PERF: NDArrayBackedExtensionArray in cython #40840
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jreback added Internals 
jreback approved these changes Apr 14, 2021
| obj = cls._simple_new(arr, arr.dtype) | ||
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| # for foo in [arr, dta, obj]: ... | ||
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nice, reproducible benchmarks!
yeshsurya pushed a commit to yeshsurya/pandas that referenced this pull request Apr 21, 2021
yeshsurya pushed a commit to yeshsurya/pandas that referenced this pull request May 6, 2021
JulianWgs pushed a commit to JulianWgs/pandas that referenced this pull request Jul 3, 2021
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This is a reboot of #40054, implements NDArrayBacked in a new arrays.pyx rather than in lib.pyx. The perf benefits have improved since #40054, as there is now the prospect of implementing a NDArrayBackedExtensionBlock in cython which will appreciably improve constructor and slicing performance.