PERF: DataFrameGroupBy var and std #34771

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rhshadrach opened this issue Jun 14, 2020 · 1 comment

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Groupby Performance

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rhshadrach commented Jun 14, 2020 •

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Performance on wide and short frames decreased due to #34372, timings are in the OP there. std is computed by calling var.

rhshadrach added Groupby Performance labels

rhshadrach changed the title ~~PERF: DataFrameGroupBy.var~~ PERF: DataFrameGroupBy var and std

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Performance regression in stat_ops.FrameMultiIndexOps.time_op #35050

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TomAugspurger commented Jul 7, 2020

There's more discussion in #35050 so lets close this.

TomAugspurger closed this as completed

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