Martini: A Network Interface Controller Chip for High Performance Computing with Distributed PCs

  • Authors:
  • Konosuke Watanabe;Tomohiro Otsuka;Junichiro Tsuchiya;Hiroaki Nishi;Junji Yamamoto;Noboru Tanabe;Tomohiro Kudoh;Hideharu Amano

  • Affiliations:
  • -;-;-;-;-;-;-;-

  • Venue:
  • IEEE Transactions on Parallel and Distributed Systems
  • Year:
  • 2007

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Abstract

In this paper, “Martini,” a network interface controller chip for our original network called RHiNET is described. Martini is designed to provide high-bandwidth and low-latency communication with small overhead. To obtain high performance communication, protected user-level zero-copy RDMA communication functions are completely implemented by a hardwired logic. Also, to reduce the communication latency efficiently, we have proposed PIO-based communication mechanisms called “On-the-fly (OTF)” and have implemented them on Martini. The evaluation results show that Martini connected to a 64bit/66MHz PCI-bus achieves 470MByte/s maximum bidirectional bandwidth and 1.74 μsec minimum latency on host-to-host memory copying.