X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/16e7a82942ba402af27bfe4a58e1b53990a10244..a1a92bc75727d71de12ad470b271b6a973d31275:/src/simdag/sd_workstation.cpp diff --git a/src/simdag/sd_workstation.cpp b/src/simdag/sd_workstation.cpp index d037b79fcf..44e2a0bdaf 100644 --- a/src/simdag/sd_workstation.cpp +++ b/src/simdag/sd_workstation.cpp @@ -4,199 +4,34 @@ /* 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 "src/surf/host_interface.hpp" -#include "src/simdag/simdag_private.h" -#include "simgrid/simdag.h" -#include -#include "xbt/dict.h" -#include "xbt/lib.h" -#include "xbt/sysdep.h" -#include "surf/surf.h" - -XBT_LOG_NEW_DEFAULT_SUBCATEGORY(sd_workstation, sd, - "Logging specific to SimDag (workstation)"); - -/* Creates a storage and registers it in SD. - */ -SD_storage_t __SD_storage_create(void *surf_storage, void *data) -{ - - SD_storage_priv_t storage; - const char *name; - - storage = xbt_new(s_SD_storage_priv_t, 1); - storage->data = data; /* user data */ - name = surf_resource_name((surf_cpp_resource_t)surf_storage); - storage->host = (const char*)surf_storage_get_host( (surf_resource_t )surf_storage_resource_by_name(name)); - xbt_lib_set(storage_lib,name, SD_STORAGE_LEVEL, storage); - return xbt_lib_get_elm_or_null(storage_lib, name); -} - -/* Destroys a storage. - */ -void __SD_storage_destroy(void *storage) -{ - SD_storage_priv_t s; - - s = (SD_storage_priv_t) storage; - xbt_free(s); -} - -/** - * \brief Returns a workstation given its name - * - * If there is no such workstation, the function returns \c NULL. - * - * \param name workstation name - * \return the workstation, or \c NULL if there is no such workstation - */ -SD_workstation_t SD_workstation_get_by_name(const char *name) -{ - return sg_host_by_name(name); -} - -/** - * \brief Returns the workstation list - * - * Use SD_workstation_get_count() to know the array size. - * - * \return an array of \ref SD_workstation_t containing all workstations - * \remark The workstation order in the returned array is generally different from the workstation creation/declaration order in the XML platform (we use a hash table internally). - * \see SD_workstation_get_count() - */ -const SD_workstation_t *SD_workstation_get_list(void) { - 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()); - - return sd_global->workstation_list; -} - -/** - * \brief Returns the number of workstations - * - * \return the number of existing workstations - * \see SD_workstation_get_list() - */ -int SD_workstation_get_count(void) -{ - return sg_host_count(); -} - -/** - * \brief Returns the user data of a workstation - * - * \param workstation a workstation - * \return the user data associated with this workstation (can be \c NULL) - * \see SD_workstation_set_data() - */ -void *SD_workstation_get_data(SD_workstation_t workstation) -{ - return sg_host_user(workstation); -} - -/** - * \brief Sets the user data of a workstation - * - * The new data can be \c NULL. The old data should have been freed first - * if it was not \c NULL. - * - * \param workstation a workstation - * \param data the new data you want to associate with this workstation - * \see SD_workstation_get_data() - */ -void SD_workstation_set_data(SD_workstation_t workstation, void *data) -{ - sg_host_user_set(workstation, data); -} - -/** - * \brief Returns the name of a workstation - * - * \param workstation a workstation - * \return the name of this workstation (cannot be \c NULL) - */ -const char *SD_workstation_get_name(SD_workstation_t workstation) -{ - return sg_host_get_name(workstation); -} - -/** - * \brief Returns the value of a given workstation property - * - * \param ws a workstation - * \param name a property name - * \return value of a property (or NULL if property not set) - */ -const char *SD_workstation_get_property_value(SD_workstation_t ws, - const char *name) -{ - return (const char*) xbt_dict_get_or_null(sg_host_get_properties(ws), name); -} - - -/** - * \brief Returns a #xbt_dict_t consisting of the list of properties assigned to this workstation - * - * \param