Performance on Windows

While migrating some jobs from Travis and Appveyor to GHA, I found that windows jobs on GHA are consistently x3.5 times slower. This is surprising, because GNU/Linux and macOS jobs are about the same time. For example:

I think it might be related to, since the tests above are quite I/O intensive.

This might be a problem for many projects, specially because Actions are priced per minute.



Much appreciate your feedback!

I will raise a query internally for this ticket, and update once there is a response, thanks.

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