[Bioc-devel] BiocParallel on macosx: socketConnection failures with MulticoreParam

[Martin Morgan]

Does it help to use the argument manager.hostname="localhost" (or indeed 
the name of your computer) following

https://support.bioconductor.org/p/88307/#88874

? and can you clarify about how you explored using different ports? See 
also ?SnowParam section 'Global Options'

Martin

On 11/22/2017 12:56 PM, Vincent Carey wrote:
> from example(bplapply), after register(MulticoreParam(2, timeout=5))
> 
> bplppl> bplapply(1:10, fun)
> 
> *Error in socketConnection(host, port, TRUE, TRUE, "a+b", timeout =
> timeout) : *
> 
> *  cannot open the connection*
> 
> *In addition: Warning message:*
> 
> *In socketConnection(host, port, TRUE, TRUE, "a+b", timeout = timeout) :*
> 
> *  problem in listening on this socket*
> 
> I have tried turning off firewall, setting an open port, etc., to no avail.
> 
> 
>> options(mc.cores=2); system.time(mclapply(1:10, function(x)Sys.sleep(1)))
> 
>     user  system elapsed
> 
>    0.264   0.114   5.014
> 
>> sessionInfo()
> 
> R version 3.4.3 beta (2017-11-20 r73757)
> 
> Platform: x86_64-apple-darwin15.6.0 (64-bit)
> 
> Running under: macOS Sierra 10.12.6
> 
> 
> Matrix products: default
> 
> BLAS:
> /Library/Frameworks/R.framework/Versions/3.4/Resources/lib/libRblas.0.dylib
> 
> LAPACK:
> /Library/Frameworks/R.framework/Versions/3.4/Resources/lib/libRlapack.dylib
> 
> 
> locale:
> 
> [1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8
> 
> 
> attached base packages:
> 
> [1] parallel  stats     graphics  grDevices utils     datasets  methods
> 
> [8] base
> 
> 
> other attached packages:
> 
> [1] boot_1.3-20         BiocParallel_1.12.0 rmarkdown_1.8
> 
> 
> loaded via a namespace (and not attached):
> 
>   [1] compiler_3.4.3  backports_1.1.1 magrittr_1.5    rprojroot_1.2
> 
>   [5] tools_3.4.3     htmltools_0.3.6 Rcpp_0.12.13    stringi_1.1.6
> 
>   [9] knitr_1.17      stringr_1.2.0   digest_0.6.12   evaluate_0.10.1
> 
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> 
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