/* 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 "xbt/sysdep.h"
#include <simgrid/s4u.hpp>
-#include <string>
XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_app_masterworker, "Messages specific for this s4u example");
class Master {
- long number_of_tasks = 0; /* - Number of tasks */
- double comp_size = 0; /* - Task compute cost */
- double comm_size = 0; /* - Task communication size */
- long workers_count = 0; /* - Number of workers */
+ long tasks_count = 0;
+ double compute_cost = 0;
+ double communicate_cost = 0;
+ long workers_count = 0;
simgrid::s4u::MailboxPtr mailbox = nullptr;
public:
explicit Master(std::vector<std::string> args)
{
- xbt_assert(args.size() == 5, "The master function expects 4 arguments from the XML deployment file");
+ xbt_assert(args.size() == 5, "The master actor expects 4 arguments from the XML deployment file");
- number_of_tasks = std::stol(args[1]);
- comp_size = std::stod(args[2]);
- comm_size = std::stod(args[3]);
- workers_count = std::stol(args[4]);
+ workers_count = std::stol(args[1]);
+ tasks_count = std::stol(args[2]);
+ compute_cost = std::stod(args[3]);
+ communicate_cost = std::stod(args[4]);
- XBT_INFO("Got %ld workers and %ld tasks to process", workers_count, number_of_tasks);
+ XBT_INFO("Got %ld workers and %ld tasks to process", workers_count, tasks_count);
}
void operator()()
{
- for (int i = 0; i < number_of_tasks; i++) { /* For each task to be executed: */
- /* - Select a @ref worker in a round-robin way */
+ for (int i = 0; i < tasks_count; i++) { /* For each task to be executed: */
+ /* - Select a worker in a round-robin way */
mailbox = simgrid::s4u::Mailbox::by_name(std::string("worker-") + std::to_string(i % workers_count));
- if (number_of_tasks < 10000 || (number_of_tasks < 100000 && i % 10000 == 0) || i % 100000 == 0)
- XBT_INFO("Sending \"%s\" (of %ld) to mailbox \"%s\"", (std::string("Task_") + std::to_string(i)).c_str(),
- number_of_tasks, mailbox->get_cname());
-
- /* - Send the computation amount to the @ref worker */
- mailbox->put(new double(comp_size), comm_size);
+ /* - Send the computation amount to the worker */
+ if (tasks_count < 10000 || (tasks_count < 100000 && i % 10000 == 0) || i % 100000 == 0)
+ XBT_INFO("Sending task %d of %ld to mailbox '%s'", i, tasks_count, mailbox->get_cname());
+ mailbox->put(new double(compute_cost), communicate_cost);
}
- XBT_INFO("All tasks have been dispatched. Let's tell everybody the computation is over.");
+ XBT_INFO("All tasks have been dispatched. Request all workers to stop.");
for (int i = 0; i < workers_count; i++) {
- /* - Eventually tell all the workers to stop by sending a "finalize" task */
- mailbox = simgrid::s4u::Mailbox::by_name(std::string("worker-") + std::to_string(i % workers_count));
+ /* The workers stop when receiving a negative compute_cost */
+ mailbox = simgrid::s4u::Mailbox::by_name(std::string("worker-") + std::to_string(i));
mailbox->put(new double(-1.0), 0);
}
}
void operator()()
{
- while (1) { /* The worker waits in an infinite loop for tasks sent by the @ref master */
- double* task = static_cast<double*>(mailbox->get());
- xbt_assert(task != nullptr, "mailbox->get() failed");
- double comp_size = *task;
- delete task;
- if (comp_size < 0) { /* - Exit when -1.0 is received */
- XBT_INFO("I'm done. See you!");
- break;
- }
- /* - Otherwise, process the task */
- simgrid::s4u::this_actor::execute(comp_size);
- }
+ double compute_cost;
+ do {
+ double* msg = static_cast<double*>(mailbox->get());
+ compute_cost = *msg;
+ delete msg;
+
