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–Portals Direct I/O ("PDIO") is a special-purpose middleware infrastructure for writing data from compute processor memory on Portals-enabled compute nodes to remote agents anywhere on the WAN in real-time. The prototype implementation provided a means for aggregation of outgoing data through multiple load-balanced routing daemons, end-to-end parallel data(More)
PSC has architected and delivered the TCS-1 machine, a Terascale Computing System for use in unclassified research. PSC has enhanced the effective usability and utilization of this resource by providing custom I/O solutions in four key areas: high-performance communication, high-performance file migration, checkpoint/recovery and an updated hierarchical(More)
DMOVER is a combination of three highly portable scripts and a network optimization specific to the Pittsburgh Supercomputing Center (PSC). DMOVER provides users with a queue-oriented means for initiating large, parallel, inter-site data transfers that is expected to be familiar to all mainstream HPC users. Its flexibility enables users to effectively(More)
" DMOVER " is a combination of three highly portable scripts and a network optimization specific to the Pittsburgh Supercomputing Center (PSC). DMOVER provides users with a queue-oriented means for initiating large, parallel, inter-site data transfers that is expected to be familiar to all mainstream high-performance computing users. Its flexibility enables(More)
The Pittsburgh Supercomputing Center has implemented a custom batch scheduler, Simon, to operate with PBS on one of its massively parallel systems. The design and implementation of an early custom scheduler on the XT3 as well as a functional overview and adaptation of Simon to the XT3 will be discussed. The Pittsburgh Supercomputing Center has implemented a(More)
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