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TOURMALET, the first ASIC version of the EXTOLL Technology, delivers ultra-low latency and high bandwidth for High Performance Computing ( HPC) applications. Main characteristic of the EXTOLL
  • Technology are:
  • Ultra Low latency
  • High message rate
  • Low memory footprint
  • Switchless Design
  • High scalability
  • TOURMALET is the most cost-effective, scalable interconnection network for your next generation supercomputer.

SW Support

  • MPI Support (OpenMPI 1.6x),
    Low Level API access,
    Open Source

OS Support

  • Linux, Kernel > 2.6.30

Link Ports

  • 7 Ports with up to 100 Gb/s per direction for a total of 1.4 Tb/s
  • Switching capacity 1.75Tb/s

Link Connector

  • Samtec HDI6


  • TSMC 65nm GP+ process
  • 270 Mill. transistors
  • BGA 1763 packages

Host Interface

  • x16 PCI Express 3.0 (+ root port)


  • Yes

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