+ if (compute_cost > 0) /* If compute_cost is valid, execute a computation of that cost */
+ simgrid::s4u::this_actor::execute(compute_cost);
+
+ } while (compute_cost > 0); /* Stop when receiving an invalid compute_cost */
+
+ XBT_INFO("Exiting now.");
}
};
int main(int argc, char* argv[])
{
simgrid::s4u::Engine e(&argc, argv);
- xbt_assert(argc > 2,
- "Usage: %s platform_file deployment_file\n"
- "\tExample: %s msg_platform.xml msg_deployment.xml\n",
- argv[0], argv[0]);
+ xbt_assert(argc > 2, "Usage: %s platform_file deployment_file\n", argv[0]);
- e.load_platform(argv[1]); /* Load the platform description */
- e.register_actor<Master>("master"); /* Register the class representing the actors */
+ /* Register the classes representing the actors */
+ e.register_actor<Master>("master");
e.register_actor<Worker>("worker");
- e.load_deployment(argv[2]); /* Deploy the application */
- e.run(); /** - Run the simulation */
+ /* Load the platform description and then deploy the application */
+ e.load_platform(argv[1]);
+ e.load_deployment(argv[2]);
+
+ /* Run the simulation */
+ e.run();
- XBT_INFO("Simulation time %g", e.get_clock());
+ XBT_INFO("Simulation is over");
return 0;
}
/* 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 "xbt/sysdep.h"
#include <simgrid/s4u.hpp>
-#include <string>
-XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_app_masterworker, "Messages specific for this s4u example");
+XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_app_masterworker, "Messages specific for this example");
static void master(std::vector<std::string> args)
{
- xbt_assert(args.size() == 5, "The master function expects 4 arguments from the XML deployment file");
+ xbt_assert(args.size() == 5, "The master function expects 4 arguments");
- long number_of_tasks = std::stol(args[1]);
- double comp_size = std::stod(args[2]); /* - Task compute cost */
- double comm_size = std::stod(args[3]); /* - Task communication size */
- long workers_count = std::stol(args[4]);
+ long workers_count = std::stol(args[1]);
+ long tasks_count = std::stol(args[2]);
+ double compute_cost = std::stod(args[3]);
+ double communication_cost = std::stod(args[4]);
- XBT_INFO("Got %ld workers and %ld tasks to process", workers_count, number_of_tasks);
+ XBT_INFO("Got %ld workers and %ld tasks to process", workers_count, tasks_count);
- simgrid::s4u::MailboxPtr mailbox = nullptr;
+ for (int i = 0; i < tasks_count; i++) { /* For each task to be executed: */
+ /* - Select a worker in a round-robin way */
+ std::string worker_rank = std::to_string(i % workers_count);
+ std::string mailbox_name = std::string("worker-") + worker_rank;
+ simgrid::s4u::MailboxPtr mailbox = simgrid::s4u::Mailbox::by_name(mailbox_name);
- for (int i = 0; i < number_of_tasks; i++) { /* For each task to be executed: */
- /* - Select a @ref worker in a round-robin way */
- mailbox = simgrid::s4u::Mailbox::by_name(std::string("worker-") + std::to_string(i % workers_count));
-
- if (number_of_tasks < 10000 || (number_of_tasks < 100000 && i % 10000 == 0) || i % 100000 == 0)
- XBT_INFO("Sending \"%s\" (of %ld) to mailbox \"%s\"", (std::string("Task_") + std::to_string(i)).c_str(),
- number_of_tasks, mailbox->get_cname());
-
- /* - Send the computation amount to the @ref worker */
- mailbox->put(new double(comp_size), comm_size);
+ /* - Send the computation cost to that worker */
+ XBT_INFO("Sending task %d of %ld to mailbox '%s'", i, tasks_count, mailbox->get_cname());
+ mailbox->put(new double(compute_cost), communication_cost);
}
