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In-Field Test for Permanent Faults in FIFO Buffers of NoC Routers

机译:NoC路由器FIFO缓冲区中永久性故障的现场测试

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摘要

This brief proposes an on-line transparent test technique for detection of latent hard faults which develop in firstinput first-ouptput buffers of routers during field operation of NoC. The technique involves repeating tests periodically to prevent accumulation of faults. A prototype implementation of the proposed test algorithm has been integrated into the router-channel interface and on-line test has been performed with synthetic self-similar data traffic. The performance of the NoC after addition of the test circuit has been investigated in terms of throughput while the area overhead has been studied by synthesizing the test hardware. In addition, an on-line test technique for the routing logic has been proposed which considers utilizing the header flits of the data traffic movement in transporting the test patterns.
机译:本摘要提出了一种在线透明测试技术,用于检测潜在的硬故障,这些故障在NoC的现场操作期间在路由器的第一输入第一输出缓冲区中产生。该技术涉及定期重复测试以防止故障累积。所提出的测试算法的原型实现已集成到路由器通道接口中,并且已经使用合成的自相似数据流量执行了在线测试。已经在吞吐量方面研究了添加测试电路后NoC的性能,而通过综合测试硬件研究了区域开销。另外,已经提出了一种用于路由逻辑的在线测试技术,该技术考虑了在传输测试模式时利用数据业务流的头部信息。

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