#include "xbt/sysdep.h"
#include "surf/surf.h"
+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(void *surf_workstation, void *data) {
+
+ SD_workstation_t workstation;
+ const char *name;
SD_CHECK_INIT_DONE();
xbt_assert0(surf_workstation != NULL, "surf_workstation is NULL !");
- SD_workstation_t workstation = xbt_new0(s_SD_workstation_t, 1);
+ workstation = xbt_new(s_SD_workstation_t, 1);
workstation->surf_workstation = surf_workstation;
workstation->data = data; /* user data */
- SD_workstation_set_access_mode(workstation, SD_WORKSTATION_SHARED_ACCESS); /* default mode is shared */
+ workstation->access_mode = SD_WORKSTATION_SHARED_ACCESS; /* default mode is shared */
workstation->task_fifo = NULL;
+ workstation->current_task = NULL;
- const char *name = SD_workstation_get_name(workstation);
+ name = SD_workstation_get_name(workstation);
xbt_dict_set(sd_global->workstations, name, workstation, __SD_workstation_destroy); /* add the workstation to the dictionary */
sd_global->workstation_count++;
* \see SD_workstation_get_number()
*/
const SD_workstation_t* SD_workstation_get_list(void) {
- SD_CHECK_INIT_DONE();
- xbt_assert0(SD_workstation_get_number() > 0, "There is no workstation!");
xbt_dict_cursor_t cursor;
char *key;
void *data;
int i;
+ SD_CHECK_INIT_DONE();
+ xbt_assert0(SD_workstation_get_number() > 0, "There is no workstation!");
+
+
+
if (sd_global->workstation_list == NULL) { /* this is the first time the function is called */
- sd_global->workstation_list = xbt_new0(SD_workstation_t, sd_global->workstation_count);
+ sd_global->workstation_list = xbt_new(SD_workstation_t, sd_global->workstation_count);
i = 0;
xbt_dict_foreach(sd_global->workstations, cursor, key, data) {
/**
* \brief Returns the route between two workstations
*
- * Use SD_route_get_size() to know the array size. Don't forget to free the array after use.
+ * 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 representating the route between these two workstations
* \see SD_route_get_size(), SD_link_t
*/
-SD_link_t* SD_route_get_list(SD_workstation_t src, SD_workstation_t dst) {
+const SD_link_t* SD_route_get_list(SD_workstation_t src, SD_workstation_t dst) {
+ void *surf_src;
+ void *surf_dst;
+ const void **surf_route;
+ int route_size;
+ const char *link_name;
+ int i;
+
SD_CHECK_INIT_DONE();
- void *surf_src = src->surf_workstation;
- void *surf_dst = dst->surf_workstation;
+ if (sd_global->recyclable_route == NULL) {
+ /* first run */
+ sd_global->recyclable_route = xbt_new(SD_link_t, SD_link_get_number());
+ }
+
+ surf_src = src->surf_workstation;
+ surf_dst = dst->surf_workstation;
+
+ surf_route = surf_workstation_resource->extension_public->get_route(surf_src, surf_dst);
+ route_size = surf_workstation_resource->extension_public->get_route_size(surf_src, surf_dst);
- const void **surf_route = surf_workstation_resource->extension_public->get_route(surf_src, surf_dst);
- int route_size = surf_workstation_resource->extension_public->get_route_size(surf_src, surf_dst);
- SD_link_t* route = xbt_new0(SD_link_t, route_size);
- const char *link_name;
- int i;
for (i = 0; i < route_size; i++) {
link_name = surf_workstation_resource->extension_public->get_link_name(surf_route[i]);
- route[i] = xbt_dict_get(sd_global->links, link_name);
+ sd_global->recyclable_route[i] = xbt_dict_get(sd_global->links, link_name);