workstation a workstation - * \return the dictionary containing the properties associated with the workstation - */ -xbt_dict_t SD_workstation_get_properties(SD_workstation_t workstation) -{ - return sg_host_get_properties(workstation); -} - - -/** @brief Displays debugging informations about a workstation */ -void SD_workstation_dump(SD_workstation_t ws) -{ - xbt_dict_t props; - xbt_dict_cursor_t cursor=NULL; - char *key,*data; - - XBT_INFO("Displaying workstation %s", sg_host_get_name(ws)); - XBT_INFO(" - speed: %.0f", ws->speed()); - XBT_INFO(" - available speed: %.2f", surf_host_get_available_speed(ws)); - props = sg_host_get_properties(ws); - - if (!xbt_dict_is_empty(props)){ - XBT_INFO(" - properties:"); +#include "simgrid/s4u/host.hpp" - xbt_dict_foreach(props,cursor,key,data) { - XBT_INFO(" %s->%s",key,data); - } - } -} +#include "simdag_private.hpp" +#include "src/surf/HostImpl.hpp" +#include "surf/surf.h" -/** - * \brief Returns the route between two workstations +/** @brief Returns the route between two workstations * * Use SD_route_get_size() to know the array size. * - * \param src a workstation - * \param dst another workstation - * \return a new array of \ref SD_link_t representing the route between these two workstations + * \param src a host + * \param dst another host + * \return an array of the \ref SD_link_t composing the route * \see SD_route_get_size(), SD_link_t */ -const SD_link_t *SD_route_get_list(SD_workstation_t src, - SD_workstation_t dst) +SD_link_t *SD_route_get_list(sg_host_t src, sg_host_t dst) { - xbt_dynar_t surf_route; - void *surf_link; - unsigned int cpt; - - if (sd_global->recyclable_route == NULL) { - /* first run */ - 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); + std::vector *route = new std::vector(); + routing_platf->getRouteAndLatency(src->pimpl_netcard, dst->pimpl_netcard, route, nullptr); - xbt_dynar_foreach(surf_route, cpt, surf_link) { - sd_global->recyclable_route[cpt] = (SD_link_t)surf_link; + int cpt=0; + SD_link_t *list = xbt_new(SD_link_t, route->size()); + for (auto link : *route){ + list[cpt] = link; + cpt++; } - return sd_global->recyclable_route; + delete route; + return list; } /** @@ -207,58 +42,13 @@ const SD_link_t *SD_route_get_list(SD_workstation_t src, * \return the number of links on the route between these two workstations * \see SD_route_get_list() */ -int SD_route_get_size(SD_workstation_t src, SD_workstation_t dst) +int SD_route_get_size(sg_host_t src, sg_host_t dst) { - return xbt_dynar_length(surf_host_model_get_route( - (surf_host_model_t)surf_host_model, src, dst)); -} - -/** - * \brief Returns the total speed of a workstation - * - * \param workstation a workstation - * \return the total speed of this workstation - * \see SD_workstation_get_available_speed() - */ -double SD_workstation_get_speed(SD_workstation_t workstation) -{ - return workstation->speed(); -} -/** - * \brief Returns the amount of cores of a workstation - * - * \param workstation a workstation - * \return the amount of cores of this workstation - */ -int SD_workstation_get_cores(SD_workstation_t workstation) { - return workstation->core_count(); -} - -/** - * \brief Returns the proportion of available speed in a workstation - * - * \param workstation a workstation - * \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_speed(SD_workstation_t workstation) -{ - return surf_host_get_available_speed(workstation); -} - -/** - * \brief Returns an approximative estimated time for the given computation amount on a workstation - * - * \param workstation a workstation - * \param flops_amount the computation amount you want to evaluate (in flops) - * \return an approximative estimated computation time for the given computation amount on this workstation (in seconds) - */ -double SD_workstation_get_computation_time(SD_workstation_t workstation, - double flops_amount) -{ - xbt_assert(flops_amount >= 0, - "flops_amount must be greater than or equal to zero"); - return flops_amount / workstation->speed(); + std::vector *route = new