X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/ea9e469b934dd81706ec3f727156b9057e4cf2bb..ed20272a081c9c5fe276cd8e7815662e23b79318:/process.h diff --git a/process.h b/process.h index a197e9a..ed6e6cf 100644 --- a/process.h +++ b/process.h @@ -4,7 +4,8 @@ #define USE_UNORDERED_MAP 1 //#undef USE_UNORDERED_MAP -#include +#include +#include #ifdef USE_UNORDERED_MAP # include # define MAP_TEMPLATE std::tr1::unordered_map @@ -12,11 +13,15 @@ # include # define MAP_TEMPLATE std::map #endif +#include #include #include #include "communicator.h" +#include "misc.h" +#include "msg_thread.h" #include "neighbor.h" #include "options.h" +#include "synchro.h" class process { public: @@ -27,8 +32,16 @@ public: process(int argc, char* argv[]); virtual ~process(); - double get_comp() const { return comp; } - double get_load() const { return load; } + double get_real_load() const { return real_load; } + double get_comp_amount() const { return acc.comp_amount; } + 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; } + unsigned get_data_recv_count() const { return acc.data_recv.count; } + double get_ctrl_send_amount() const { return acc.ctrl_send.amount; } + 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; } int run(); @@ -39,8 +52,20 @@ 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 { return expected_load; } + + // The load balancing algorithm comes here... + virtual void load_balance(); + + // 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); } + + // Sort pneigh by applying comp to their loads + template + void pneigh_sort_by_load(const Compare& comp); // Calls neighbor::print(verbose, logp, cat) for each member of neigh. void print_loads(bool verbose = false, @@ -73,43 +98,86 @@ private: 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 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); - - // Virtually do some computation - void compute(); + mutex_t mutex; // synchronization between threads + condition_t cond; + + struct mesg_accounting { + double amount; // sum of message size + unsigned count; // number of messages + mesg_accounting(): amount(0.0), count(0) { } + }; + struct accounting { + double comp_amount; // total computing done so far (flops) + mesg_accounting data_send; // data messages sent + mesg_accounting data_recv; // data messages received + mesg_accounting ctrl_send; // ctrl message sent + mesg_accounting ctrl_recv; // ctrl message received + accounting(): comp_amount(0.0) { } + }; + accounting acc; + + void add_comp_amount(double amount) { acc.comp_amount += amount; } + void add_data_send_mesg(double amount) { + ++acc.data_send.count; + acc.data_send.amount += amount; + } + void add_data_recv_mesg(double amount) { + ++acc.data_recv.count; + acc.data_recv.amount += amount; + } + void add_ctrl_send_mesg(double amount) { + ++acc.ctrl_send.count; + acc.ctrl_send.amount += amount; + } + void add_ctrl_recv_mesg(double amount) { + ++acc.ctrl_recv.count; + acc.ctrl_recv.amount += amount; + } + + // Load-balancing loop + msg_thread* lb_thread; + void load_balance_loop(); + + // Simulate computation loop + void compute_loop(); + + // Check if we need to stop + bool still_running(); - // Send procedures, with helpers for bookkeeping mode or not - void send1_no_bookkeeping(neighbor& nb); - void send1_bookkeeping(neighbor& nb); - void send_all(); + // Returns the sum of "to_send" for all neighbors. + double get_sum_of_to_send() const; - // Returns true if there remains neighbors to listen for - bool may_receive() { return ctrl_close_pending || data_close_pending; } + // Send procedures + void ctrl_send(neighbor& nb); + void data_send(neighbor& nb); + void ctrl_close(neighbor& nb); + void data_close(neighbor& nb); // 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(); + void ctrl_receive(double timeout); + void data_receive(double timeout); + void handle_message(message* msg, m_host_t from); }; +template +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))); +} + #endif // !PROCESS_H // Local variables: