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Grouping should be parallelized #1284

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st-pasha opened this issue Sep 11, 2018 · 0 comments · Fixed by #1285
Closed

Grouping should be parallelized #1284

st-pasha opened this issue Sep 11, 2018 · 0 comments · Fixed by #1285
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groupby Group-by functionality and Reducers performance Issues focused on the speed of execution of various datatable functions.
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Release 0.7.0

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st-pasha commented Sep 11, 2018 •
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Grouping calculation is still not parallel in datatable, which means its performance can be improved by going parallel. See the current benchmark results.
We should try to do it before the standup.

Similar FR was also filed for data.table: Rdatatable/data.table#3042
@st-pasha st-pasha self-assigned this Sep 11, 2018
@st-pasha st-pasha added performance Issues focused on the speed of execution of various datatable functions. groupby Group-by functionality and Reducers labels Sep 11, 2018
@st-pasha st-pasha mentioned this issue Sep 11, 2018
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@st-pasha st-pasha added this to the Release 0.7.0 milestone Jan 29, 2020
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groupby Group-by functionality and Reducers performance Issues focused on the speed of execution of various datatable functions.
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Release 0.7.0
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Parallelize groupby calculations h2oai/datatable
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