(This article was first published on XRGB, and kindly contributed to R-bloggers)
Last time we looked at a different method of merging multiple files via fast mergin g. I highly recommend checking the fast merging function before we will translate it to a parallel solution. Parallel programming in this case means we are using more then one processor core. So even if you have a fancy 8 core machine R only uses one core if you don't use parallel functions.
In R parallel
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