");
}
- INFO2(">>>>>>>> Result sent to %s:%d <<<<<<<<",
+ VERB2(">>>>>>>> Result sent to %s:%d <<<<<<<<",
gras_socket_peer_name(master), gras_socket_peer_port(master));
/* Free the allocated resources, and shut GRAS down */
gras_os_sleep(0.5);
}
}
+ INFO2("Connected to master: %s:%d",gras_socket_peer_name(master),gras_socket_peer_port(master));
/* Join and run the group */
- amok_pm_group_join(master, "pmm", rank);
+ rank = amok_pm_group_join(master, "pmm");
amok_pm_mainloop(600);
/* housekeeping */