- XBT_INFO("All tasks have been dispatched. Let's tell everybody the computation is over.");
+ XBT_INFO("All tasks have been dispatched. Request all workers to stop.");
for (int i = 0; i < workers_count; i++) {
- /* - Eventually tell all the workers to stop by sending a "finalize" task */
- mailbox = simgrid::s4u::Mailbox::by_name(std::string("worker-") + std::to_string(i % workers_count));
+ /* The workers stop when receiving a negative compute_cost */
+ std::string mailbox_name = std::string("worker-") + std::to_string(i);
+ simgrid::s4u::MailboxPtr mailbox = simgrid::s4u::Mailbox::by_name(mailbox_name);
+
mailbox->put(new double(-1.0), 0);
}
}
static void worker(std::vector<std::string> args)
{
- xbt_assert(args.size() == 2, "The worker expects a single argument from the XML deployment file: "
- "its worker ID (its numerical rank)");
+ xbt_assert(args.size() == 2, "The worker expects a single argument");
long id = std::stol(args[1]);
- simgrid::s4u::MailboxPtr mailbox = simgrid::s4u::Mailbox::by_name(std::string("worker-") + std::to_string(id));
-
- while (1) { /* The worker waits in an infinite loop for tasks sent by the @ref master */
- double* task = static_cast<double*>(mailbox->get());
- xbt_assert(task != nullptr, "mailbox->get() failed");
- double comp_size = *task;
- delete task;
- if (comp_size < 0) { /* - Exit when -1.0 is received */
- XBT_INFO("I'm done. See you!");
- break;
- }
- /* - Otherwise, process the task */
- simgrid::s4u::this_actor::execute(comp_size);
- }
+
+ const std::string mailbox_name = std::string("worker-") + std::to_string(id);
+ simgrid::s4u::MailboxPtr mailbox = simgrid::s4u::Mailbox::by_name(mailbox_name);
+
+ double compute_cost;
+ do {
+ double* msg = static_cast<double*>(mailbox->get());
+ compute_cost = *msg;
+ delete msg;
+
+ if (compute_cost > 0) /* If compute_cost is valid, execute a computation of that cost */
+ simgrid::s4u::this_actor::execute(compute_cost);
+
+ } while (compute_cost > 0); /* Stop when receiving an invalid compute_cost */
+
+ XBT_INFO("Exiting now.");
}
int main(int argc, char* argv[])
{
simgrid::s4u::Engine e(&argc, argv);
- xbt_assert(argc > 2,
- "Usage: %s platform_file deployment_file\n"
- "\tExample: %s msg_platform.xml msg_deployment.xml\n",
- argv[0], argv[0]);
+ xbt_assert(argc > 2, "Usage: %s platform_file deployment_file\n", argv[0]);
- e.load_platform(argv[1]); /* Load the platform description */
+ /* Register the functions representing the actors */
e.register_function("master", &master);
e.register_function("worker", &worker);
- e.load_deployment(argv[2]); /* Deploy the application */
- e.run(); /** - Run the simulation */
+ /* Load the platform description and then deploy the application */
+ e.load_platform(argv[1]);
+ e.load_deployment(argv[2]);
+
+ /* Run the simulation */
+ e.run();
- XBT_INFO("Simulation time %g", e.get_clock());
+ XBT_INFO("Simulation is over");
return 0;
}
p Testing a simple master/workers example application
! output sort 19
-$ $SG_TEST_EXENV ${bindir:=.}/s4u-app-masterworkers-class$EXEEXT ${platfdir}/small_platform_with_routers.xml s4u-app-masterworkers_d.xml --cfg=network/crosstraffic:0 --trace "--log=root.fmt:[%10.6r]%e(%P@%h)%e%m%n"
-> [ 0.000000] (maestro@) Configuration change: Set 'network/crosstraffic' to '0'
+$ $SG_TEST_EXENV ${bindir:=.}/s4u-app-masterworkers-class$EXEEXT ${platfdir}/small_platform.xml s4u-app-masterworkers_d.xml --trace "--log=root.fmt:[%10.6r]%e(%P@%h)%e%m%n"
> [ 0.000000] (master@Tremblay) Got 5 workers and 20 tasks to process
-> [ 0.000000] (master@Tremblay) Sending "Task_0" (of 20) to mailbox "worker-0"
