I use Genymotion in Windows 10 to debug responsive native applications.
The launch did not take 10 minutes, as described in the question, but everything was slow: it took several seconds to update, when I updated my code (and it was set to "live reboot"), it took several seconds to respond to the request. click in the input field, etc.
If you look at the basic idea of the performance of the task manager, the only parameter that looked problematic (almost 100%) was memory.
The emulator was defined with 4 GB of memory (and 4 processors). I am using genmyotion version 3.0.2 with virtual box 6.0.4.
I tried a lot of things, and the only thing that helped me was, unsurprisingly, increasing the memory on my computer from 8 GB to 16 GB (this is a Dell Inspiron 3576 with an i7-8550U @ 1.80 GHz processor [Cores4]). With 16 GB of memory, I have no performance problems (until the next Windows update :)
Yossi
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