1 /* Copyright (c) 2009, 2010. The SimGrid Team.
2 * All rights reserved. */
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. */
7 /* surf_config: configuration infrastructure for the simulation world */
9 #include "xbt/config.h"
11 #include "surf/surf_private.h"
12 #include "surf/surf_routing.h" /* COORD_HOST_LEVEL and COORD_ASR_LEVEL */
13 #include "simix/context.h"
15 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_config, surf,
16 "About the configuration of surf (and the rest of the simulation)");
18 xbt_cfg_t _surf_cfg_set = NULL;
20 /* Parse the command line, looking for options */
21 static void surf_config_cmd_line(int *argc, char **argv)
26 for (i = 1; i < *argc; i++) {
28 if (!strncmp(argv[i], "--cfg=", strlen("--cfg="))) {
29 opt = strchr(argv[i], '=');
32 xbt_cfg_set_parse(_surf_cfg_set, opt);
33 XBT_DEBUG("Did apply '%s' as config setting", opt);
35 } else if (!strncmp(argv[i], "--cfg-help", strlen("--cfg-help") + 1) ||
36 !strncmp(argv[i], "--help", strlen("--help") + 1)) {
38 ("Description of the configuration accepted by this simulator:\n");
39 xbt_cfg_help(_surf_cfg_set);
40 printf("\nYou can also use --help-models to see the details of all models known by this simulator.\n");
42 printf("\nYou can also use --help-tracing to see the details of all tracing options known by this simulator.\n");
45 } else if (!strncmp(argv[i], "--help-models", strlen("--help-models") + 1)) {
46 model_help("workstation", surf_workstation_model_description);
48 model_help("CPU", surf_cpu_model_description);
50 model_help("network", surf_network_model_description);
51 printf("\nLong description of all optimization levels accepted by the models of this simulator:\n");
52 for (i = 0; surf_optimization_mode_description[i].name; i++)
53 printf(" %s: %s\n", surf_optimization_mode_description[i].name, surf_optimization_mode_description[i].description);
54 printf("Both network and CPU models have 'Lazy' as default optimization level\n");
57 } else if (!strncmp(argv[i], "--help-tracing", strlen("--help-tracing") + 1)) {
62 if (remove_it) { /*remove this from argv */
63 for (j = i + 1; j < *argc; j++) {
64 argv[j - 1] = argv[j];
69 i--; /* compensate effect of next loop incrementation */
75 int _surf_init_status = 0; /* 0: beginning of time;
76 1: pre-inited (cfg_set created);
77 2: inited (running) */
79 /* callback of the workstation/model variable */
80 static void _surf_cfg_cb__workstation_model(const char *name, int pos)
84 xbt_assert(_surf_init_status < 2,
85 "Cannot change the model after the initialization");
87 val = xbt_cfg_get_string(_surf_cfg_set, name);
89 if (!strcmp(val, "help")) {
90 model_help("workstation", surf_workstation_model_description);
94 /* Make sure that the model exists */
95 find_model_description(surf_workstation_model_description, val);
98 /* callback of the cpu/model variable */
99 static void _surf_cfg_cb__cpu_model(const char *name, int pos)
103 xbt_assert(_surf_init_status < 2,
104 "Cannot change the model after the initialization");
106 val = xbt_cfg_get_string(_surf_cfg_set, name);
108 if (!strcmp(val, "help")) {
109 model_help("CPU", surf_cpu_model_description);
113 /* New Module missing */
114 find_model_description(surf_cpu_model_description, val);
117 /* callback of the cpu/model variable */
118 static void _surf_cfg_cb__optimization_mode(const char *name, int pos)
122 xbt_assert(_surf_init_status < 2,
123 "Cannot change the model after the initialization");
125 val = xbt_cfg_get_string(_surf_cfg_set, name);
127 if (!strcmp(val, "help")) {
128 model_help("optimization", surf_optimization_mode_description);
132 /* New Module missing */
133 find_model_description(surf_optimization_mode_description, val);
136 /* callback of the workstation_model variable */
137 static void _surf_cfg_cb__network_model(const char *name, int pos)
141 xbt_assert(_surf_init_status < 2,
142 "Cannot change the model after the initialization");
144 val = xbt_cfg_get_string(_surf_cfg_set, name);
146 if (!strcmp(val, "help")) {
147 model_help("network", surf_network_model_description);
151 /* New Module missing */
