[R] registerDoParallel and R CMD check --as-cran errors

Witold E Wolski wewolski at gmail.com
Wed Sep 2 14:39:38 CEST 2015

I am testing a package with

R CMD check
R CMD check --as-cran

some code which is run in the examples section uses the foreach and
doParallel package.

When run with --as-cran I have an error.
registerDoParallel function causes an error.

Error in .check_ncores(length(names)) : 6 simultaneous processes spawned
Calls: annotatePeptides ... registerDoParallel -> makeCluster ->
makePSOCKcluster -> .check_ncores

What should can I do to prevent this error and pas the --as-cran check?

best regards

Witold Eryk Wolski

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