Grand Central Dispatch

Grand Central Dispatch (GCD) is a technology developed by Apple Inc. to optimize application support for systems with multi-core processors and other symmetric multiprocessing systems. It is an implementation of task parallelism based on the thread pool pattern. The fundamental idea is to move the management of the thread pool out of the hands of the developer, and closer to the operating system. The developer injects "work packages" into the pool oblivious of the pool's architecture. This model improves simplicity, portability and performance.

GCD was first released with Mac OS X 10.6, and is also available with iOS 4 and above. The name "Grand Central Dispatch" is a reference to Grand Central Terminal.

The source code for the library that provides the implementation of GCD's services, libdispatch, was released by Apple under the Apache License on September 10, 2009 It has been ported to the FreeBSD operating system, starting with FreeBSD 8.1.MidnightBSD 0.3-CURRENT includes "libdispatch" without blocks support. Linux and Solaris support are provided within the upstream trunk. In order to develop support for Windows, currently two forks exist at opensource.mlba-team.de and Github. Apple has its own port of libdispatch.dll for Windows shipped with Safari and iTunes, but no SDK is provided.

Grand Central

Grand Central may refer to:

Transportation

Grand Central (film)

Grand Central is a 2013 French-Austrian romance film co-written and directed by Rebecca Zlotowski. It was screened in the Un Certain Regard section at the 2013 Cannes Film Festival where it won the François Chalais Prize.

Plot

Gary, an unskilled young man, lands a job as a decontamination sub-contractor at a nuclear power plant in the lower valley of the Rhone. Inducted into the workforce by supervisor Gilles and veteran Toni, Gary discovers that radiation contamination is not just a risk factor but an everyday hazard. At the same time, he begins an illicit affair with Karole, Toni's fiancée.

Cast

Accolades

References

External links

Grand Central Terminal

Grand Central Terminal (GCT; also referred to as Grand Central Station) is a commuter (and former intercity) railroad terminal at 42nd Street and Park Avenue in Midtown Manhattan in New York City, United States. Built by and named for the New York Central and Hudson River Railroad in the heyday of American long-distance passenger rail travel, it covers 48 acres (19 ha) and has 44 platforms, more than any other railroad station in the world. Its platforms, all below ground, serve 41 tracks on the upper level and 26 on the lower, though the total number of tracks along platforms and in rail yards exceeds 100.

The terminal serves commuters traveling on the Metro-North Railroad to Westchester, Putnam, and Dutchess counties in New York State, and Fairfield and New Haven counties in Connecticut. Until 1991, the terminal served Amtrak, which moved to nearby Pennsylvania Station upon completion of the Empire Connection. The East Side Access project is underway to bring Long Island Rail Road service to the terminal.