xbt_dynar_foreach(dot, cursor, task) {
int kind = SD_task_get_kind(task);
SD_workstation_t *wsl = SD_task_get_workstation_list(task);
switch (kind) {
case SD_TASK_COMP_SEQ:
fprintf(out, "[%f->%f] %s compute %f flops # %s\n",
SD_task_get_start_time(task),
SD_task_get_finish_time(task),
SD_workstation_get_name(wsl[0]), SD_task_get_amount(task),
SD_task_get_name(task));
break;
case SD_TASK_COMM_E2E:
fprintf(out, "[%f -> %f] %s -> %s transfer of %.0f bytes # %s\n",
SD_task_get_start_time(task),
SD_task_get_finish_time(task),
SD_workstation_get_name(wsl[0]),
SD_workstation_get_name(wsl[1]), SD_task_get_amount(task),
SD_task_get_name(task));
break;
default:
xbt_die("Task %s is of unknown kind %d", SD_task_get_name(task),
SD_task_get_kind(task));
}
SD_task_destroy(task);
}
static double finish_on_at(SD_task_t task, sg_host_t host)
{
double result;
unsigned int i;
double data_available = 0.;
double redist_time = 0;
double last_data_available;
xbt_dynar_t parents = SD_task_get_parents(task);
if (!xbt_dynar_is_empty(parents)) {
/* compute last_data_available */
SD_task_t parent;
last_data_available = -1.0;
xbt_dynar_foreach(parents, i, parent) {
/* normal case */
if (SD_task_get_kind(parent) == SD_TASK_COMM_E2E) {
xbt_dynar_t grand_parents = SD_task_get_parents(parent);
SD_task_t grand_parent;
xbt_assert(xbt_dynar_length(grand_parents) <2, "Error: transfer %s has 2 parents", SD_task_get_name(parent));
xbt_dynar_get_cpy(grand_parents, 0, &grand_parent);
sg_host_t * grand_parent_host_list = SD_task_get_workstation_list(grand_parent);
/* Estimate the redistribution time from this parent */
if (SD_task_get_amount(parent) <= 1e-6){
redist_time= 0;
} else {
redist_time = SD_route_get_latency(grand_parent_host_list[0], host) +
SD_task_get_amount(parent) / SD_route_get_bandwidth(grand_parent_host_list[0], host);
}
data_available = SD_task_get_finish_time(grand_parent) + redist_time;
xbt_dynar_free_container(&grand_parents);
}
/* no transfer, control dependency */
if (SD_task_get_kind(parent) == SD_TASK_COMP_SEQ) {
data_available = SD_task_get_finish_time(parent);
}
if (last_data_available < data_available)
last_data_available = data_available;
}
xbt_dynar_free_container(&parents);
result = MAX(sg_host_get_available_at(host), last_data_available) + SD_task_get_amount(task)/sg_host_speed(host);
} else {
int main(int argc, char **argv)
{
unsigned int ctr;
SD_task_t task;
xbt_dynar_t changed_tasks;
SD_init(&argc, argv);
SD_create_environment(argv[1]);
const sg_host_t *hosts = sg_host_list();
SD_task_t t1 = SD_task_create_comp_seq("t1", NULL, 25000000);
SD_task_t c1 = SD_task_create_comm_e2e("c1", NULL, 125000000);
SD_task_t t2 = SD_task_create_comp_seq("t2", NULL, 25000000);
SD_task_t c2 = SD_task_create_comm_e2e("c2", NULL, 62500000);
SD_task_t t3 = SD_task_create_comp_seq("t3", NULL, 25000000);
SD_task_t c3 = SD_task_create_comm_e2e("c3", NULL, 31250000);
SD_task_t t4 = SD_task_create_comp_seq("t4", NULL, 25000000);
/* Add dependencies: t1->c1->t2->c2->t3 */
SD_task_dependency_add(NULL, NULL, t1, c1);
SD_task_dependency_add(NULL, NULL, c1, t2);
SD_task_dependency_add(NULL, NULL, t2, c2);
