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Message #17088
Re: [Question #95433]: Dolfin 0.9.5 slowdown
Question #95433 on DOLFIN changed:
https://answers.launchpad.net/dolfin/+question/95433
Nuno Lopes gave more information on the question:
On the other hand, I've tested the dolfin poisson demo and I'get:
In both case also with LU by uBLAS UMFPACK
0.9.2:
Summary of timings | Average time Total time Reps
-----------------------------------------------------
Assemble cells | 0.005 0.01 2
Build sparsity | 0 0 2
Delete sparsity | 0 0 2
Init dof map | 0 0 2
Init tensor | 0 0 2
LU solver | 0 0 1
POISSON | 0.05 0.05 1 "(sometimes 0.06)"
and 0.9.5:
Summary of timings | Average time Total time Reps
-----------------------------------------------------------
Assemble cells | 0.005 0.01 2
Assemble exterior facets | 0 0 1
Build sparsity | 0 0 2
Delete sparsity | 0 0 2
Init tensor | 0 0 2
LU solver | 0.01 0.01 1
POISSON | 0.08 0.08 1 "(sometimes 0.07)"
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