lam: The LAM (Local Area Multicomputer) programming environment.

Name:lam Vendor:Scientific Linux
Version:7.1.2 License:BSD
Release:14.el5 URL:
LAM (Local Area Multicomputer) is an Message-Passing Interface (MPI) programming environment and development system for heterogeneous computers on a network. With LAM/MPI, a dedicated cluster or an existing network computing infrastructure can act as one parallel computer to solve one problem. LAM/MPI is considered to be "cluster friendly" because it offers daemon-based process startup/control as well as fast client-to-client message passing protocols. LAM/MPI can use TCP/IP and/or shared memory for message passing (different RPMs are supplied for this -- see the main LAM website at for details).< LAM features a full implementation of MPI version 1 (with the exception that LAM does not support cancelling of sends), and much of version 2. Compliant applications are source code portable between LAM and any other implementation of MPI. In addition to meeting the standard, LAM/MPI offers extensive monitoring capabilities to support debugging. Monitoring happens on two levels: On one level, LAM/MPI has the hooks to allow a snapshot of a process and message status to be taken at any time during an application run. The status includes all aspects of synchronization plus datatype map/signature, communicator group membership and message contents (see the XMPI application on the main LAM website). On the second level, the MPI library can produce a cumulative record of communication, which can be visualized either at runtime or post-mortem.

Arch: i386

Build Date:Wed May 21 18:18:35 2008
Size:762 KiB


* Thu Apr 3 17:00:00 2008 Doug Ledford <dledford{%}redhat{*}com> - 2:7.1.2-14
- Oops, I had the post/preun scripts attached to the -libs packages, while
  the mpivars.* files mpi-selector needed was installed in the base
  package.  This presented a race condition where the mpivars.* files might
  or might not be present by the time the post script ran.  We attach to the
  right package now.
- Resolves: bz440397
- Related: bz428199
* Wed Apr 2 17:00:00 2008 Doug Ledford <dledford{%}redhat{*}com> - 2:7.1.2-12
- Convert over to use mpi-selector and resolve the alternatives links
  issue once and for all
- Related: bz428199
* Tue Feb 12 16:00:00 2008 Doug Ledford <dledford{%}redhat{*}com> - 2:7.1.2-11
- On upgrade we loose our alternatives links.  This is because of a bug in
  the previous lam package.  Correct our pre/post scripts so the bug will
  no longer exist, but it will require running upgrade twice in order to
  recreate the missing alternatives links.

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