On Tue, Sep 16, 2008 at 12:16 PM, Yann Le Du <[EMAIL PROTECTED]> wrote: > > Hello, > > I tried to email the person apprently responsible for dsage, Yi Qiang, > about this, to no avail, so I turn to the list. > > I use sage, v. 3.1.1, and am trying to build an application (Monte Carlo > stuff) and use dsage to parallelize the code : very easy stuff, just do a > series of jobs, done normally in sequence on a single computer, in > parallel on many.
Is it a bunch of computers all over on a network? Just curious what sort of "many computers" you have at your disposal. > > So I fiddled around with dsage, managed to understand the basics, and I > find it very good, yet I have a few questions/remarks : > > 1/ Why isn't there a clear, publicized, illustrated description of how to > use dsage ? I managed to make it work, but only after googling hard. > > 2/ How can I send a job to a worker that will output intermediate values ? > I mean, say the job sent to a particular worker computes some value, and > that it takes 100 iterations, how can I output temporary values every 10 > iterations and have the server report those intermediate values ? > > 3/ I noticed that workers can connect any time, really, and receive jobs > even if they connect to the server only after the server started some > sequence of jobs, which is cool. But I also noticed that if a worker gets > killed, then its job gets lost. Isn't it possible for the server to check > if a worker is alive, every once in a while, and if not requeue its job ? > > 4/ What is the function I can use to check which worker did what, and if > it's alive, and what job got interrupted. > > 5/ What test can I apply to a dsage job to see if it's finished ? Say a > job outputs a list, and I want to plot it, can I say something like "If > there is some output, plot it, otherwise wait." ? > > 6/ If you have any notes, drafts, illustrating some of dsage > functionalities, I'd be more than happy to check them out. > > Cheers, > > -- > Yann Le Du > > > > > -- William Stein Associate Professor of Mathematics University of Washington http://wstein.org --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
