About: HBJ model

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In computer science, the Helman-Bader-JaJa model is a concise message-passing model of parallel computation defined with the following parameters: * is number of processors. * is the problem size. * is number of machine words in a packet sent over the network. * is the latency, or time at which a processor takes to initiate a communication on a network. * is the bandwidth, or time per machine word at which a processor can inject or receive machine words from the network. * is the largest computation time expended on a processor. * is the time spent in communication on the network.

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  • In computer science, the Helman-Bader-JaJa model is a concise message-passing model of parallel computation defined with the following parameters: * is number of processors. * is the problem size. * is number of machine words in a packet sent over the network. * is the latency, or time at which a processor takes to initiate a communication on a network. * is the bandwidth, or time per machine word at which a processor can inject or receive machine words from the network. * is the largest computation time expended on a processor. * is the time spent in communication on the network. This model assumes that for any subset of processors, a block permutation among the processors takes time, where is the size of the largest block. (en)
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  • In computer science, the Helman-Bader-JaJa model is a concise message-passing model of parallel computation defined with the following parameters: * is number of processors. * is the problem size. * is number of machine words in a packet sent over the network. * is the latency, or time at which a processor takes to initiate a communication on a network. * is the bandwidth, or time per machine word at which a processor can inject or receive machine words from the network. * is the largest computation time expended on a processor. * is the time spent in communication on the network. (en)
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  • HBJ model (en)
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