X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/773e09f91e02cdd7e30e221f2bd6f39e97896b16..aec4a150a2f7c9a328729b08d727ddf41817d941:/src/smpi/smpi_bench.c diff --git a/src/smpi/smpi_bench.c b/src/smpi/smpi_bench.c index b64c2f7a3a..31dbd250d5 100644 --- a/src/smpi/smpi_bench.c +++ b/src/smpi/smpi_bench.c @@ -1,72 +1,97 @@ #include "private.h" +#include -void smpi_execute(double duration) { - smx_host_t host = SIMIX_host_self(); - smx_action_t action; +XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_bench, smpi, + "Logging specific to SMPI (benchmarking)"); - SIMIX_mutex_lock(smpi_global->execute_mutex); - - action = SIMIX_action_execute(host, "computation", duration * SMPI_DEFAULT_SPEED); - - SIMIX_register_action_to_condition(action, smpi_global->execute_cond); - SIMIX_cond_wait(smpi_global->execute_cond, smpi_global->execute_mutex); - SIMIX_unregister_action_to_condition(action, smpi_global->execute_cond); - SIMIX_action_destroy(action); - - SIMIX_mutex_unlock(smpi_global->execute_mutex); - - return; +void smpi_execute(double duration) +{ + smx_host_t host; + smx_action_t action; + smx_mutex_t mutex; + smx_cond_t cond; + e_surf_action_state_t state; + + if(duration > 0.001) { + host = SIMIX_host_self(); + mutex = SIMIX_mutex_init(); + cond = SIMIX_cond_init(); + DEBUG1("Sleep for %f to handle real computation time", duration); + duration *= xbt_cfg_get_double(_surf_cfg_set, "reference_speed"); + action = SIMIX_action_execute(host, "computation", duration); + SIMIX_mutex_lock(mutex); + SIMIX_register_action_to_condition(action, cond); + for (state = SIMIX_action_get_state(action); + state == SURF_ACTION_READY || + state == SURF_ACTION_RUNNING; state = SIMIX_action_get_state(action)) { + SIMIX_cond_wait(cond, mutex); + } + SIMIX_unregister_action_to_condition(action, cond); + SIMIX_mutex_unlock(mutex); + SIMIX_action_destroy(action); + SIMIX_cond_destroy(cond); + SIMIX_mutex_destroy(mutex); + } } void smpi_bench_begin() { - SIMIX_mutex_lock(smpi_global->timer_mutex); - xbt_os_timer_start(smpi_global->timer); - return; + xbt_os_timer_start(smpi_process_timer()); } -double smpi_bench_end() +void smpi_bench_end() { - double duration; - - xbt_os_timer_stop(smpi_global->timer); - - duration = xbt_os_timer_elapsed(smpi_global->timer); - - SIMIX_mutex_unlock(smpi_global->timer_mutex); + xbt_os_timer_t timer = smpi_process_timer(); - smpi_execute(duration); - - return duration; -} - - -void smpi_bench_skip() { - double duration = smpi_global->times[0]; - smpi_execute(duration); - return; + xbt_os_timer_stop(timer); + smpi_execute(xbt_os_timer_elapsed(timer)); } -void smpi_do_once_1() { - smpi_bench_end(); - SIMIX_mutex_lock(smpi_global->times_mutex); - if (0 < smpi_global->times[0]) { - smpi_bench_skip(); - } - return; +/* +TODO +void smpi_do_once_1(const char *file, int line) +{ + smpi_do_once_duration_node_t curr, prev; + + smpi_bench_end(); + SIMIX_mutex_lock(smpi_global->do_once_mutex); + prev = NULL; + for(curr = smpi_global->do_once_duration_nodes; + NULL != curr && (strcmp(curr->file, file) || curr->line != line); + curr = curr->next) { + prev = curr; + } + if(NULL == curr) { + curr = xbt_new(s_smpi_do_once_duration_node_t, 1); + curr->file = xbt_strdup(file); + curr->line = line; + curr->duration = -1; + curr->next = NULL; + if(NULL == prev) { + smpi_global->do_once_duration_nodes = curr; + } else { + prev->next = curr; + } + } + smpi_global->do_once_duration = &curr->duration; } -int smpi_do_once_2() { - int retval = 1; - if (0 < smpi_global->times[0]) { - SIMIX_mutex_unlock(smpi_global->times_mutex); - retval = 0; - } - smpi_bench_begin(); - return retval; +int smpi_do_once_2() +{ + double duration = *(smpi_global->do_once_duration); + + if(0 > duration) { + smpi_start_timer(); + return 1; + } + SIMIX_mutex_unlock(smpi_global->do_once_mutex); + smpi_execute(duration); + smpi_bench_begin(); + return 0; } -void smpi_do_once_3() { - smpi_global->times[0] = smpi_bench_end(); - return; +void smpi_do_once_3() +{ + *(smpi_global->do_once_duration) = smpi_stop_timer(); } +*/