Clusters have made the jump from lab prototypes to fullfledged production computing platforms. The number, variety, and specialized configurations of these machines are increasing dramatically with 32 – 128 node clusters being commonplace in science labs. The evolving nature of the platform is to target generic PC hardware to specialized functions such as login, compute, web server, file server...

The corporate world is drowning in disparate data. Data elements, field names, column names, row names, labels, metatags, etc. seem to reproduce at whim. Librarians have been battling data disparity for over a century with tools like controlled vocabularies and classification schemes. Data Administrators have been waging their own war using data dictionaries and naming conventions. Both camps h...

conclusions the treatment reported for reattachment of the tooth fractures and post and core techniques are reasonably easy while providing immediate and lasting results in patients’ regaining of social confidence and functionality. introduction the fracture of front teeth is one of the routine presentations of traumatic injuries. the treatment of a fractured tooth involving the pulp includes r...

Current hardware roadmaps call for doubling the number of on-chip cores approximately every two years. If this trend materializes, in at most a decade and a half, we will reach one thousand cores. This scenario has mind-boggling consequences for the IPDPS research community. There are many questions to answer. For example, at the architecture level, how are we going to power these chips and pro...

Build systems such as make support incremental and parallel building, but these features are unreliable in the presence of incomplete dependency information. We describe a system that automatically augments any build system to provide parallel and incremental building while guaranteeing the same final output as a clean, serial build. Each build task is run inside a transaction that isolates its...