dolfin team mailing list archive

[Johan Hake <hake@xxxxxxxxx>]

On Saturday 31 May 2008 23:10:05 DOLFIN wrote:
> One or more new changesets pushed to the primary dolfin repository.
> A short summary of the last three changesets is included below.
>
> changeset:   4271:8431a991a0be07ead18512308cf293a309d4b2a5
> tag:         tip
> user:        Anders Logg <logg@xxxxxxxxx>
> date:        Sat May 31 23:09:58 2008 +0200
> files:       demo/mesh/ale/cpp/main.cpp demo/mesh/ale/python/demo.py
> dolfin/parameter/DefaultParameters.h site-packages/dolfin/assemble.py
> description:
> Several Python assembly optimizations and new options:
> The following options are now available:
>
>   dolfin_set("optimize form", True)              # Use optimization -O2
> when compiling generated code dolfin_set("optimize use dof map cache",
> True) # Store dof maps in cache for reuse dolfin_set("optimize use tensor
> cache", True)  # Store tensors in cache for reuse
>
>   dolfin_set("optimize", True)                   # All of the above
>
> Each one of these may make a significant difference for the
> speed of assembly from Python, in particular for repeated
> assembly.
>
> With these options set, the difference in speed between assembly
> in C++ and Python using the JIT compiler is negligible. (For forms
> which don't depend on functions that are evaluated in Python.)

Nice features!

It would be nice to be able to use inlined and just in time compiled c++ 
functions, avoiding the time consuming python callback functions.

Johan

>
>
> changeset:   4270:0ea1d99a0dede858aceb15247169ad5040abc3cc
> parent:      4268:ccc6a7a0ad73923bd43e737e52b113c42d58f926
> parent:      4269:811e40aaefa5bcc49fec4dc08d867c45764960aa
> user:        Anders Logg <logg@xxxxxxxxx>
> date:        Thu May 29 22:41:47 2008 +0200
> files:       dolfin/mesh/ALE.cpp
> description:
> Merge bug fix in ALE by Solveig
>
>
> changeset:   4269:811e40aaefa5bcc49fec4dc08d867c45764960aa
> parent:      4263:79866a90eaa56a0f51f4892190124c2b2071e1f3
> user:        Solveig Bruvoll <solveio@xxxxxxxxxx>
> date:        Thu May 29 10:54:43 2008 +0200
> files:       demo/mesh/ale/cpp/main.cpp dolfin/mesh/ALE.cpp
> description:
> Changed direction of normal vectors
>
> ----------------------------------------------------------------------
> For more details, visit http://www.fenics.org/hg/dolfin
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