}
- return route;
+ return sd_global->recyclable_route;
}
/**
* \see SD_route_get_current_bandwidth()
*/
double SD_route_get_current_latency(SD_workstation_t src, SD_workstation_t dst) {
+
+ const SD_link_t *links;
+ int nb_links;
+ double latency ;
+ int i;
+
SD_CHECK_INIT_DONE();
xbt_assert0(src != NULL && dst != NULL, "Invalid parameter");
- SD_link_t *links = SD_route_get_list(src, dst);
- int nb_links = SD_route_get_size(src, dst);
- double latency = 0.0;
- 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]);
}
- free(links);
return latency;
}
* \see SD_route_get_current_latency()
*/
double SD_route_get_current_bandwidth(SD_workstation_t src, SD_workstation_t dst) {
+
+ const SD_link_t *links;
+ int nb_links;
+ double bandwidth;
+ double min_bandwidth;
+ int i;
+
SD_CHECK_INIT_DONE();
xbt_assert0(src != NULL && dst != NULL, "Invalid parameter");
- SD_link_t *links = SD_route_get_list(src, dst);
- int nb_links = SD_route_get_size(src, dst);
- double bandwidth, min_bandwidth = -1.0;
- int i;
+
+ links = SD_route_get_list(src, dst);
+ nb_links = SD_route_get_size(src, dst);
+ bandwidth = min_bandwidth = -1.0;
+
for (i = 0; i < nb_links; i++) {
bandwidth = SD_link_get_current_bandwidth(links[i]);
min_bandwidth = bandwidth;
}
- free(links);
return min_bandwidth;
}
*/
double SD_route_get_communication_time(SD_workstation_t src, SD_workstation_t dst,
double communication_amount) {
+
+
/* total time = latency + transmission time of the slowest link
transmission time of a link = communication amount / link bandwidth */
- SD_CHECK_INIT_DONE();
- xbt_assert0(src != NULL && dst != NULL, "Invalid parameter");
- xbt_assert0(communication_amount >= 0, "communication_amount must be greater than or equal to zero");
- SD_link_t *links;
+ const SD_link_t *links;
int nb_links;
double bandwidth, min_bandwidth;
double latency;
int i;
+
+ SD_CHECK_INIT_DONE();
+ xbt_assert0(src != NULL && dst != NULL, "Invalid parameter");
+ xbt_assert0(communication_amount >= 0, "communication_amount must be greater than or equal to zero");
+
+
if (communication_amount == 0.0)
return 0.0;
if (bandwidth < min_bandwidth || min_bandwidth == -1.0)
min_bandwidth = bandwidth;
}
- xbt_free(links);
return latency + (communication_amount / min_bandwidth);
}
SD_CHECK_INIT_DONE();
xbt_assert0(workstation != NULL, "Invalid parameter");
+ DEBUG4("Workstation '%s' access mode: '%s', current task: %s, fifo size: %d",
+ SD_workstation_get_name(workstation),
+ (workstation->access_mode==SD_WORKSTATION_SHARED_ACCESS)?"SHARED":"FIFO",
+ (workstation->current_task ? SD_task_get_name(workstation->current_task) : "none"),
+ (workstation->task_fifo ? xbt_fifo_size(workstation->task_fifo) : 0));
+
return workstation->access_mode == SD_WORKSTATION_SEQUENTIAL_ACCESS &&
(workstation->current_task != NULL || xbt_fifo_size(workstation->task_fifo) > 0);
}
/* Destroys a workstation.
*/
void __SD_workstation_destroy(void *workstation) {
+
+ SD_workstation_t w;
+
SD_CHECK_INIT_DONE();
xbt_assert0(workstation != NULL, "Invalid parameter");
/* workstation->surf_workstation is freed by surf_exit and workstation->data is freed by the user */
- SD_workstation_t w = (SD_workstation_t) workstation;
+ w = (SD_workstation_t) workstation;
if (w->access_mode == SD_WORKSTATION_SEQUENTIAL_ACCESS) {
xbt_fifo_free(w->task_fifo);