SD_task_dependency_add(NULL, NULL, c2, t3);
SD_task_dependency_add(NULL, NULL, t3, c3);
SD_task_dependency_add(NULL, NULL, c3, t4);
/* Schedule tasks t1 and w3 on first host, t2 on second host */
/* Transfers are auto-scheduled */
SD_task_schedulel(t1, 1, hosts[0]);
SD_task_schedulel(t2, 1, hosts[1]);
SD_task_schedulel(t3, 1, hosts[0]);
SD_task_schedulel(t4, 1, hosts[1]);
/* Add some watchpoint upon task completion */
SD_task_watch(t1, SD_DONE);
SD_task_watch(c1, SD_DONE);
SD_task_watch(t2, SD_DONE);
SD_task_watch(c2, SD_DONE);
SD_task_watch(t3, SD_DONE);
SD_task_watch(c3, SD_DONE);
SD_task_watch(t4, SD_DONE);
while (!xbt_dynar_is_empty((changed_tasks = SD_simulate(-1.0)))) {
XBT_INFO("link1: bw=%.0f, lat=%f", SD_route_get_bandwidth(hosts[0], hosts[1]),
SD_route_get_latency(hosts[0], hosts[1]));
XBT_INFO("Jupiter: speed=%.0f", sg_host_speed(hosts[0])* sg_host_get_available_speed(hosts[0]));
XBT_INFO("Tremblay: speed=%.0f", sg_host_speed(hosts[1])* sg_host_get_available_speed(hosts[1]));
xbt_dynar_foreach(changed_tasks, ctr, task) {
XBT_INFO("Task '%s' start time: %f, finish time: %f", SD_task_get_name(task),
SD_task_get_start_time(task), SD_task_get_finish_time(task));
if (SD_task_get_state(task)==SD_DONE)
SD_task_destroy(task);
}
}
int main(int argc, char **argv)
{
unsigned int ctr;
SD_task_t task;
xbt_dynar_t changed_tasks;
SD_init(&argc, argv);
xbt_assert(argc > 1, "Usage: %s platform_file\n\nExample: %s two_clusters.xml", argv[0], argv[0]);
SD_create_environment(argv[1]);
sg_host_t *hosts = sg_host_list();
/* creation of some typed tasks and their dependencies */
/* chain of five tasks, three compute tasks with two data transfers in between */
SD_task_t taskA = SD_task_create_comp_seq("Task A", NULL, 5e9);
SD_task_t taskB = SD_task_create_comm_e2e("Task B", NULL, 1e7);
SD_task_t taskC = SD_task_create_comp_seq("Task C", NULL, 5e9);
SD_task_t taskD = SD_task_create_comm_e2e("Task D", NULL, 1e7);
SD_task_t taskE = SD_task_create_comp_seq("Task E", NULL, 5e9);
SD_task_dependency_add(NULL, NULL, taskA, taskB);
SD_task_dependency_add(NULL, NULL, taskB, taskC);
SD_task_dependency_add(NULL, NULL, taskC, taskD);
SD_task_dependency_add(NULL, NULL, taskD, taskE);
/* Add watchpoints on completion of compute tasks */
SD_task_watch(taskA, SD_DONE);
SD_task_watch(taskC, SD_DONE);
SD_task_watch(taskE, SD_DONE);
/* Auto-schedule the compute tasks on three different workstations */
/* Data transfer tasks taskB and taskD are automagically scheduled */
SD_task_schedulel(taskA, 1, hosts[0]);
SD_task_schedulel(taskC, 1, hosts[1]);
SD_task_schedulel(taskE, 1, hosts[0]);
while (!xbt_dynar_is_empty((changed_tasks = SD_simulate(-1.0)))) {
XBT_INFO("Simulation stopped after %.4f seconds", SD_get_clock());
xbt_dynar_foreach(changed_tasks, ctr, task) {
XBT_INFO("Task '%s' start time: %f, finish time: %f", SD_task_get_name(task), SD_task_get_start_time(task),
SD_task_get_finish_time(task));
}
/* let throttle the communication for taskD if its parent is SD_DONE */
/* the bandwidth is 1.25e8, the data size is 1e7, and we want to throttle the bandwidth by a factor 2.
