Programs and libraries for graph, mesh and hypergraph partitioning

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Programs and libraries for graph, mesh and hypergraph partitioning

Programs and libraries for graph, mesh and hypergraph partitioning Its purpose is to apply graph theory, with a divide and conquer approach, to scientific computing problems such as graph and mesh partitioning, static mapping, and sparse matrix ordering, in application domains ranging from structural mechanics to operating systems or bio-chemistry.

The SCOTCH distribution is a set of programs and libraries which implement the static mapping and sparse matrix reordering algorithms developed within the SCOTCH project.

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6 derived packages
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Source Files

Filename	Size	Changed
_link	0000000124 124 Bytes	almost 5 years ago
_multibuild	0000000357 357 Bytes	over 5 years ago
scotch-Makefile.inc.in	0000000455 455 Bytes	over 5 years ago
scotch.changes	0000005315 5.19 KB	almost 5 years ago
scotch.spec	0000014300 14 KB	almost 5 years ago
scotch_6.0.7.tar.gz	0006136154 5.85 MB	almost 5 years ago

Revision 21 (latest revision is 52)

Atri Bhattacharya (badshah400) accepted request 726716 from

Ana Guerrero (anag) almost 5 years ago (revision 21)

- Update to version 6.0.7:
  * bugfixes and some new minor features, such as an extension of 
    the target architecture API and MeTiS v5 compatibility.

Comments 2

Mark Olesen (openfoam) - almost 3 years ago

It doesn't seem possible to link in a serial scotch library with any of the SLE_15 variants. Is this an oversight, or are there symbol conflicts with the respective MPI variants?

Would expect something like this around line 360:

# Don't build non-HPC on SLE, but serial is still ok
%if !0%{?is_opensuse} && !0%{?with_hpc:1} && "%{flavor}" != "serial"
ExclusiveArch:  do_not_build
%endif

Mark Olesen (openfoam) - about 1 year ago

General note for scotch maintainer(s):

with OpenFOAM we noticed some regressions with scotch-7.0.1 (perhaps other versions too) and are thus currently sticking locally with scotch-6.1.0 - so some caution may be needed if/when update versions here.

In homebrew (for example), they have aggressively enabled -DSCOTCH_PTHREAD_MPI, which means that any program using ptscotch will fail if MPI is not initialized with MPI_THREAD_MULTIPLE (we normally do not use MPI threading for performance reasons). It would be nice to avoid that here.

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