NaNet: a Reconfigurable PCIe Network Interface Card Architecture for Real-time Distributed Heterogeneous Stream Processing in the NA62 Low Level Trigger.
P. Cretaro, A. Biagioni, O. Frezza, F. Lo Cicero, A. Lonardo, M. Martinelli, P. Paolucci, L. Pontisso, F. Simula, P. Vicini, C. Capone, F. Capuani, G. De Bonis, E. Pastorelli, R. Ammendola, G. Lamanna, M. Sozzi, R. Piandani, D. Soldi
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引用次数: 1
Abstract
Dario Soldi INFN Sezione di Torino Via Pietro Giuria, 1 10125 Torino, Italy E-mail: dario.soldi@to.infn.it The NA62 experiment at CERN SPS is aimed at measuring the branching ratio of the the very rare kaon decay K+→ π+νν̄ . NaNet is the reconfigurable design of a FPGA-based PCI Express Network Interface Card with processing, RDMA and GPUDirect capabilities, supporting multiple link technologies. NaNet has been employed to implement a real-time distributed processing pipeline in the the low level trigger of the experiment, operating on the data streams produced by the RICH detector with an orchestrated combination of heterogeneous computing devices (CPUs, FPGAs and GPUs). Recent results collected during NA62 runs are presented and discussed.
Dario Soldi INFN Sezione di Torino Via Pietro Giuria, 1 10125 Torino, Italy E-mail: dario.soldi@to.infn.it欧洲核子研究中心SPS的NA62实验旨在测量非常罕见的介子衰变K+→π+νν的分支比。NaNet是基于fpga的PCI Express网络接口卡的可重构设计，具有处理、RDMA和GPUDirect功能，支持多链路技术。NaNet已被用于在实验的低电平触发器中实现实时分布式处理管道，操作由RICH检测器与异构计算设备(cpu, fpga和gpu)的编排组合产生的数据流。介绍并讨论了NA62运行期间收集的最新结果。
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