* The rate is then 1.25e8/(2*1e7)=6.25
* Changing the rate is possible before the task execution starts (in SD_RUNNING state).
*/
if (SD_task_get_state(taskC) == SD_DONE && SD_task_get_state(taskD) < SD_RUNNING)
SD_task_set_rate(taskD, 6.25);
}
xbt_dynar_foreach(dax, cursor, task) {
int kind = SD_task_get_kind(task);
sg_host_t *wsl = SD_task_get_workstation_list(task);
switch (kind) {
case SD_TASK_COMP_SEQ:
fprintf(out, "[%f] %s compute %f # %s\n", SD_task_get_start_time(task), sg_host_get_name(wsl[0]),
SD_task_get_amount(task), SD_task_get_name(task));
break;
case SD_TASK_COMM_E2E:
fprintf(out, "[%f] %s send %s %f # %s\n", SD_task_get_start_time(task), sg_host_get_name(wsl[0]),
sg_host_get_name(wsl[1]), SD_task_get_amount(task), SD_task_get_name(task));
fprintf(out, "[%f] %s recv %s %f # %s\n", SD_task_get_finish_time(task), sg_host_get_name(wsl[1]),
sg_host_get_name(wsl[0]), SD_task_get_amount(task), SD_task_get_name(task));
break;
default:
xbt_die("Task %s is of unknown kind %d", SD_task_get_name(task), SD_task_get_kind(task));
}
SD_task_destroy(task);
}
int main(int argc, char **argv)
{
sg_host_t host_list[2];
double computation_amount[2];
double communication_amount[4] = { 0 };
/* initialization of SD */
SD_init(&argc, argv);
xbt_assert(argc > 1, "Usage: %s platform_file\n\nExample: %s two_clusters.xml", argv[0], argv[0]);
SD_create_environment(argv[1]);
/* test the estimation functions */
const sg_host_t *hosts = sg_host_list();
sg_host_t h1 = hosts[0];
sg_host_t h2 = hosts[1];
const char *name1 = sg_host_get_name(h1);
const char *name2 = sg_host_get_name(h2);
double comp_amount1 = 2000000;
double comp_amount2 = 1000000;
double comm_amount12 = 2000000;
double comm_amount21 = 3000000;
XBT_INFO("Computation time for %f flops on %s: %f", comp_amount1, name1, comp_amount1/sg_host_speed(h1));
XBT_INFO("Computation time for %f flops on %s: %f", comp_amount2, name2, comp_amount2/sg_host_speed(h2));
XBT_INFO("Route between %s and %s:", name1, name2);
SD_link_t *route = SD_route_get_list(h1, h2);
int route_size = SD_route_get_size(h1, h2);
for (int i = 0; i < route_size; i++)
XBT_INFO(" Link %s: latency = %f, bandwidth = %f", sg_link_name(route[i]), sg_link_latency(route[i]),
sg_link_bandwidth(route[i]));
xbt_free(route);
XBT_INFO("Route latency = %f, route bandwidth = %f", SD_route_get_latency(h1, h2), SD_route_get_bandwidth(h1, h2));
XBT_INFO("Communication time for %f bytes between %s and %s: %f", comm_amount12, name1, name2,
SD_route_get_latency(h1, h2) + comm_amount12 / SD_route_get_bandwidth(h1, h2));
XBT_INFO("Communication time for %f bytes between %s and %s: %f", comm_amount21, name2, name1,
SD_route_get_latency(h2, h1) + comm_amount21 / SD_route_get_bandwidth(h2, h1));
/* creation of the tasks and their dependencies */
SD_task_t taskA = SD_task_create("Task A", NULL, 10.0);
SD_task_t taskB = SD_task_create("Task B", NULL, 40.0);
SD_task_t taskC = SD_task_create("Task C", NULL, 30.0);
SD_task_t taskD = SD_task_create("Task D", NULL, 60.0);
/* try to attach and retrieve user data to a task */
SD_task_set_data(taskA, static_cast<void*>(&comp_amount1));
if (fabs(comp_amount1 - (*(static_cast<double*>(SD_task_get_data(taskA))))) > 1e-12)