std::vector(); + routing_platf->getRouteAndLatency(src->pimpl_netcard, dst->pimpl_netcard, route, nullptr); + int size = route->size(); + delete route; + return size; } /** @@ -269,13 +59,12 @@ double SD_workstation_get_computation_time(SD_workstation_t workstation, * \return the latency of the route between the two workstations (in seconds) * \see SD_route_get_bandwidth() */ -double SD_route_get_latency(SD_workstation_t src, SD_workstation_t dst) +double SD_route_get_latency(sg_host_t src, sg_host_t dst) { - xbt_dynar_t route = NULL; double latency = 0; - - routing_platf->getRouteAndLatency(src->pimpl_netcard, dst->pimpl_netcard, - &route, &latency); + std::vector *route = new std::vector(); + routing_platf->getRouteAndLatency(src->pimpl_netcard, dst->pimpl_netcard, route, &latency); + delete route; return latency; } @@ -286,107 +75,22 @@ double SD_route_get_latency(SD_workstation_t src, SD_workstation_t dst) * * \param src the first workstation * \param dst the second workstation - * \return the bandwidth of the route between the two workstations - * (in bytes/second) + * \return the bandwidth of the route between the two workstations (in bytes/second) * \see SD_route_get_latency() */ -double SD_route_get_bandwidth(SD_workstation_t src, SD_workstation_t dst) +double SD_route_get_bandwidth(sg_host_t src, sg_host_t dst) { + double min_bandwidth = -1.0; - const SD_link_t *links; - int nb_links; - double bandwidth; - double min_bandwidth; - int i; - - links = SD_route_get_list(src, dst); - nb_links = SD_route_get_size(src, dst); - min_bandwidth = -1.0; + std::vector *route = new std::vector(); + routing_platf->getRouteAndLatency(src->pimpl_netcard, dst->pimpl_netcard, route, nullptr); - for (i = 0; i < nb_links; i++) { - bandwidth = sg_link_bandwidth(links[i]); - if (bandwidth < min_bandwidth || min_bandwidth == -1.0) + for (auto link : *route) { + double bandwidth = sg_link_bandwidth(link); + if (bandwidth < min_bandwidth || min_bandwidth < 0.0) min_bandwidth = bandwidth; } + delete route; return min_bandwidth; } - -/** - * \brief Returns an approximative estimated time for the given - * communication amount between two workstations - * - * \param src the first workstation - * \param dst the second workstation - * \param bytes_amount the communication amount you want to evaluate (in bytes) - * \return an approximative estimated communication time for the given bytes amount - * between the workstations (in seconds) - */ -double SD_route_get_communication_time(SD_workstation_t src, - SD_workstation_t dst, - double bytes_amount) -{ - - - /* total time = latency + transmission time of the slowest link - 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 = 0; - int i; - - xbt_assert(bytes_amount >= 0, "bytes_amount must be greater than or equal to zero"); - - - 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; - - for (i = 0; i < nb_links; i++) { - bandwidth = sg_link_bandwidth(links[i]); - if (bandwidth < min_bandwidth || min_bandwidth == -1.0) - min_bandwidth = bandwidth; - } - - return latency + (bytes_amount / min_bandwidth); -} - -/** - * \brief Return the list of mounted storages on a workstation. - * - * \param workstation a workstation - * \return a dynar containing all mounted storages on the workstation - */ -xbt_dict_t SD_workstation_get_mounted_storage_list(SD_workstation_t workstation){ - return workstation->extension()->getMountedStorageList(); -} - -/** - * \brief Return the list of mounted storages on a workstation. - * - * \param workstation a workstation - * \return a dynar containing all mounted storages on the workstation - */ -xbt_dynar_t SD_workstation_get_attached_storage_list(SD_workstation_t workstation){ - return surf_host_get_attached_storage_list(workstation); -} - -/** - * \brief Returns the host name the storage is attached to - * - * This functions checks whether a storage is a valid pointer or not and return its name. - */ -const char *SD_storage_get_host(msg_storage_t storage) { - xbt_assert((storage != NULL), "Invalid parameters"); - SD_storage_priv_t priv = SD_storage_priv(storage); - return priv->host; -}