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323093
2010 Feb 06
2
question about bigmemory: releasing RAM from a big.matrix that isn't used anymore
Hi all,
I'm on a Linux server with 48Gb RAM. I did the following:
x <- big.matrix(nrow=20000,ncol=500000,type='short',init=0,dimnames=list(1:20000,1:500000))
#Gets around the 2^31 issue - yeah!
in Unix, when I hit the "top" command, I see R is taking up about 18Gb
RAM, even though the object x is 0 bytes in R. That's fine: that's how
bigmemory is supposed to