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- Titan_(supercomputer) abstract "Titan is a supercomputer built by Cray at Oak Ridge National Laboratory for use in a variety of science projects. Titan is an upgrade of Jaguar, a previous supercomputer at Oak Ridge, that uses graphics processing units (GPUs) in addition to conventional central processing units (CPUs). It is the first such hybrid to perform over 10 petaFLOPS. The upgrade began in October 2011, commenced stability testing in October 2012 and it became available to researchers in early 2013. The initial cost of the upgrade was US$60 million, funded primarily by the United States Department of Energy.Titan employs AMD Opteron CPUs in conjunction with Nvidia Tesla GPUs to improve energy efficiency while providing an order of magnitude increase in computational power over Jaguar. It uses 18,688 CPUs paired with an equal number of GPUs to perform at a theoretical peak of 27 petaFLOPS; in the LINPACK benchmark used to rank supercomputers' speed, it performed at 17.59 petaFLOPS. This was enough to take first place in the November 2012 list by the TOP500 organization, but Tianhe-2 overtook it on the June 2013 list.Titan is available for any scientific purpose; access depends on the importance of the project and its potential to exploit the hybrid architecture. Any selected code must also be executable on other supercomputers to avoid sole dependence on Titan. Six vanguard codes were the first selected. They dealt mostly with molecular scale physics or climate models, while 25 others queued behind them. The inclusion of GPUs compelled authors to alter their codes. The modifications typically increased the degree of parallelism, given that GPUs offer many more simultaneous threads than CPUs. The changes often yield greater performance even on CPU-only machines.".
- Titan_(supercomputer) thumbnail Titan1.jpg?width=300.
- Titan_(supercomputer) wikiPageExternalLink titan.
- Titan_(supercomputer) wikiPageID "34658831".
- Titan_(supercomputer) wikiPageRevisionID "605719209".
- Titan_(supercomputer) architecture "18688".
- Titan_(supercomputer) chartdate "June 2013".
- Titan_(supercomputer) chartname "500.0".
- Titan_(supercomputer) chartposition "#2".
- Titan_(supercomputer) cost "9.7E7".
- Titan_(supercomputer) dates "--10-29".
- Titan_(supercomputer) hasPhotoCollection Titan_(supercomputer).
- Titan_(supercomputer) legacy "First GPU based supercomputer to perform over 10 petaFLOPS".
- Titan_(supercomputer) legacy "Ranked 1 on TOP500 when built.".
- Titan_(supercomputer) location Oak_Ridge_National_Laboratory.
- Titan_(supercomputer) memory "693.5".
- Titan_(supercomputer) operators Cray.
- Titan_(supercomputer) os UNICOS.
- Titan_(supercomputer) power "8.2".
- Titan_(supercomputer) purpose "Scientific research".
- Titan_(supercomputer) space "404.0".
- Titan_(supercomputer) speed "17.59".
- Titan_(supercomputer) speed "27".
- Titan_(supercomputer) sponsors "US DOE and NOAA".
- Titan_(supercomputer) storage "40".
- Titan_(supercomputer) title TOP500.
- Titan_(supercomputer) years "November 2012 – June 2013".
- Titan_(supercomputer) subject Category:Cray.
- Titan_(supercomputer) subject Category:Nvidia.
- Titan_(supercomputer) subject Category:Oak_Ridge_National_Laboratory.
- Titan_(supercomputer) subject Category:One-of-a-kind_computers.
- Titan_(supercomputer) subject Category:Supercomputers.
- Titan_(supercomputer) type Artifact100021939.
- Titan_(supercomputer) type Computer103082979.
- Titan_(supercomputer) type Device103183080.
- Titan_(supercomputer) type DigitalComputer103196324.
- Titan_(supercomputer) type Instrumentality103575240.
- Titan_(supercomputer) type Machine103699975.
- Titan_(supercomputer) type Mainframe103711711.
- Titan_(supercomputer) type Object100002684.
- Titan_(supercomputer) type PhysicalEntity100001930.
- Titan_(supercomputer) type Supercomputer104358117.
- Titan_(supercomputer) type Supercomputers.
- Titan_(supercomputer) type Whole100003553.
- Titan_(supercomputer) comment "Titan is a supercomputer built by Cray at Oak Ridge National Laboratory for use in a variety of science projects. Titan is an upgrade of Jaguar, a previous supercomputer at Oak Ridge, that uses graphics processing units (GPUs) in addition to conventional central processing units (CPUs). It is the first such hybrid to perform over 10 petaFLOPS. The upgrade began in October 2011, commenced stability testing in October 2012 and it became available to researchers in early 2013.".
- Titan_(supercomputer) label "Cray Titan".
- Titan_(supercomputer) label "Titan (Computer)".
- Titan_(supercomputer) label "Titan (supercalculateur)".
- Titan_(supercomputer) label "Titan (supercomputer)".
- Titan_(supercomputer) label "Titan (superkomputer)".
- Titan_(supercomputer) label "Titan (суперкомпьютер)".
- Titan_(supercomputer) label "تيتان (حاسوب فائق)".
- Titan_(supercomputer) label "泰坦 (超級電腦)".
- Titan_(supercomputer) sameAs Titan_(Computer).
- Titan_(supercomputer) sameAs Cray_Titan.
- Titan_(supercomputer) sameAs Titan_(supercalculateur).
- Titan_(supercomputer) sameAs Titan_(superkomputer).
- Titan_(supercomputer) sameAs m.0j29dqc.
- Titan_(supercomputer) sameAs Q44070.
- Titan_(supercomputer) sameAs Q44070.
- Titan_(supercomputer) sameAs Titan_(supercomputer).
- Titan_(supercomputer) wasDerivedFrom Titan_(supercomputer)?oldid=605719209.
- Titan_(supercomputer) depiction Titan1.jpg.
- Titan_(supercomputer) homepage titan.
- Titan_(supercomputer) isPrimaryTopicOf Titan_(supercomputer).