Wednesday, September 19, 2012

CCTools 3.6.0 Released!

The Cooperative Computing Lab is pleased to announce the release ofversion 3.6.0 of the Cooperative Computing Tools, including Parrot, Chirp, Makeflow, WorkQueue, SAND, All-Pairs, and other software.

The software may be downloaded here:

This is a minor release which adds numerous features and fixes several bugs:

  • [WQ] Added API for logging functionality. [Christopher Bauschka]

  • [WQ] Python bindings have more complete access to the API available from C. Documentation has also been improved. [Dinesh Rajan]

  • [WQ] No longer manually redirects stdin/stdout/stderr by editing the user provided shell string, it now sets file descriptors directly. User redirections are no longer overridden. [Patrick Donnelly]

  • [WQ, Makeflow] The torque batch submission system is now supported. [Michael Albrecht, Douglas Thain]

  • [Parrot] Now supports extended attributes. [Patrick Donnelly]

  • [Makeflow] Now supports garbage collection of intermediate files. [Peter Bui]

  • [Makeflow] Now supports lexical scoping of Makeflow variables. [Peter Bui]

  • [Makeflow] New MAKEFLOW keyword for recursive Makeflows. [Peter Bui]

  • [WQ] Bindings for WQ now support SWIG versions >= 1.3.29. [Peter Bui]

  • [Parrot] iRODS now supports putfile/getfile operations for much faster file copies. [Douglas Thain]

  • [Parrot] Now includes watchdog support that runs alongside Parrot. [Douglas Thain, Brian Bockelman]

  • [*] CCTools now have been version information from the -v option. Version information is included in debug output with the `-d debug' flag. [Patrick Donnelly]

  • [WQ] work_queue_status output has been cosmetically improved. [Douglas Thain]

  • [WQ] New $WORK_QUEUE_SANDBOX environment variable. [Dinesh Rajan]

Thanks goes to the contributors for many minor features and bug fixes:

  • Michael Albrecht

  • Christopher Bauschka

  • Brian Bockelman

  • Dan Bradley

  • Peter Bui

  • Iheanyi Ekechukwu

  • Patrick Donnelly

  • Dinesh Rajan

  • Douglas Thain

Please send any feedback to the CCTools discussion mailing list. Enjoy!

Tuesday, September 18, 2012

Papers at e-Science Conference

Members of the CCL will present two papers and two posters at the upcoming IEEE Conference on e-Science in Chicago:

Thursday, September 6, 2012