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Performance evaluation of the memory hierarchy design on CMP prototype using FPGA

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8 Author(s)
Liu Yan ; VLSI Res. Inst., Hefei Univ. of Technol., Hefei, China ; Li Dongsheng ; Zhang Duoli ; Du Gaoming
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The importance of the memory hierarchy has increased with advances in performance of processors in chip multi-processor (CMP) system. However, the research of on chip memory subsystem for multiprocessor has not been undertaken thoroughly. In this paper, we develop two distributed shared memory hierarchies based on distributed shared-bus and network-on-chip (NoC), and the performances of these prototype designs are evaluated under JPEG decoding application, and implement them on a FPGA device. We compare the performance between the different on chip memory subsystem with the application, and the results show that the distributed shared memory hierarchy based on distributed shared-bus provides the best performance of speedup ratio with the least processor and that the NoC memory hierarchy provides the best performance of speedup ratio with the more processors.

Published in:

ASIC, 2009. ASICON '09. IEEE 8th International Conference on

Date of Conference:

20-23 Oct. 2009

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