152 find_model_description(surf_network_model_description, val);
156 /* callbacks of the network models values */
157 static void _surf_cfg_cb__tcp_gamma(const char *name, int pos)
159 sg_tcp_gamma = xbt_cfg_get_double(_surf_cfg_set, name);
162 static void _surf_cfg_cb__maxmin_precision(const char* name, int pos)
164 sg_maxmin_precision = xbt_cfg_get_double(_surf_cfg_set, name);
167 static void _surf_cfg_cb__sender_gap(const char* name, int pos)
169 sg_sender_gap = xbt_cfg_get_double(_surf_cfg_set, name);
172 static void _surf_cfg_cb__latency_factor(const char *name, int pos)
174 sg_latency_factor = xbt_cfg_get_double(_surf_cfg_set, name);
177 static void _surf_cfg_cb__bandwidth_factor(const char *name, int pos)
179 sg_bandwidth_factor = xbt_cfg_get_double(_surf_cfg_set, name);
182 static void _surf_cfg_cb__weight_S(const char *name, int pos)
184 sg_weight_S_parameter = xbt_cfg_get_double(_surf_cfg_set, name);
187 /* callback of the inclusion path */
188 static void _surf_cfg_cb__surf_path(const char *name, int pos)
190 char *path = xbt_cfg_get_string_at(_surf_cfg_set, name, pos);
191 xbt_dynar_push(surf_path, &path);
194 /* callback to decide if we want to use the model-checking */
195 #include "xbt_modinter.h"
196 extern int _surf_do_model_check; /* this variable lives in xbt_main until I find a right location for it */
198 static void _surf_cfg_cb_model_check(const char *name, int pos)
200 _surf_do_model_check = xbt_cfg_get_int(_surf_cfg_set, name);
202 if (_surf_do_model_check) {
203 /* Tell modules using mallocators that they shouldn't. MC don't like them */
209 extern int _surf_do_verbose_exit;
211 static void _surf_cfg_cb_verbose_exit(const char *name, int pos)
213 _surf_do_verbose_exit = xbt_cfg_get_int(_surf_cfg_set, name);
217 static void _surf_cfg_cb_context_factory(const char *name, int pos)
219 smx_context_factory_name = xbt_cfg_get_string(_surf_cfg_set, name);
222 static void _surf_cfg_cb_context_stack_size(const char *name, int pos)
224 smx_context_stack_size = xbt_cfg_get_int(_surf_cfg_set, name) * 1024;
227 static void _surf_cfg_cb_contexts_nthreads(const char *name, int pos)
229 unsigned int nthreads;
230 const char* value = xbt_cfg_get_string(_surf_cfg_set, name);
231 if (!strcmp(value, "auto")) {
232 XBT_DEBUG("Auto setting contexts/nthreads to %d", PROCESSOR_COUNT);
233 nthreads = PROCESSOR_COUNT;
236 nthreads = atoi(value);
237 xbt_assert(nthreads > 0, "context/threads should be a positive number or 'auto'");
239 SIMIX_context_set_nthreads(nthreads);
242 static void _surf_cfg_cb_contexts_parallel_threshold(const char *name, int pos)
244 SIMIX_context_set_parallel_threshold(xbt_cfg_get_int(_surf_cfg_set, name));
247 static void _surf_cfg_cb_contexts_parallel_mode(const char *name, int pos)
249 const char* mode_name = xbt_cfg_get_string(_surf_cfg_set, name);
250 if (!strcmp(mode_name, "posix")) {
251 SIMIX_context_set_parallel_mode(XBT_PARMAP_POSIX);
253 else if (!strcmp(mode_name, "futex")) {
254 SIMIX_context_set_parallel_mode(XBT_PARMAP_FUTEX);
256 else if (!strcmp(mode_name, "busy_wait")) {
257 SIMIX_context_set_parallel_mode(XBT_PARMAP_BUSY_WAIT);
260 xbt_die("Command line setting of the parallel synchronization mode should "
261 "be one of \"posix\", \"futex\" or \"busy_wait\"");
265 static void _surf_cfg_cb_surf_nthreads(const char *name, int pos)
267 surf_set_nthreads(xbt_cfg_get_int(_surf_cfg_set, name));
270 static void _surf_cfg_cb__surf_network_coordinates(const char *name,
273 char *val = xbt_cfg_get_string(_surf_cfg_set, name);
274 if (!strcmp(val, "yes")) {
275 if (!COORD_HOST_LEVEL) {
276 COORD_HOST_LEVEL = xbt_lib_add_level(host_lib,xbt_dynar_free_voidp);
277 COORD_ASR_LEVEL = xbt_lib_add_level(as_router_lib,xbt_dynar_free_voidp);
279 } else if (!strcmp(val, "no")) {
280 if (COORD_HOST_LEVEL)
281 xbt_die("Setting of whether to use coordinate cannot be disabled once set.");
283 xbt_die("Command line setting of whether to use coordinates must be either \"yes\" or \"no\"");
287 static void _surf_cfg_cb__surf_network_crosstraffic(const char *name,
290 sg_network_crosstraffic = xbt_cfg_get_int(_surf_cfg_set, name);
