Barry Smith <[email protected]> writes: >> On Jun 28, 2016, at 9:30 AM, Jed Brown <[email protected]> wrote: >> >> Thanks, Barry. My blunder with the tests. Should we still try to do the >> optimization? > > I don't know, but it is creating a whole bunch of matrices which I didn't > understand since with only RHS Jacobian it should be able to just use the one > matrix. > > So is it ending up with 3 matrices in memory requiring 3 times the memory > needs? Definitely a bad thing! > > Perhaps you can debug why my optimization broke the reuse ability and fix > the reuse issue (if it is fixable) with my optimization? I don't have time to > do it now.
I'm not confident enough to do it now and I'm about to go offline in India for a few weeks. Hopefully this will help me get back to it. https://bitbucket.org/petsc/petsc/issues/135/memory-optimization-for-ts
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