XBT_ERROR("User data was corrupted by a simple set/get");
SD_task_dependency_add(NULL, NULL, taskB, taskA);
SD_task_dependency_add(NULL, NULL, taskC, taskA);
SD_task_dependency_add(NULL, NULL, taskD, taskB);
SD_task_dependency_add(NULL, NULL, taskD, taskC);
SD_task_dependency_add(NULL, NULL, taskB, taskC);
try {
SD_task_dependency_add(NULL, NULL, taskA, taskA); /* shouldn't work and must raise an exception */
xbt_die("Hey, I can add a dependency between Task A and Task A!");
} catch (xbt_ex& ex) {
if (ex.category != arg_error)
throw; /* this is a serious error */
}
try {
SD_task_dependency_add(NULL, NULL, taskB, taskA); /* shouldn't work and must raise an exception */
xbt_die("Oh oh, I can add an already existing dependency!");
} catch (xbt_ex& ex) {
if (ex.category != arg_error)
throw;
}
try {
SD_task_dependency_remove(taskA, taskC); /* shouldn't work and must raise an exception */
xbt_die("Dude, I can remove an unknown dependency!");
} catch (xbt_ex& ex) {
if (ex.category != arg_error)
throw;
}
try {
SD_task_dependency_remove(taskC, taskC); /* shouldn't work and must raise an exception */
xbt_die("Wow, I can remove a dependency between Task C and itself!");
} catch (xbt_ex& ex) {
if (ex.category != arg_error)
throw;
}
/* if everything is ok, no exception is forwarded or rethrown by main() */
/* watch points */
SD_task_watch(taskD, SD_DONE);
SD_task_watch(taskB, SD_DONE);
SD_task_unwatch(taskD, SD_DONE);
/* scheduling parameters */
host_list[0] = h1;
host_list[1] = h2;
computation_amount[0] = comp_amount1;
computation_amount[1] = comp_amount2;
communication_amount[1] = comm_amount12;
communication_amount[2] = comm_amount21;
/* estimated time */
SD_task_t task = taskD;
XBT_INFO("Estimated time for '%s': %f", SD_task_get_name(task), SD_task_get_execution_time(task, 2, host_list,
computation_amount, communication_amount));
SD_task_schedule(taskA, 2, host_list, computation_amount, communication_amount, -1);
SD_task_schedule(taskB, 2, host_list, computation_amount, communication_amount, -1);
SD_task_schedule(taskC, 2, host_list, computation_amount, communication_amount, -1);
SD_task_schedule(taskD, 2, host_list, computation_amount, communication_amount, -1);
std::set<SD_task_t> *changed_tasks = simgrid::sd::simulate(-1.0);
for (auto task: *changed_tasks){
XBT_INFO("Task '%s' start time: %f, finish time: %f", SD_task_get_name(task),
SD_task_get_start_time(task), SD_task_get_finish_time(task));
}
XBT_DEBUG("Destroying tasks...");
SD_task_destroy(taskA);
SD_task_destroy(taskB);
SD_task_destroy(taskC);
SD_task_destroy(taskD);
XBT_DEBUG("Tasks destroyed. Exiting SimDag...");
SD_exit();
return 0;
}
int main(int argc, char **argv)
{
unsigned int ctr;
const char *platform_file;
const SD_workstation_t *workstations;
SD_task_t task, taskA, taskB, taskC, taskD, taskE;
xbt_dynar_t changed_tasks;
/* initialization of SD */
SD_init(&argc, argv);
/* xbt_log_control_set("sd.thres=debug"); */
if (argc < 2) {
XBT_INFO("Usage: %s platform_file", argv[0]);
XBT_INFO("example: %s sd_platform.xml", argv[0]);
exit(1);
}
/* creation of the environment */
platform_file = argv[1];
SD_create_environment(platform_file);
workstations = SD_workstation_get_list();
/* creation of some typed tasks and their dependencies */
