Hi, I tried running in serial and this takes around 14GB of memory with 332,750 HEX elements. Thanks, Subramanya
> From: [email protected] > To: [email protected]; [email protected] > Date: Thu, 22 Aug 2013 18:15:48 -0400 > Subject: Re: [Libmesh-users] memory usage by build_sparsity() > > Hi John, I have around 250000 HEX 20 elements with 3 dof per node (3D > elasticity). I am running this in parallel with around 4 mpi processes. > Thanks, Subramanya > > From: [email protected] > Date: Thu, 22 Aug 2013 16:06:00 -0600 > Subject: Re: [Libmesh-users] memory usage by build_sparsity() > To: [email protected] > CC: [email protected] > > > > > On Thu, Aug 22, 2013 at 3:59 PM, subramanya sadasiva <[email protected]> > wrote: > > > Hi, I have been running into trouble with 3D simulations owing to excessive > memory usage in build_sparsity(). The code becomes unusable for any systems > larger than 250,000 hex20 elements on a machine with 16GB of RAM. I have a > feeling that this is a bit excessive. Is this what is expected? Is there a > way to reduce the memory usage while building the sparsity? > > > Have many variables do you have? > What type of finite elements are you using? > Are you running in serial or parallel? > > > -- > John > > ------------------------------------------------------------------------------ > Introducing Performance Central, a new site from SourceForge and > AppDynamics. Performance Central is your source for news, insights, > analysis and resources for efficient Application Performance Management. > Visit us today! > http://pubads.g.doubleclick.net/gampad/clk?id=48897511&iu=/4140/ostg.clktrk > _______________________________________________ > Libmesh-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/libmesh-users ------------------------------------------------------------------------------ Introducing Performance Central, a new site from SourceForge and AppDynamics. Performance Central is your source for news, insights, analysis and resources for efficient Application Performance Management. Visit us today! http://pubads.g.doubleclick.net/gampad/clk?id=48897511&iu=/4140/ostg.clktrk _______________________________________________ Libmesh-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/libmesh-users
