Scalable Coherent Interface


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Scalable Coherent Interface

(hardware, protocol)
(SCI) The ANSI/IEEE 1596-1992 standard that defines a point-to-point interface and a set of packet protocols. The SCI protocols use packets with a 16-byte header and 16, 64, or 256 data bytes. Each packet is protected by a 16-bit CRC code.

The standard defines 1 Gbit/second serial fiber-optic links and 1 Gbyte/second parallel copper links. SCI has two unidirectional links that operate concurrently.

The SCI protocols support shared memory by encapsulating bus requests and responses into SCI request and response packets. Packet-based handshake protocols guarantee reliable data delivery. A set of cache coherence protocols are defined to maintain cache coherence in a shared memory system.

Message passing is supported by a compatible subset of the SCI protocols. This protocol subset does not invoke SCI cache coherency protocols.

SCI uses 64-bit addressing and the most significant 16 bits are used for addressing up to 64K nodes.

http://uni-paderborn.de/pc2/systems/sci/.

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References in periodicals archive ?
Dolphin Interconnect, with headquarters in Oslo, Norway, develops and manufactures high-speed, high-bandwidth interconnect products based on the scalable coherent interface (SCI).
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Dolphin Interconnect LLC, with headquarters in Natick, develops and manufactures high-speed, high-bandwidth interconnect products based on the scalable coherent interface (SCI).
Dolphin Interconnect, a leading manufacturer of high-speed, high-bandwidth interconnect products based on the scalable coherent interface (SCI), and their partner Scali, developer of high-performance SCI-based message passing interface (MPI), today announced shared memory (SHMEM) library support for the Dolphin WulfKit.
Dolphin Interconnect LLC, headquartered in Westlake Village, develops and manufactures high-speed, high-bandwidth interconnect products based on the scalable coherent interface.
Dolphin Interconnect LLC, with headquarters in Westlake Village, develops and manufactures high-speed, high-bandwidth interconnect products based on the Scalable Coherent Interface.
Scalable Coherent Interface (SCI): an IEEE standard for high-speed (one gigabit/sec) cluster interconnects, which includes an SCI host Sbus adapter and a four-port switch.
The AV 20000 is built from one to eight Scalable Building Blocks linked together with the ANSI/TEEE standard Scalable Coherent Interface (SCI) interconnect technology and sophisticated operating system features.

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