/* chain of five tasks, three compute tasks with two data transfers */
/* in between */
taskA = SD_task_create_comp_seq("Task A", NULL, 5e9);
taskB = SD_task_create_comm_e2e("Task B", NULL, 1e7);
taskC = SD_task_create_comp_seq("Task C", NULL, 5e9);
taskD = SD_task_create_comm_e2e("Task D", NULL, 1e7);
taskE = SD_task_create_comp_seq("Task E", NULL, 5e9);
SD_task_dependency_add(NULL, NULL, taskA, taskB);
SD_task_dependency_add(NULL, NULL, taskB, taskC);
SD_task_dependency_add(NULL, NULL, taskC, taskD);
SD_task_dependency_add(NULL, NULL, taskD, taskE);
/* Add watchpoints on completion of compute tasks */
SD_task_watch(taskA, SD_DONE);
SD_task_watch(taskC, SD_DONE);
SD_task_watch(taskE, SD_DONE);
/* Auto-schedule the compute tasks on three different workstations */
/* Data transfer tasks taskB and taskD are automagically scheduled */
SD_task_schedulel(taskA, 1, workstations[0]);
SD_task_schedulel(taskC, 1, workstations[1]);
SD_task_schedulel(taskE, 1, workstations[0]);
while (!xbt_dynar_is_empty((changed_tasks = SD_simulate(-1.0)))) {
XBT_INFO("Simulation stopped after %.4f seconds", SD_get_clock());
xbt_dynar_foreach(changed_tasks, ctr, task) {
XBT_INFO("Task '%s' start time: %f, finish time: %f",
SD_task_get_name(task),
SD_task_get_start_time(task),
SD_task_get_finish_time(task));
}
/* let throttle the communication for taskD if its parent is SD_DONE */
/* the bandwidth is 1.25e8, the data size is 1e7, and we want to throttle
* the bandwidth by a factor 2. the rate is then 1.25e8/(2*1e7)=6.25
* Changing the rate is possible before the task execution starts (in SD_RUNNING
* state).
*/
if (SD_task_get_state(taskC) == SD_DONE && SD_task_get_state(taskD) < SD_RUNNING)
SD_task_set_rate(taskD, 6.25);
xbt_dynar_free_container(&changed_tasks);
}
int main(int argc, char **argv)
{
double computation_amount[1];
double communication_amount[2] = { 0 };
sg_host_t hosts[1];
/* initialization of SD */
SD_init(&argc, argv);
/* creation of the environment */
SD_create_environment(argv[1]);
/* creation of a single task that will poorly fail when the workstation will stop */
XBT_INFO("First test: COMP_SEQ task");
SD_task_t task = SD_task_create_comp_seq("Poor task", NULL, 2e10);
SD_task_watch(task, SD_FAILED);
SD_task_watch(task, SD_DONE);
XBT_INFO("Schedule task '%s' on 'Faulty Host'", SD_task_get_name(task));
SD_task_schedulel(task, 1, sg_host_by_name("Faulty Host"));
xbt_dynar_t tasks = SD_simulate(-1.0);
xbt_dynar_free(&tasks);
SD_task_dump(task);
XBT_INFO("Task '%s' has failed. %.f flops remain to be done", SD_task_get_name(task),
SD_task_get_remaining_amount(task));
XBT_INFO("let's unschedule task '%s' and reschedule it on the 'Safe Host'", SD_task_get_name(task));
SD_task_unschedule(task);
SD_task_schedulel(task, 1, sg_host_by_name("Safe Host"));
XBT_INFO("Run the simulation again");
tasks = SD_simulate(-1.0);
xbt_dynar_free(&tasks);
SD_task_dump(task);
XBT_INFO("Task '%s' start time: %f, finish time: %f", SD_task_get_name(task), SD_task_get_start_time(task),
SD_task_get_finish_time(task));
SD_task_destroy(task);
task=NULL;
XBT_INFO("Second test: NON TYPED task");
task = SD_task_create("Poor parallel task", NULL, 2e10);
SD_task_watch(task, SD_FAILED);
SD_task_watch(task, SD_DONE);
