Memory bandwidth analysis of hierarchical multiprocessors using model decomposition and steady-state flow analysis

Mahmud S.M.; Samaratunga L.T.

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Memory bandwidth analysis of hierarchical multiprocessors using model decomposition and steady-state flow analysis

机译：使用模型分解和稳态流分析的分层多处理器内存带宽分析

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For memory bandwidth analysis, researchers generally discard requests that are not accepted during a memory cycle. This assumption simplifies the analysis and produces negligible discrepancies with actual results for a system with a non-hierarchical interconnection network. However, the assumption, "the requests that are not occupied during a memory cycle are discarded," cannot be used for a multiprocessor system with a hierarchical interconnection network (HIN), because the error introduced assumption can be several orders of magnitude higher than the actual bandwidth. An improved analytical model to determine the bandwidth of a HIN-based system is presented.

机译：对于内存带宽分析，研究人员通常会丢弃在内存周期内未被接受的请求。对于具有非分层互连网络的系统，此假设简化了分析并且与实际结果之间的差异可忽略不计。但是，“在内存周期内未被占用的请求被丢弃”的假设不能用于具有分层互连网络（HIN）的多处理器系统，因为引入的错误假设可能会比错误提示高出几个数量级。实际带宽。提出了一种确定HIN系统带宽的改进分析模型。

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《IEEE Transactions on Parallel and Distributed Systems》 |1994年第5期|P.553-560|共8页
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Mahmud S.M.; Samaratunga L.T.;
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中图分类计算技术、计算机技术;
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Memory bandwidth analysis of hierarchical multiprocessors using model decomposition and steady-state flow analysis

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