X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/ef1ef576d25c492dc585240b8a4b36954fc00140..7c16f589594608d2269921e11d5298c09fe2512b:/process.h diff --git a/process.h b/process.h index 654237b..fb1fe3f 100644 --- a/process.h +++ b/process.h @@ -16,6 +16,7 @@ #include #include "communicator.h" #include "neighbor.h" +#include "options.h" class process { public: @@ -26,6 +27,7 @@ public: process(int argc, char* argv[]); virtual ~process(); + double get_comp() const { return comp; } double get_load() const { return load; } int run(); @@ -52,7 +54,7 @@ protected: private: static double total_load_init; // sum of process loads at init - static double total_load_running; // summ of loads while running + 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; @@ -66,17 +68,20 @@ private: int data_close_pending; // number of "close" messages to wait // on data channel bool close_received; // true if we received a "close" message - bool may_receive; // true if there remains neighbors to listen for bool finalizing; // true when finalize() is running unsigned lb_iter; // counter of load-balancing iterations unsigned comp_iter; // counter of computation 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). @@ -91,9 +96,13 @@ private: void send1_bookkeeping(neighbor& nb); void send(); - // Receive procedure: wait (or not) for a message to come. - enum recv_wait_mode { NO_WAIT = 0, WAIT, WAIT_FOR_CLOSE }; - void 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.