diff --git a/examples/main.c b/examples/main.c
index b09eefdbce291888bbaa026fba867a0d34ce45b7..ea43c35b5f749cc7d5bc219013ee271549d35745 100644
--- a/examples/main.c
+++ b/examples/main.c
@@ -690,9 +690,9 @@ int main(int argc, char *argv[]) {
/* Legend */
if (myrank == 0)
- printf("# %6s %14s %14s %10s %10s %10s %16s [%s]\n", "Step", "Time",
+ printf("# %6s %14s %14s %12s %12s %12s %16s [%s] %6s\n", "Step", "Time",
"Time-step", "Updates", "g-Updates", "s-Updates", "Wall-clock time",
- clocks_getunit());
+ clocks_getunit(), "Props");
/* File for the timers */
if (with_verbose_timers) timers_open_file(myrank);
diff --git a/src/engine.c b/src/engine.c
index 35efcb1dafb1e50cfae9f418905d08715c171bbf..53ade0ed336fa7f74322fddb291a10be954bf9a2 100644
--- a/src/engine.c
+++ b/src/engine.c
@@ -880,6 +880,9 @@ void engine_redistribute(struct engine *e) {
nodeID, nr_parts, nr_sparts, nr_gparts, my_cells);
}
+ /* Flag that a redistribute has taken place */
+ e->step_props |= engine_step_prop_redistribute;
+
if (e->verbose)
message("took %.3f %s.", clocks_from_ticks(getticks() - tic),
clocks_getunit());
@@ -945,6 +948,9 @@ void engine_repartition(struct engine *e) {
/* Tell the engine it should re-build whenever possible */
e->forcerebuild = 1;
+ /* Flag that a repartition has taken place */
+ e->step_props |= engine_step_prop_repartition;
+
if (e->verbose)
message("took %.3f %s.", clocks_from_ticks(getticks() - tic),
clocks_getunit());
@@ -3098,6 +3104,9 @@ void engine_rebuild(struct engine *e, int clean_h_values) {
/* Print the status of the system */
// if (e->verbose) engine_print_task_counts(e);
+ /* Flag that a rebuild has taken place */
+ e->step_props |= engine_step_prop_rebuild;
+
if (e->verbose)
message("took %.3f %s.", clocks_from_ticks(getticks() - tic),
clocks_getunit());
@@ -3697,14 +3706,14 @@ void engine_step(struct engine *e) {
if (e->nodeID == 0) {
/* Print some information to the screen */
- printf(" %6d %14e %14e %10zu %10zu %10zu %21.3f\n", e->step, e->time,
+ printf(" %6d %14e %14e %12zu %12zu %12zu %21.3f %6d\n", e->step, e->time,
e->timeStep, e->updates, e->g_updates, e->s_updates,
- e->wallclock_time);
+ e->wallclock_time, e->step_props);
fflush(stdout);
- fprintf(e->file_timesteps, " %6d %14e %14e %10zu %10zu %10zu %21.3f\n",
+ fprintf(e->file_timesteps, " %6d %14e %14e %12zu %12zu %12zu %21.3f %6d\n",
e->step, e->time, e->timeStep, e->updates, e->g_updates,
- e->s_updates, e->wallclock_time);
+ e->s_updates, e->wallclock_time, e->step_props);
fflush(e->file_timesteps);
}
@@ -3716,6 +3725,7 @@ void engine_step(struct engine *e) {
e->time = e->ti_current * e->timeBase + e->timeBegin;
e->timeOld = e->ti_old * e->timeBase + e->timeBegin;
e->timeStep = (e->ti_current - e->ti_old) * e->timeBase;
+ e->step_props = engine_step_prop_none;
/* Prepare the tasks to be launched, rebuild or repartition if needed. */
engine_prepare(e);
@@ -3805,6 +3815,9 @@ void engine_step(struct engine *e) {
/* ... and find the next output time */
engine_compute_next_snapshot_time(e);
+
+ /* Flag that we dumped a snapshot */
+ e->step_props |= engine_step_prop_snapshot;
}
/* Save some statistics */