computation_amount[0] = 2e10;
XBT_INFO("Schedule task '%s' on 'Faulty Host'", SD_task_get_name(task));
hosts[0] = sg_host_by_name("Faulty Host");
SD_task_schedule(task, 1, hosts, computation_amount, communication_amount,-1);
tasks = SD_simulate(-1.0);
xbt_dynar_free(&tasks);
SD_task_dump(task);
XBT_INFO("Task '%s' has failed. %.f flops remain to be done", SD_task_get_name(task),
SD_task_get_remaining_amount(task));
XBT_INFO("let's unschedule task '%s' and reschedule it on the 'Safe Host'", SD_task_get_name(task));
SD_task_unschedule(task);
hosts[0] = sg_host_by_name("Safe Host");
SD_task_schedule(task, 1, hosts, computation_amount, communication_amount,-1);
XBT_INFO("Run the simulation again");
tasks = SD_simulate(-1.0);
xbt_dynar_free(&tasks);
SD_task_dump(task);
XBT_INFO("Task '%s' start time: %f, finish time: %f", SD_task_get_name(task), SD_task_get_start_time(task),
SD_task_get_finish_time(task));
SD_task_destroy(task);
SD_exit();
return 0;
}
int main(int argc, char **argv)
{
int i;
unsigned int ctr;
const char *platform_file;
const SD_workstation_t *workstations;
const char *name1;
const char *name2;
double computation_amount1;
double computation_amount2;
double communication_amount12;
double communication_amount21;
const SD_link_t *route;
int route_size;
SD_task_t task, taskA, taskB, taskC, taskD, checkB, checkD;
xbt_dynar_t changed_tasks;
xbt_ex_t ex;
const int workstation_number = 2;
SD_workstation_t workstation_list[2];
double computation_amount[2];
double communication_amount[4] = { 0 };
double rate = -1.0;
SD_workstation_t w1, w2;
/* initialization of SD */
SD_init(&argc, argv);
/* xbt_log_control_set("sd.thres=debug"); */
if (argc < 2) {
XBT_INFO("Usage: %s platform_file", argv[0]);
XBT_INFO("example: %s sd_platform.xml", argv[0]);
exit(1);
}
/* creation of the environment */
platform_file = argv[1];
SD_create_environment(platform_file);
/* test the estimation functions */
workstations = SD_workstation_get_list();
w1 = workstations[0];
w2 = workstations[1];
SD_workstation_set_access_mode(w2, SD_WORKSTATION_SEQUENTIAL_ACCESS);
name1 = SD_workstation_get_name(w1);
name2 = SD_workstation_get_name(w2);
computation_amount1 = 2000000;
computation_amount2 = 1000000;
communication_amount12 = 2000000;
communication_amount21 = 3000000;
XBT_INFO("Computation time for %f flops on %s: %f", computation_amount1,
name1, SD_workstation_get_computation_time(w1,
computation_amount1));
XBT_INFO("Computation time for %f flops on %s: %f", computation_amount2,
name2, SD_workstation_get_computation_time(w2,
computation_amount2));
XBT_INFO("Route between %s and %s:", name1, name2);
route = SD_route_get_list(w1, w2);
route_size = SD_route_get_size(w1, w2);
for (i = 0; i < route_size; i++) {
XBT_INFO(" Link %s: latency = %f, bandwidth = %f",
SD_link_get_name(route[i]),
SD_link_get_current_latency(route[i]),
SD_link_get_current_bandwidth(route[i]));
}
XBT_INFO("Route latency = %f, route bandwidth = %f",
SD_route_get_current_latency(w1, w2),
SD_route_get_current_bandwidth(w1, w2));
XBT_INFO("Communication time for %f bytes between %s and %s: %f",
communication_amount12, name1, name2,
SD_route_get_communication_time(w1, w2, communication_amount12));
