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2010 Apr 23
2
bigmemory package woes
...by the way on Red Hat
Linux, 64 bit R version 10.
Simplest problem is just saving matrices. When i do something like
r<-matrix(rnorm(100), nr=10); librarybigmemory)
for(i in 1:3) xx<-as.big.matrix(r, backingfile=paste("r",i, sep="",
collapse=""), backingpath=MyDirName)
it works just fine -- saves small matrices as three different matrices on
disc. However, when i try it with real size, like
with r<-matrix(normal(50000000), nr=1000)
I am either getting seg fault on saving the third big matrix, or hang
forever.
Am i doing something obviously wrong, or is...