I have a project with 10 workflows, and each flow uses at least 6 tracks (averagely 7-12 tracks per flow).
I found that exporting them once for all can lead to the responsivelessness of vstaudio engine, making me wonder whether the following factor matters:
the number of cores.
if cores doesn’t matter, then basic frequency. (Turboboosted frequency may be unable to hold for a really long time on laptop.)
If WAV or AIFF, the file size only gets affected by the time duration length of your audio file.
If FLAC, as a loseless format, it takes smaller file sizes in low-volume sections (especially silenced sections).
Supposed that you have a drum kit and you are gonna export each drum part into a stem, then FLAC can really be a badass file size saver.