-> [ 0.002265] (master@Tremblay) Sending "Task_1" (of 20) to mailbox "worker-1"
-> [ 0.164270] (master@Tremblay) Sending "Task_2" (of 20) to mailbox "worker-2"
-> [ 0.316349] (master@Tremblay) Sending "Task_3" (of 20) to mailbox "worker-3"
-> [ 0.434977] (master@Tremblay) Sending "Task_4" (of 20) to mailbox "worker-4"
-> [ 0.562492] (master@Tremblay) Sending "Task_5" (of 20) to mailbox "worker-0"
-> [ 0.564757] (master@Tremblay) Sending "Task_6" (of 20) to mailbox "worker-1"
-> [ 0.981618] (master@Tremblay) Sending "Task_7" (of 20) to mailbox "worker-2"
-> [ 1.133696] (master@Tremblay) Sending "Task_8" (of 20) to mailbox "worker-3"
-> [ 1.584703] (master@Tremblay) Sending "Task_9" (of 20) to mailbox "worker-4"
-> [ 1.721105] (master@Tremblay) Sending "Task_10" (of 20) to mailbox "worker-0"
-> [ 1.723370] (master@Tremblay) Sending "Task_11" (of 20) to mailbox "worker-1"
-> [ 1.885375] (master@Tremblay) Sending "Task_12" (of 20) to mailbox "worker-2"
-> [ 2.037454] (master@Tremblay) Sending "Task_13" (of 20) to mailbox "worker-3"
-> [ 2.734429] (master@Tremblay) Sending "Task_14" (of 20) to mailbox "worker-4"
-> [ 2.879718] (master@Tremblay) Sending "Task_15" (of 20) to mailbox "worker-0"
-> [ 2.881983] (master@Tremblay) Sending "Task_16" (of 20) to mailbox "worker-1"
-> [ 3.043989] (master@Tremblay) Sending "Task_17" (of 20) to mailbox "worker-2"
-> [ 3.196067] (master@Tremblay) Sending "Task_18" (of 20) to mailbox "worker-3"
-> [ 3.884155] (master@Tremblay) Sending "Task_19" (of 20) to mailbox "worker-4"
-> [ 4.038331] (master@Tremblay) All tasks have been dispatched. Let's tell everybody the computation is over.
-> [ 4.038526] (worker@Tremblay) I'm done. See you!
-> [ 4.057541] (worker@Jupiter) I'm done. See you!
-> [ 4.083249] (worker@Fafard) I'm done. See you!
-> [ 4.931805] (worker@Ginette) I'm done. See you!
-> [ 5.094868] (maestro@) Simulation time 5.09487
-> [ 5.094868] (worker@Bourassa) I'm done. See you!
+> [ 0.000000] (master@Tremblay) Sending task 0 of 20 to mailbox 'worker-0'
+> [ 0.002265] (master@Tremblay) Sending task 1 of 20 to mailbox 'worker-1'
+> [ 0.171420] (master@Tremblay) Sending task 2 of 20 to mailbox 'worker-2'
+> [ 0.329817] (master@Tremblay) Sending task 3 of 20 to mailbox 'worker-3'
+> [ 0.453549] (master@Tremblay) Sending task 4 of 20 to mailbox 'worker-4'
+> [ 0.586168] (master@Tremblay) Sending task 5 of 20 to mailbox 'worker-0'
+> [ 0.588433] (master@Tremblay) Sending task 6 of 20 to mailbox 'worker-1'
+> [ 0.995917] (master@Tremblay) Sending task 7 of 20 to mailbox 'worker-2'
+> [ 1.154314] (master@Tremblay) Sending task 8 of 20 to mailbox 'worker-3'
+> [ 1.608379] (master@Tremblay) Sending task 9 of 20 to mailbox 'worker-4'
+> [ 1.749885] (master@Tremblay) Sending task 10 of 20 to mailbox 'worker-0'
+> [ 1.752150] (master@Tremblay) Sending task 11 of 20 to mailbox 'worker-1'
+> [ 1.921304] (master@Tremblay) Sending task 12 of 20 to mailbox 'worker-2'
+> [ 2.079701] (master@Tremblay) Sending task 13 of 20 to mailbox 'worker-3'
+> [ 2.763209] (master@Tremblay) Sending task 14 of 20 to mailbox 'worker-4'
+> [ 2.913601] (master@Tremblay) Sending task 15 of 20 to mailbox 'worker-0'
+> [ 2.915867] (master@Tremblay) Sending task 16 of 20 to mailbox 'worker-1'
+> [ 3.085021] (master@Tremblay) Sending task 17 of 20 to mailbox 'worker-2'
+> [ 3.243418] (master@Tremblay) Sending task 18 of 20 to mailbox 'worker-3'
+> [ 3.918038] (master@Tremblay) Sending task 19 of 20 to mailbox 'worker-4'
+> [ 4.077318] (master@Tremblay) All tasks have been dispatched. Request all workers to stop.
