Older MRNet Releases

MRNet Version 3.1.0, June 2011.

MRNet v3.1.0 Highlights
New support for loading several filters from the same library
New lightweight MRNet back-end support for non-blocking receives
New CrayXT support for staging files using ALPS tool helper
Improved build structure that permits configuration for multiple
platforms from a single source distribution
Numerous bug fixes and enhancements
Documentation
MRNet API Programmer's Guide, Release 3.1.0 (HTML, PDF) and Readme
Distribution
MRNet 3.1.0 Source (tar.gz)

MRNet Version 3.0.1, December 2010.

MRNet 3.0.1 Highlights
New support for back-end singlecast from front-end
New packet destination lists
Automatic network settings distribution
Improved topology event notification
Numerous bug fixes and enhancements
Documentation
MRNet API Programmer's Guide, Release 3.0.1 (HTML, PDF) and Readme
Distribution
MRNet 3.0.1 Source (tar.gz)
MRNet 3.0.1 Windows Binaries (zip)
MRNet 3.0.1 Windows Build (zip)

MRNet Version 3.0, August 2010.

MRNet 3.0 Highlights
New lightweight C-based, threadless back-end API
Cray XT platform support
Concurrent network support for front-ends
Time-out synchronization filter support
Improved topology generation capabilities
Numerous bug fixes and enhancements
Documentation
MRNet API Programmer's Guide, Release 3.0 (HTML, PDF) and Readme
Distribution
MRNet 3.0 Source (tar.gz)
MRNet 3.0 Windows Binaries (zip)
MRNet 3.0 Windows Build (zip)

MRNet Version 2.1, May 2009.

MRNet v2.1 highlights
New API for Stream performance data collection
New support for heterogeneous Stream filters
Intel and Portland Group compiler support
Improved topology generation facility
Numerous bug fixes and enhancements
Documentation
Readme
MRNet API Programmer's Guide, Release 2.1 (HTML)
Distribution
MRNet 2.1 Source (gzipped tarball)
MRNet 2.1 Windows Binaries (available upon request)

MRNet Version 2.0, July 2008.

MRNet v2.0 highlights
Fault tolerance and recovery for internal MRNet node failures
Improved API for examining MRNet topology
New filter capabilities such as dynamic configuration
Vastly improved memory management
Improved support for multi-threaded front-ends and back-ends
Updated examples, including a sample Makefile
Numerous bug fixes and enhancements
Documentation
Readme
The Multicast/Reduction Network: A User's Guide to MRNet v2.0 (HTML)
Distribution
MRNet 2.0 Source (gzipped tarball)
MRNet 2.0 Windows Binaries (zip)

MRNet Version 1.2, March 2007

MRNet v1.2 highlights
New LGPL licensing
Improved support for 64-bit platforms
Extended API: new methods for topology generation
Various fixes and enhancements
Documentation
Readme
The Multicast/Reduction Network: A User's Guide to MRNet v1.1 (HTML)
Distribution
MRNet 1.2 Source (tarred/gzipped)

MRNet Version 1.1, April 2005.

Release Highlights
Support for multiple overlays in single tool/application
Support for back-ends not started by MRNet
Static only: back-ends join to complete network initialization phase
Topology specification via memory buffer
Comprehensive test suite
Support for Windows platforms
Support for IBM/Sun native compilers
Various fixes and enhancements:
E.g. Data reference counting for automatic garbage collection
Documentation
Readme
The Multicast/Reduction Network: A User's Guide to MRNet v1.1 (HTML)
Distribution
MRNet 1.2 Source (tarred/gzipped)

MRNet Version 1.0, September 2003

This is the first official release of MRNet. This version was released on September 11, 2003.
Documentation
Readme
The Multicast/Reduction Network: A User's Guide to MRNet (HTML)
Distribution
MRNet 1.0 Source (tarred/gzipped)