On 24/05/2012 15:23, Anja Le Blanc wrote: > Dear Taverna Developers, Hello Anja,
Sorry for the delay in replying. [snip] > Is using nested workflows introducing large overheads, or is it more the > case that it is just switching to another service? I think the only way to tell is to look at more detailed provenance information to see what is taking the time. Alternatively, can you try running it in memory and also with/without provenance? > The whole purpose of the exercise is of course to speed up the workflow > by finding the bottle necks. I am not sure how the progress report can > help with that. > > The computer I am running this on has four cores. Does Taverna run > different services in implicitly parallel In general yes, although it can be limited by the service type. For example, I think you cannot run two R services at the same time because of limitations on R server. > or is it just the 'user > defined' parallelism over 'services'? That controls how many calls of a service instance can happen at the same time. You can certainly increase that if you want. It can be dangerous though as some service providers could interpret it as a denial of service attack. > Best regards, > Anja Alan ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ taverna-users mailing list [email protected] [email protected] Web site: http://www.taverna.org.uk Mailing lists: http://www.taverna.org.uk/about/contact-us/
