X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/a561a2e124710e98e19bafea2b87f577779b68b5..cd83815d1a:/process.cpp diff --git a/process.cpp b/process.cpp index 491898d..2de3016 100644 --- a/process.cpp +++ b/process.cpp @@ -50,6 +50,7 @@ process::process(int argc, char* argv[]) expected_load = real_load; total_load_running += real_load; total_load_init += real_load; + received_load = 0.0; ctrl_close_pending = data_close_pending = neigh.size(); close_received = false; @@ -80,6 +81,8 @@ process::~process() { delete lb_thread; total_load_exit += real_load; + xbt_assert(received_load == 0.0, + "received_load is %g, but should be 0.0 !", received_load); if (opt::log_rate < 0) return; XBT_INFO("Final load after %d:%d iterations: %g", @@ -157,7 +160,7 @@ void process::load_balance_loop() std::bind(&process::ctrl_close, this, _1)); while (ctrl_close_pending) { comm.ctrl_flush(false); - XBT_DEBUG("waiting for %d CTRL CLOSE", ctrl_close_pending); + XBT_DEBUG("waiting for %d CTRL_CLOSE", ctrl_close_pending); ctrl_receive(-1.0); } comm.ctrl_flush(true); @@ -169,17 +172,14 @@ void process::compute_loop() double next_iter_after_date = MSG_get_clock() + opt::min_comp_iter_duration; while (still_running()) { - // receive - mutex.acquire(); - if (real_load > 0.0) - data_receive(0.0); - else - data_receive(opt::min_comp_iter_duration); - mutex.release(); + // receive (do not block if there is something to compute) + data_receive(real_load > 0.0 ? 0.0 : opt::min_comp_iter_duration); // send comm.data_flush(false); mutex.acquire(); + real_load += received_load; + received_load = 0.0; std::for_each(neigh.begin(), neigh.end(), std::bind(&process::data_send, this, _1)); mutex.release(); @@ -201,20 +201,19 @@ void process::compute_loop() } XBT_VERB("Going to finalize for %s...", __func__); - // last send, for not losing load scheduled to be sent - std::for_each(neigh.begin(), neigh.end(), - std::bind(&process::data_send, this, _1)); finalizing = true; - total_load_running -= real_load; XBT_DEBUG("send DATA_CLOSE to %zu neighbor%s", neigh.size(), ESSE(neigh.size())); std::for_each(neigh.begin(), neigh.end(), std::bind(&process::data_close, this, _1)); while (data_close_pending) { comm.data_flush(false); - XBT_DEBUG("waiting for %d DATA CLOSE", data_close_pending); + XBT_DEBUG("waiting for %d DATA_CLOSE", data_close_pending); data_receive(-1.0); } + real_load += received_load; + received_load = 0.0; + total_load_running -= real_load; comm.data_flush(true); } @@ -297,7 +296,7 @@ void process::ctrl_send(neighbor& nb) debt_to_send = 0.0; } if (info_to_send != prev_load_broadcast || debt_to_send > 0.0) { - message* msg = new message(message::INFO, info_to_send, debt_to_send); + message* msg = new message(message::CTRL, info_to_send, debt_to_send); add_ctrl_send_mesg(msg->get_size()); comm.ctrl_send(nb.get_ctrl_mbox(), msg); } @@ -329,7 +328,7 @@ void process::data_send(neighbor& nb) amount = std::min(load_to_send, opt::max_transfer_amount); else amount = load_to_send; - message* msg = new message(message::LOAD, amount); + message* msg = new message(message::DATA, amount); add_data_send_mesg(msg->get_size()); comm.data_send(nb.get_data_mbox(), msg); load_to_send -= amount; @@ -377,17 +376,15 @@ void process::data_receive(double timeout) void process::handle_message(message* msg, m_host_t from) { switch (msg->get_type()) { - case message::INFO: { + case message::CTRL: { neighbor* n = rev_neigh[from]; n->set_load(msg->get_amount() + n->get_to_send()); expected_load += msg->get_credit(); // may be 0.0 if !opt::bookkeeping break; } - case message::LOAD: { + case message::DATA: { double ld = msg->get_amount(); - real_load += ld; - if (finalizing) - total_load_running -= ld; + received_load += ld; break; } case message::CTRL_CLOSE: