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PERF: groupby / frame apply optimization #7881

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Merged
merged 2 commits into from
Jul 30, 2014
Merged

PERF: groupby / frame apply optimization #7881

merged 2 commits into from
Jul 30, 2014

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@jreback jreback commented Jul 30, 2014 

------------------------------------------------------------------------------- Test name | head[ms] | base[ms] | ratio | ------------------------------------------------------------------------------- groupby_frame_apply_overhead | 9.1400 | 70.3743 | 0.1299 | groupby_frame_apply | 43.5640 | 186.6427 | 0.2334 | groupby_apply_dict_return | 39.6016 | 80.1926 | 0.4938 |
@jreback jreback added this to the 0.15.0 milestone Jul 30, 2014
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jreback commented Jul 30, 2014

was introduced earlier in 0.15.0, now going back to the prior perf
jreback added a commit that referenced this pull request Jul 30, 2014
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Merge pull request #7881 from jreback/apply_optimize
57cca51 
PERF: groupby / frame apply optimization
@jreback jreback merged commit 57cca51 into pandas-dev:master Jul 30, 2014
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Performance Memory or execution speed performance Regression Functionality that used to work in a prior pandas version

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