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- Cray_XMT abstract "The Cray XMT (codenamed Eldorado) is the third generation of the Cray MTA supercomputer architecture originally developed by Tera. The earlier generations were called the Cray MTA and the Cray MTA-2. The XMT makes the MTA's multithreaded processors, now dubbed Threadstorm, compatible with the 1207-pin Socket F used by AMD Opteron processors. The Threadstorm processors are plugged into systems otherwise identical to the Cray XT4.The primary advantage of the these processors come from efficiency masking memory access time. In a simplified model, at each clock cycle an instruction from one of the threads is executed and another memory request is queued with the understanding that by the time the next round of execution is ready the requested data has arrived. This is contrast to many conventional architectures which stall on memory access. The architecture excels in data walking schemes where subsequent memory access cannot be easily predicted and thus wouldn't be well suited to a conventional cache model.The Threadstorm processors only execute user code, on top of a simple BSD Unix-based microkernel called MTX; system I/O is performed by Opteron processors running Linux. This third generation MTA system improves clock speed from 220 MHz to 500 MHz, the maximal processor count from 256 to 8192, and maximum memory to 128 TB.The architecture has been reworked in CPUs such as Threadstorm4 which is used by the XMTs technological successor: YarcData's Urika line of big data appliances.".
- Cray_XMT wikiPageExternalLink 20050711-eldorado.ppt.
- Cray_XMT wikiPageExternalLink xmt.
- Cray_XMT wikiPageExternalLink Products.
- Cray_XMT wikiPageID "7922315".
- Cray_XMT wikiPageRevisionID "605993216".
- Cray_XMT hasPhotoCollection Cray_XMT.
- Cray_XMT subject Category:Cray_products.
- Cray_XMT subject Category:Supercomputers.
- Cray_XMT type Artifact100021939.
- Cray_XMT type Computer103082979.
- Cray_XMT type Device103183080.
- Cray_XMT type DigitalComputer103196324.
- Cray_XMT type Instrumentality103575240.
- Cray_XMT type Machine103699975.
- Cray_XMT type Mainframe103711711.
- Cray_XMT type Object100002684.
- Cray_XMT type PhysicalEntity100001930.
- Cray_XMT type Supercomputer104358117.
- Cray_XMT type Supercomputers.
- Cray_XMT type Whole100003553.
- Cray_XMT comment "The Cray XMT (codenamed Eldorado) is the third generation of the Cray MTA supercomputer architecture originally developed by Tera. The earlier generations were called the Cray MTA and the Cray MTA-2. The XMT makes the MTA's multithreaded processors, now dubbed Threadstorm, compatible with the 1207-pin Socket F used by AMD Opteron processors.".
- Cray_XMT label "Cray XMT".
- Cray_XMT label "نظام كراي XMT".
- Cray_XMT sameAs m.026k6wy.
- Cray_XMT sameAs Q5183030.
- Cray_XMT sameAs Q5183030.
- Cray_XMT sameAs Cray_XMT.
- Cray_XMT wasDerivedFrom Cray_XMT?oldid=605993216.
- Cray_XMT isPrimaryTopicOf Cray_XMT.