[Users] Einstein Toolkit release "Maxwell"

[Frank Loeffler]

We are pleased to announce the fourth release (code name "Maxwell") of
the Einstein Toolkit, an open, community developed software
infrastructure for relativistic astrophysics. This release includes
substantial changes to the underlying AMR infrastructure Carpet and the
simfactory tool. GRHydro is now officially released with support for
magnetohydrodynamics. In addition, bug fixes accumulated since the
previous release in April 2011 have been included.

The Einstein Toolkit is a collection of software components and tools
for simulating and analyzing general relativistic astrophysical systems
that builds on numerous software efforts in the numerical relativity
community including CactusEinstein, the Carpet AMR infrastructure and
the relativistic hydrodynamics code GRHydro (an updated and extended
version of the public release of the Whisky code). The Cactus Framework
is used as the underlying computational infrastructure providing
large-scale parallelization, general computational components, and a
model for collaborative, portable code development. The toolkit includes
modules to build complete codes for simulating black hole spacetimes as
well as systems governed by relativistic hydrodynamics.

The Einstein Toolkit uses a distributed software model and its different
modules are developed, distributed, and supported either by the core
team of Einstein Toolkit Maintainers, or by individual groups. Where
modules are provided by external groups, the Einstein Toolkit
Maintainers provide quality control for modules for inclusion in the
toolkit and help coordinate support. The Einstein Toolkit Maintainers
currently involve postdocs and faculty from five different institutions,
and host weekly meetings that are open for anyone to join in.

Guiding principles for the design and implementation of the toolkit
include: open, community-driven software development; well thought out
and stable interfaces; separation of physics software from computational
science infrastructure; provision of complete working production code;
training and education for a new generation of researchers.

For more information about using or contributing to the Einstein
Toolkit, or to join the Einstein Toolkit Consortium, please visit our
web pages at <http://einsteintoolkit.org>.

The Einstein Toolkit is primarily supported by NSF
0903973/0903782/0904015 (CIGR), and also by NSF 0701566/0855892 (XiRel),
0721915 (Alpaca), 0905046/0941653 (PetaCactus) and 0710874 (LONI Grid).

The "Maxwell" Release Team on behalf of the Einstein Toolkit Consortium
(2011-10-24)
 
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