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  • Loïc Blot's avatar
    7c8793cb
    Performance Improvement: Use a cache which caches result for getFacePositions. · 7c8793cb
    Loïc Blot authored 
    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
    7c8793cb
    History
    Performance Improvement: Use a cache which caches result for getFacePositions.
    Loïc Blot authored 
    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
numeric.h 7.28 KiB