[Rd] Hard memory limit of 16GB under Windows?

[Samuel Granjeaud IR/Inserm]

Hi,
I am not not sure whether this topic belongs to this mail list, but I 
feel the subscribers here should be the right audience.
I noticed that the memory limit reported under Windows is 16 GB. I am 
wondering how to increase it. I didn't found anything in Rprofile.site 
nor .Rprofile. Is this limit hard coded at compilation?
Best,
Samuel
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