issue_comments: 886253326

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https://github.com/pydata/xarray/pull/5542#issuecomment-886253326 https://api.github.com/repos/pydata/xarray/issues/5542 886253326 IC_kwDOAMm_X8400ycO 5635139 2021-07-25T20:25:15Z 2021-07-25T21:19:01Z MEMBER

~Yeah, I guess if someone does x = y.transpose() and then x[0] = 42, then y would be inconsistently updated. Don't think we're likely to get copy-on-write semantics soon!~

~So maybe this is the best we can hope for.~

Edit: actually is this already implemented? https://github.com/pydata/xarray/blob/main/xarray/core/variable.py#L1441-L1444. Does interpolate not hit this code path?

Is it worth adding an ASV? I've found them fairly quick to set up a new one, though takes some lift to set up the environment etc. I think in general we should try and have them for performance work, so we can track if it regresses.

 
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