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Beskow was PDC's previous flagship system. It was a CRAY XC40 and was one of the fastest academic supercomputing systems in Scandinavia while in operation.

Beskow, PDC's CRAY XC40 supercomputer

PDC's main system is called Beskow. It is a Cray XC40 system, based on Intel Haswell and Broadwell processors and Cray Aries interconnect technology. At PDC, we have a total of 11 racks in two rows with a theoretical peak performance of 2.43 petaflops. The system is named after the famous Swedish author and illustrator Elsa Beskow , who produced many delightful children's books.

Beskow is designed for running large parallel jobs, so time allocation applications for running wide jobs are preferred.

Beskow was ranked in 32nd position in the November 2014 Top 500 list.

The system went into full production and was available for SNIC allocations from January 2015. Beskow was then upgraded from 9 to 11 racks in September 2017. The intended lifetime of the system was initially for 5 years (until the 31st of December 2019) and that has now been extended so the system will be available till at least the end of 2020.


  • 11 cabinets = 515 blades = 2,060 compute nodes
  • 2 x Intel CPUs per node:
    9 of the cabinets have Xeon E5-2698v3 Haswell 2.3 GHz CPUs (16 cores per CPU)
    2 of the cabinets have Xeon E5-2695v4 Broadwell 2.1 GHz CPUs (18 cores per CPU)
  • 67,456 cores in total
  • High speed network Cray Aries (Dragonfly topology)


  • Peak performance 2.438 PFLOPS
  • LINPACK performance 1.80 PFLOPS
  • 156.4 TB primary memory (64 GB per node on the Haswell nodes and 128 GB per node on the Broadwell nodes)
  • 5 PB Lustre file system


  • available for academic research via SNIC and PRACE
  • used for a variety of industrial research projects (including collaboration with Scania)
  • operation currently funded till Q4 2020