Add statistics about convergence (see parameter -%).

[loba.git] / communicator.cpp

diff --git a/communicator.cpp b/communicator.cpp
index 3516b68146ee8844a3c8ec8c33fad1b3c19befc6..2ddea5d65c0fdb16b1ec1849ce320681e8d5f2d5 100644 (file)
--- a/communicator.cpp
+++ b/communicator.cpp
@@ -1,25 +1,32 @@
 #include <algorithm>
 #include <algorithm>

+#include <functional>

 #include <msg/msg.h>
 #include <xbt/log.h>
 
 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(comm);
 
 #include "misc.h"
 #include <msg/msg.h>
 #include <xbt/log.h>
 
 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(comm);
 
 #include "misc.h"

-#include "options.h"

 #include "simgrid_features.h"
 #include "tracing.h"
 
 #include "communicator.h"
 
 #include "simgrid_features.h"
 #include "tracing.h"
 
 #include "communicator.h"
 

+namespace {
+
+    void check_for_lost_messages(size_t size, const char* descr)
+    {
+        if (size)
+            XBT_WARN("lost %zu %s message%s!", size, descr, ESSE(size));
+    }
+
+}
+

 communicator::communicator()
     : host(static_cast<hostdata*>(MSG_host_get_data(MSG_host_self())))
 {
 communicator::communicator()
     : host(static_cast<hostdata*>(MSG_host_get_data(MSG_host_self())))
 {

-    receiver_mutex.acquire();
-    receiver_thread =
-        MSG_process_create("receiver", communicator::receiver_wrapper,
-                           this, MSG_host_self());
-    receiver_cond.wait(receiver_mutex); // wait for the receiver to be ready
-    receiver_mutex.release();
+    receiver_thread = new_msg_thread("receiver",
+                                     std::bind(&communicator::receiver, this));
+    receiver_thread->start();

 }
 
 communicator::~communicator()
 }
 
 communicator::~communicator()


@@ -34,74 +41,42 @@ communicator::~communicator()
     task = MSG_task_create("finalize", 0.0, 0, NULL);
     MSG_task_send(task, host->get_data_mbox());
 
     task = MSG_task_create("finalize", 0.0, 0, NULL);
     MSG_task_send(task, host->get_data_mbox());
 

-    receiver_mutex.acquire();
-    while (receiver_thread) {
-        XBT_DEBUG("waiting for receiver to terminate");
-        receiver_cond.wait(receiver_mutex);
-    }
-    receiver_mutex.release();
-
-    if (!received.empty())
-        XBT_WARN("lost %zu received message%s!",
-                 received.size(), ESSE(received.size()));
-    if (!sent_comm.empty())
-        XBT_WARN("lost %zu sent message%s!",
-                 sent_comm.size(), ESSE(sent_comm.size()));
+    receiver_thread->wait();
+    delete receiver_thread;
+
+    check_for_lost_messages(ctrl_received.size(), "received ctrl");
+    check_for_lost_messages(data_received.size(), "received data");
+    check_for_lost_messages(ctrl_sent.size(), "sent ctrl");
+    check_for_lost_messages(data_sent.size(), "sent data");

 }
 
 }
 

-void communicator::send(const char* dest, message* msg)
+msg_comm_t communicator::real_send(const char* dest, message* msg)

 {
     XBT_DEBUG("send %s to %s", msg->to_string().c_str(), dest);
 {
     XBT_DEBUG("send %s to %s", msg->to_string().c_str(), dest);

-    double msg_size = sizeof *msg;
-    if (msg->get_type() == message::LOAD)
-        msg_size += opt::comm_cost(msg->get_amount());
-    m_task_t task = MSG_task_create("message", 0.0, msg_size, msg);    
+    m_task_t task = MSG_task_create("message", 0.0, msg->get_size(), msg);

     TRACE_msg_set_task_category(task,
     TRACE_msg_set_task_category(task,

-                                msg->get_type() == message::LOAD ?
+                                msg->get_type() == message::DATA ?

