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High-Performance Interconnect

The Dolphin PCI Express Adapter Cards are an industry standard, high-performance interconnect solution for server systems, HPC clustering and embedded applications The Dolphin PCI Express Cards, D350, D351, D352 and D353 are low cost components for building high performance multiprocessing configurations for clustering PCs, Workstations and Servers for a variety of high performance applications. The Dolphin PCI Express Cards provide extremely low latency combined with high bandwidth offering users major improvements in application performance and scalability. The D351 offers 10 Gbits/s link speed (bi-directional) that makes it an ideal platform for moving large volumes of data from system to system. For even higher bandwidth the D350 and D352 use two bi-directional links effectively doubling the throughput to an amazing 20 Gbits/s. The ultra-low 1.4 microseconds application-to-application latency reduces overhead of inter-node control messages, leading to the best possible scalability for multi-node applications. The low latency, low overhead and functional flexibility makes the D350 series an ideal choice for Real-Time embedded applications. The superior performance of Dolphin’s technology is achieved by taking maximum advantage of the SCI ANSI/IEEE standard with its fast point-to-point links that bypass time consuming operating system calls and protocol software overhead, required by traditional approaches. The SCI links are hot-swappable connections. With the use of 2D/3D torus configurations or switches the SCI technology can be used to enhance fail-over performance and increase fault tolerance, ultimately reducing down-time and cost. Dolphin offers comprehensive software support including its well proven SISCI API for a variety of operating systems and Dolphin SuperSockets™ for Linux and Windows. Features and Benefits PCI Express™ Compliant SCI network cables ANSI/IEEE 1596-1992 scalable coherent interface (SCI) compliant ANSI/IEEE 1159.1 (JTAG) support Industry lowest latency and high data throughput efficiently support scalable clustering applications High-availability operation with hot-swappable connections and redundant PCIe-SCI cards Application-level latency as low as 1.4 µs using remote shared memory access from application to remote application memory Supports both direct memory access (DMA) and programmed remote memory access (RMA) Based on latest Dolphin SCI chip technology, LC3 and PSB-66 with 128-byte packet support Dolphin SuperSockets™, the new simpler and more effective way to integrate high performance interconnect. Product Codes D350: Dual Channel SCI, x8 PCIe D351: Single Channel, x4 PCIe D352: Single Channel 2D, x4 PCIe D353: Single Channel 3D, x4 PCIe Technical Specifications Link Speeds Dual Channel - 2 x 10 Gbits/s duplex Singel channel - 10 Gbits/s duplex 2D model - 2 x 10 Gbits/s duplex 3D model - 3 x 10 Gbits/s duplex Performance 700 MBytes/s communication data rate on two channels RMA 500 MBytes/s communication data rate on twochannels DMA 1.4 microsecond latency (application-to-application) 0.2 microsecond pipelined remote store in a saturated pipeline SCI Link Standard ANSI/IEEE 1596-1992 Scalable Coherent Interface (SCI) PCI Express™ Base Specification 1.0a Topologies Ring, 2D/3D and Switches. Physical Specifications Cable Connection Parallel STP Copper Cable (0.2 - 7.5m) Power Consumption D350 15W, D351 10W, D352 12W Mechanical Dimensions PCI Express™ Card Electromechanical Specification 1.0a Operating Environment Operating Temperature: 0°C-55°C Relative Humidity: 5%–95% non-condensing Dolphin Software Open source software modules available include: SISCI API MPICH (from RWTH) MPICH-2 (from NICEVT) Dolphin SuperSockets™ Dolphin SW is available on a wide range of processors and operating systems. Dolphin SuperSockets™ The most efficient way to interface existing applications to Dolphin PCI Express. Super low latency and low overhead is achieved as the TCP/IP protocol stack is removed - not offloaded. A huge range of applications run better on Dolphin SuperSockets™ including Databases, CFD, Simulators and MPI libraries. Third Party Software Scali MPI Connect for SCI High-performanceMPI implementation Scali Manage for SCI System installation and configuration System administration System monitoring Alarms and event automation Work load management Hardware management Heterogeneous cluster support

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