Hello everyone,
I'm trying to parallelize an R script I have written. To do this, I am
first trying to use the multicore package, because I've had some previous
success with that.
The function I'm trying to parallelize is illumqc. I'd like to create a
separate process for each of 8 files, contained in the vector "files".
Below is my code:
for(i in 1:length(files)){
mcparallel(illumqc(files[i]))}
I get the following error:
Error in sendMaster(serialize(try(eval(expr, env), silent = TRUE), NULL,
:
ignoring SIGPIPE signal
Calls: mcparallel -> sendMaster -> .Call
In addition: Warning message:
In min(which(alf != 0)) : no non-missing arguments to min; returning Inf
However, if I try and make a simpler example, everything works correctly,
so I'm not sure what's going wrong with this function. Do I need to post
the contents of the function as well? I'm hoping someone can recognize
this error and give me a clue as to what is going wrong since the function
is fairly long.
Thanks in advance,
Wyatt
> sessionInfo()
R version 2.13.1 (2011-07-08)
Platform: x86_64-unknown-linux-gnu (64-bit)
locale:
[1] LC_CTYPE=en_US.UTF-8 LC_NUMERIC=C
[3] LC_TIME=en_US.UTF-8 LC_COLLATE=en_US.UTF-8
[5] LC_MONETARY=C LC_MESSAGES=en_US.UTF-8
[7] LC_PAPER=en_US.UTF-8 LC_NAME=C
[9] LC_ADDRESS=C LC_TELEPHONE=C
[11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] ShortRead_1.10.4 Rsamtools_1.4.3 lattice_0.19-30
[4] Biostrings_2.20.4 GenomicRanges_1.4.8 IRanges_1.10.6
[7] multicore_0.1-7
loaded via a namespace (and not attached):
[1] Biobase_2.12.2 grid_2.13.1 hwriter_1.3
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