+> [ 4.077513] (worker@Tremblay) Exiting now.
+> [ 4.096528] (worker@Jupiter) Exiting now.
+> [ 4.122236] (worker@Fafard) Exiting now.
+> [ 4.965689] (worker@Ginette) Exiting now.
+> [ 5.133855] (maestro@) Simulation is over
+> [ 5.133855] (worker@Bourassa) Exiting now.
! output sort 19
-$ $SG_TEST_EXENV ${bindir:=.}/s4u-app-masterworkers-fun$EXEEXT ${platfdir}/small_platform_with_routers.xml s4u-app-masterworkers_d.xml --cfg=network/crosstraffic:0 --trace "--log=root.fmt:[%10.6r]%e(%P@%h)%e%m%n"
-> [ 0.000000] (maestro@) Configuration change: Set 'network/crosstraffic' to '0'
+$ $SG_TEST_EXENV ${bindir:=.}/s4u-app-masterworkers-fun$EXEEXT ${platfdir}/small_platform.xml s4u-app-masterworkers_d.xml --trace "--log=root.fmt:[%10.6r]%e(%P@%h)%e%m%n"
> [ 0.000000] (master@Tremblay) Got 5 workers and 20 tasks to process
-> [ 0.000000] (master@Tremblay) Sending "Task_0" (of 20) to mailbox "worker-0"
-> [ 0.002265] (master@Tremblay) Sending "Task_1" (of 20) to mailbox "worker-1"
-> [ 0.164270] (master@Tremblay) Sending "Task_2" (of 20) to mailbox "worker-2"
-> [ 0.316349] (master@Tremblay) Sending "Task_3" (of 20) to mailbox "worker-3"
-> [ 0.434977] (master@Tremblay) Sending "Task_4" (of 20) to mailbox "worker-4"
-> [ 0.562492] (master@Tremblay) Sending "Task_5" (of 20) to mailbox "worker-0"
-> [ 0.564757] (master@Tremblay) Sending "Task_6" (of 20) to mailbox "worker-1"
-> [ 0.981618] (master@Tremblay) Sending "Task_7" (of 20) to mailbox "worker-2"
-> [ 1.133696] (master@Tremblay) Sending "Task_8" (of 20) to mailbox "worker-3"
-> [ 1.584703] (master@Tremblay) Sending "Task_9" (of 20) to mailbox "worker-4"
-> [ 1.721105] (master@Tremblay) Sending "Task_10" (of 20) to mailbox "worker-0"
-> [ 1.723370] (master@Tremblay) Sending "Task_11" (of 20) to mailbox "worker-1"
-> [ 1.885375] (master@Tremblay) Sending "Task_12" (of 20) to mailbox "worker-2"
-> [ 2.037454] (master@Tremblay) Sending "Task_13" (of 20) to mailbox "worker-3"
-> [ 2.734429] (master@Tremblay) Sending "Task_14" (of 20) to mailbox "worker-4"
-> [ 2.879718] (master@Tremblay) Sending "Task_15" (of 20) to mailbox "worker-0"
-> [ 2.881983] (master@Tremblay) Sending "Task_16" (of 20) to mailbox "worker-1"
-> [ 3.043989] (master@Tremblay) Sending "Task_17" (of 20) to mailbox "worker-2"
-> [ 3.196067] (master@Tremblay) Sending "Task_18" (of 20) to mailbox "worker-3"
-> [ 3.884155] (master@Tremblay) Sending "Task_19" (of 20) to mailbox "worker-4"
-> [ 4.038331] (master@Tremblay) All tasks have been dispatched. Let's tell everybody the computation is over.
