Display time writing statepoint files

docs/source/io_formats/statepoint.rst

@@ -161,3 +161,5 @@ All values are given in seconds and are measured on the master process.
              source sites between processes for load balancing.
            - **accumulating tallies** (*double*) -- Time spent communicating
              tally results and evaluating their statistics.
+          - **writing statepoints** (*double*) -- Time spent writing statepoint
+            files

include/openmc/timer.h

@@ -22,6 +22,7 @@ extern Timer time_inactive;
 extern Timer time_initialize;
 extern Timer time_read_xs;
 extern Timer time_sample_source;
+extern Timer time_statepoint;
 extern Timer time_tallies;
 extern Timer time_total;
 extern Timer time_transport;

src/output.cpp

@@ -420,6 +420,7 @@ void print_runtime()
     show_time("SEND/RECV source sites", time_bank_sendrecv.elapsed(), 2);
   }
   show_time("Time accumulating tallies", time_tallies.elapsed(), 1);
+  show_time("Time writing statepoints", time_statepoint.elapsed(), 1);
   show_time("Total time for finalization", time_finalize.elapsed());
   show_time("Total time elapsed", time_total.elapsed());
 

src/state_point.cpp

@@ -33,6 +33,8 @@ namespace openmc {
 extern "C" int
 openmc_statepoint_write(const char* filename, bool* write_source)
 {
+  simulation::time_statepoint.start();
+
   // Set the filename
   std::string filename_;
   if (filename) {
@@ -296,6 +298,7 @@ openmc_statepoint_write(const char* filename, bool* write_source)
     }
     write_dataset(runtime_group, "accumulating tallies", time_tallies.elapsed());
     write_dataset(runtime_group, "total", time_total.elapsed());
+    write_dataset(runtime_group, "writing statepoints", time_statepoint.elapsed());
     close_group(runtime_group);
 
     file_close(file_id);
@@ -314,6 +317,8 @@ openmc_statepoint_write(const char* filename, bool* write_source)
     if (mpi::master || parallel) file_close(file_id);
   }
 
+  simulation::time_statepoint.stop();
+
   return 0;
 }
 

src/timer.cpp

@@ -17,6 +17,7 @@ Timer time_inactive;
 Timer time_initialize;
 Timer time_read_xs;
 Timer time_sample_source;
+Timer time_statepoint;
 Timer time_tallies;
 Timer time_total;
 Timer time_transport;
@@ -76,6 +77,7 @@ void reset_timers()
   simulation::time_initialize.reset();
   simulation::time_read_xs.reset();
   simulation::time_sample_source.reset();
+  simulation::time_statepoint.reset();
   simulation::time_tallies.reset();
   simulation::time_total.reset();
   simulation::time_transport.reset();