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the code to of "change_name" was moved into the dax loader
[simgrid.git] / examples / simdag / sd_test.c
1 /* Copyright (c) 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
2  * All rights reserved.                                                     */
3
4 /* This program is free software; you can redistribute it and/or modify it
5  * under the terms of the license (GNU LGPL) which comes with this package. */
6
7 #include <stdio.h>
8 #include <stdlib.h>
9 #include "simdag/simdag.h"
10 #include "xbt/ex.h"
11 #include "xbt/log.h"
12
13 XBT_LOG_NEW_DEFAULT_CATEGORY(sd_test,
14                              "Logging specific to this SimDag example");
15
16 int main(int argc, char **argv)
17 {
18   int i;
19   unsigned int ctr;
20   const char *platform_file;
21   const SD_workstation_t *workstations;
22   const char *name1;
23   const char *name2;
24   double computation_amount1;
25   double computation_amount2;
26   double communication_amount12;
27   double communication_amount21;
28   const SD_link_t *route;
29   int route_size;
30   SD_task_t task, taskA, taskB, taskC, taskD, checkB, checkD;
31   xbt_dynar_t changed_tasks;
32   xbt_ex_t ex;
33   const int workstation_number = 2;
34   SD_workstation_t workstation_list[2];
35   double computation_amount[2];
36   double communication_amount[4] = { 0 };
37   double rate = -1.0;
38   SD_workstation_t w1, w2;
39
40   /* initialization of SD */
41   SD_init(&argc, argv);
42
43   /*  xbt_log_control_set("sd.thres=debug"); */
44
45   if (argc < 2) {
46     INFO1("Usage: %s platform_file", argv[0]);
47     INFO1("example: %s sd_platform.xml", argv[0]);
48     exit(1);
49   }
50
51   /* creation of the environment */
52   platform_file = argv[1];
53   SD_create_environment(platform_file);
54
55   /* test the estimation functions */
56   workstations = SD_workstation_get_list();
57   w1 = workstations[0];
58   w2 = workstations[1];
59   SD_workstation_set_access_mode(w2, SD_WORKSTATION_SEQUENTIAL_ACCESS);
60   name1 = SD_workstation_get_name(w1);
61   name2 = SD_workstation_get_name(w2);
62   computation_amount1 = 2000000;
63   computation_amount2 = 1000000;
64   communication_amount12 = 2000000;
65   communication_amount21 = 3000000;
66   INFO3("Computation time for %f flops on %s: %f", computation_amount1, name1,
67         SD_workstation_get_computation_time(w1, computation_amount1));
68   INFO3("Computation time for %f flops on %s: %f", computation_amount2, name2,
69         SD_workstation_get_computation_time(w2, computation_amount2));
70
71   INFO2("Route between %s and %s:", name1, name2);
72   route = SD_route_get_list(w1, w2);
73   route_size = SD_route_get_size(w1, w2);
74   for (i = 0; i < route_size; i++) {
75     INFO3("   Link %s: latency = %f, bandwidth = %f",
76           SD_link_get_name(route[i]), SD_link_get_current_latency(route[i]),
77           SD_link_get_current_bandwidth(route[i]));
78   }
79   INFO2("Route latency = %f, route bandwidth = %f",
80         SD_route_get_current_latency(w1, w2),
81         SD_route_get_current_bandwidth(w1, w2));
82   INFO4("Communication time for %f bytes between %s and %s: %f",
83         communication_amount12, name1, name2,
84         SD_route_get_communication_time(w1, w2, communication_amount12));
85   INFO4("Communication time for %f bytes between %s and %s: %f",
86         communication_amount21, name2, name1,
87         SD_route_get_communication_time(w2, w1, communication_amount21));
88
89   /* creation of the tasks and their dependencies */
90   taskA = SD_task_create("Task A", NULL, 10.0);
91   taskB = SD_task_create("Task B", NULL, 40.0);
92   taskC = SD_task_create("Task C", NULL, 30.0);
93   taskD = SD_task_create("Task D", NULL, 60.0);
94
95
96   SD_task_dependency_add(NULL, NULL, taskB, taskA);
