Dear list,

I'm trying to use the bplapply function in a multicore way but it doesn't work. The OS is Mac OS X (Sierra) and the macbook has 4 threads. 

To test the method, I have simply run the example code

bplapply(1:6, sqrt, BPPARAM = MulticoreParam(3))

But, nothing occurs in the R console and the session is broken. The loop never ends and I need to force de program close. When I checked the cpus usage nothing is running. 

When I run the same example but using the SerialParam with 1 or more than 1 worker or when I use the SerialParam function all is ok.

Can somebody help me? 

Thanks, Gabriela.

sessionInfo()

R version 3.3.1 (2016-06-21)
Platform: x86_64-apple-darwin13.4.0 (64-bit)
Running under: OS X 10.12 (Sierra)

locale:
[1] es_ES.UTF-8/es_ES.UTF-8/es_ES.UTF-8/C/es_ES.UTF-8/es_ES.UTF-8

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:
[1] BiocParallel_1.8.0

loaded via a namespace (and not attached):
[1] snow_0.4-2     parallel_3.3.1

Please see the response and follow up at A: BiocParallel not proceeding and my apologies for the delay.

Thank you very much. The problem was solved after the BiocParallel updating to 1.8.1 version and the addition of  "options(bphost="localhost") in my R code before to the bplapply use.