X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/347996b4a10c4e8579080692afa60e0afb88b60a..417742f1c7f6545db82079acd702fde03547d400:/examples/msg/cloud/multicore.c diff --git a/examples/msg/cloud/multicore.c b/examples/msg/cloud/multicore.c index c6bd09f7c0..c8ad9f60fc 100644 --- a/examples/msg/cloud/multicore.c +++ b/examples/msg/cloud/multicore.c @@ -4,19 +4,9 @@ /* 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 #include "simgrid/msg.h" -#include "xbt/sysdep.h" /* calloc, printf */ - -/* Create a log channel to have nice outputs. */ -#include "xbt/log.h" -#include "xbt/asserts.h" XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test, "Messages specific for this msg example"); - - - - static int worker_main(int argc, char *argv[]) { msg_task_t task = MSG_process_get_data(MSG_process_self()); @@ -27,21 +17,18 @@ static int worker_main(int argc, char *argv[]) return 0; } - struct task_data { msg_task_t task; double prev_computation_amount; double prev_clock; }; - static void task_data_init_clock(struct task_data *t) { t->prev_computation_amount = MSG_task_get_flops_amount(t->task); t->prev_clock = MSG_get_clock(); } - static void task_data_get_clock(struct task_data *t) { double now_computation_amount = MSG_task_get_flops_amount(t->task); @@ -56,7 +43,6 @@ static void task_data_get_clock(struct task_data *t) t->prev_clock = now_clock; } - static void test_pm_pin(void) { xbt_dynar_t hosts_dynar = MSG_hosts_as_dynar(); @@ -64,7 +50,6 @@ static void test_pm_pin(void) msg_host_t pm1 = xbt_dynar_get_as(hosts_dynar, 1, msg_host_t); msg_host_t pm2 = xbt_dynar_get_as(hosts_dynar, 2, msg_host_t); - struct task_data t1; struct task_data t2; struct task_data t3; @@ -80,7 +65,6 @@ static void test_pm_pin(void) MSG_process_create("worker3", worker_main, t3.task, pm1); MSG_process_create("worker4", worker_main, t4.task, pm1); - XBT_INFO("## 1. start 4 tasks on PM1 (2 cores)"); task_data_init_clock(&t1); task_data_init_clock(&t2); @@ -93,7 +77,6 @@ static void test_pm_pin(void) task_data_get_clock(&t3); task_data_get_clock(&t4); - XBT_INFO("## 2. pin all tasks to CPU0"); MSG_task_set_affinity(t1.task, pm1, 0x01); MSG_task_set_affinity(t2.task, pm1, 0x01); @@ -106,7 +89,6 @@ static void test_pm_pin(void) task_data_get_clock(&t3); task_data_get_clock(&t4); - XBT_INFO("## 3. clear the affinity of task4"); MSG_task_set_affinity(t4.task, pm1, 0); @@ -116,7 +98,6 @@ static void test_pm_pin(void) task_data_get_clock(&t3); task_data_get_clock(&t4); - XBT_INFO("## 4. clear the affinity of task3"); MSG_task_set_affinity(t3.task, pm1, 0); @@ -126,7 +107,6 @@ static void test_pm_pin(void) task_data_get_clock(&t3); task_data_get_clock(&t4); - XBT_INFO("## 5. clear the affinity of task2"); MSG_task_set_affinity(t2.task, pm1, 0); @@ -136,7 +116,6 @@ static void test_pm_pin(void) task_data_get_clock(&t3); task_data_get_clock(&t4); - XBT_INFO("## 6. pin all tasks to CPU0 of another PM (no effect now)"); MSG_task_set_affinity(t1.task, pm0, 0); MSG_task_set_affinity(t2.task, pm0, 0); @@ -149,8 +128,6 @@ static void test_pm_pin(void) task_data_get_clock(&t3); task_data_get_clock(&t4); - - MSG_task_cancel(t1.task); MSG_task_cancel(t2.task); MSG_task_cancel(t3.task); @@ -162,7 +139,6 @@ static void test_pm_pin(void) MSG_task_destroy(t4.task); } - static void test_vm_pin(void) { xbt_dynar_t hosts_dynar = MSG_hosts_as_dynar(); @@ -170,7 +146,6 @@ static void test_vm_pin(void) msg_host_t pm1 = xbt_dynar_get_as(hosts_dynar, 1, msg_host_t); // 