On 10/06/13 10:14, Garth N. Wells wrote:
On 28 May 2013 18:12, James Maddison <[email protected]> wrote:
A test program of mine is around 20% slower when moving from FEniCS 1.1
to FEniCS 1.2. Are the C++ optimisation flags
(parameters["form_compiler"]["cpp_optimize_flags"]) definitely applied
when using Instant 1.2? I can't see them being used by any files in
~/.instant/cache, and I can't see any obvious use in instant/build.py.
Manually rolling back to Instant 1.1 (with some surgery to UFC 2.2)
fixes the performance issue.
I've had a look in a generated CMakeLists.txt file, and it is applying
a very low level of optimisation (-O0) by default.
Could you register a bug? I'm not sure which package it should be
registered against.
Garth
James Maddison
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Registered, but this may already have been fixed:
https://bitbucket.org/fenics-project/instant/issue/11
James
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