| D. A. Wallach and W. J. Dally. A Hierarchical Protocol for Shared memory on a Distributed Memory Machine. In International Symposium on Shared Memory Multiprocessing, 1991. |
....protocols do not impose any restrictions on the interconnection network and, therefore, can be used in large scale parallel machines. Examples of such protocols are the fullmap scheme [5, 12] the chained list scheme [6] the limited copy scheme [6, 7] and the hierarchical protocols [11, 18]. Two major classes of large scale shared address space multiprocessors have emerged in the literature. These are non uniform memory access machines (NUMA) 17, 14, 7] and cache only memory architectures (COMA) 17, 11, 18] Both incorporate distributed M M P P P C C C Processors Caches ....
....scheme [6] the limited copy scheme [6, 7] and the hierarchical protocols [11, 18] Two major classes of large scale shared address space multiprocessors have emerged in the literature. These are non uniform memory access machines (NUMA) 17, 14, 7] and cache only memory architectures (COMA) [17, 11, 18]. Both incorporate distributed M M P P P C C C Processors Caches Local Memories INTERCONNECTION NETWORK Figure 1.2: A Shared Memory System with Caches and Distributed Memory memory and directory based cache coherence. In a NUMA machine, each processor has a local memory and a cache. ....
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D. Wallach and W. Dally, "A hierarchical protocol for shared memory on a distributed memory machine," Second Workshop on Scalable Shared Memory Multiprocessors, Toronto, May 1991. 161
....Delivering a message and dispatching a task takes 3 sec as compared to 3 ms on an iPSC hypercube. The parallel programming models that are to be supported on the J machine are actors [10] shared memory, data flow and communicating sequential processes. A directory based hierarchical protocol [199] has been designed to implement global shared memory on the J machine. The protocol is an ownership based write invalidate protocol. The directory is organised hierarchically in a network similar to a butterfly network. A child node can have more than one parent in the butterfly network. A ....
D. A. Wallach and W. J. Dally. A Hierarchical Protocol for Shared memory on a Distributed Memory Machine. In International Symposium on Shared Memory Multiprocessing, 1991.
....a message and dispatching a task takes 3 sec as compared to 3 ms on an iPSC hypercube. Among the models of parallel computation that are to be supported on the J machine are actors [5] shared memory, dataflow and communicating sequential processes. A directory based hierarchical protocol [94] has been designed to implement global shared memory on the J machine. The protocol is an ownership based write invalidate protocol. The directory is organised hierarchically which is similar to a butterfly network. A child node can have more than one parent in the butterfly network. A complete ....
D. A. Wallach and W. J. Dally. `A Hierarchical Protocol for Shared memory on a Distributed Memory Machine'. In International Symposium on Shared Memory Multiprocessing, 1991.
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D. A. Wallach and W. J. Dally. A Hierarchical Protocol for Shared memory on a Distributed Memory Machine. In International Symposium on Shared Memory Multiprocessing, 1991.
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