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| author | Loic Blot <loic.blot@unix-experience.fr> | 2015-02-15 17:30:38 +0100 |
|---|---|---|
| committer | Loic Blot <loic.blot@unix-experience.fr> | 2015-02-16 11:27:44 +0100 |
| commit | 7c8793cbea1ea83109b7d9d6974d3f6991efcec8 (patch) | |
| tree | 3a1c54acd3ee11fd73e11e81e2b83f917488a379 /src/script/CMakeLists.txt | |
| parent | ed04e8e9e407f0dd57fa83a9732b3a3968cb80e0 (diff) | |
| download | minetest-7c8793cbea1ea83109b7d9d6974d3f6991efcec8.tar.gz minetest-7c8793cbea1ea83109b7d9d6974d3f6991efcec8.tar.bz2 minetest-7c8793cbea1ea83109b7d9d6974d3f6991efcec8.zip | |
Performance Improvement: Use a cache which caches result for getFacePositions.
This greatly reduce the number of std::list generated by caching the result, which is always constant for each radius selected.
In the callgrind map, you will see original:
* 3.3M calls to std::list for 9700 calls to getFacePositions
In the modified version, you will see:
* 3.3K calls to std::list for 6900 call to getFacePositions
Callgrind map is here: #2321
it's a huge performance improvement to l_find_node_near
Diffstat (limited to 'src/script/CMakeLists.txt')
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