2 cores msg_host_t pm2 = xbt_dynar_get_as(hosts_dynar, 2, msg_host_t); // 4 cores - /* set up VMs on PM2 (4 cores) */ msg_vm_t vm0 = MSG_vm_create_core(pm2, "VM0"); msg_vm_t vm1 = MSG_vm_create_core(pm2, "VM1"); @@ -193,7 +168,6 @@ static void test_vm_pin(void) MSG_vm_start(vm2); MSG_vm_start(vm3); - /* set up tasks and processes */ struct task_data t0; struct task_data t1; @@ -210,7 +184,6 @@ static void test_vm_pin(void) MSG_process_create("worker2", worker_main, t2.task, vm2); MSG_process_create("worker3", worker_main, t3.task, vm3); - /* start experiments */ XBT_INFO("## 1. start 4 VMs on PM2 (4 cores)"); task_data_init_clock(&t0); @@ -224,7 +197,6 @@ static void test_vm_pin(void) task_data_get_clock(&t2); task_data_get_clock(&t3); - XBT_INFO("## 2. pin all VMs to CPU0 of PM2"); MSG_vm_set_affinity(vm0, pm2, 0x01); MSG_vm_set_affinity(vm1, pm2, 0x01); @@ -237,7 +209,6 @@ static void test_vm_pin(void) task_data_get_clock(&t2); task_data_get_clock(&t3); - XBT_INFO("## 3. pin all VMs to CPU0 of PM1 (no effect at now)"); /* Because VMs are on PM2, the below operations do not effect computation now. */ MSG_vm_set_affinity(vm0, pm1, 0x01); @@ -251,7 +222,6 @@ static void test_vm_pin(void) task_data_get_clock(&t2); task_data_get_clock(&t3); - XBT_INFO("## 4. unpin VM0, and pin VM2 and VM3 to CPU1 of PM2"); MSG_vm_set_affinity(vm0, pm2, 0x00); MSG_vm_set_affinity(vm2, pm2, 0x02); @@ -263,7 +233,6 @@ static void test_vm_pin(void) task_data_get_clock(&t2); task_data_get_clock(&t3); - XBT_INFO("## 5. migrate all VMs to PM0 (only 1 CPU core)"); MSG_vm_migrate(vm0, pm0); MSG_vm_migrate(vm1, pm0); @@ -282,7 +251,6 @@ static void test_vm_pin(void) task_data_get_clock(&t2); task_data_get_clock(&t3); - XBT_INFO("## 6. migrate all VMs to PM1 (2 CPU cores, with affinity settings)"); MSG_vm_migrate(vm0, pm1); MSG_vm_migrate(vm1, pm1); @@ -320,7 +288,6 @@ static void test_vm_pin(void) task_data_get_clock(&t2); task_data_get_clock(&t3); - /* clean up everything */ MSG_task_cancel(t0.task); MSG_task_cancel(t1.task); @@ -338,7 +305,6 @@ static void test_vm_pin(void) MSG_vm_destroy(vm3); } - static int master_main(int argc, char *argv[]) { XBT_INFO("=== Test PM (set affinity) ==="); @@ -350,7 +316,6 @@ static int master_main(int argc, char *argv[]) return 0; } - int main(int argc, char *argv[]) { /* Get the arguments */ @@ -369,21 +334,17 @@ int main(int argc, char *argv[]) msg_host_t pm1 = xbt_dynar_get_as(hosts_dynar, 1, msg_host_t); msg_host_t pm2 = xbt_dynar_get_as(hosts_dynar, 2, msg_host_t); - - XBT_INFO("%s: %d core(s), %f flops/s per each", MSG_host_get_name(pm0), MSG_host_get_core_number(pm0), MSG_get_host_speed(pm0)); - XBT_INFO("%s: %d core(s), %f flops/s per each", MSG_host_get_name(pm1), MSG_host_get_core_number(pm1), MSG_get_host_speed(pm1)); - XBT_INFO("%s: %d core(s), %f flops/s per each", MSG_host_get_name(pm2), MSG_host_get_core_number(pm2), MSG_get_host_speed(pm2)); - - + XBT_INFO("%s: %d core(s), %f flops/s per each", MSG_host_get_name(pm0), MSG_host_get_core_number(pm0), + MSG_host_get_speed(pm0)); + XBT_INFO("%s: %d core(s), %f flops/s per each", MSG_host_get_name(pm1), MSG_host_get_core_number(pm1), + MSG_host_get_speed(pm1)); + XBT_INFO("%s: %d core(s), %f flops/s per each", MSG_host_get_name(pm2), MSG_host_get_core_number(pm2), + MSG_host_get_speed(pm2)); MSG_process_create("master", master_main, NULL, pm0); - - - int res = MSG_main(); XBT_INFO("Bye (simulation time %g)", MSG_get_clock()); - return !(res == MSG_OK); }