294 static void _surf_cfg_cb__gtnets_jitter(const char *name, int pos)
296 sg_gtnets_jitter = xbt_cfg_get_double(_surf_cfg_set, name);
299 static void _surf_cfg_cb__gtnets_jitter_seed(const char *name, int pos)
301 sg_gtnets_jitter_seed = xbt_cfg_get_int(_surf_cfg_set, name);
305 /* create the config set, register what should be and parse the command line*/
306 void surf_config_init(int *argc, char **argv)
308 char *description = xbt_malloc(1024), *p = description;
310 double double_default_value;
311 int default_value_int;
314 /* Create the configuration support */
315 if (_surf_init_status == 0) { /* Only create stuff if not already inited */
316 _surf_init_status = 1;
319 "The model to use for the CPU. Possible values: ");
321 while (*(++p) != '\0');
322 for (i = 0; surf_cpu_model_description[i].name; i++)
323 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
324 surf_cpu_model_description[i].name);
326 ".\n (use 'help' as a value to see the long description of each model)");
327 default_value = xbt_strdup("Cas01");
328 xbt_cfg_register(&_surf_cfg_set, "cpu/model", description, xbt_cfgelm_string,
329 &default_value, 1, 1, &_surf_cfg_cb__cpu_model, NULL);
332 "The optimization modes to use for the CPU. Possible values: ");
334 while (*(++p) != '\0');
335 for (i = 0; surf_optimization_mode_description[i].name; i++)
336 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
337 surf_optimization_mode_description[i].name);
339 ".\n (use 'help' as a value to see the long description of each optimization mode)");
340 default_value = xbt_strdup("Lazy");
341 xbt_cfg_register(&_surf_cfg_set, "cpu/optim", description, xbt_cfgelm_string,
342 &default_value, 1, 1, &_surf_cfg_cb__optimization_mode, NULL);
345 "The model to use for the network. Possible values: ");
347 while (*(++p) != '\0');
348 for (i = 0; surf_network_model_description[i].name; i++)
349 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
350 surf_network_model_description[i].name);
352 ".\n (use 'help' as a value to see the long description of each model)");
353 default_value = xbt_strdup("LV08");
354 xbt_cfg_register(&_surf_cfg_set, "network/model", description, xbt_cfgelm_string,
355 &default_value, 1, 1, &_surf_cfg_cb__network_model,
359 "The optimization modes to use for the network. Possible values: ");
361 while (*(++p) != '\0');
362 for (i = 0; surf_optimization_mode_description[i].name; i++)
363 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
364 surf_optimization_mode_description[i].name);
366 ".\n (use 'help' as a value to see the long description of each optimization mode)");
367 default_value = xbt_strdup("Lazy");
368 xbt_cfg_register(&_surf_cfg_set, "network/optim", description, xbt_cfgelm_string,
369 &default_value, 1, 1, &_surf_cfg_cb__optimization_mode, NULL);
372 "The model to use for the workstation. Possible values: ");
374 while (*(++p) != '\0');
375 for (i = 0; surf_workstation_model_description[i].name; i++)
376 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
377 surf_workstation_model_description[i].name);
379 ".\n (use 'help' as a value to see the long description of each model)");
380 default_value = xbt_strdup("default");
381 xbt_cfg_register(&_surf_cfg_set, "workstation/model", description, xbt_cfgelm_string,
382 &default_value, 1, 1,
383 &_surf_cfg_cb__workstation_model, NULL);
385 xbt_free(description);
387 xbt_cfg_register(&_surf_cfg_set, "network/TCP_gamma",
388 "Size of the biggest TCP window (cat /proc/sys/net/ipv4/tcp_[rw]mem for recv/send window; Use the last given value, which is the max window size)",
389 xbt_cfgelm_double, NULL, 1, 1,
390 _surf_cfg_cb__tcp_gamma, NULL);
391 xbt_cfg_setdefault_double(_surf_cfg_set, "network/TCP_gamma", 20000.0);
393 xbt_cfg_register(&_surf_cfg_set, "maxmin/precision",
394 "Numerical precision used when updating simulation models (epsilon in double comparisons)",
395 xbt_cfgelm_double, NULL, 1, 1, _surf_cfg_cb__maxmin_precision, NULL);
396 xbt_cfg_setdefault_double(_surf_cfg_set, "maxmin/precision", 0.00001); // FIXME use setdefault everywhere here!
