
The Cray XC40 is a
massively parallel multiprocessor supercomputer
A supercomputer is a computer with a high level of performance as compared to a general-purpose computer. The performance of a supercomputer is commonly measured in floating-point operations per second ( FLOPS) instead of million instructions ...
manufactured by
Cray
Cray Inc., a subsidiary of Hewlett Packard Enterprise, is an American supercomputer manufacturer headquartered in Seattle, Washington. It also manufactures systems for data storage and analytics. Several Cray supercomputer systems are listed ...
. It consists of
Intel Haswell Xeon processors, with optional
Nvidia Tesla or Intel
Xeon Phi accelerators, connected together by Cray's proprietary "Aries" interconnect, stored in air-cooled or liquid-cooled cabinets.
The XC series supercomputers are available with the Cray DataWarp applications I/O accelerator technology.
Deployed systems
Australia

* The
Pawsey Supercomputing Centre has a 35,712-core XC40 called "Magnus" for general science research. This supercomputer has a processing power of 1.097
petaflops.
* The
Bureau of Meteorology has a 51,840-core XC40 called "Australis" with 276 TB of RAM and a usable storage of 4.3 PB. The supercomputer with a peak performance of 1.6 petaflops provides the operational computing capability for weather, climate, ocean and wave numerical prediction and simulation.
Finland
* National
IT center for science CSC computer "Sisu" was completed as XC40 in 2014. It has 40,512 cores with overall peak performance of 1,688 TFlops.
Germany

*
High Performance Computing Center, Stuttgart (HLRS) has built a 185,088-core XC40 named "Hazel Hen" with a peak performance of 7420 TFlops.
India
* Supercomputer Education and Research Centre (SERC) at the
Indian Institute of Science has an XC40 supercomputer named SahasraT, with 1,376 compute nodes (33,024 Intel Haswell Xeon cores), together with Intel Xeon Phi and NVIDIA K40 GPU accelerators.
* Pratyush and Mihir are the supercomputers established at
Indian Institute of Tropical Meteorology (IITM),
Pune and
National Center for Medium Range Weather Forecast (NCMRWF) respectively. Pratyush and Mihir are two High Performance Computing (HPC) units. They are located at two government institutes, one being 4.0 PetaFlops unit at IITM, Pune and another 2.8 PetaFlops unit at the National Centre for Medium Range Weather Forecasting (NCMRWF), Noida. Both units and provides a combined output of 6.8 PetaFlops.
Japan
The
Center for Computational Astrophysics at the
National Astronomical Observatory of Japan
The (NAOJ) is an astronomical research organisation comprising several facilities in Japan, as well as an observatory in Hawaii and Chile. It was established in 1988 as an amalgamation of three existing research organizations - the Tokyo Astron ...
have an XC40 system named "ATERUI". This is an upgrade from a previous
Cray XC30 system.
Poland
*
Interdisciplinary Centre for Mathematical and Computational Modelling in Warsaw has an XC40 supercomputer named Okeanos with 1084 compute nodes (26,016 Intel Xeon cores) with 128 GB of RAM each.
Saudi Arabia
*
King Abdullah University of Science and Technology (KAUST) has an XC40 named Shaheen. The processing power is 5.54
petaflops with 196,608 cores.
Sweden
*
Royal Institute of Technology
The KTH Royal Institute of Technology ( sv, Kungliga Tekniska högskolan, lit=Royal Institute of Technology), abbreviated KTH, is a public research university in Stockholm, Sweden. KTH conducts research and education in engineering and technolo ...
has a 53,632-core XC40 called "Beskow".
Switzerland
* The
Swiss National Supercomputing Centre
Swiss may refer to:
* the adjectival form of Switzerland
*Swiss people
Places
*Swiss, Missouri
*Swiss, North Carolina
*Swiss, West Virginia
*Swiss, Wisconsin
Other uses
*Swiss-system tournament, in various games and sports
*Swiss International A ...
in
Lugano had a system in 2013 named Piz Dora, a Cray XC40 with 1256 compute nodes.
This has been combined with the old Piz Daint system into the new
Cray XC50 Piz Daint
Piz Daint () is a mountain of the Swiss Ortler Alps, overlooking the Ofen Pass in the canton of Graubünden. The closest locality is Tschierv on the north side.
Name
The name was originally spelled ''Piz d'Aint'', which is Romansh for "inn ...
.
United Kingdom
* The
UK Met Office has three XC40s, with a total of 460,000
cores, capable of 14
petaflops peak. It is currently the fastest machine in the world dedicated to weather and climate modeling, and was the 11th fastest (but is no longer) on the
TOP500 list when it was installed.
United States
* The
United States Army Research Laboratory has an XC40 supercomputer called "Excalibur".
This computer has 100,064 cores.
* The
Lawrence Berkeley National Laboratory
Lawrence Berkeley National Laboratory (LBNL), commonly referred to as the Berkeley Lab, is a United States Department of Energy National Labs, United States national laboratory that is owned by, and conducts scientific research on behalf of, t ...
has an XC40 supercomputer called "Cori" with 76,416 Intel Haswell cores and 658,784
Xeon Phi Knights Landing cores.
*
Petroleum Geo-Services has an XC40 supercomputer used for the processing of complex seismic data sets.
* The
Bowie State University has an XC40 supercomputer called "Sphinx". This computer has 12,740 processing cores.
*
Indiana University has an XC40 supercomputer called "Big Red 3", with 22,464 processing cores.
*
Argonne Leadership Computing Facility Argonne may refer to:
*The Forest of Argonne, France
*Argonne National Laboratory, a U.S. D.O.E. National Laboratory near Chicago, Illinois
* Meuse-Argonne Offensive, also called the Battle of Argonne Forest, a World War I battle
*Argonne, South Dak ...
has an XC40 supercomputer called "Theta".
References
External links
Cray XC Series Supercomputers
{{Cray computers
XC40
X86 supercomputers