Super-slow build cache on Windows?

is it to be expected that caching performance is much worse on Windows, compared to Linux and OSX?
Can it be a consequence of Windows Defender? Can it get disabled before unpacking the caches?

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See this post for how to disable Windows Defender before cache download begins.

@tanzislam thanks!
I packed it into Gravis-CI

    # This is a convenience variable for shortening download commands
    - GRAVIS=""
    # If you use Windows, you may want to disable Windows Defender. It slows down the builds
    # dramatically, also during cache setup. From a Tanzinul Islam's idea:,
    # This work around disables it before caching
    - NO_WIN_DEFENDER=$(curl "${GRAVIS}" --output && source
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