[Colloquium] Reminder: Talks Today at TTI-C

[Katherine Cumming]

Show and Tell Series 
Speaker:  Anders Logg, TTI-C
Speaker's Homepage:  http://www.tti-c.org//logg.html
 
Time:  Tuesday, April 26th @ 12:15pm-Lunch Provided
Place:  TTI-C Conference Room
Title:  Benchmark results for the FEniCS form compiler
Abstract:
I will discuss the current status of the FEniCS form compiler FFC and
present benchmark results for a selection of standard variational forms,
including Navier-Stokes and linear elasticity.  The new form compiler
significantly reduces the complexity of form evaluation compared to the
standard quadrature-based approach, resulting in quite impressive
speedups for many standard problems, typically a factor ranging between
10-1000.

This removes one major bottle-neck in finite element computation, where
the evaluation of variational forms usually accounts for a significant
portion of the total run-time. As a consequence, new bottle-necks are
revealed, giving directions for future research.

The talk will be hands-on and hopefully accessible to a large audience;
we will actually look at the C-code generated by the compiler and count
the flops. 
 
 
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