UI performance of Mac OS guest

Discussion in 'Mac OS X Guest OS Discussion' started by SteffenM4, Nov 30, 2021.

  1. SteffenM4

    SteffenM4 Bit Poster

    Dear forums,
    I am running a Catalina VM with 32 GB of RAM on a new 2020 i9 iMac with 128 GB RAM (I'm doing software development for a client that requires a lot of running docker containers, that's why it is so much RAM).
    The UI of the Catalina guest is somewhat sluggish. For example resizing windows, moving windows, scrolling on large web pages and so on there is always a lag of up to some seconds. It feels like working on a 15 year old machine.
    The performance of the VM in general is sufficient though. Build times are ok, IntelliJ runs ok in general.

    Any help possible? What size of graphic memory should I use for the best performance inside the guest vm?

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