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- UltraSPARC_IV abstract "The UltraSPARC IV Jaguar and follow-up UltraSPARC IV+ Panther are microprocessors designed by Sun Microsystems and manufactured by Texas Instruments. They are the fourth generation of UltraSPARC microprocessors, and implement the 64-bit SPARC V9 instruction set architecture (ISA). The UltraSPARC IV was originally to be succeeded by the UltraSPARC V Millennium, which was canceled after the announcement of the Niagara, now UltraSPARC T1 microprocessor in early 2004. It was instead succeeded by the Fujitsu-designed SPARC64 VI.The UltraSPARC IV was developed as part of Sun's Throughput Computing initiative, which included the UltraSPARC V Millennium, Gemini and UltraSPARC T1 Niagara microprocessors. Of the four original designs in the initiative, two reached production: the UltraSPARC IV and the UltraSPARC T1. Whereas the Millennium and Niagara implemented block multithreading - also known as coarse-grained multithreading, the UltraSPARC IV implemented chip-multithreading (CMP) — multiple single-thread cores.The UltraSPARC IV was the first multi-core SPARC processor, released in March, 2004. Internally, it implements two modified UltraSPARC III cores, and its physical packaging is identical to the UltraSPARC III with the exception of one pin. The UltraSPARC III cores were improved in a variety of ways. Instruction fetch, store bandwidth, and data prefetching were optimized. The floating-point adder implements additional hardware to handle more not a number (NaN) and underflow cases to avoid exceptions. Both cores share a L2 cache with a capacity of up to 16 MB but have their own L2 cache tags.The UltraSPARC IV contains 66 million transistors and measures 22.1 mm by 16.1 mm (356 mm2). It was fabricated by Texas Instruments in their 0.13 µm process.The UltraSPARC IV+, released in mid-2005, is also a dual-core design, featuring enhanced processor cores and an on-chip L2 cache. It is fabricated on a 90 nanometer manufacturing process. The initial speed of the UltraSPARC IV+ was 1.5 GHz, 0.3 GHz less than the intended 1.8 GHz. In April, 2007 it was increased to 2.1 GHz. It contains 295 million transistors.Servers using the UltraSPARC IV were released in September 2004. The UltraSPARC IV+ was released in Sun servers in September 2005. Sun Fire V490, V890, E2900, E4900, E6900, E20K and E25K systems all use UltraSPARC IV and IV+ processors. These systems range from 4 to 72 processor sockets (8 to 144 cores).Servers powered by the UltraSPARC IV+ processor were well received, allowing Sun to regain revenue lead in the RISC/UNIX server market in 2006.".
- UltraSPARC_IV wikiPageExternalLink 0,10801,96460,00.html.
- UltraSPARC_IV wikiPageID "4507148".
- UltraSPARC_IV wikiPageLength "6284".
- UltraSPARC_IV wikiPageOutDegree "32".
- UltraSPARC_IV wikiPageRevisionID "593230283".
- UltraSPARC_IV wikiPageWikiLink Adder_(electronics).
- UltraSPARC_IV wikiPageWikiLink Arithmetic_underflow.
- UltraSPARC_IV wikiPageWikiLink Category:2005_introductions.
- UltraSPARC_IV wikiPageWikiLink Category:SPARC_microprocessors.
- UltraSPARC_IV wikiPageWikiLink Category:Sun_microprocessors.
- UltraSPARC_IV wikiPageWikiLink Exception_handling.
- UltraSPARC_IV wikiPageWikiLink Fireplane.
- UltraSPARC_IV wikiPageWikiLink Floating-point.
- UltraSPARC_IV wikiPageWikiLink Floating_point.
- UltraSPARC_IV wikiPageWikiLink Instruction_set.
- UltraSPARC_IV wikiPageWikiLink Instruction_set_architecture.
- UltraSPARC_IV wikiPageWikiLink Microprocessor.
- UltraSPARC_IV wikiPageWikiLink Microprocessor_Report.
- UltraSPARC_IV wikiPageWikiLink Multithreading_(computer_architecture).
