Tutorial at Cloud Summer School

We will be offering a tutorial titled Building Scalable Data Intensive Applications on the Cloud with Makeflow and Work Queue as part of the Science Cloud Summer School hosted by Indiana University and joined by universities around the country.

Talk at ICE Workshop

Prof. Thain gave a talk titled Computational Abstractions: Strategies for Scaling Up Applications at the Initiative for Computational Economics at the University of Chicago.

CCTools 3.5.2 Released

The Cooperative Computing Lab is pleased to announce the release of version 3.5.2 of the Cooperative Computing Tools, including Parrot, Chirp, Makeflow, WorkQueue, SAND, All-Pairs, and other software.

This is a bug fix release of version 3.5.1. A shell script executable has been added for Torque worker compatibility.

The software may be downloaded here.

Changes:

• [WQ] Improved some debug messages. [Dinesh Rajan]


• [AP] Fixed minor bug for dealing with comparison commands that produce no output. [Douglas Thain]


• [WQ] Fixed a bug where the stdout buffer was not reset at the beginning of every task. [Douglas Thain]


• [WQ] Documented -C option for work_queue_status. [Patrick Donnelly]


• [WQ] Fixed a bug where pool configurations with an absolute path would result in a segfault. [Patrick Donnelly]


• [Parrot] Fixed a bug where Parrot mistakenly thought it correctly wrote to memory using /proc/pid/mem. [Patrick Donnelly]


• [*] Fixed a bug on OSX where non-blocking connects would result in an infinite loop. [Douglas Thain]


• [*] Support for SWIG 1.3.29 added. [Peter Bui]


• [*] Support has been added workers using Torque. [Michael Albrecht, Douglas Thain]


• [Makeflow] Fixed option parsing. [Patrick Donnelly]