XBT_INFO("Communication time for %f bytes between %s and %s: %f",
communication_amount21, name2, name1,
SD_route_get_communication_time(w2, w1, communication_amount21));
/* creation of the tasks and their dependencies */
taskA = SD_task_create("Task A", NULL, 10.0);
taskB = SD_task_create("Task B", NULL, 40.0);
taskC = SD_task_create("Task C", NULL, 30.0);
taskD = SD_task_create("Task D", NULL, 60.0);
/* try to attach and retrieve user data to a task */
SD_task_set_data(taskA, (void*) &computation_amount1);
if (computation_amount1 != (*((double*) SD_task_get_data(taskA))))
XBT_ERROR("User data was corrupted by a simple set/get");
SD_task_dependency_add(NULL, NULL, taskB, taskA);
SD_task_dependency_add(NULL, NULL, taskC, taskA);
SD_task_dependency_add(NULL, NULL, taskD, taskB);
SD_task_dependency_add(NULL, NULL, taskD, taskC);
/* SD_task_dependency_add(NULL, NULL, taskA, taskD); /\* deadlock */
TRY {
SD_task_dependency_add(NULL, NULL, taskA, taskA); /* shouldn't work and must raise an exception */
xbt_die("Hey, I can add a dependency between Task A and Task A!");
}
CATCH(ex) {
if (ex.category != arg_error)
RETHROW; /* this is a serious error */
xbt_ex_free(ex);
}
TRY {
SD_task_dependency_add(NULL, NULL, taskB, taskA); /* shouldn't work and must raise an exception */
xbt_die("Oh oh, I can add an already existing dependency!");
}
CATCH(ex) {
if (ex.category != arg_error)
RETHROW;
xbt_ex_free(ex);
}
TRY {
SD_task_dependency_remove(taskA, taskC); /* shouldn't work and must raise an exception */
xbt_die("Dude, I can remove an unknown dependency!");
}
CATCH(ex) {
if (ex.category != arg_error)
RETHROW;
xbt_ex_free(ex);
}
TRY {
SD_task_dependency_remove(taskC, taskC); /* shouldn't work and must raise an exception */
xbt_die("Wow, I can remove a dependency between Task C and itself!");
}
CATCH(ex) {
if (ex.category != arg_error)
RETHROW;
xbt_ex_free(ex);
}
/* if everything is ok, no exception is forwarded or rethrown by main() */
/* watch points */
SD_task_watch(taskD, SD_DONE);
SD_task_watch(taskB, SD_DONE);
SD_task_unwatch(taskD, SD_DONE);
/* scheduling parameters */
workstation_list[0] = w1;
workstation_list[1] = w2;
computation_amount[0] = computation_amount1;
computation_amount[1] = computation_amount2;
communication_amount[1] = communication_amount12;
communication_amount[2] = communication_amount21;
/* estimated time */
task = taskD;
XBT_INFO("Estimated time for '%s': %f", SD_task_get_name(task),
SD_task_get_execution_time(task, workstation_number,
workstation_list, computation_amount,
communication_amount));
/* let's launch the simulation! */
SD_task_schedule(taskA, workstation_number, workstation_list,
computation_amount, communication_amount, rate);
SD_task_schedule(taskB, workstation_number, workstation_list,
computation_amount, communication_amount, rate);
SD_task_schedule(taskC, workstation_number, workstation_list,
computation_amount, communication_amount, rate);
SD_task_schedule(taskD, workstation_number, workstation_list,
computation_amount, communication_amount, rate);
changed_tasks = SD_simulate(-1.0);
xbt_dynar_foreach(changed_tasks, ctr, task) {
XBT_INFO("Task '%s' start time: %f, finish time: %f",
SD_task_get_name(task),
SD_task_get_start_time(task), SD_task_get_finish_time(task));
}