97   SD_task_dependency_add(NULL, NULL, taskC, taskA);
98   SD_task_dependency_add(NULL, NULL, taskD, taskB);
99   SD_task_dependency_add(NULL, NULL, taskD, taskC);
100   /*  SD_task_dependency_add(NULL, NULL, taskA, taskD); /\* deadlock */
101
102
103
104   TRY {
105     SD_task_dependency_add(NULL, NULL, taskA, taskA);   /* shouldn't work and must raise an exception */
106     xbt_die("Hey, I can add a dependency between Task A and Task A!");
107   }
108   CATCH(ex) {
109     if (ex.category != arg_error)
110       RETHROW;                  /* this is a serious error */
111     xbt_ex_free(ex);
112   }
113
114   TRY {
115     SD_task_dependency_add(NULL, NULL, taskB, taskA);   /* shouldn't work and must raise an exception */
116     xbt_die("Oh oh, I can add an already existing dependency!");
117   }
118   CATCH(ex) {
119     if (ex.category != arg_error)
120       RETHROW;
121     xbt_ex_free(ex);
122   }
123
124   TRY {
125     SD_task_dependency_remove(taskA, taskC);    /* shouldn't work and must raise an exception */
126     xbt_die("Dude, I can remove an unknown dependency!");
127   }
128   CATCH(ex) {
129     if (ex.category != arg_error)
130       RETHROW;
131     xbt_ex_free(ex);
132   }
133
134   TRY {
135     SD_task_dependency_remove(taskC, taskC);    /* shouldn't work and must raise an exception */
136     xbt_die("Wow, I can remove a dependency between Task C and itself!");
137   }
138   CATCH(ex) {
139     if (ex.category != arg_error)
140       RETHROW;
141     xbt_ex_free(ex);
142   }
143
144
145   /* if everything is ok, no exception is forwarded or rethrown by main() */
146
147   /* watch points */
148   SD_task_watch(taskD, SD_DONE);
149   SD_task_watch(taskB, SD_DONE);
150   SD_task_unwatch(taskD, SD_DONE);
151
152
153   /* scheduling parameters */
154   workstation_list[0] = w1;
155   workstation_list[1] = w2;
156   computation_amount[0] = computation_amount1;
157   computation_amount[1] = computation_amount2;
158
159   communication_amount[1] = communication_amount12;
160   communication_amount[2] = communication_amount21;
161
162   /* estimated time */
163   task = taskD;
164   INFO2("Estimated time for '%s': %f", SD_task_get_name(task),
165         SD_task_get_execution_time(task, workstation_number, workstation_list,
166                                    computation_amount, communication_amount));
167
168   /* let's launch the simulation! */
169
170   SD_task_schedule(taskA, workstation_number, workstation_list,
171                    computation_amount, communication_amount, rate);
172   SD_task_schedule(taskB, workstation_number, workstation_list,
173                    computation_amount, communication_amount, rate);
174   SD_task_schedule(taskC, workstation_number, workstation_list,
175                    computation_amount, communication_amount, rate);
176   SD_task_schedule(taskD, workstation_number, workstation_list,
177                    computation_amount, communication_amount, rate);
178
179   changed_tasks = SD_simulate(-1.0);
180   xbt_dynar_foreach(changed_tasks, ctr, task){
181                   INFO3("Task '%s' start time: %f, finish time: %f",
182           SD_task_get_name(task),
183           SD_task_get_start_time(task),
184           SD_task_get_finish_time(task));
185   }
186
187   xbt_dynar_get_cpy(changed_tasks, 0, &checkD);
188   xbt_dynar_get_cpy(changed_tasks, 1, &checkB);
189
190   xbt_assert0(checkD == taskD &&
191               checkB == taskB, "Unexpected simulation results");
192
193   xbt_dynar_free_container(&changed_tasks);
194
195   DEBUG0("Destroying tasks...");
196
197   SD_task_destroy(taskA);
198   SD_task_destroy(taskB);
199   SD_task_destroy(taskC);
200   SD_task_destroy(taskD);
201
202   DEBUG0("Tasks destroyed. Exiting SimDag...");
203
204   SD_exit();
205   return 0;
206 }