[ENHANCEMENT] move_rank is twice as slow as pandas.rolling.rank

pydata / bottleneck

Fast NumPy array functions written in C

BSD 2-Clause "Simplified" License

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[ENHANCEMENT] move_rank is twice as slow as pandas.rolling.rank #438

Open kaixiongg opened 11 months ago

kaixiongg commented 11 months ago

Since the release of Pandas version 1.5.0, the rolling function in Pandas has become significantly faster. Is there a more efficient algorithm available for implementing move_rank?