issue_comments: 1290180708

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https://github.com/pydata/xarray/issues/7181#issuecomment-1290180708 https://api.github.com/repos/pydata/xarray/issues/7181 1290180708 IC_kwDOAMm_X85M5phk 43316012 2022-10-25T08:27:43Z 2022-10-25T08:29:28Z COLLABORATOR

You call DataArray.copy ~650 times which sounds reasonable (you could check if you really need deep copies!).

But then somehow DataArray._copy is called ~500k times. So somewhere you must have some DataArrays in places where there should be none (in attrs, e.g.).

There are some copy calls from alignments, but I don't see how that adds up to this number...

 
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