From 42f89f5183e3513d02de2cb8b964953a047f1de5 Mon Sep 17 00:00:00 2001
From: Matthieu Schaller <matthieu.schaller@durham.ac.uk>
Date: Mon, 23 Jul 2018 10:53:31 +0100
Subject: [PATCH] Allow the user to tweak the maximal depth of gravity tasks.
---
examples/parameter_example.yml | 1 +
src/space.c | 3 +++
2 files changed, 4 insertions(+)
diff --git a/examples/parameter_example.yml b/examples/parameter_example.yml
index b6d9228dd4..783b6030be 100644
--- a/examples/parameter_example.yml
+++ b/examples/parameter_example.yml
@@ -55,6 +55,7 @@ Scheduler:
cell_sub_size_pair_grav: 256000000 # (Optional) Maximal number of interactions per sub-pair gravity task (this is the default value).
cell_sub_size_self_grav: 32000 # (Optional) Maximal number of interactions per sub-self gravity task (this is the default value).
cell_split_size: 400 # (Optional) Maximal number of particles per cell (this is the default value).
+ cell_subdepth_grav: 2 # (Optional) Maximal depth the gravity tasks can be pushed down (this is the default value).
max_top_level_cells: 12 # (Optional) Maximal number of top-level cells in any dimension. The number of top-level cells will be the cube of this (this is the default value).
tasks_per_cell: 0 # (Optional) The average number of tasks per cell. If not large enough the simulation will fail (means guess...).
mpi_message_limit: 4096 # (Optional) Maximum MPI task message size to send non-buffered, KB.
diff --git a/src/space.c b/src/space.c
index 8e5e3d1477..552f453736 100644
--- a/src/space.c
+++ b/src/space.c
@@ -2758,10 +2758,13 @@ void space_init(struct space *s, struct swift_params *params,
space_subsize_self_grav_default);
space_splitsize = parser_get_opt_param_int(
params, "Scheduler:cell_split_size", space_splitsize_default);
+ space_subdepth_grav = parser_get_opt_param_int(
+ params, "Scheduler:cell_subdepth_grav", space_subdepth_grav_default);
if (verbose) {
message("max_size set to %d split_size set to %d", space_maxsize,
space_splitsize);
+ message("subdepth_grav set to %d", space_subdepth_grav);
message("sub_size_pair_hydro set to %d, sub_size_self_hydro set to %d",
space_subsize_pair_hydro, space_subsize_self_hydro);
message("sub_size_pair_grav set to %d, sub_size_self_grav set to %d",
--
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