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Reduce the locking in the portal completion code.

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It doesn't seem to make much difference, but the less room for contention,
the better.
This commit is contained in:
Bill Currie 2013-03-18 13:45:19 +09:00
parent ffb6d628bd
commit 134381f79b
1 changed files with 7 additions and 4 deletions
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11
tools/qfvis/source/qfvis.c
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@ -292,6 +292,7 @@ UpdateMightsee (cluster_t *source, cluster_t *dest)
int i, clusternum;
portal_t *portal;
LOCK;
clusternum = dest - clusters;
for (i = 0; i < source->numportals; i++) {
portal = source->portals[i];
@ -303,6 +304,7 @@ UpdateMightsee (cluster_t *source, cluster_t *dest)
stats.mightseeupdate++;
}
}
UNLOCK;
}
static void
@ -329,9 +331,10 @@ PortalCompleted (threaddata_t *thread, portal_t *completed)
stats.mighttest += thread->stats.mighttest;
stats.vistest += thread->stats.vistest;
stats.mightseeupdate += thread->stats.mightseeupdate;
UNLOCK;
memset (&thread->stats, 0, sizeof (thread->stats));
changed = set_new_size (portalclusters);
changed = set_new_size_r (&thread->set_pool, portalclusters);
cluster = &clusters[completed->cluster];
for (i = 0; i < cluster->numportals; i++) {
portal = cluster->portals[i];
@ -347,12 +350,12 @@ PortalCompleted (threaddata_t *thread, portal_t *completed)
else
set_difference (changed, cluster->portals[j]->mightsee);
}
for (ci = set_first (changed); ci; ci = set_next (ci)) {
for (ci = set_first_r (&thread->set_pool, changed); ci;
ci = set_next_r (&thread->set_pool, ci)) {
UpdateMightsee (&clusters[ci->element], cluster);
}
}
set_delete (changed);
UNLOCK;
set_delete_r (&thread->set_pool, changed);
}
static void *