On NoC Bandwidth Sharing for the Optimization of Area Cost and Test Application Time

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概要

• 論文の詳細を見る

• Current NoC test scheduling methodologies in the literature are based on a dedicated path approach; a physical path through the NoC routers and interconnects are allocated for the transportation of test data from an external tester to a single core during the whole duration of the core test. This approach unnecessarily limits test concurrency of the embedded cores because a physical channel bandwidth is typically larger than the scan rate of any core-under-test. We are proposing a bandwidth sharing approach that divides the physical channel bandwidth into multiple smaller virtual channel bandwidths. The test scheduling is performed under the objective of co-optimizing the wrapper area cost and the resulting test application time using two complementary NoC wrappers. Experimental results showed that the area overhead can be optimized (to an extent) without compromising the test application time. Compared to other NoC scheduling approaches based on dedicated paths, our bandwidth sharing approach can reduce the test application time by up to 75.4%.

• （社）電子情報通信学会の論文
• 2008-07-01

著者

• Fujiwara Hideo

  Graduate School Of Information Science Nara Institute Of Science And Technology

• Fujiwara Hideo

  Computer Design And Test Lab Nara Institute Of Science And Technology

• Fujiwara Hideo

  Nara Institute Of Science And Technology:japan Science And Technology Agency Crest

• HUSSIN Fawnizu

  Graduate School of Information Science, Nara Institute of Science and Technology

• YONEDA Tomokazu

  Graduate School of Information Science, Nara Institute of Science and Technology

• Yoneda Tomokazu

  Computer Design And Test Lab Nara Institute Of Science And Technology

• Yoneda Tomokazu

  Graduate School Of Information Science Nara Institute Of Science And Technology

• Yoneda Tomokazu

  Graduate School Of Information Of Science Nara Institute Of Science And Technology

• Fujiwara Hideo

  Graduate School Of Information Of Science Nara Institute Of Science And Technology

• Yoneda Tomokazu

  Nara Inst. Sci. And Technol. (naist) Ikoma‐shi Jpn

• Hussin Fawnizu

  Graduate School Of Information Science Nara Institute Of Science And Technology

• Fujiwara Hideo

  Nara Inst. Sci. And Technol. (naist) Ikoma‐shi Jpn

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