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Qu'est-ce (qui) est Scalable Coherent Interface - définition

ORGANIZATION

Scalable Coherent Interconnect

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/. [Applications?] (1999-03-22)

Coherent state

SPECIFIC QUANTUM STATE OF THE QUANTUM HARMONIC OSCILLATOR, OFTEN DESCRIBED AS A STATE WHICH HAS DYNAMICS MOST CLOSELY RESEMBLING THE OSCILLATORY BEHAVIOR OF A CLASSICAL HARMONIC OSCILLATOR

Glauber coherent states; Glauber state; Coherent states

In physics, specifically in quantum mechanics, a coherent state is the specific quantum state of the quantum harmonic oscillator, often described as a state which has dynamics most closely resembling the oscillatory behavior of a classical harmonic oscillator. It was the first example of quantum dynamics when Erwin Schrödinger derived it in 1926, while searching for solutions of the Schrödinger equation that satisfy the correspondence principle.

https://en.wikipedia.org/wiki/Coherent_state

Scalable TCP

INTERNET COMMUNICATIONS PROTOCOL

Scalable Transmission Control Protocol

Type of Transmission Control Protocol which is designed to provide much higher throughput and scalability.

https://en.wikipedia.org/wiki/Scalable_TCP

Wikipédia

Scalable Coherent Interface

The Scalable Coherent Interface or Scalable Coherent Interconnect (SCI), is a high-speed interconnect standard for shared memory multiprocessing and message passing. The goal was to scale well, provide system-wide memory coherence and a simple interface; i.e. a standard to replace existing buses in multiprocessor systems with one with no inherent scalability and performance limitations.

The IEEE Std 1596-1992, IEEE Standard for Scalable Coherent Interface (SCI) was approved by the IEEE standards board on March 19, 1992. It saw some use during the 1990s, but never became widely used and has been replaced by other systems from the early 2000s.

https://en.wikipedia.org/wiki/Scalable Coherent Interface