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Improve DataFrame multi-axis reindexing performance on homogeneous data #836

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wesm opened this issue Feb 27, 2012 · 1 comment
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Improve DataFrame multi-axis reindexing performance on homogeneous data #836

wesm opened this issue Feb 27, 2012 · 1 comment
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0.8.0

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wesm commented Feb 27, 2012

Could reindex a float array in a single swipe instead of producing an intermediate copy. Currently very inefficient if the result object is small relative to the source object
@ghost ghost assigned changhiskhan May 5, 2012
changhiskhan pushed a commit that referenced this issue May 6, 2012
VB: DataFrame multiaxis reindex. #836
65a6d4e
@ghost ghost assigned wesm May 8, 2012
wesm added a commit that referenced this issue May 8, 2012
@wesm
ENH: special case reindexing both axes on homogeneous DataFrame for m…
9dc2bd0 
…ajor speedup, vbenchmarks #836
@wesm wesm closed this as completed in a76ba84 May 8, 2012
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wesm commented May 8, 2012

@changhiskhan got this one licked, though it was quite a bit of pain and suffering. more kludge piling up in indexing.py unfortunately. at least there's vbenches for it now

@jmarrec jmarrec mentioned this issue Dec 8, 2016
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