issue_comments: 634776667

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https://github.com/pydata/xarray/pull/4060#issuecomment-634776667 https://api.github.com/repos/pydata/xarray/issues/4060 634776667 MDEyOklzc3VlQ29tbWVudDYzNDc3NjY2Nw== 1217238 2020-05-27T16:18:24Z 2020-05-27T16:18:24Z MEMBER
  • un-equal chunking along non-core dimensions

The second is not so trivial. I see three possibilities (1) just error, (2) try dask.array.apply_gufunc if that fails issue a warning and use the old apply_blockwise (3) figure out ourselves if non-core dimensions (called loop dimensions in dask) are not-equally chunked, issue a warning and re-chunk them ourselves. Maybe @shoyer and @dcherian can weight in here.

I am pretty confident that existing behavior of xarray.apply_ufunc with un-equal chunks along non-core dimensions is entirely broken. I am OK with just erroring for now.

 
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