#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)
* \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());
* \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();
}
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)){
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);
}
/**
- * \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->speed();
}
}
/**
- * \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);
}
{
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;
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;
}
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");
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;
}
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.
*
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);
-}
-