From a9cb45866043dd8f40d20bcc894c374aa14afbe6 Mon Sep 17 00:00:00 2001
From: Pedro Gonnet <gonnet@google.com>
Date: Tue, 10 Nov 2015 21:23:21 +0000
Subject: [PATCH] Make sure that the stack entries in which we will store new
data are actually ready to receive data.
---
src/space.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/space.c b/src/space.c
index dff22dba2f..73544daf7a 100644
--- a/src/space.c
+++ b/src/space.c
@@ -596,6 +596,7 @@ void space_do_parts_sort() {
if (jj > i && pivot > min) {
qid = atomic_inc(&space_sort_struct.last) %
space_sort_struct.stack_size;
+ while (!space_sort_struct.stack[qid].ready);
space_sort_struct.stack[qid].i = i;
space_sort_struct.stack[qid].j = jj;
space_sort_struct.stack[qid].min = min;
@@ -619,6 +620,7 @@ void space_do_parts_sort() {
if (pivot + 1 < max) {
qid = atomic_inc(&space_sort_struct.last) %
space_sort_struct.stack_size;
+ while (!space_sort_struct.stack[qid].ready);
space_sort_struct.stack[qid].i = jj + 1;
space_sort_struct.stack[qid].j = j;
space_sort_struct.stack[qid].min = pivot + 1;
@@ -1175,4 +1177,4 @@ void space_init(struct space *s, double dim[3], struct part *parts, int N,
/* Build the cells and the tasks. */
space_regrid(s, h_max, verbose);
-}
+}
\ No newline at end of file
--
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