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首页> 外文会议>2011 IEEE Cool Chips XIV >An 80 Gbps dependable multicore communication SoC with PCI express I/F and intelligent interrupt controller
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An 80 Gbps dependable multicore communication SoC with PCI express I/F and intelligent interrupt controller

机译：具有PCI Express I / F和智能中断控制器的80 Gbps可靠多核通信SoC

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摘要

An 80 Gbps dependable communication SoC with four 4X PCIe Rev.2.0 ports has been developed that acts as a communication link with high transfer capability. By using the PCIe I/F, the SoC can address two computing nodes as peers, breaking the traditional PCIe limit of only linking to a single master processor. The SoC also employs an intelligent ICU that supports an initiate data transfer function and offloads interrupt services from the CPUs. This function can dramatically reduce processing time by 20% compared to using CPU interrupt handlers. To achieve a highly dependable network, the multicore processor continuously monitors the network status and operates the fault handling efficiently by using IRQ affinity. Our SoC achieves the power consumption of 3.2W at 80 Gbps and the power efficiency of 0.04 W/Gbps, which is 51.5% more power efficiency than 4X InfiniBand.
机译：已开发出具有四个4X PCIe Rev.2.0端口的80 Gbps可靠通信SoC，可充当具有高传输能力的通信链接。通过使用PCIe I / F，SoC可以将两个计算节点作为对等节点寻址，从而打破了仅链接到单个主处理器的传统PCIe限制。 SoC还采用了智能ICU，该ICU支持启动数据传输功能并从CPU卸载中断服务。与使用CPU中断处理程序相比，此功能可以将处理时间大大减少20％。为了实现高度可靠的网络，多核处理器通过使用IRQ关联性连续监视网络状态并有效地操作故障处理。我们的SoC在80 Gbps时达到3.2W的功耗，而电源效率为0.04 W / Gbps，比4倍InfiniBand高出51.5％。

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