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use numpy.finfo instead of numpy.MachAr for speedup - #4828
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numpy.MachAr is expensive to use just to determine min/max float value; use numpy.finfo instead since it caches this information. This results in significant performance gains when updating axes limits frequently.
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#4813 is definitely related to this (it just caches the result of MachAr itself). Not sure if one approach is preferable over the other... |
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Ah I missed that pull request. Yeah that way is probably slightly faster since it avoids creating a temporary object... |
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numpy.MachAr() is expensive to use just to determine
min/max float value; use numpy.finfo() instead since
it caches this information. This results in
significant performance gains when updating axes limits
frequently.