I'm not seeing a leak. The below is for trilinos. VSIZE grows to about 11 MiB 
and saturates and RSS saturates at around 5 MiB. VSIZE is more relevant for 
tracking leaks, as RSS is deeply tied to your system's swapping architecture 
and what else is running; either way, neither seems to be leaking, but this 
problem does use a lot of memory.

What do I need to do to get it to run longer?



On Mar 25, 2016, at 7:16 PM, Michael Waters 
<waters.mik...@gmail.com<mailto:waters.mik...@gmail.com>> wrote:

Hello,

I still have a large memory leak when using Trilinos. I am not sure where to 
start looking so I made an example code that produces my problem in hopes that 
someone can help me.

But! my example is cool. I implemented Density Functional Theory in FiPy!

My code is slow, but runs in parallel and is simple (relative to most DFT 
codes). The example I have attached is just a lithium and hydrogen atom. The 
electrostatic boundary conditions are goofy but work well enough for 
demonstration purposes. If you set use_trilinos to True, the code will slowly 
use more memory. If not, it will try to use Pysparse.

Thanks,
-Michael Waters
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