398 /* The parameters of network models */
400 double_default_value = 0.0;
401 xbt_cfg_register(&_surf_cfg_set, "network/sender_gap",
402 "Minimum gap between two overlapping sends",
403 xbt_cfgelm_double, &double_default_value, 1, 1,
404 _surf_cfg_cb__sender_gap, NULL);
406 double_default_value = 1.0;
407 xbt_cfg_register(&_surf_cfg_set, "network/latency_factor",
408 "Correction factor to apply to the provided latency (default value set by network model)",
409 xbt_cfgelm_double, &double_default_value, 1, 1,
410 _surf_cfg_cb__latency_factor, NULL);
411 double_default_value = 1.0;
412 xbt_cfg_register(&_surf_cfg_set, "network/bandwidth_factor",
413 "Correction factor to apply to the provided bandwidth (default value set by network model)",
414 xbt_cfgelm_double, &double_default_value, 1, 1,
415 _surf_cfg_cb__bandwidth_factor, NULL);
416 double_default_value = 0.0;
417 xbt_cfg_register(&_surf_cfg_set, "network/weight_S",
418 "Correction factor to apply to the weight of competing streams(default value set by network model)",
419 xbt_cfgelm_double, &double_default_value, 1, 1,
420 _surf_cfg_cb__weight_S, NULL);
423 xbt_cfg_register(&_surf_cfg_set, "path",
424 "Lookup path for inclusions in platform and deployment XML files",
425 xbt_cfgelm_string, NULL, 0, 0,
426 _surf_cfg_cb__surf_path, NULL);
428 default_value_int = 0;
429 xbt_cfg_register(&_surf_cfg_set, "cpu/maxmin_selective_update",
430 "Update the constraint set propagating recursively to others constraints (1 by default when optim is set to lazy)",
431 xbt_cfgelm_int, &default_value_int, 0, 1,
433 default_value_int = 0;
434 xbt_cfg_register(&_surf_cfg_set, "network/maxmin_selective_update",
435 "Update the constraint set propagating recursively to others constraints (1 by default when optim is set to lazy)",
436 xbt_cfgelm_int, &default_value_int, 0, 1,
440 default_value_int = 0;
441 xbt_cfg_register(&_surf_cfg_set, "model-check",
442 "Activate the model-checking of the \"simulated\" system (EXPERIMENTAL -- msg only for now)",
443 xbt_cfgelm_int, &default_value_int, 0, 1,
444 _surf_cfg_cb_model_check, NULL);
447 FIXME: this function is not setting model-check to it's default value because
448 internally it calls to variable->cb_set that in this case is the function
449 _surf_cfg_cb_model_check which sets it's value to 1 (instead of the default value 0)
450 xbt_cfg_set_int(_surf_cfg_set, "model-check", default_value_int); */
452 /* do verbose-exit */
453 default_value_int = 1;
454 xbt_cfg_register(&_surf_cfg_set, "verbose-exit",
455 "Activate the \"do nothing\" mode in Ctrl-C",
456 xbt_cfgelm_int, &default_value_int, 0, 1,
457 _surf_cfg_cb_verbose_exit, NULL);
460 /* context factory */
461 default_value = xbt_strdup("ucontext");
462 xbt_cfg_register(&_surf_cfg_set, "contexts/factory",
463 "Context factory to use in SIMIX (ucontext, thread or raw)",
464 xbt_cfgelm_string, &default_value, 1, 1, _surf_cfg_cb_context_factory, NULL);
466 /* stack size of contexts in Ko */
467 default_value_int = 128;
468 xbt_cfg_register(&_surf_cfg_set, "contexts/stack_size",
469 "Stack size of contexts in Kib (ucontext or raw only)",
470 xbt_cfgelm_int, &default_value_int, 1, 1,
471 _surf_cfg_cb_context_stack_size, NULL);
473 /* number of parallel threads for user processes */
474 default_value = xbt_strdup("1");
475 xbt_cfg_register(&_surf_cfg_set, "contexts/nthreads",
476 "Number of parallel threads used to execute user contexts",
477 xbt_cfgelm_string, &default_value, 1, 1,
478 _surf_cfg_cb_contexts_nthreads, NULL);