                                 TRACE_CAT_DATA : TRACE_CAT_CTRL);
                                 TRACE_CAT_DATA : TRACE_CAT_CTRL);

-    msg_comm_t comm = MSG_task_isend(task, dest);
-    sent_comm.push_back(comm);
+    return MSG_task_isend(task, dest);

 }
 
 }
 

-void communicator::flush(bool wait)
+void communicator::real_flush(sent_comm_type& sent_comm, bool wait)

 {
 {

-    sent_comm.remove_if(comm_test_n_destroy);
+    sent_comm_type::iterator bound =
+        std::remove_if(sent_comm.begin(), sent_comm.end(),
+                       comm_test_n_destroy);
+    sent_comm.erase(bound, sent_comm.end());

     if (wait && !sent_comm.empty()) {
     if (wait && !sent_comm.empty()) {

-        msg_comm_t comms[sent_comm.size()];
+        size_t size = sent_comm.size();
+        msg_comm_t* comms = new msg_comm_t[size];

         std::copy(sent_comm.begin(), sent_comm.end(), comms);
         std::copy(sent_comm.begin(), sent_comm.end(), comms);

-        MSG_comm_waitall(comms, sent_comm.size(), -1.0);
-        if (!MSG_WAIT_DESTROYS_COMMS)
-            std::for_each(sent_comm.begin(), sent_comm.end(),
-                          comm_check_n_destroy);

         sent_comm.clear();
         sent_comm.clear();

+        MSG_comm_waitall(comms, size, -1.0);
+        std::for_each(comms, comms + size, comm_check_n_destroy);
+        delete[] comms;

     }
 }
 
     }
 }
 

-bool communicator::recv(message*& msg, m_host_t& from, double timeout)
-{
-    XBT_DEBUG("waiting for a message to come");
-    bool recvd = received.pop(msg, from, timeout);
-    if (recvd)
-        XBT_DEBUG("received %s from %s",
-                  msg->to_string().c_str(), MSG_host_get_name(from));
-    return recvd;
-}
-
-int communicator::receiver_wrapper(int, char* [])
-{
-    communicator* comm;
-    comm = static_cast<communicator*>(MSG_process_get_data(MSG_process_self()));
-    comm->receiver();
-
-    XBT_DEBUG("terminate");
-    comm->receiver_mutex.acquire();
-    comm->receiver_thread = NULL;
-    comm->receiver_cond.signal();
-    comm->receiver_mutex.release();
-
-    return 0;
-}
-

 void communicator::receiver()
 {
     xbt_dynar_t comms = xbt_dynar_new(sizeof(msg_comm_t), NULL);
 void communicator::receiver()
 {
     xbt_dynar_t comms = xbt_dynar_new(sizeof(msg_comm_t), NULL);


@@ -109,9 +84,10 @@ void communicator::receiver()
         msg_comm_t comm;
         m_task_t task;
         const char* mbox;
         msg_comm_t comm;
         m_task_t task;
         const char* mbox;

+        message_queue& received;

     };
     };

-    channel chan[] = { { NULL, NULL, host->get_ctrl_mbox() },
-                       { NULL, NULL, host->get_data_mbox() } };
+    channel chan[] = { { NULL, NULL, host->get_ctrl_mbox(), ctrl_received },
+                       { NULL, NULL, host->get_data_mbox(), data_received } };

     const int chan_size = (sizeof chan) / (sizeof chan[0]);
 
     for (int i = 0 ; i < chan_size ; ++i) {
     const int chan_size = (sizeof chan) / (sizeof chan[0]);
 
     for (int i = 0 ; i < chan_size ; ++i) {


@@ -119,11 +95,6 @@ void communicator::receiver()
         xbt_dynar_push(comms, &chan[i].comm);
     }
 
         xbt_dynar_push(comms, &chan[i].comm);
     }
 

-    XBT_DEBUG("receiver ready");
-    receiver_mutex.acquire();
-    receiver_cond.signal();     // signal master that we are ready
-    receiver_mutex.release();
-

     while (!xbt_dynar_is_empty(comms)) {
 
         int index = MSG_comm_waitany(comms);
     while (!xbt_dynar_is_empty(comms)) {
 
         int index = MSG_comm_waitany(comms);


@@ -136,7 +107,7 @@ void communicator::receiver()
         comm_check_n_destroy(ch->comm);
         if (strcmp(MSG_task_get_name(ch->task), "finalize")) {
             XBT_DEBUG("received message on %s", ch->mbox);
         comm_check_n_destroy(ch->comm);
         if (strcmp(MSG_task_get_name(ch->task), "finalize")) {
             XBT_DEBUG("received message on %s", ch->mbox);

-            received.push(ch->task);
+            ch->received.push(ch->task);

             ch->task = NULL;
             ch->comm = MSG_task_irecv(&ch->task, ch->mbox);
             xbt_dynar_set_as(comms, index, msg_comm_t, ch->comm);
             ch->task = NULL;
             ch->comm = MSG_task_irecv(&ch->task, ch->mbox);
             xbt_dynar_set_as(comms, index, msg_comm_t, ch->comm);