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PERF: imporves performance in SeriesGroupBy.value_counts #10909

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Merged
merged 1 commit into from
Aug 27, 2015
Merged

PERF: imporves performance in SeriesGroupBy.value_counts #10909

merged 1 commit into from
Aug 27, 2015

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behzadnouri
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Test name                                    | head[ms] | base[ms] |  ratio   |
-------------------------------------------------------------------------------
groupby_ngroups_10000_value_counts           |  11.4880 | 6698.5627 |   0.0017 |
groupby_ngroups_100_value_counts             |   1.3397 |  69.8457 |   0.0192 |
-------------------------------------------------------------------------------
Test name                                    | head[ms] | base[ms] |  ratio   |
-------------------------------------------------------------------------------

Ratio < 1.0 means the target commit is faster then the baseline.
Seed used: 1234

Target [d587be8] : PERF: imporves performance in SeriesGroupBy.value_counts
Base   [a3c4b59] : TST: pythonxs link seems to have changed in test_html.py, skip tests

@jreback jreback added Groupby Performance Memory or execution speed performance labels Aug 27, 2015
@jreback jreback added this to the 0.17.0 milestone Aug 27, 2015
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jreback commented Aug 27, 2015

wow, you made this crazy fast! thanks!

jreback added a commit that referenced this pull request Aug 27, 2015
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Merge pull request #10909 from behzadnouri/grby-val-cnt
c3a4de3 
PERF: imporves performance in SeriesGroupBy.value_counts
@jreback jreback merged commit c3a4de3 into pandas-dev:master Aug 27, 2015
@behzadnouri behzadnouri deleted the grby-val-cnt branch August 27, 2015 11:19
@jreback jreback mentioned this pull request Aug 27, 2015
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