480 /* minimal number of user contexts to be run in parallel */
481 default_value_int = 2;
482 xbt_cfg_register(&_surf_cfg_set, "contexts/parallel_threshold",
483 "Minimal number of user contexts to be run in parallel (raw contexts only)",
484 xbt_cfgelm_int, &default_value_int, 1, 1,
485 _surf_cfg_cb_contexts_parallel_threshold, NULL);
487 /* synchronization mode for parallel user contexts */
489 default_value = xbt_strdup("futex");
490 #else //No futex on mac and posix is unimplememted yet
491 default_value = xbt_strdup("busy_wait");
493 xbt_cfg_register(&_surf_cfg_set, "contexts/synchro",
494 "Synchronization mode to use when running contexts in parallel (either futex, posix or busy_wait)",
495 xbt_cfgelm_string, &default_value, 1, 1,
496 _surf_cfg_cb_contexts_parallel_mode, NULL);
498 /* number of parallel threads for Surf */
499 default_value_int = surf_get_nthreads();
500 xbt_cfg_register(&_surf_cfg_set, "surf/nthreads",
501 "Number of parallel threads used to update Surf models",
502 xbt_cfgelm_int, &default_value_int, 1, 1,
503 _surf_cfg_cb_surf_nthreads, NULL);
505 default_value = xbt_strdup("no");
506 xbt_cfg_register(&_surf_cfg_set, "network/coordinates",
507 "\"yes\" or \"no\", specifying whether we use a coordinate-based routing (as Vivaldi)",
508 xbt_cfgelm_string, &default_value, 1, 1,
509 _surf_cfg_cb__surf_network_coordinates, NULL);
510 xbt_cfg_setdefault_string(_surf_cfg_set, "network/coordinates", default_value);
512 default_value_int = 0;
513 xbt_cfg_register(&_surf_cfg_set, "network/crosstraffic",
514 "Activate the interferences between uploads and downloads for fluid max-min models (LV08, CM02)",
515 xbt_cfgelm_int, &default_value_int, 0, 1,
516 _surf_cfg_cb__surf_network_crosstraffic, NULL);
517 xbt_cfg_setdefault_int(_surf_cfg_set, "network/crosstraffic", default_value_int);
520 xbt_cfg_register(&_surf_cfg_set, "gtnets/jitter",
521 "Double value to oscillate the link latency, uniformly in random interval [-latency*gtnets_jitter,latency*gtnets_jitter)",
522 xbt_cfgelm_double, NULL, 1, 1,
523 _surf_cfg_cb__gtnets_jitter, NULL);
524 xbt_cfg_setdefault_double(_surf_cfg_set, "gtnets_jitter", 0.0);
526 default_value_int = 10;
527 xbt_cfg_register(&_surf_cfg_set, "gtnets/jitter_seed",
528 "Use a positive seed to reproduce jitted results, value must be in [1,1e8], default is 10",
529 xbt_cfgelm_int, &default_value_int, 0, 1,
530 _surf_cfg_cb__gtnets_jitter_seed, NULL);
533 xbt_cfg_register(&_surf_cfg_set, "ns3/TcpModel",
534 "The ns3 tcp model can be : NewReno or Reno or Tahoe",
535 xbt_cfgelm_string, NULL, 1, 1,
537 xbt_cfg_setdefault_string(_surf_cfg_set, "ns3/TcpModel", "default");
541 double default_reference_speed = 20000.0;
542 xbt_cfg_register(&_surf_cfg_set, "smpi/running_power",
543 "Power of the host running the simulation (in flop/s). Used to bench the operations.",
544 xbt_cfgelm_double, &default_reference_speed, 1, 1, NULL,
547 int default_display_timing = 0;
548 xbt_cfg_register(&_surf_cfg_set, "smpi/display_timing",
549 "Boolean indicating whether we should display the timing after simulation.",
550 xbt_cfgelm_int, &default_display_timing, 1, 1, NULL,
553 double default_threshold = 1e-6;
554 xbt_cfg_register(&_surf_cfg_set, "smpi/cpu_threshold",
555 "Minimal computation time (in seconds) not discarded.",
556 xbt_cfgelm_double, &default_threshold, 1, 1, NULL,
559 //For smpi/bw_factor and smpi/lat_factor
560 //Default value have to be "threshold0:value0;threshold1:value1;...;thresholdN:valueN"
561 //test is if( size >= thresholdN ) return valueN;
