perf: remove seemingly unnecessary check

seung-lab / zmesh

Marching Cubes & Mesh Simplification on multi-label 3D images.

GNU General Public License v3.0

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perf: remove seemingly unnecessary check #32

Closed william-silversmith closed 2 years ago

william-silversmith commented 2 years ago

Removing this apparently unnecessary logic saves a frequently called unordered_map access. In tests, this could drop several seconds from a 52 second run.

william-silversmith commented 2 years ago

Ran an experiment looking for whether this loop is ever entered by adding printf. No printouts were observed.