-> [ 4.038526] (worker@Tremblay) I'm done. See you!
-> [ 4.057541] (worker@Jupiter) I'm done. See you!
-> [ 4.083249] (worker@Fafard) I'm done. See you!
-> [ 4.931805] (worker@Ginette) I'm done. See you!
-> [ 5.094868] (maestro@) Simulation time 5.09487
-> [ 5.094868] (worker@Bourassa) I'm done. See you!
+> [ 0.000000] (master@Tremblay) Sending task 0 of 20 to mailbox 'worker-0'
+> [ 0.002265] (master@Tremblay) Sending task 1 of 20 to mailbox 'worker-1'
+> [ 0.171420] (master@Tremblay) Sending task 2 of 20 to mailbox 'worker-2'
+> [ 0.329817] (master@Tremblay) Sending task 3 of 20 to mailbox 'worker-3'
+> [ 0.453549] (master@Tremblay) Sending task 4 of 20 to mailbox 'worker-4'
+> [ 0.586168] (master@Tremblay) Sending task 5 of 20 to mailbox 'worker-0'
+> [ 0.588433] (master@Tremblay) Sending task 6 of 20 to mailbox 'worker-1'
+> [ 0.995917] (master@Tremblay) Sending task 7 of 20 to mailbox 'worker-2'
+> [ 1.154314] (master@Tremblay) Sending task 8 of 20 to mailbox 'worker-3'
+> [ 1.608379] (master@Tremblay) Sending task 9 of 20 to mailbox 'worker-4'
+> [ 1.749885] (master@Tremblay) Sending task 10 of 20 to mailbox 'worker-0'
+> [ 1.752150] (master@Tremblay) Sending task 11 of 20 to mailbox 'worker-1'
+> [ 1.921304] (master@Tremblay) Sending task 12 of 20 to mailbox 'worker-2'
+> [ 2.079701] (master@Tremblay) Sending task 13 of 20 to mailbox 'worker-3'
+> [ 2.763209] (master@Tremblay) Sending task 14 of 20 to mailbox 'worker-4'
+> [ 2.913601] (master@Tremblay) Sending task 15 of 20 to mailbox 'worker-0'
+> [ 2.915867] (master@Tremblay) Sending task 16 of 20 to mailbox 'worker-1'
+> [ 3.085021] (master@Tremblay) Sending task 17 of 20 to mailbox 'worker-2'
+> [ 3.243418] (master@Tremblay) Sending task 18 of 20 to mailbox 'worker-3'
+> [ 3.918038] (master@Tremblay) Sending task 19 of 20 to mailbox 'worker-4'
+> [ 4.077318] (master@Tremblay) All tasks have been dispatched. Request all workers to stop.
+> [ 4.077513] (worker@Tremblay) Exiting now.
+> [ 4.096528] (worker@Jupiter) Exiting now.
+> [ 4.122236] (worker@Fafard) Exiting now.
+> [ 4.965689] (worker@Ginette) Exiting now.
+> [ 5.133855] (maestro@) Simulation is over
+> [ 5.133855] (worker@Bourassa) Exiting now.
<platform version="4.1">
<!-- The master actor (with some arguments) -->
<actor host="Tremblay" function="master">
- <argument value="20"/> <!-- Number of tasks -->
+ <argument value="5"/> <!-- Number of workers -->
+ <argument value="20"/> <!-- Number of tasks -->
<argument value="50000000"/> <!-- Computation size of tasks -->
<argument value="1000000"/> <!-- Communication size of tasks -->
- <argument value="5"/> <!-- Number of workers -->
</actor>
<!-- The worker processes (with mailbox to listen on as argument) -->
<actor host="Tremblay" function="worker" on_failure="RESTART">
