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This paper presents the circuit model of 3-state quantum dot gate FETs and design of three bit analog to digital converter (ADC) and digital to analog (DAC) converter based on that model.
Public resource computing depends on the availability of computing resources that have been contributed by individuals. The amount of resources can be increased by incentivizing resource providers through payment for resources. However, there are costs associated with providing resources for public grid computing. Without an understanding of these costs, it is impossible for a provider to judge if...
The increasing performance and decreasing cost of processors and memory are causing system intelligence to move from the CPU to peripherals such as disk drives. Storage system designers are using this trend toward excessive computation capability to perform more complex processing and optimizations directly inside the storage devices. Such kind of optimizations have been performed only at low levels...
This paper presents fundamental logic structures designed using novel quantum dot gate FETs with three-state characteristics. This three-state FET manifests itself as a transistor with a stable "intermediate" state, where the drain current remains constant over a range of input gate voltages due to a change in the threshold voltage over this range. We have developed a simplified circuit...
Distributed storage systems must provide highly available access to data while maintaining high performance and maximum scalability. In addition, reliability in a storage system is of the utmost importance and the correctness and availability of data must be guaranteed. Adding parity redundancy to distributed storage systems has been problematic because of the impact on performance. In this paper,...
Peer-to-peer systems provide the opportunity to pool large amounts of distributed resources to enable Internet-scale applications. However, the participant nodes are highly dynamic and unreliable. Thus, any shared resource such as file objects must incorporate redundancy to be useful. While many studies have proposed heuristics to determine redundancy levels based on object popularity, there has been...
The PARADIGM (PARAllelizing compiler for DIstributed-memory General-purpose Multicomputers) project at the University of Illinois provides a fully automated means to parallelize programs, written in a serial programming model, for execution on distributed-memory multicomputers. To provide efficient execution, PARADIGM automatically performs various optimizations to reduce the overhead and idle time...
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