On 09/04/2016 10:00 PM, Dario Strbenac wrote:
Hello,
Functions such as vmatchPattern and vmatchPDict naturally lend
themselves to being parallelised. Could they be enhanced to accept a
BiocParallelParam object ? Or, is there no significant performance
difference using them as-is and having the bplapply loop surrounding
them and repeatedly calling DNAString (it's odd that vmatchPattern -
for searching BSgenome objects - requires a DNAString for the
pattern, rather than a DNAStringSet) or DNAStringSet ?
fwiw, and until there is direct support for this, probably one wants to
look at bpvec() rather than bplapply() to parallelize these. Also, one
would _not_ want to parallelize on the argument that becomes the PDict,
because this part of the calculation scales favorably with number of
elements.
Martin
-------------------------------------- Dario Strbenac University of
Sydney Camperdown NSW 2050 Australia
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