@@ -3815,6 +3828,9 @@ void engine_step(struct engine *e) {
/* and move on */
e->timeLastStatistics += e->deltaTimeStatistics;
+
+ /* Flag that we dumped some statistics */
+ e->step_props |= engine_step_prop_statistics;
}
/* Now apply all the collected time step updates and particle counts. */
@@ -4353,6 +4369,7 @@ void engine_init(struct engine *e, struct space *s,
e->reparttype = reparttype;
e->dump_snapshot = 0;
e->save_stats = 0;
+ e->step_props = engine_step_prop_none;
e->links = NULL;
e->nr_links = 0;
e->timeBegin = parser_get_param_double(params, "TimeIntegration:time_begin");
@@ -4576,9 +4593,16 @@ void engine_init(struct engine *e, struct space *s,
e->hydro_properties->delta_neighbours,
e->hydro_properties->eta_neighbours);
- fprintf(e->file_timesteps, "# %6s %14s %14s %10s %10s %10s %16s [%s]\n",
+ fprintf(e->file_timesteps,
+ "# Step Properties: Rebuild=%d, Redistribute=%d, Repartition=%d, "
+ "Statistics=%d, Snapshot=%d\n",
+ engine_step_prop_rebuild, engine_step_prop_redistribute,
+ engine_step_prop_repartition, engine_step_prop_statistics,
+ engine_step_prop_snapshot);
+
+ fprintf(e->file_timesteps, "# %6s %14s %14s %12s %12s %12s %16s [%s] %6s\n",
"Step", "Time", "Time-step", "Updates", "g-Updates", "s-Updates",
- "Wall-clock time", clocks_getunit());
+ "Wall-clock time", clocks_getunit(), "Props");
fflush(e->file_timesteps);
}
diff --git a/src/engine.h b/src/engine.h
index 2b5a4eee7cde974fc555460c6483d02b21bd6c04..b5ad53290d5a144712201a5d515b4c38bc22871b 100644
--- a/src/engine.h
+++ b/src/engine.h
@@ -51,7 +51,9 @@
#include "task.h"
#include "units.h"
-/* Some constants. */
+/**
+ * @brief The different policies the #engine can follow.
+ */
enum engine_policy {
engine_policy_none = 0,
engine_policy_rand = (1 << 0),
@@ -74,7 +76,19 @@ enum engine_policy {
#define engine_maxpolicy 15
extern const char *engine_policy_names[];
-#define engine_queue_scale 1.2
+/**
+ * @brief The different unusual events that can take place in a time-step.
+ */
+enum engine_step_properties {
+ engine_step_prop_none = 0,
+ engine_step_prop_rebuild = (1 << 0),
+ engine_step_prop_redistribute = (1 << 1),
+ engine_step_prop_repartition = (1 << 2),
+ engine_step_prop_statistics = (1 << 3),
+ engine_step_prop_snapshot = (1 << 4)
+};
+
+/* Some constants */
#define engine_maxproxies 64
#define engine_tasksreweight 1
#define engine_parts_size_grow 1.05
@@ -83,7 +97,9 @@ extern const char *engine_policy_names[];
#define engine_default_timesteps_file_name "timesteps"
#define engine_max_parts_per_ghost 1000
-/* The rank of the engine as a global variable (for messages). */
+/**
+ * @brief The rank of the engine as a global variable (for messages).
+ */
extern int engine_rank;
/* Data structure for the engine. */
@@ -143,9 +159,12 @@ struct engine {
/* Maximal ti_beg for the next time-step */
integertime_t ti_beg_max;
- /* Number of particles updated */
+ /* Number of particles updated in the previous step */
size_t updates, g_updates, s_updates;
+ /* Properties of the previous step */
+ enum engine_step_properties step_props;
+
/* Total numbers of particles in the system. */
size_t total_nr_parts, total_nr_gparts;