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Old 11-12-2014, 06:20 AM   #1
Location: Europe

Join Date: Feb 2013
Posts: 58
Default No. of threads for alignment


I have desktop with following configurations:

On-line CPU(s) list:0-39
Thread(s) per core:2
Core(s) per socket:10

So If want to do alignment using bowtie or tophat, what is the maximum numebr of threads can specified for parameter "p" to facilititate faster mapping of reads.

If I want to run mapping parallely for multiple fastq files, how many number of threads can I specify to make alignment faster.
dena.dinesh is offline   Reply With Quote
Old 11-12-2014, 07:12 AM   #2
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Location: East Coast USA

Join Date: Feb 2008
Posts: 6,951

Unless you have a high speed disk sub-system at some point the processes may become I/O bound. You will need to experiment with what works on your rig (start with a sub-sampled dataset, say 50000 reads and 8 or 12 threads). Work your way up or down based on results.
GenoMax is offline   Reply With Quote

rnaseq alignment, threading

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