+++ /dev/null
-/* Copyright (c) 2007-2015. 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 <string.h>
-
-#include "simgrid/simdag.h"
-#include "xbt/log.h"
-
-XBT_LOG_NEW_DEFAULT_CATEGORY(sd_test, "Logging specific to this SimDag example");
-
-static int nameCompareHosts(const void *n1, const void *n2)
-{
- return strcmp(sg_host_get_name(*((sg_host_t *) n1)), sg_host_get_name(*((sg_host_t *) n2)));
-}
-
-int main(int argc, char **argv)
-{
- int i, j;
- sg_host_t PtoPcomm1_hosts[2];
- sg_host_t PtoPcomm2_hosts[2];
- double PtoPcomm1_table[] = { 0, 12500000, 0, 0 }; /* 100Mb */
- double PtoPcomm2_table[] = { 0, 1250000, 0, 0 }; /* 10Mb */
- double ParComp_wocomm_cost[] = { 1e+9, 1e+9, 1e+9, 1e+9, 1e+9 }; /* 1 Gflop per Proc */
- double *ParComp_wocomm_table;
- sg_host_t ParComp_wocomm_hosts[5];
- double *IntraRedist_cost;
- double *IntraRedist_table;
- sg_host_t IntraRedist_hosts[5];
- double ParComp_wcomm1_cost[] = { 1e+9, 1e+9, 1e+9, 1e+9, 1e+9 }; /* 1 Gflop per Proc */
- double *ParComp_wcomm1_table;
- sg_host_t ParComp_wcomm1_hosts[5];
- double *InterRedist_cost;
- double *InterRedist_table;
- double ParComp_wcomm2_cost[] = { 1e+8, 1e+8, 1e+8, 1e+8, 1e+8 }; /* 1 Gflop per Proc (0.02sec duration) */
- sg_host_t ParComp_wcomm2_hosts[5];
- double final_cost = 5e+9;
- double *ParComp_wcomm2_table;
-
- SD_init(&argc, argv);
-
- xbt_assert(strstr(argv[1],".xml"), "Unsupported platform description style (not XML): %s", argv[1]);
- SD_create_environment(argv[1]);
-
- /* getting platform infos */
- int n_hosts = sg_host_count();
- const sg_host_t *hosts = sg_host_list();
-
- /* sorting hosts by hostname */
- qsort((void *) hosts, n_hosts, sizeof(sg_host_t), nameCompareHosts);
-
- /* creation of the tasks */
- SD_task_t taskInit = SD_task_create("Initial", NULL, 1.0);
- SD_task_t PtoPComm1 = SD_task_create("PtoP Comm 1", NULL, 1.0);
- SD_task_t PtoPComm2 = SD_task_create("PtoP Comm 2", NULL, 1.0);
- SD_task_t ParComp_wocomm = SD_task_create("Par Comp without comm", NULL, 1.0);
- SD_task_t IntraRedist = SD_task_create("intra redist", NULL, 1.0);
- SD_task_t ParComp_wcomm1 = SD_task_create("Par Comp with comm 1", NULL, 1.0);
- SD_task_t InterRedist = SD_task_create("inter redist", NULL, 1.0);
- SD_task_t taskFinal = SD_task_create("Final", NULL, 1.0);
- SD_task_t ParComp_wcomm2 = SD_task_create("Par Comp with comm 2", NULL, 1.0);
-
- /* creation of the dependencies */
- SD_task_dependency_add(NULL, NULL, taskInit, PtoPComm1);
- SD_task_dependency_add(NULL, NULL, taskInit, PtoPComm2);
- SD_task_dependency_add(NULL, NULL, PtoPComm1, ParComp_wocomm);
- SD_task_dependency_add(NULL, NULL, ParComp_wocomm, IntraRedist);
- SD_task_dependency_add(NULL, NULL, IntraRedist, ParComp_wcomm1);
- SD_task_dependency_add(NULL, NULL, ParComp_wcomm1, InterRedist);
- SD_task_dependency_add(NULL, NULL, InterRedist, ParComp_wcomm2);
- SD_task_dependency_add(NULL, NULL, ParComp_wcomm2, taskFinal);
- SD_task_dependency_add(NULL, NULL, PtoPComm2, taskFinal);
-
- /* large point-to-point communication (0.1 sec duration) */
- PtoPcomm1_hosts[0] = hosts[0];
- PtoPcomm1_hosts[1] = hosts[1];
-
- /* small point-to-point communication (0.01 sec duration) */
- PtoPcomm2_hosts[0] = hosts[0];
- PtoPcomm2_hosts[1] = hosts[2];
-
