[Bioc-devel] clarification of the BiocParallel vignette for SnowParam() usage

[Martin Morgan]

On 10/10/2017 04:56 AM, Aaron Lun wrote:
> Dear list;
> 
> 
> Currently the vignette for the BiocParallel package states that the functions to be executed should contain the necessary library() calls if bplapply is used with SnowParam(). Now, I use bplapply in several of my packages with internal helper/wrapper functions, and that piece of advice caused me to worry whether I should have library() calls in all of these functions.
> 
> 
> After some testing and contemplation, I realised that the internal functions would pass along the package namespace to each worker, and so no extra loading was required. Perhaps it would be a good idea to mention this in the vignette, to soothe the hearts of package developers like me.
> 
> 
> Some mention of the memory consumption behaviour of MulticoreParam would also be useful (as discussed in https://support.bioconductor.org/p/70196/#70509), especially if people are choosing between MulticoreParam and SnowParam.

Thanks Aaron, tried to address that in 
https://github.com/Bioconductor/BiocParallel/commit/0e1b75087a66927b4ac593e806f0a677dab52bbf

Martin

> 
> 
> Cheers,
> 
> 
> Aaron
> 
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> 
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