X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/7154ea8a74d7566156c7e65034fdbad45d230cf5..446befde6728fa65bc0170a4f65e8e34d09316f1:/process.h?ds=inline diff --git a/process.h b/process.h index ed6e6cf..55ee792 100644 --- a/process.h +++ b/process.h @@ -5,26 +5,30 @@ //#undef USE_UNORDERED_MAP #include <algorithm> -#include <tr1/functional> +#include <atomic> #ifdef USE_UNORDERED_MAP -# include <tr1/unordered_map> -# define MAP_TEMPLATE std::tr1::unordered_map +# include <unordered_map> +# define MAP_TEMPLATE std::unordered_map #else # include <map> # define MAP_TEMPLATE std::map #endif #include <vector> -#include <msg/msg.h> +#include <simgrid/msg.h> #include <xbt/log.h> #include "communicator.h" #include "misc.h" #include "msg_thread.h" #include "neighbor.h" #include "options.h" +#include "simgrid_features.h" #include "synchro.h" class process { public: + static void set_proc_mutex(mutex_t* m) { proc_mutex = m; } + + // Note: normally used with proc_mutex locked. static double get_total_load_init() { return total_load_init; } static double get_total_load_running() { return total_load_running; } static double get_total_load_exit() { return total_load_exit; } @@ -34,6 +38,9 @@ public: double get_real_load() const { return real_load; } double get_comp_amount() const { return acc.comp_amount; } + unsigned get_comp_iter() const { return comp_iter; } + unsigned get_all_comp_iter() const { return all_comp_iter; } + double get_iter_deviation() const; double get_data_send_amount() const { return acc.data_send.amount; } double get_data_recv_amount() const { return acc.data_recv.amount; } unsigned get_data_send_count() const { return acc.data_send.count; } @@ -42,6 +49,8 @@ public: double get_ctrl_recv_amount() const { return acc.ctrl_recv.amount; } unsigned get_ctrl_send_count() const { return acc.ctrl_send.count; } unsigned get_ctrl_recv_count() const { return acc.ctrl_recv.count; } + double get_idle_duration() const { return idle_duration; } + double get_convergence() const { return convergence; } int run(); @@ -78,14 +87,25 @@ protected: xbt_log_category_t cat = _XBT_LOGV(default)) const; private: + static mutex_t *proc_mutex; // protect access to global variables + // (must be set before constructing + // the first object!) + static double total_load_init; // sum of process loads at init static double total_load_running; // sum of loads while running static double total_load_exit; // sum of process loads at exit - typedef MAP_TEMPLATE<m_host_t, neighbor*> rev_neigh_type; + static int process_counter; + static double total_load_average; + static double average_load_ratio; + static double load_diff_threshold; + + static std::atomic<int> convergence_counter; + + typedef MAP_TEMPLATE<msg_host_t, neighbor*> rev_neigh_type; neigh_type neigh; // list of neighbors (do not alter // after construction!) - rev_neigh_type rev_neigh; // map m_host_t -> neighbor + rev_neigh_type rev_neigh; // map msg_host_t -> neighbor communicator comm; // communicator for this process int ctrl_close_pending; // number of "close" messages to wait @@ -97,11 +117,18 @@ private: unsigned lb_iter; // counter of load-balancing iterations unsigned comp_iter; // counter of computation iterations + unsigned all_comp_iter; // counter of computation iterations + // (counting empty iterations too) double prev_load_broadcast; // used to ensure that we do not send // a same information messages double real_load; // current load double expected_load; // expected load in bookkeeping mode + double received_load; // load received from neighbors + + double idle_duration; // how long we had nothing to compute + double convergence; // date when convergence was achieved, or -1.0 + int local_convergence_counter; // number of iterations since convergence mutex_t mutex; // synchronization between threads condition_t cond; @@ -119,7 +146,9 @@ private: mesg_accounting ctrl_recv; // ctrl message received accounting(): comp_amount(0.0) { } }; - accounting acc; + accounting acc; // use a structure so that it is + // automatically initialized a + // construction void add_comp_amount(double amount) { acc.comp_amount += amount; } void add_data_send_mesg(double amount) { @@ -146,12 +175,18 @@ private: // Simulate computation loop void compute_loop(); + // Check for convergence + void convergence_check(); + // Check if we need to stop bool still_running(); // Returns the sum of "to_send" for all neighbors. double get_sum_of_to_send() const; + // Compute load_to_send (for data_send), subject to the execution parameters + static double compute_load_to_send(double desired); + // Send procedures void ctrl_send(neighbor& nb); void data_send(neighbor& nb); @@ -163,19 +198,16 @@ private: // infinite waiting, or any positive timeout. void ctrl_receive(double timeout); void data_receive(double timeout); - void handle_message(message* msg, m_host_t from); + void handle_message(message* msg, msg_host_t from); }; template <typename Compare> void process::pneigh_sort_by_load(const Compare& comp) { - using std::tr1::bind; - using std::tr1::placeholders::_1; - using std::tr1::placeholders::_2; std::sort(pneigh.begin(), pneigh.end(), - bind(comp, - bind(&neighbor::get_load, _1), - bind(&neighbor::get_load, _2))); + [&comp](const neighbor* a, const neighbor* b) { + return comp(a->get_load(), b->get_load()); + }); } #endif // !PROCESS_H