X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/f2c30ea366a1f0ef91e94000f89b16a763c0dccd..a2555a351393901a2e5398707e473cb062eed578:/process.h?ds=sidebyside diff --git a/process.h b/process.h index b124593..86f1f9b 100644 --- a/process.h +++ b/process.h @@ -15,6 +15,7 @@ #include #include #include "communicator.h" +#include "misc.h" #include "neighbor.h" #include "options.h" @@ -28,7 +29,7 @@ public: virtual ~process(); double get_comp() const { return comp; } - double get_load() const { return load; } + double get_real_load() const { return real_load; } int run(); @@ -39,8 +40,14 @@ protected: pneigh_type pneigh; // list of pointers to neighbors that // we are free to reorder - // Returns the sum of "to_send" for all neighbors. - double sum_of_to_send() const; + // Get and set current load, which may be real load, or expected + // load if opt::bookkeeping is true. + double get_load() const; + void set_load(double load); + + // Register some amount of load to send to given neighbor. + void send(neighbor& nb, double amount); + void send(neighbor* nb, double amount) { send(*nb, amount); } // Calls neighbor::print(verbose, logp, cat) for each member of neigh. void print_loads(bool verbose = false, @@ -77,16 +84,11 @@ private: double prev_load_broadcast; // used to ensure that we do not send // a same information messages - double load; // current load + double real_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). - // Returns the total load sent to neighbors. - virtual double load_balance(double my_load); + virtual void load_balance(); // Virtually do some computation void compute(); @@ -94,13 +96,17 @@ private: // Send procedures, with helpers for bookkeeping mode or not void send1_no_bookkeeping(neighbor& nb); void send1_bookkeeping(neighbor& nb); - void send(); + void send_all(); // Returns true if there remains neighbors to listen for - bool may_receive() { return ctrl_close_pending || data_close_pending; } + bool may_receive() const { + return ctrl_close_pending || data_close_pending; + } - // Receive procedure: wait (or not) for a message to come - void receive(bool wait); + // 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. @@ -108,6 +114,24 @@ private: void finalize(); }; +inline +double process::get_load() const +{ + if (opt::bookkeeping) + return expected_load; + else + return real_load; +} + +inline +void process::set_load(double load) +{ + if (opt::bookkeeping) + expected_load = load; + else + real_load = load; +} + #endif // !PROCESS_H // Local variables: