On 1/24/20 11:52 AM, Jonathan Russ wrote:
>
> Since you asked I decided to time each thing individually that I
> commented out to make sure I knew which function call was taking so
> long. It turns out that I was incorrect before when I said that
> extract_constant_modes was slow. I was initializing the preconditioner
> immediately afterward for some reason with a zero matrix. This
> initialization was the reason for additional time. I apologize for the
> misleading title of the topic now and will be more careful next time.
:-) You just supported the general rule that even good programmers can't
tell where their bottlenecks are without actually putting timers into
their codes ;-)
Best
WB
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Wolfgang Bangerth email: bange...@colostate.edu
www: http://www.math.colostate.edu/~bangerth/
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