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. --------------------------------------------------------------------------- Jeff Newmiller The ..... ..... Go Live... DCN:<jdnew...@dcn.davis.ca.us> Basics: ##.#. ##.#. Live Go... Live: OO#.. Dead: OO#.. Playing Research Engineer (Solar/Batteries O.O#. #.O#. with /Software/Embedded Controllers) .OO#. .OO#. rocks...1k --------------------------------------------------------------------------- Sent from my phone. Please excuse my brevity.
flora flora <floraflora...@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. > > [[alternative HTML version deleted]] > >______________________________________________ >R-help@r-project.org mailing list >https://stat.ethz.ch/mailman/listinfo/r-help >PLEASE do read the posting guide >http://www.R-project.org/posting-guide.html >and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.