From c307218d291d1e4a9ec91c2935ec6477da43fda7 Mon Sep 17 00:00:00 2001
From: Matthieu Schaller <schaller@strw.leidenuniv.nl>
Date: Wed, 18 Mar 2020 11:50:27 +0100
Subject: [PATCH] Time the update of general quantities (e.g. cooling tables)
---
src/engine.c | 14 ++++++++++----
tools/analyse_runtime.py | 1 +
2 files changed, 11 insertions(+), 4 deletions(-)
diff --git a/src/engine.c b/src/engine.c
index 6a7e5cc267..8218be32f7 100644
--- a/src/engine.c
+++ b/src/engine.c
@@ -2496,15 +2496,17 @@ void engine_step(struct engine *e) {
e->time_step = (e->ti_current - e->ti_old) * e->time_base;
}
+ /*****************************************************/
+ /* OK, we now know what the next end of time-step is */
+ /*****************************************************/
+
+ const ticks tic_updates = getticks();
+
/* Update the cooling function */
if ((e->policy & engine_policy_cooling) ||
(e->policy & engine_policy_temperature))
cooling_update(e->cosmology, e->cooling_func, e->s);
- /*****************************************************/
- /* OK, we now know what the next end of time-step is */
- /*****************************************************/
-
/* Update the softening lengths */
if (e->policy & engine_policy_self_gravity)
gravity_props_update(e->gravity_properties, e->cosmology);
@@ -2514,6 +2516,10 @@ void engine_step(struct engine *e) {
hydro_props_update(e->hydro_properties, e->gravity_properties,
e->cosmology);
+ if (e->verbose)
+ message("Updating global quantities took %.3f %s",
+ clocks_from_ticks(getticks() - tic_updates), clocks_getunit());
+
/* Trigger a tree-rebuild if we passed the frequency threshold */
if ((e->policy & engine_policy_self_gravity) &&
((double)e->g_updates_since_rebuild >
diff --git a/tools/analyse_runtime.py b/tools/analyse_runtime.py
index fa15e3d4a7..382d4ab5ca 100755
--- a/tools/analyse_runtime.py
+++ b/tools/analyse_runtime.py
@@ -98,6 +98,7 @@ labels = [
["engine_drift_top_multipoles:", 0],
["Communicating rebuild flag", 0],
["Writing step info to files", 0],
+ ["Updating general quantities", 0],
["task_dump_all:", 0],
["task_dump_stats:", 0],
["task_dump_active:", 0],
--
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