On Mon, Aug 08, 2011 at 10:38:37AM -0500, Andy Ray Terrel wrote: > On Mon, Aug 8, 2011 at 10:27 AM, Johan Hake <johan.h...@gmail.com> wrote: > > On Monday August 8 2011 04:33:41 Anders Logg wrote: > >> On Wed, Aug 03, 2011 at 08:49:24PM -0700, Johan Hake wrote: > >> > Hello! > >> > > >> > Why do we write generated code to file when the jit compilation is used? > >> > This introduce a cause of error which has annoyed me for some time now. > >> > Instead of writing the code to file and then in ufc.build we just read > >> > the file again, we could just pass the code as a single str. > >> > > >> > This would save us for a lot of hassle with file access during server > >> > run. When several runs are commited and executed at one time I > >> > experience a lot of runs that stops prematurely because of file access > >> > problem. This "should" have been fixed by some file locking mechanism > >> > which really is not working. > >> > > >> > If you think this is a cool thing to do I can do the work. We just have > >> > to add a parameter, or an extra argument to some ffc functions and > >> > change the interface to ufc.build. > >> > >> One advantage is that it's possible to inspect the generated code in > >> ~/.instant/cache if it fails. > > > > That is true. But this can be accomplished by looking into the generated .i > > file instead. > > As FEniCS tries to run on bigger machines, the need to not write to > files becomes more important. Many of the top machines do not have > disk and other things. I think this feature would be necessary for > those machines.
But isn't the problem still there? We still need to write the .i file, and gcc spits out a .so file. And other files are still being written to the cache directory, so I don't see the big benefit in removing only one of those files. -- Anders > -- Andy > > > > > Johan > > > > _______________________________________________ > > Mailing list: https://launchpad.net/~ffc > > Post to : ffc@lists.launchpad.net > > Unsubscribe : https://launchpad.net/~ffc > > More help : https://help.launchpad.net/ListHelp > > > > _______________________________________________ > Mailing list: https://launchpad.net/~ffc > Post to : ffc@lists.launchpad.net > Unsubscribe : https://launchpad.net/~ffc > More help : https://help.launchpad.net/ListHelp _______________________________________________ Mailing list: https://launchpad.net/~ffc Post to : ffc@lists.launchpad.net Unsubscribe : https://launchpad.net/~ffc More help : https://help.launchpad.net/ListHelp
