[R] Why was my R process killed spontaneously?

[Jeff Newmiller]

Yes. Operating systems kill processes that consume excessive resources. That excess may arise from one large computation or from a small one on top of many other allocations... the "straw that broke the camel's back" problem.
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Sent from my phone. Please excuse my brevity.

flora flora <floraflora196 at gmail.com> wrote:

>I tried to use gpuCor function in the gputools package of R to calcuate
>the
>pairwise correlations of a matrix of 40,000 columns.
>
>Becuase there would be memory issues if I use the whole matrix at a
>time, I
>splitted the matrix into submatrix of 10,000 columns and then calculate
>the
>pairwise correlation of different submatrices. There are altogether 4
>submatrices, so I need to calculate the pearson correlation of sub
>matrix 1
>with sub matrix 1,2,3,4, and sub matrix 2 with submatrix 1,2,3,4, etc.
>
>The program runs well at first, but at the last step, which is
>calculating
>the correlation between submatrix 4 with itself, the program was killed
>and
>gave no error messages.
>
>Have anybody else encountered this before?
>
>Actually it doesn't have to be related with gpuCor. Just generally
>speaking, in what circumstances would a R program be killed
>spontaneously
>without any error messages?
>
>Thanks.
>
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>
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