diff options
| author | Tavian Barnes <tavianator@tavianator.com> | 2014-06-29 15:57:50 -0400 |
|---|---|---|
| committer | Tavian Barnes <tavianator@tavianator.com> | 2014-06-29 16:00:25 -0400 |
| commit | 660a6dc83a761c76b1b3a3c6d71c18800e0b47a3 (patch) | |
| tree | 1b0d412200f4bd34e92ff5da048be86a00dee569 /libdimension/bvh.c | |
| parent | 87e95a688130cd4059a5e3edd8885441a16eeaf6 (diff) | |
| download | dimension-660a6dc83a761c76b1b3a3c6d71c18800e0b47a3.tar.xz | |
prtree: Improve cache locality during tree building.
This gives about a 25% speedup by storing the node color in a smaller
wrapper struct instead of inside the node itself.
Diffstat (limited to 'libdimension/bvh.c')
| -rw-r--r-- | libdimension/bvh.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/libdimension/bvh.c b/libdimension/bvh.c index 462cbee..d1bd0fc 100644 --- a/libdimension/bvh.c +++ b/libdimension/bvh.c @@ -358,10 +358,9 @@ dmnsn_bvh_bounding_box(const dmnsn_bvh *bvh) } dmnsn_bvh_node * -dmnsn_new_bvh_node(size_t max_children) +dmnsn_new_bvh_node(unsigned int max_children) { - dmnsn_bvh_node *node = dmnsn_malloc(sizeof(dmnsn_bvh_node) - + max_children*sizeof(dmnsn_bvh_node *)); + dmnsn_bvh_node *node = dmnsn_malloc(sizeof(dmnsn_bvh_node) + max_children*sizeof(dmnsn_bvh_node *)); node->bounding_box = dmnsn_zero_bounding_box(); node->object = NULL; node->nchildren = 0; |