http://savannah.gnu.org/projects/parallel/ Has anyone considered using something like Parallel under the covers in Galaxy for simple parallel processing like Bowtie. Essentially it works like xargs but can execute across multiple hosts and cores. I thought I would check with the community before spending any serious time evaluating it. Thanks! -- Jesse Erdmann Bioinformatics Analyst Masonic Cancer Center University of Minnesota jerdmann@umn.edu 612-626-3123 jesse@jesseerdmann.com Twitter: http://twitter.com/jesseerdmann