- /* parallel task without intra communications (1 sec duration) */
- ParComp_wocomm_table = xbt_new0(double, 25);
-
- for (i = 0; i < 5; i++) {
- ParComp_wocomm_hosts[i] = hosts[i];
- }
-
- /* redistribution within a cluster (small latencies) */
- /* each host send (4*2.5Mb =) 10Mb */
- /* bandwidth is shared between 5 flows (0.05sec duration) */
- IntraRedist_cost = xbt_new0(double, 5);
- IntraRedist_table = xbt_new0(double, 25);
- for (i = 0; i < 5; i++) {
- for (j = 0; j < 5; j++) {
- if (i == j)
- IntraRedist_table[i * 5 + j] = 0.;
- else
- IntraRedist_table[i * 5 + j] = 312500.; /* 2.5Mb */
- }
- }
-
- for (i = 0; i < 5; i++) {
- IntraRedist_hosts[i] = hosts[i];
- }
-
- /* parallel task with intra communications */
- /* Computation domination (1 sec duration) */
- ParComp_wcomm1_table = xbt_new0(double, 25);
-
- for (i = 0; i < 5; i++) {
- ParComp_wcomm1_hosts[i] = hosts[i];
- }
-
- for (i = 0; i < 5; i++) {
- for (j = 0; j < 5; j++) {
- if (i == j)
- ParComp_wcomm1_table[i * 5 + j] = 0.;
- else
- ParComp_wcomm1_table[i * 5 + j] = 312500.; /* 2.5Mb */
- }
- }
-
- /* inter cluster redistribution (big latency on the backbone) */
- /* (0.5sec duration without latency impact) */
- InterRedist_cost = xbt_new0(double, 10);
- InterRedist_table = xbt_new0(double, 100);
- for (i = 0; i < 5; i++) {
- InterRedist_table[i * 10 + i + 5] = 1250000.; /* 10Mb */
- }
-
- /* parallel task with intra communications */
- /* Communication domination (0.1 sec duration) */
- ParComp_wcomm2_table = xbt_new0(double, 25);
-
- for (i = 0; i < 5; i++) {
- ParComp_wcomm2_hosts[i] = hosts[i + 5];
- }
-
- for (i = 0; i < 5; i++) {
- for (j = 0; j < 5; j++) {
- if (i == j)
- ParComp_wcomm2_table[i * 5 + j] = 0.;
- else
- ParComp_wcomm2_table[i * 5 + j] = 625000.; /* 5Mb */
- }
- }
-
- /* scheduling the tasks */
- SD_task_schedule(taskInit, 1, hosts, SD_SCHED_NO_COST, SD_SCHED_NO_COST, -1.0);
- SD_task_schedule(PtoPComm1, 2, PtoPcomm1_hosts, SD_SCHED_NO_COST, PtoPcomm1_table, -1.0);
- SD_task_schedule(PtoPComm2, 2, PtoPcomm2_hosts, SD_SCHED_NO_COST, PtoPcomm2_table, -1.0);
- SD_task_schedule(ParComp_wocomm, 5, ParComp_wocomm_hosts, ParComp_wocomm_cost, ParComp_wocomm_table, -1.0);
- SD_task_schedule(IntraRedist, 5, IntraRedist_hosts, IntraRedist_cost, IntraRedist_table, -1.0);
- SD_task_schedule(ParComp_wcomm1, 5, ParComp_wcomm1_hosts, ParComp_wcomm1_cost, ParComp_wcomm1_table, -1.0);
- SD_task_schedule(InterRedist, 10, hosts, InterRedist_cost, InterRedist_table, -1.0);
- SD_task_schedule(ParComp_wcomm2, 5, ParComp_wcomm2_hosts, ParComp_wcomm2_cost, ParComp_wcomm2_table, -1.0);
- SD_task_schedule(taskFinal, 1, &(hosts[9]), &final_cost, SD_SCHED_NO_COST, -1.0);
-
- /* let's launch the simulation! */
- SD_simulate(-1.0);
-
- XBT_INFO("Simulation time: %f", SD_get_clock());
-
- free(ParComp_wocomm_table);
- free(IntraRedist_cost);
- free(IntraRedist_table);
- free(ParComp_wcomm1_table);
- free(InterRedist_cost);
- free(InterRedist_table);
- free(ParComp_wcomm2_table);
-
- SD_task_destroy(taskInit);
- SD_task_destroy(PtoPComm1);
- SD_task_destroy(PtoPComm2);
- SD_task_destroy(ParComp_wocomm);
- SD_task_destroy(IntraRedist);
- SD_task_destroy(ParComp_wcomm1);
- SD_task_destroy(InterRedist);
- SD_task_destroy(ParComp_wcomm2);
- SD_task_destroy(taskFinal);
-
- SD_exit();
- return 0;
-}
