Cray Inc Launches New Generation of Cray XC40 Supercomputers

    In 2012, Cray Inc released the Cray XC30 platform, based on the Intel Xeon E5-2600 family of processors. A year later, Intel released the new Xeon E5-2600 V2 chips, and Cray began to use them in the same systems. As a result, we got the same system with more powerful chips. But, as we know, improving one component is not an option at all. Every year, the demand for speed and productivity is growing. And in 2014, another new product from Intel was introduced - Xeon E5-2600 V3 processors. This allowed the company to launch the next supercomputer in the family, the Cray XC40.

    Without deviating from traditions, 2 versions of this platform were developed: Cray XC40, a high-power machine, and a more budget version of the Cray XC40-AC. Both platforms support DataWarp technology, which speeds up I / O by introducing an additional link into the storage subsystem.

    Worth giving credit to Cray Inc. Both options can be supplemented at will by the previously promised Nvidia Tesla accelerators and Intel Xeon Phi coprocessor. These coprocessors can have up to 61 cores, 244 threads and provide performance up to 1.2 teraflops. This is a great addition to an already powerful system.

    The main difference between the systems is the number of sockets per cabinet. For Cray XC40, the number of sockets is 384, for Cray XC40-AC it is 128. The number of blades in each blade chassis is the same -16, the only difference is that the Cray XC40 system has 3 blade chassis in the cabinet, while for XC40-AC - maximum 1 chassis.

    Cray XC40-AC can be configured in a system of 8 racks with a capacity of 75 teraflops per rack, while in Cray XC40 this figure is several hundred racks with a total system capacity of 100 petaflops.

    The system construction scheme is the same as its predecessor, the difference is only in power. The Cray XC30-AC has 33 teraflops per rack and 66 teraflops for the Cray XC30. Also noticeable progress in RAM. Now one computing node contains it from 64 to 256 GB with a throughput of 137 Gb / s.

    In terms of connection, the system has not changed. Like its predecessor, Aries special-purpose integrated circuit is used for routing, through which a maximum of 4 nodes with 48 switch ports with a total throughput of 500 Gbit / s are connected

    External I / O Interface - Infiniband, 40 and 10 Gigabit Ethernet, Fiber Channel (FC) and Ethernet. The operating system uses the Linux Environment Cray (includes SUSE Linux SLES11, supplemented with HSS and SMW software), Extreme Scalability Mode (ESM) and Cluster Compatibility Mode (CCM)

    Security is provided by the integrated Cray Hardware Supervisory System (HSS), independent network management via additional channel, full ECC protection of all packet traffic in the Aries network. Pressure and temperature sensors are also integrated. Hot swappable blades and power supplies are supported. Both systems can be implemented with air or water cooling to choose from.

    The first new Cray XC40 will receive the use of the Korean Meteorological Administration (KMA). Cray will also provide the new system to the US National Nuclear Safety Administration (NNSA). As a rule, the US military is always striving to get the best equipment and advanced technology, and the signed contract between (NNSA) and Cray Inc for the supply of new platforms is the best way to advertise this product.

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