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See if possible to optimize multi-key joining beyond its current state #219

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wesm opened this issue Oct 11, 2011 · 2 comments
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See if possible to optimize multi-key joining beyond its current state #219

wesm opened this issue Oct 11, 2011 · 2 comments
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0.6.0

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wesm commented Oct 11, 2011

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wesm commented Oct 13, 2011

New Cython list_to_object_array function gives about an 8x speedup. Not sure if it's possible to optimize further

wesm added a commit that referenced this issue Nov 14, 2011
@wesm
BUG: broke circular reference in Index engine, sped up MultiIndex.fro…
bc5a745 
…m_tuples, GH #219
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wesm commented Nov 14, 2011

Done about all I can do here, I think

@wesm wesm closed this as completed Nov 14, 2011
dan-nadler pushed a commit to dan-nadler/pandas that referenced this issue Sep 23, 2019
@bmoscon
Fix issues pandas-dev#219 and pandas-dev#220 (pandas-dev#221)
70e8278
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