X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/da3e3559ec1388c6b9c0335b1489a83ea7f1b58e..077972fd6355b0900d78e4ff0779cf58a5e10e71:/src/simdag/sd_workstation.cpp diff --git a/src/simdag/sd_workstation.cpp b/src/simdag/sd_workstation.cpp index 9b21a9a804..b617568d6e 100644 --- a/src/simdag/sd_workstation.cpp +++ b/src/simdag/sd_workstation.cpp @@ -12,28 +12,10 @@ #include "xbt/lib.h" #include "xbt/sysdep.h" #include "surf/surf.h" -#include "simgrid/msg.h" //FIXME: why? XBT_LOG_NEW_DEFAULT_SUBCATEGORY(sd_workstation, sd, "Logging specific to SimDag (workstation)"); -/* Creates a workstation and registers it in SD. - */ -SD_workstation_t __SD_workstation_create(const char *name) -{ - - SD_workstation_priv_t workstation; - - workstation = xbt_new(s_SD_workstation_priv_t, 1); - workstation->access_mode = SD_WORKSTATION_SHARED_ACCESS; /* default mode is shared */ - workstation->task_fifo = NULL; - workstation->current_task = NULL; - - sg_host_t sg_host = sg_host_by_name(name); - sg_host_sd_set(sg_host,workstation); - return sg_host; -} - /* Creates a storage and registers it in SD. */ SD_storage_t __SD_storage_create(void *surf_storage, void *data) @@ -83,7 +65,7 @@ SD_workstation_t SD_workstation_get_by_name(const char *name) * \see SD_workstation_get_number() */ const SD_workstation_t *SD_workstation_get_list(void) { - xbt_assert(SD_workstation_get_number() > 0, "There is no workstation!"); + xbt_assert(SD_workstation_get_count() > 0, "There is no workstation!"); if (sd_global->workstation_list == NULL) /* this is the first time the function is called */ sd_global->workstation_list = (SD_workstation_t*)xbt_dynar_to_array(sg_hosts_as_dynar()); @@ -97,7 +79,7 @@ const SD_workstation_t *SD_workstation_get_list(void) { * \return the number of existing workstations * \see SD_workstation_get_list() */ -int SD_workstation_get_number(void) +int SD_workstation_get_count(void) { return sg_host_count(); } @@ -172,26 +154,10 @@ void SD_workstation_dump(SD_workstation_t ws) xbt_dict_t props; xbt_dict_cursor_t cursor=NULL; char *key,*data; - SD_task_t task = NULL; - + XBT_INFO("Displaying workstation %s", SD_workstation_get_name(ws)); - XBT_INFO(" - power: %.0f", SD_workstation_get_power(ws)); - XBT_INFO(" - available power: %.2f", SD_workstation_get_available_power(ws)); - switch (sg_host_sd(ws)->access_mode){ - case SD_WORKSTATION_SHARED_ACCESS: - XBT_INFO(" - access mode: Space shared"); - break; - case SD_WORKSTATION_SEQUENTIAL_ACCESS: - XBT_INFO(" - access mode: Exclusive"); - task = SD_workstation_get_current_task(ws); - if(task) - XBT_INFO(" current running task: %s", - SD_task_get_name(task)); - else - XBT_INFO(" no task running"); - break; - default: break; - } + XBT_INFO(" - speed: %.0f", SD_workstation_get_speed(ws)); + XBT_INFO(" - available speed: %.2f", SD_workstation_get_available_speed(ws)); props = SD_workstation_get_properties(ws); if (!xbt_dict_is_empty(props)){ @@ -210,7 +176,7 @@ void SD_workstation_dump(SD_workstation_t ws) * * \param src a workstation * \param dst another workstation - * \return a new array of \ref SD_link_t representating the route between these two workstations + * \return a new array of \ref SD_link_t representing the route between these two workstations * \see SD_route_get_size(), SD_link_t */ const SD_link_t *SD_route_get_list(SD_workstation_t src, @@ -222,7 +188,7 @@ const SD_link_t *SD_route_get_list(SD_workstation_t src, if (sd_global->recyclable_route == NULL) { /* first run */ - sd_global->recyclable_route = xbt_new(SD_link_t, SD_link_get_number()); + sd_global->recyclable_route = xbt_new(SD_link_t, sg_link_count()); } surf_route = surf_host_model_get_route((surf_host_model_t)surf_host_model, src, dst); @@ -248,15 +214,15 @@ int SD_route_get_size(SD_workstation_t src, SD_workstation_t dst) } /** - * \brief Returns the total power of a workstation + * \brief Returns the total speed of a workstation * * \param workstation a workstation - * \return the total power of this workstation - * \see SD_workstation_get_available_power() + * \return the total speed of this workstation + * \see SD_workstation_get_available_speed() */ -double SD_workstation_get_power(SD_workstation_t workstation) +double SD_workstation_get_speed(SD_workstation_t workstation) { - return workstation->getSpeed(); + return workstation->speed(); } /** * \brief Returns the amount of