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Performance of tightly-coupled systems with shared cache
Microprocessing and Microprogramming, 1991Abstract Shared cache under an effective management policy can yield a hit ratio higher than that for private cache, because of the fact that shared space in the cache could be divided among the processors according to their needs, and also, only single copies of shared blocks are stored in the cache.
Ghulam M. Chaudhry, J. S. Bedi
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A Parallel sorting algorithm for tightly coupled multiprocessors
Concurrency: Practice and Experience, 1990AbstractIn this paper we present a new parallel sorting algorithm suitable for implementation on a tightly coupled multiprocessor. The algorithm utilizes P processors to sort a set of N data items subdivided into M subsets. The performance of the algorithm is investigated, and the results of experiments carried out on the Balance 8000 multiprocessor ...
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Interconnection Network for Tightly Coupled Accelerators Architecture
2013 IEEE 21st Annual Symposium on High-Performance Interconnects, 2013In recent years, heterogeneous clusters using accelerators have entered widespread use in high-performance computing systems. In such clusters, inter-node communication between accelerators normally requires several memory copies via CPU memory, which results in communication latency that causes severe performance degradation.
Toshihiro Hanawa +3 more
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Tightly Coupled Agents in Live Performance Metacreations
Proceedings of the 2015 ACM SIGCHI Conference on Creativity and Cognition, 2015We consider how the application of AI in digital musical instruments might maximally support exploration of sound in performance. Live performance applications of AI and machine learning have tended to focus on score following and the development of machine collaborators. In our work we are interested in exploring the development of systems whereby the
William Marley, Nicholas Ward
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On Input/Output Speedup in Tightly Coupled Multiprocessors
IEEE Transactions on Computers, 1986Previous models of program speedup on parallel architectures tend to ignore I/O activity and other important issues. In this paper we derive analytic speedup models including I/O activities. We show that ignoring I/O yields conservative speedup results. We explore the effectiveness of using hardware format conversion units in multiprocessors [33].
Walid A. Abu-Sufah +2 more
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A Tightly Coupled Accelerator Infrastructure for Exact Arithmetics
2010Processor speed and available computing power constantly increases, enabling computation of more and more complex problems such as numerical simulations of physical processes. In this domain, however, the problem of accuracy arises due to rounding of intermediate results. One solution is to avoid intermediate rounding by using exact arithmetic. The use
Nowak, F., Buchty, R.
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Advanced function extended with tightly-coupled multiprocessing
IBM Systems Journal, 1974Multiprocessing hardware as implemented on System/370 is presented. With emphasis on tightly-coupled systems configurations, topics include instructions and facilities, and a comparison with prior IBM multiprocessors.
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Parallel sorting algorithms for tightly coupled multiprocessors
Parallel Computing, 1988Abstract We present three parallel sorting algorithms suitable for implementation on tightly coupled multiprocessors and compare their performance on the Denelcor HEP. Two of the algorithms implemented—parallel Shellsort and quickmerge—are new. Shellsort is amenable to parallelization; however, since Shellsort has higher complexity than quicksort ...
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Channel Estimation with Tightly-Coupled Antenna Arrays
ICASSP 2023 - 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2023Bamelak Tadele +3 more
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Tightly Coupled 3D Lidar Inertial SLAM for Ground Robot
Electronics (Switzerland), 2023Ruyu Liu
exaly