4Mb R file just containing .Call()s? Never seen something like that.
If these are all very small functions, lazy load won't be of that advantage, because you have to load the index file anyway.
You know, R including all base and recommended packages has just ~ 6Mb of R code. Are you really sure about your code?
Positively. The wrapped library is actually much bigger than R, it brings a few hundered new classes to R. The library has been already wrapped to other languages like java, and the loading speed for these other languages is quite reasonable. I cannot see any reasons why not this can be done with R too -- as a computational application R is supposed to be efficient in all ways.
It seems that, so far, no packages as big as this one have been created for R. I would appreciate any clues from the development team for improving the performance of big packages in R.
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