cores of a workstation @@ -265,17 +231,17 @@ double SD_workstation_get_power(SD_workstation_t workstation) * \return the amount of cores of this workstation */ int SD_workstation_get_cores(SD_workstation_t workstation) { - return workstation->getCoreAmount(); + return workstation->core_count(); } /** - * \brief Returns the proportion of available power in a workstation + * \brief Returns the proportion of available speed in a workstation * * \param workstation a workstation - * \return the proportion of power currently available in this workstation (normally a number between 0 and 1) - * \see SD_workstation_get_power() + * \return the proportion of speed currently available in this workstation (normally a number between 0 and 1) + * \see SD_workstation_get_speed() */ -double SD_workstation_get_available_power(SD_workstation_t workstation) +double SD_workstation_get_available_speed(SD_workstation_t workstation) { return surf_host_get_available_speed(workstation); } @@ -292,49 +258,39 @@ double SD_workstation_get_computation_time(SD_workstation_t workstation, { xbt_assert(flops_amount >= 0, "flops_amount must be greater than or equal to zero"); - return flops_amount / SD_workstation_get_power(workstation); + return flops_amount / SD_workstation_get_speed(workstation); } /** - * \brief Returns the latency of the route between two workstations, i.e. the sum of all link latencies - * between the workstations. + * \brief Returns the latency of the route between two workstations. * * \param src the first workstation * \param dst the second workstation * \return the latency of the route between the two workstations (in seconds) - * \see SD_route_get_current_bandwidth() + * \see SD_route_get_bandwidth() */ -double SD_route_get_current_latency(SD_workstation_t src, - SD_workstation_t dst) +double SD_route_get_latency(SD_workstation_t src, SD_workstation_t dst) { + xbt_dynar_t route = NULL; + double latency = 0; - const SD_link_t *links; - int nb_links; - double latency; - int i; - - links = SD_route_get_list(src, dst); - nb_links = SD_route_get_size(src, dst); - latency = 0.0; - - for (i = 0; i < nb_links; i++) { - latency += SD_link_get_current_latency(links[i]); - } + routing_platf->getRouteAndLatency(src->pimpl_netcard, dst->pimpl_netcard, + &route, &latency); return latency; } /** - * \brief Returns the bandwidth of the route between two workstations, i.e. the minimum link bandwidth of all - * between the workstations. + * \brief Returns the bandwidth of the route between two workstations, + * i.e. the minimum link bandwidth of all between the workstations. * * \param src the first workstation * \param dst the second workstation - * \return the bandwidth of the route between the two workstations (in bytes/second) - * \see SD_route_get_current_latency() + * \return the bandwidth of the route between the two workstations + * (in bytes/second) + * \see SD_route_get_latency() */ -double SD_route_get_current_bandwidth(SD_workstation_t src, - SD_workstation_t dst) +double SD_route_get_bandwidth(SD_workstation_t src, SD_workstation_t dst) { const SD_link_t *links; @@ -348,7 +304,7 @@ double SD_route_get_current_bandwidth(SD_workstation_t src, min_bandwidth = -1.0; for (i = 0; i < nb_links; i++) { - bandwidth = SD_link_get_current_bandwidth(links[i]); + bandwidth = sg_link_bandwidth(links[i]); if (bandwidth < min_bandwidth || min_bandwidth == -1.0) min_bandwidth = bandwidth; } @@ -376,9 +332,10 @@ double SD_route_get_communication_time(SD_workstation_t src, transmission time of a link = communication amount / link bandwidth */ const SD_link_t *links; + xbt_dynar_t route = NULL; int nb_links; double bandwidth, min_bandwidth; - double latency; + double latency = 0; int i; xbt_assert(bytes_amount >= 0, "bytes_amount must be greater than or equal to zero"); @@ -387,14 +344,15 @@ double SD_route_get_communication_time(SD_workstation_t src, if (bytes_amount == 0.0) return 0.0; + routing_platf->getRouteAndLatency(src->pimpl_netcard, dst->pimpl_netcard, + &route, &latency); + links = SD_route_get_list(src, dst); nb_links = SD_route_get_size(src, dst); min_bandwidth = -1.0; - latency = 0; for (i = 0; i < nb_links; i++) { - latency += SD_link_get_current_latency(links[i]); - bandwidth = SD_link_get_current_bandwidth(links[i]); + bandwidth = sg_link_bandwidth(links[i]); if (bandwidth < min_bandwidth || min_bandwidth == -1.0) min_bandwidth = bandwidth; } @@ -402,58 +360,6 @@ double SD_route_get_communication_time(SD_workstation_t src, return latency + (bytes_amount / min_bandwidth); } -/** - * \brief Returns the access mode of this workstation. - * - * \param workstation a workstation - * \return the access mode for the tasks running on this workstation: - * SD_WORKSTATION_SHARED_ACCESS or SD_WORKSTATION_SEQUENTIAL_ACCESS - * - * \see SD_workstation_set_access_mode(), e_SD_workstation_access_mode_t - */ -e_SD_workstation_access_mode_t -SD_workstation_get_access_mode(SD_workstation_t workstation) -{ - return sg_host_sd(workstation)->access_mode; -} - -/** - * \brief Sets the access mode for the tasks that will be executed on a workstation - * - * By default, a workstation model is shared, i.e. several tasks - * can be executed at the same time on a workstation. The CPU power of - * the workstation is shared between the running tasks on the workstation. - * In sequential mode, only one task can use the workstation, and the other - * tasks wait in a FIFO. - * - * \param workstation a workstation - * \param access_mode the access mode you want to set to this workstation: - * SD_WORKSTATION_SHARED_ACCESS or SD_WORKSTATION_SEQUENTIAL_ACCESS - * - * \see SD_workstation_get_access_mode(), e_SD_workstation_access_mode_t - */ -void SD_workstation_set_access_mode(SD_workstation_t workstation, - e_SD_workstation_access_mode_t - access_mode) -{ - xbt_assert(access_mode != SD_WORKSTATION_SEQUENTIAL_ACCESS || - access_mode != SD_WORKSTATION_SHARED_ACCESS, - "Trying to set an invalid access mode"); - - if (access_mode == sg_host_sd(workstation)->access_mode) { - return; // nothing is changed - } - - sg_host_sd(workstation)->access_mode = access_mode; - - if (access_mode == SD_WORKSTATION_SHARED_ACCESS) { - xbt_fifo_free(sg_host_sd(workstation)->task_fifo); - sg_host_sd(workstation)->task_fifo = NULL; - } else { - sg_host_sd(workstation)->task_fifo = xbt_fifo_new(); - } -} - /** * \brief Return the list of mounted storages on a workstation. * @@ -484,68 +390,3 @@ const char *SD_storage_get_host(msg_storage_t storage) { SD_storage_priv_t priv = SD_storage_priv(storage); return priv->host; } - -/* Returns whether a task can start now on a workstation*/ -/* - int __SD_workstation_can_start(SD_workstation_t workstation, SD_task_t task) { - SD_CHECK_INIT_DONE(); - xbt_assert(workstation != NULL && task != NULL, "Invalid parameter"); - - return !__SD_workstation_is_busy(workstation) && - (xbt_fifo_size(workstation->task_fifo) == 0) || xbt_fifo_get_first_item(workstation->task_fifo) == task); - } -*/ - -/* Returns whether a workstation is busy. A workstation is busy is it is - * in sequential mode and a task is running on it or the fifo is not empty. - */ -int __SD_workstation_is_busy(SD_workstation_t workstation) -{ - XBT_DEBUG - ("Workstation '%s' access mode: '%s', current task: %s, fifo size: %d", - SD_workstation_get_name(workstation), - (sg_host_sd(workstation)->access_mode == - SD_WORKSTATION_SHARED_ACCESS) ? "SHARED" : "FIFO", - (sg_host_sd(workstation)->current_task ? - SD_task_get_name(sg_host_sd(workstation)->current_task) - : "none"), - (sg_host_sd(workstation)->task_fifo ? xbt_fifo_size(sg_host_sd(workstation)->task_fifo) : - 0)); - - return sg_host_sd(workstation)->access_mode == SD_WORKSTATION_SEQUENTIAL_ACCESS && - (sg_host_sd(workstation)->current_task != NULL - || xbt_fifo_size(sg_host_sd(workstation)->task_fifo) > 0); -} - -/* Destroys a workstation. - */ -void __SD_workstation_destroy(void *workstation) -{ - - if (workstation==NULL) - return; - SD_workstation_priv_t w; - - /* workstation->surf_workstation is freed by surf_exit and workstation->data is freed by the user */ - - w = (SD_workstation_priv_t) workstation; - - if (w->access_mode == SD_WORKSTATION_SEQUENTIAL_ACCESS) { - xbt_fifo_free(w->task_fifo); - } - xbt_free(w); -} - -/** - * \brief Returns the kind of the task currently running on a workstation - * Only call this with sequential access mode set - * \param workstation a workstation */ -SD_task_t SD_workstation_get_current_task(SD_workstation_t workstation) -{ - xbt_assert(sg_host_sd(workstation)->access_mode == SD_WORKSTATION_SEQUENTIAL_ACCESS, - "Access mode must be set to SD_WORKSTATION_SEQUENTIAL_ACCESS" - " to use this function"); - - return (sg_host_sd(workstation)->current_task); -} -