Cluster

Cluster may refer to:

Science

Astrophysics

Cluster (spacecraft)

Cluster was a constellation of four European Space Agency spacecraft which were launched on the maiden flight of the Ariane 5 rocket, Flight 501, and subsequently lost when that rocket failed to achieve orbit. The launch, which took place on Tuesday, 4 June 1996, ended in failure due to an error in the software design caused by assertions having been turned off, which in turn caused inadequate protection from integer overflow. This resulted in the rocket veering off its flight path 37 seconds after launch, beginning to disintegrate under high aerodynamic forces, and finally self-destructing by its automated flight termination system. The failure has become known as one of the most infamous and expensive software bugs in history. The failure resulted in a loss of more than US$370 million.

Spacecraft

Cluster consisted of four 1,200 kilograms (2,600 lb) cylindrical, spin-stabilised spacecraft, powered by 224 watt solar cells. The spacecraft were to have flown in a tetrahedral formation, and were intended to conduct research into the Earth's magnetosphere. The satellites would have been placed into highly elliptical orbits; 17,200 by 120,600 kilometres (10,700 by 74,900 mi), inclined at 90 degrees to the equator.

Computer cluster

A computer cluster consists of a set of loosely or tightly connected computers that work together so that, in many respects, they can be viewed as a single system. Unlike grid computers, computer clusters have each node set to perform the same task, controlled and scheduled by software.

The components of a cluster are usually connected to each other through fast local area networks ("LAN"), with each node (computer used as a server) running its own instance of an operating system. In most circumstances, all of the nodes use the same hardware and the same operating system, although in some setups (i.e. using Open Source Cluster Application Resources (OSCAR)), different operating systems can be used on each computer, and/or different hardware.

They are usually deployed to improve performance and availability over that of a single computer, while typically being much more cost-effective than single computers of comparable speed or availability.

Computer clusters emerged as a result of convergence of a number of computing trends including the availability of low-cost microprocessors, high speed networks, and software for high-performance distributed computing. They have a wide range of applicability and deployment, ranging from small business clusters with a handful of nodes to some of the fastest supercomputers in the world such as IBM's Sequoia. The applications that can be done however, are nonetheless limited, since the software needs to be purpose-built per task. It is hence not possible to use computer clusters for casual computing tasks.

First (Cold War Kids song)

"First" is a song by American indie rock band Cold War Kids. The song was written by the band and produced by Lars Stalfors and Dann Gallucci. It was the second single off their fifth album Hold My Home (2014) and was released on February 17, 2015. The song received a positive reception from music critics.

"First" peaked at number 1 on the Billboard Alternative Songs chart, becoming the band's highest charting single. A music video was made for the single and was released on January 12, 2015.

Critical reception

"First" received positive reviews from music critics. Philip Cosores of Paste called it a "clap-along anthem" and said that together with "All This Could Be Yours" and "Hot Coals", is "the strongest run the band has put together in its career." Heather Phares of AllMusic remarked the song being a highlight of the album due to its "anthemic power."

Music video

The music video was uploaded on the band's VEVO page on January 12, 2015.

Chart performance

The song appeared on the Billboard Alternative Songs chart at number 40 and peaked at number 1, their first song to top that chart. It has stayed on the chart for twenty-eight weeks (as of the October 24, 2015 chart date), making it their longest charting single to date.

First (David Gates album)

First is the first solo album by David Gates of Bread. The musicians include: Jimmy Getzoff, Jim Gordon, Jim Horn, John Guerin, Larry Carlton, Larry Knechtel, Louie Shelton, Mike Botts and Russ Kunkel. Suite, Clouds & Rain is definitely worth a listen as Gates experimented with his sound.

Track listing

All tracks composed by David Gates

First (EP)

'First' is the debut EP of Singaporean singer, Ferlyn G. It consists of a total of three tracks and was released on January 2, 2015.

Background

In 2014, Ferlyn announced that she will be leaving Skarf and releasing a solo EP in 2015 before Chinese New Year. After a series of teasers, the EP was released on January 2, 2015, during a press conference at Bugis+ in Singapore. The music video for both Xīn fàng kāi (心放开) and Luv Talk was released through iGlobalStar's official YouTube channel on January 2, 2015.

Composition

Ferlyn worked with various well known composers and singers such as Gen Neo from Noizebank and Mint from Tiny-G. The promotional tracks, Luv Talk and Xīn fàng kāi (心放开) is a fun pop tune and is about having a crush while the second track, Bùjiàn bú sàn (不見不散) about the experience during a breakup.

Music video

The music video for the promotional track, Luv Talk and Xīn fàng kāi (心放开) begin on a deceptively melancholy note with a teary Ferlyn perched on a bridge and dramatic piano instrumental playing behind her, the song soon ramps up the atmosphere with a full brass tone and hip rhythm. The story flashes back to an unpleasant conversation Ferlyn has with an unknown man. However, after being down, she transforms herself into a new self with a change in make up and outfit.