Comment 7 for bug 426512
Revision history for this message
| Anders Logg (logg) wrote Re: [Bug 426512] Re: Problems parsing form file with diff and derivative | #7 |
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0f7b58d
(Get the code!)
On Thu, Sep 10, 2009 at 12:04:21PM -0000, oelgaard wrote:
> I have fixed the issues with variable and exponents != IntValue, so the
> above form should compile with FFC now.
>
> I can confirm that it takes 2m46s (166s) to compile the form on my
> machine and the bottlenecks are:
>
> expand_indices, time = 114.66s
> visit integrand, time = 36.59s
>
> expand_indices is a UFL algorithm, so to make things faster we will have to generate code without calling this.
> The time spent in visit integrand might be reduced if we don't call expand_indices on the integrand.
>
> This bug should be fixed and I'm going to close it unless anyone has
> objections. We can create an appropriate blueprint to take care of the
> compile time issue.
We should not call expand_indices. It's something I added to fix the
lhs/rhs bug. We just need to decipher Martin's instructions to find
out what the correct fix is... :-)
--
Anders