Document the rationale behind process::accounting.

[loba.git] / process.h

diff --git a/process.h b/process.h
index cc10b0494ba0710994be865891af6b153acba24b..c7525fd1ce88bb4d4ba572561d95a85b948888fd 100644 (file)
--- a/process.h
+++ b/process.h
@@ -5,10 +5,10 @@
 //#undef USE_UNORDERED_MAP
 
 #include <algorithm>
 //#undef USE_UNORDERED_MAP
 
 #include <algorithm>

-#include <tr1/functional>
+#include <functional>

 #ifdef USE_UNORDERED_MAP
 #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
 #else
 #  include <map>
 #  define MAP_TEMPLATE std::map


@@ -32,8 +32,16 @@ public:
     process(int argc, char* argv[]);
     virtual ~process();
 
     process(int argc, char* argv[]);
     virtual ~process();
 

-    double get_comp() const                { return comp; }
-    double get_real_load() const           { return real_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();
 
 
     int run();
 


@@ -90,16 +98,50 @@ private:
     unsigned lb_iter;           // counter of load-balancing iterations
     unsigned comp_iter;         // counter of computation iterations
 
     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 real_load;           // current load
     double expected_load;       // expected load in bookkeeping mode
     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

 
     mutex_t mutex;              // synchronization between threads
     condition_t cond;
 
 
     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;             // 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) {
+        ++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();
     // Load-balancing loop
     msg_thread* lb_thread;
     void load_balance_loop();


@@ -113,6 +155,9 @@ private:
     // Returns the sum of "to_send" for all neighbors.
     double get_sum_of_to_send() const;
 
     // 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);
     // Send procedures
     void ctrl_send(neighbor& nb);
     void data_send(neighbor& nb);


@@ -130,13 +175,12 @@ private:
 template <typename Compare>
 void process::pneigh_sort_by_load(const Compare& comp)
 {
 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;
+    using std::placeholders::_1;
+    using std::placeholders::_2;

     std::sort(pneigh.begin(), pneigh.end(),
     std::sort(pneigh.begin(), pneigh.end(),

-              bind(comp,
-                   bind(&neighbor::get_load, _1),
-                   bind(&neighbor::get_load, _2)));
+              std::bind(comp,
+                        std::bind(&neighbor::get_load, _1),
+                        std::bind(&neighbor::get_load, _2)));

 }
 
 #endif // !PROCESS_H
 }
 
 #endif // !PROCESS_H