issue_comments: 706435642

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html_url issue_url id node_id user created_at updated_at author_association body reactions performed_via_github_app issue
https://github.com/pydata/xarray/issues/4498#issuecomment-706435642 https://api.github.com/repos/pydata/xarray/issues/4498 706435642 MDEyOklzc3VlQ29tbWVudDcwNjQzNTY0Mg== 2448579 2020-10-09T22:57:48Z 2020-10-09T22:57:55Z MEMBER

@mankoff (hi!) This is interesting. If I comment out .mean() I get ``` 1H xr 0.003030538558959961 1H pd 0.0014064311981201172

1D xr 0.0026717185974121094 1D pd 0.0013244152069091797 ```

i.e. we are 2x slower just on factorizing.

 
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