منابع مشابه
Comparison of three coherence multiplex system topologies
Coherence multiplexing (CM) is a potentially inexpensive form of optical CDMA, which is particularly suitable for optical access networks or LANs. Various system topologies are known for achieving multiplexing of several CM channels over one optical fiber cable. In this paper, we will consider the parallel array (PA), the discontinuous series (DS) system and the intrinsic-reference ladder (IRL)...
متن کاملEvolution of robust and efficient system topologies.
Mutation/selection algorithms were applied to increase the efficiency and the robustness of sparse random networks. Selection for better efficiency leads to the well-known star topology, while selection for robustness only results in a relatively dense core and a small periphery. Concomitant selection for both efficiency and robustness leads to networks with intermittent center/periphery values...
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We study a multi-server model with n flexible servers and rn queues, connected through a fixed bipartite graph, where the level of flexibility is captured by the average degree, d(n), of the queues. Applications in content replication in data centers, skill-based routing in call centers, and flexible supply chains are among our main motivations. We focus on the scaling regime where the system s...
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Many future heterogeneous systems will integrate CPUs and GPUs physically on a single chip and logically connect them via shared memory to avoid explicit data copying. Making this shared memory coherent facilitates programming and fine-grained sharing, but throughput-oriented GPUs can overwhelm CPUs with coherence requests not well-filtered by caches. Meanwhile, region coherence has been propos...
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BACKGROUND Multiple system atrophy (MSA) has been considered a sporadic disease, without patterns of inheritance. OBJECTIVE To describe the clinical features of 4 multiplex families with MSA, including clinical genetic aspects. DESIGN Clinical and genetic study. SETTING Four departments of neurology in Japan. Patients Eight patients in 4 families with parkinsonism, cerebellar ataxia, and ...
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ژورنال
عنوان ژورنال: IEEE Journal of Selected Topics in Quantum Electronics
سال: 2007
ISSN: 1077-260X
DOI: 10.1109/jstqe.2007.905099