Computer/Embedded Technology


OpenVPX GPGPU multiprocessor board

27 August 2014 Computer/Embedded Technology

The IPN251 is GE Intelligent Platforms’ second generation 6U OpenVPX multiprocessor module combining the latest NVIDIA 384-core ‘Kepler’ GPU with the third-generation Intel Core i7 CPU, yielding high processing performance in a rugged, single VPX slot.

Targeting a wide range of data-intensive applications, particularly in the intelligence, surveillance and reconnaissance (ISR) domain, the board delivers the highest available bandwidth between its major components. The CPU and GPU are connected via a 16-lane PCI Express Gen 3 switch, which also provides a 16-lane PCI Express Gen 2 port to the VPX expansion plane, and provides an 8-lane PCI Express Gen 3 port to a dual-channel 10 Gigabit Ethernet and InfiniBand NIC. The PCIe switch also provides a Gen 2 x8 port to an XMC site.

The 384-core GPU, utilising NVIDIA’s Kepler architecture, has 2048 MB of GDDR5 memory to ensure high-capacity and high-bandwidth access to data during massively parallel GPGPU (general purpose computing on graphics processing units) algorithm processing.

Using NVIDIA’s GPUDirect technology, data from external sources can be streamed directly into GPU memory without the burden of multiple copy operations through system memory, resulting in significantly lower latency and higher throughput. Data sources may be PCI Express or InfiniBand end-points.

The dual-channel 10 Gigabit/InfiniBand NIC also allows complex open-architecture systems to be constructed, using OFED RDMA to transfer data in and out of the 16 GB system memory with very low latency and minimal CPU overhead.

With a wide range of open-standard software available for the IPN251, systems integrators can rapidly port and deploy their existing code onto this rugged platform. The board is available in a range of air- and conduction-cooled extended temperature build standards, with versions to satisfy VITA 46, VITA 48 and VITA 48,5 airflow.



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