Short summary of the problem
Over the past couple of years, I have been developing an R package that has several functions that call pre-compiled Stan models (using the rstan sampling function). Recently I have been using some of these functions in a simulation study with computations being done on several different Windows computers. I soon realized that large numbers of randomly named folders (with names like RtmpIB8N2A) were being left behind in the AppData\Local\Temp, even when everything terminated correctly and R was exited normally. The folders contain one or two dll files.
Is this expected behavior? Is there an easy way to force cleanup while the simulation is running?
I am using R version 3.6.2 and rstan version 2.19.2.
If possible, add also code to simulate data or attach a (subset of) the dataset you work with.
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