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- Cray_Y-MP abstract "The Cray Y-MP was a supercomputer sold by Cray Research from 1988, and the successor to the company's X-MP. The Y-MP retained software compatibility with the X-MP, but extended the address registers from 24 to 32 bits. High-density VLSI ECL technology was used and a new liquid cooling system was devised. The Y-MP ran the Cray UNICOS operating system.The Y-MP could be equipped with two, four or eight vector processors, with two functional units each and a clock cycle time of 6 ns (167 MHz). Peak performance was thus 333 megaflops per processor. Main memory comprised 128, 256 or 512 MB of SRAM. The original Y-MP (otherwise known as the Y-MP Model D) was housed in a similar chassis to the horseshoe-shaped X-MP, but with an extra rectangular cabinet added in the middle (containing the CPU boards), thus forming a "Y" shape in plan view. The system could be configured with one or two Model D IOSs (Input/Output Subsystems) and an optional Solid State Disk (SSD) of 256 MB to 4GB capacity. The Y-MP had a measured GFLOPS of 2.144 and a peak GFLOPS of 2.667 in both 1988 and 1989.The Model D Y-MP was superseded in 1990 by the Y-MP Model E, which replaced IOS Model D with IOS Model E, providing twice the I/O throughput. The Y-shaped chassis was dropped in favor of one or two rectangular cabinets (each with a separate connected cabinet containing the liquid cooling system), depending on configuration. Maximum RAM was increased to 2 GB and up to eight IOSs were possible. Model E variants included the Y-MP 2E, Y-MP 4E, Y-MP 8E and Y-MP 8I, the latter being a single-cabinet (I for Integrated) version of the two-cabinet 8E. The 2E and 4E were later available with optional secondary air cooling.The Y-MP M90 was a large-memory variant of the Y-MP Model E introduced in 1992. This replaced the SRAM of the Y-MP with up to 32 GB of slower, but physically smaller DRAM devices. The Y-MP M90 was also available in variants with up to two, four or eight processors (M92, M94 and M98 respectively). Later, the model name was abbreviated to the Cray M90 series.The Y-MP C90 series is described separately.".
- Cray_Y-MP thumbnail Cray_Y-MP_GSFC.jpg?width=300.
- Cray_Y-MP wikiPageExternalLink yel.php.
- Cray_Y-MP wikiPageExternalLink Cfaqp1.html.
- Cray_Y-MP wikiPageID "855164".
- Cray_Y-MP wikiPageRevisionID "601197910".
- Cray_Y-MP hasPhotoCollection Cray_Y-MP.
- Cray_Y-MP title LINPACK.
- Cray_Y-MP years "1988".
- Cray_Y-MP subject Category:1988_introductions.
- Cray_Y-MP subject Category:Cray_products.
- Cray_Y-MP subject Category:Mainframe_computers.
- Cray_Y-MP subject Category:Supercomputers.
- Cray_Y-MP type Artifact100021939.
- Cray_Y-MP type Computer103082979.
- Cray_Y-MP type Device103183080.
- Cray_Y-MP type DigitalComputer103196324.
- Cray_Y-MP type Instrumentality103575240.
- Cray_Y-MP type Machine103699975.
- Cray_Y-MP type Mainframe103711711.
- Cray_Y-MP type MainframeComputers.
- Cray_Y-MP type Object100002684.
- Cray_Y-MP type PhysicalEntity100001930.
- Cray_Y-MP type Supercomputer104358117.
- Cray_Y-MP type Supercomputers.
- Cray_Y-MP type Whole100003553.
- Cray_Y-MP comment "The Cray Y-MP was a supercomputer sold by Cray Research from 1988, and the successor to the company's X-MP. The Y-MP retained software compatibility with the X-MP, but extended the address registers from 24 to 32 bits. High-density VLSI ECL technology was used and a new liquid cooling system was devised. The Y-MP ran the Cray UNICOS operating system.The Y-MP could be equipped with two, four or eight vector processors, with two functional units each and a clock cycle time of 6 ns (167 MHz).".
- Cray_Y-MP label "Cray Y-MP".
- Cray_Y-MP label "Cray Y-MP".
- Cray_Y-MP label "Cray Y-MP".
- Cray_Y-MP label "Cray Y-MP".
- Cray_Y-MP label "Cray Y-MP".
- Cray_Y-MP sameAs Cray_Y-MP.
- Cray_Y-MP sameAs Cray_Y-MP.
- Cray_Y-MP sameAs Cray_Y-MP.
- Cray_Y-MP sameAs m.03hl0g.
- Cray_Y-MP sameAs Q1090982.
- Cray_Y-MP sameAs Q1090982.
- Cray_Y-MP sameAs Cray_Y-MP.
- Cray_Y-MP wasDerivedFrom Cray_Y-MP?oldid=601197910.
- Cray_Y-MP depiction Cray_Y-MP_GSFC.jpg.
- Cray_Y-MP isPrimaryTopicOf Cray_Y-MP.
