From 17abbebc6ac25be5ff4df0d43bf7f3a6817a4411 Mon Sep 17 00:00:00 2001
From: Matthieu Schaller <schaller@strw.leidenuniv.nl>
Date: Tue, 25 Feb 2020 10:21:12 +0800
Subject: [PATCH] Report the memory locally allocated for the particles
---
src/engine.c | 25 ++++++++++++++++++++++++-
1 file changed, 24 insertions(+), 1 deletion(-)
diff --git a/src/engine.c b/src/engine.c
index 69cc9f8bbd..88ce085f71 100644
--- a/src/engine.c
+++ b/src/engine.c
@@ -256,7 +256,8 @@ void engine_repartition_trigger(struct engine *e) {
#ifdef WITH_MPI
const ticks tic = getticks();
- static int opened = e->restarting;
+ static int opened = 0;
+ if (e->restarting) opened = 1;
/* Do nothing if there have not been enough steps since the last repartition
* as we don't want to repeat this too often or immediately after a
@@ -1570,6 +1571,28 @@ void engine_rebuild(struct engine *e, int repartitioned,
(e->s->nr_cells + e->s->tot_cells) * sizeof(struct gravity_tensors) /
(1024 * 1024));
+ /* Report the number of particles and memory */
+ if (e->verbose)
+ message(
+ "Space has memory for %zd/%zd/%zd/%zd part/gpart/spart/bpart "
+ "(%zd/%zd/%zd/%zd MB)",
+ e->s->size_parts, e->s->size_gparts, e->s->size_sparts,
+ e->s->size_bparts,
+ e->s->size_parts * sizeof(struct part) / (1024 * 1024),
+ e->s->size_gparts * sizeof(struct gpart) / (1024 * 1024),
+ e->s->size_sparts * sizeof(struct spart) / (1024 * 1024),
+ e->s->size_bparts * sizeof(struct bpart) / (1024 * 1024));
+
+ if (e->verbose)
+ message(
+ "Space holds %zd/%zd/%zd/%zd part/gpart/spart/bpart (fracs: "
+ "%f/%f/%f/%f)",
+ e->s->nr_parts, e->s->nr_gparts, e->s->nr_sparts, e->s->nr_bparts,
+ e->s->nr_parts ? e->s->nr_parts / ((double)e->s->size_parts) : 0.,
+ e->s->nr_gparts ? e->s->nr_gparts / ((double)e->s->size_gparts) : 0.,
+ e->s->nr_sparts ? e->s->nr_sparts / ((double)e->s->size_sparts) : 0.,
+ e->s->nr_bparts ? e->s->nr_bparts / ((double)e->s->size_bparts) : 0.);
+
const ticks tic2 = getticks();
/* Update the global counters of particles */
--
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