Cactus run on IBM's Blue Gene/L at SC2004. LSU Computer Scientist runs programming framework on the fastest supercomputer in the world.
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Cactus 4.0 Beta 15 released. Release notes for Beta 15 and tested architectures and configurations.

Cactus 4.0 beta 14 Released. Release notes for Beta 14 and tested architectures and configurations.

Cactus 4.0 Beta 13 released. Release notes for Beta 13 and tested architectures and configurations.

There will be a Cactus Retreat held at the end of April, hosted by LSU. This meeting is open to all, and will involve talks from current and prospective users of Cactus from all fields, and discussion of future development plans. The meeting will be proceeded by a day of tutorials.