syfi team mailing list archive

["Martin Sandve Alnæs" <martinal@xxxxxxxxx>]

Common Subexpression Elimination.

Basically, given:
b = x + y + z

it can find:
a = x + y
b = a + z

but it's not optimal.

-- 
Martin


2007/9/10, logg@xxxxxxxxx <logg@xxxxxxxxx>:
> What is a CSE?
>
> /Anders
>
>
> > One or more new changesets pushed to the primary SyFi repository.
> > A short summary of the last three changesets is included below.
> >
> > changeset:   734:1b839c27a604ea52a27f3e4653312b8ceff1278f
> > tag:         tip
> > user:        "Martin Sandve Alnæs <martinal@xxxxxxxxx>"
> > date:        Mon Sep 10 11:56:04 2007 +0200
> > files:       python/sfc/optimize/opt2.py
> > description:
> > Implemented a sort of CSE in Python, not well tested yet.
> >
> >
> > changeset:   733:92cda5611dfa503c8cddcb396f236e48b239b4d3
> > user:        "Martin Sandve Alnæs <martinal@xxxxxxxxx>"
> > date:        Fri Sep 07 16:44:01 2007 +0200
> > files:       python/sfc/optimize/opt2.py
> > description:
> > Implemented eliminate_equal_expressions.
> >
> >
> > changeset:   732:5cc3309c444dc0fe0a29a7b73ff73dad9aee0cb0
> > user:        "Martin Sandve Alnæs <martinal@xxxxxxxxx>"
> > date:        Fri Sep 07 16:10:17 2007 +0200
> > files:       python/sfc/optimize/opt2.py
> > description:
> > Finished implementation of extract_functions.
> >
> >
> > ----------------------------------------------------------------------
> > For more details, visit http://www.fenics.org/hg/syfi
> > _______________________________________________
> > SyFi-dev mailing list
> > SyFi-dev@xxxxxxxxxx
> > http://fenics.org/mailman/listinfo/syfi-dev
> >
>
>
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