- UltraSPARC_IV wikiPageWikiLink NaN.
- UltraSPARC_IV wikiPageWikiLink Nanometer.
- UltraSPARC_IV wikiPageWikiLink Nanometre.
- UltraSPARC_IV wikiPageWikiLink Not_a_number.
- UltraSPARC_IV wikiPageWikiLink Reduced_instruction_set_computing.
- UltraSPARC_IV wikiPageWikiLink SPARC.
- UltraSPARC_IV wikiPageWikiLink SPARC64_VI.
- UltraSPARC_IV wikiPageWikiLink Semiconductor_device_fabrication.
- UltraSPARC_IV wikiPageWikiLink Sun_Fire.
- UltraSPARC_IV wikiPageWikiLink Sun_Fire_15K.
- UltraSPARC_IV wikiPageWikiLink Sun_Fire_E25K.
- UltraSPARC_IV wikiPageWikiLink Sun_Microsystems.
- UltraSPARC_IV wikiPageWikiLink Texas_Instruments.
- UltraSPARC_IV wikiPageWikiLink Transistor.
- UltraSPARC_IV wikiPageWikiLink UltraSPARC_III.
- UltraSPARC_IV wikiPageWikiLink UltraSPARC_T1.
- UltraSPARC_IV wikiPageWikiLink Unix.
- UltraSPARC_IV wikiPageWikiLinkText "IV".
- UltraSPARC_IV wikiPageWikiLinkText "Sun UltraSPARC IV".
- UltraSPARC_IV wikiPageWikiLinkText "UltraSPARC IV".
- UltraSPARC_IV arch SPARC.
- UltraSPARC_IV caption "UltraSPARC IV".
- UltraSPARC_IV designfirm Sun_Microsystems.
- UltraSPARC_IV fastUnit "GHz".
- UltraSPARC_IV fastest "2.1".
- UltraSPARC_IV hasPhotoCollection UltraSPARC_IV.
- UltraSPARC_IV imageSize "300".
- UltraSPARC_IV manuf Texas_Instruments.
- UltraSPARC_IV name "UltraSPARC IV".
- UltraSPARC_IV numcores "2".
- UltraSPARC_IV slowUnit "GHz".
- UltraSPARC_IV slowest "1.05".
- UltraSPARC_IV wikiPageUsesTemplate Template:Infobox_CPU.
- UltraSPARC_IV wikiPageUsesTemplate Template:Reflist.
- UltraSPARC_IV wikiPageUsesTemplate Template:Sun_hardware.
- UltraSPARC_IV subject Category:2005_introductions.
- UltraSPARC_IV subject Category:SPARC_microprocessors.
- UltraSPARC_IV subject Category:Sun_microprocessors.
- UltraSPARC_IV hypernym Microprocessors.
- UltraSPARC_IV comment "The UltraSPARC IV Jaguar and follow-up UltraSPARC IV+ Panther are microprocessors designed by Sun Microsystems and manufactured by Texas Instruments. They are the fourth generation of UltraSPARC microprocessors, and implement the 64-bit SPARC V9 instruction set architecture (ISA). The UltraSPARC IV was originally to be succeeded by the UltraSPARC V Millennium, which was canceled after the announcement of the Niagara, now UltraSPARC T1 microprocessor in early 2004.".
- UltraSPARC_IV label "UltraSPARC IV".
- UltraSPARC_IV sameAs UltraSPARC_IV.
- UltraSPARC_IV sameAs UltraSPARC_IV.
- UltraSPARC_IV sameAs UltraSPARC_IV.
- UltraSPARC_IV sameAs m.0c62wp.
- UltraSPARC_IV sameAs UltraSPARC_IV.
- UltraSPARC_IV sameAs Q2043824.
- UltraSPARC_IV sameAs Q2043824.
- UltraSPARC_IV wasDerivedFrom UltraSPARC_IV?oldid=593230283.
- UltraSPARC_IV isPrimaryTopicOf UltraSPARC_IV.