562 //Values can be modified with command line --cfg=smpi/bw_factor:"threshold0:value0;threshold1:value1;...;thresholdN:valueN"
563 // or with tag config put line <prop id="smpi/bw_factor" value="threshold0:value0;threshold1:value1;...;thresholdN:valueN"></prop>
564 xbt_cfg_register(&_surf_cfg_set, "smpi/bw_factor",
565 "Bandwidth factors for smpi.",
566 xbt_cfgelm_string, NULL, 1, 1, NULL,
568 xbt_cfg_setdefault_string(_surf_cfg_set, "smpi/bw_factor", "65472:0.940694;15424:0.697866;9376:0.58729;5776:1.08739;3484:0.77493;1426:0.608902;732:0.341987;257:0.338112;0:0.812084");
570 xbt_cfg_register(&_surf_cfg_set, "smpi/lat_factor",
571 "Latency factors for smpi.",
572 xbt_cfgelm_string, NULL, 1, 1, NULL,
574 xbt_cfg_setdefault_string(_surf_cfg_set, "smpi/lat_factor", "65472:11.6436;15424:3.48845;9376:2.59299;5776:2.18796;3484:1.88101;1426:1.61075;732:1.9503;257:1.95341;0:2.01467");
579 /* retrieves the current directory of the current process */
580 const char *initial_path = __surf_get_initial_path();
581 xbt_assert((initial_path),
582 "__surf_get_initial_path() failed! Can't resolves current Windows directory");
584 surf_path = xbt_dynar_new(sizeof(char *), NULL);
585 xbt_cfg_setdefault_string(_surf_cfg_set, "path", initial_path);
589 surf_config_cmd_line(argc, argv);
591 XBT_WARN("Call to surf_config_init() after initialization ignored");
595 void surf_config_finalize(void)
597 if (!_surf_init_status)
598 return; /* Not initialized yet. Nothing to do */
600 xbt_cfg_free(&_surf_cfg_set);
601 _surf_init_status = 0;
604 /* Pick the right models for CPU, net and workstation, and call their model_init_preparse */
605 void surf_config_models_setup()
607 char *workstation_model_name;
608 int workstation_id = -1;
609 char *network_model_name = NULL;
610 char *cpu_model_name = NULL;
612 workstation_model_name =
613 xbt_cfg_get_string(_surf_cfg_set, "workstation/model");
614 network_model_name = xbt_cfg_get_string(_surf_cfg_set, "network/model");
615 cpu_model_name = xbt_cfg_get_string(_surf_cfg_set, "cpu/model");
617 /* Check whether we use a net/cpu model differing from the default ones, in which case
618 * we should switch to the "compound" workstation model to correctly dispatch stuff to
619 * the right net/cpu models.
622 if((!xbt_cfg_is_default_value(_surf_cfg_set, "network/model") ||
623 !xbt_cfg_is_default_value(_surf_cfg_set, "cpu/model")) &&
624 xbt_cfg_is_default_value(_surf_cfg_set, "workstation/model"))
626 const char *val = "compound";
628 ("Switching workstation model to compound since you changed the network and/or cpu model(s)");
629 xbt_cfg_set_string(_surf_cfg_set, "workstation/model", val);
630 workstation_model_name = (char *) "compound";
633 XBT_DEBUG("Workstation model: %s", workstation_model_name);
635 find_model_description(surf_workstation_model_description,
636 workstation_model_name);
637 if (!strcmp(workstation_model_name, "compound")) {
641 xbt_assert(cpu_model_name,
642 "Set a cpu model to use with the 'compound' workstation model");
644 xbt_assert(network_model_name,
645 "Set a network model to use with the 'compound' workstation model");
648 find_model_description(surf_network_model_description,
651 find_model_description(surf_cpu_model_description, cpu_model_name);
653 surf_cpu_model_description[cpu_id].model_init_preparse();
654 surf_network_model_description[network_id].model_init_preparse();
657 XBT_DEBUG("Call workstation_model_init");
658 surf_workstation_model_description[workstation_id].model_init_preparse();