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The Panasas file system uses parallel and redundant access to object storage devices (OSDs), per-file RAID, distributed metadata management, consistent client caching, file locking services, and internal cluster management to provide a scalable, fault tolerant, high performance distributed file system. The clustered design of the storage system and the use(More)
This paper presents a practical solution to a problem facing high-fan-in, high-bandwidth synchronized TCP workloads in datacenter Ethernets---the TCP incast problem. In these networks, receivers can experience a drastic reduction in application throughput when simultaneously requesting data from many servers using TCP. Inbound data overfills small switch(More)
In this paper, the interdependence of language models and dis-criminative training for large vocabulary speech recognition is investigated. In addition, a constrained recognition approach using word graphs is presented for the efficient determination of alternative word sequences for discriminative training. Experiments have been carried out on the ARPA(More)
In order to achieve high performance, contemporary microprocessors must effectively process the four major instruction types: ALU, branch, load, and store instructions. This paper focuses on the reduction of load instruction execution latency. Load execution latency is dependent on memory access latency, pipeline depth, and data dependencies. Through load(More)
FOREWORD Distributed generation (DG) technologies are emerging as a viable supplement to centralized power production. Independent evaluations of DG technologies are required to assess performance of systems, and, ultimately, the applicability and efficacy of a specific technology at any given site. A current barrier to the acceptance of DG technologies is(More)
All Rights Reserved iii This manuscript has been read and accepted by the Graduate Faculty in Psychology in satisfaction of the dissertation requirement for the degree of Doctor of Philosophy. The present study examined the relationships between maternal dissociation, mothers' self-described parenting behaviors in child emotion regulation, and the emotion(More)
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