X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/b78d5563826957045678f4c3bcfdcef6c9bfc48d..51f707d60785283c582c16c141ab6832a744dd3a:/process.h?ds=inline diff --git a/process.h b/process.h index 268fac9..fb1fe3f 100644 --- a/process.h +++ b/process.h @@ -13,13 +13,23 @@ # define MAP_TEMPLATE std::map #endif #include +#include #include "communicator.h" #include "neighbor.h" +#include "options.h" class process { public: + 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; } + process(int argc, char* argv[]); - ~process(); + virtual ~process(); + + double get_comp() const { return comp; } + double get_load() const { return load; } + int run(); protected: @@ -32,9 +42,22 @@ protected: // Returns the sum of "to_send" for all neighbors. double sum_of_to_send() const; + // Calls neighbor::print(verbose, logp, cat) for each member of neigh. + void print_loads(bool verbose = false, + e_xbt_log_priority_t logp = xbt_log_priority_info, + xbt_log_category_t cat = _XBT_LOGV(default)) const; + + // Calls neighbor::print(verbose, logp, cat) for each member of pneigh. + void print_loads_p(bool verbose = false, + e_xbt_log_priority_t logp = xbt_log_priority_info, + xbt_log_category_t cat = _XBT_LOGV(default)) const; + private: - typedef MAP_TEMPLATE rev_neigh_type; + 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 rev_neigh_type; neigh_type neigh; // list of neighbors (do not alter // after construction!) rev_neigh_type rev_neigh; // map m_host_t -> neighbor @@ -44,14 +67,21 @@ private: // on ctrl channel int data_close_pending; // number of "close" messages to wait // on data channel + bool close_received; // true if we received a "close" message + bool finalizing; // true when finalize() is running + + unsigned lb_iter; // counter of load-balancing iterations + unsigned comp_iter; // counter of computation iterations - unsigned iter; // counter of iterations + double comp; // total computing done so far (flops) double prev_load_broadcast; // used to ensure that we do not send // a same information messages double load; // current load double expected_load; // expected load in bookkeeping mode + double& lb_load() { return opt::bookkeeping ? expected_load : load; } + // The load balancing algorithm comes here... // Parameter "my_load" is the load to take into account for myself // (may be load or expected load). @@ -66,19 +96,18 @@ private: void send1_bookkeeping(neighbor& nb); void send(); - // Receive procedure: wait (or not) for a message to come. - // Returns false if some "close" message was received, returns true - // otherwise. - enum recv_wait_mode { NO_WAIT = 0, WAIT, WAIT_FOR_CLOSE }; - bool receive(recv_wait_mode wait); + // Returns true if there remains neighbors to listen for + bool may_receive() { return ctrl_close_pending || data_close_pending; } + + // Receive procedure + // Parameter "timeout" may be 0 for non-blocking operation, -1 for + // infinite waiting, or any positive timeout. + void receive(double timeout); // Finalize sends a "close" message to each neighbor and wait for // all of them to answer. void finalize1(neighbor& nb); void finalize(); - - // Print with given priority what we know about our neighbors' loads - void print_loads(e_xbt_log_priority_t logp = xbt_log_priority_info); }; #endif // !PROCESS_H