The R10000, code-named "T5", is a

RISC In computer engineering, a reduced instruction set computer (RISC) is a computer designed to simplify the individual instructions given to the computer to accomplish tasks. Compared to the instructions given to a complex instruction set comput ...

microprocessor implementation of the MIPS IV

instruction set architecture In computer science, an instruction set architecture (ISA), also called computer architecture, is an abstract model of a computer. A device that executes instructions described by that ISA, such as a central processing unit (CPU), is called an ' ...

(ISA) developed by MIPS Technologies, Inc. (MTI), then a division of

Silicon Graphics, Inc. Silicon Graphics, Inc. (stylized as SiliconGraphics before 1999, later rebranded SGI, historically known as Silicon Graphics Computer Systems or SGCS) was an American high-performance computing manufacturer, producing computer hardware and soft ...

(SGI). The chief designers are Chris Rowen and Kenneth C. Yeager. The R10000

microarchitecture In computer engineering, microarchitecture, also called computer organization and sometimes abbreviated as µarch or uarch, is the way a given instruction set architecture (ISA) is implemented in a particular processor. A given ISA may be impl ...

is known as ANDES, an abbreviation for Architecture with Non-sequential Dynamic Execution Scheduling. The R10000 largely replaces the

R8000 The R8000 is a microprocessor chipset developed by MIPS Technologies, Inc. (MTI), Toshiba, and Weitek.Hsu 1994 It was the first implementation of the MIPS IV instruction set architecture. The R8000 is also known as the ''TFP'', for ''Tremendous Flo ...

in the high-end and the

R4400 The R4000 is a microprocessor developed by MIPS Computer Systems that implements the MIPS III instruction set architecture (ISA). Officially announced on 1 October 1991, it was one of the first 64-bit microprocessors and the first MIPS III impleme ...

elsewhere. MTI was a fabless semiconductor company; the R10000 was fabricated by

NEC is a Japanese multinational corporation, multinational information technology and electronics corporation, headquartered in Minato, Tokyo. The company was known as the Nippon Electric Company, Limited, before rebranding in 1983 as NEC. It prov ...

and

Toshiba , commonly known as Toshiba and stylized as TOSHIBA, is a Japanese multinational conglomerate corporation headquartered in Minato, Tokyo, Japan. Its diversified products and services include power, industrial and social infrastructure system ...

. Previous fabricators of MIPS microprocessors such as Integrated Device Technology (IDT) and three others did not fabricate the R10000 as it was more expensive to do so than the R4000 and R4400.

History

The R10000 was introduced in January 1996 at clock frequencies of 175 MHz and 195 MHz. A 150 MHz version was introduced in the O2 product line in 1997, but discontinued shortly after due to customer preference for the 175 MHz version. The R10000 was not available in large volumes until later in the year due to fabrication problems at MIPS's foundries. The 195 MHz version was in short supply throughout 1996, and was priced at US$3,000 as a result. On 25 September 1996, SGI announced that R10000s fabricated by NEC between March and the end of July that year were faulty, drawing too much current and causing systems to shut down during operation. SGI recalled 10,000 R10000s that had shipped in systems as a result, which impacted the company's earnings. In 1997, a version of R10000 fabricated in a 0.25 µm process enabled the microprocessor to reach 250 MHz.

Users

Users of the R10000 include: * SGI: ** Workstations:

Indigo2 The O2 is a large entertainment district on the Greenwich peninsula in South East London, England, including an indoor arena, a music club, a Cineworld cinema, an exhibition space, piazzas, bars, and restaurants. It was built largely within ...

(IMPACT Generation),

Octane Octane is a hydrocarbon and an alkane with the chemical formula , and the condensed structural formula . Octane has many structural isomers that differ by the amount and location of branching in the carbon chain. One of these isomers, 2,2,4-Tri ...

, O2 ** Servers:

Challenge Challenge may refer to: * Voter challenging or caging, a method of challenging the registration status of voters * Euphemism for disability * Peremptory challenge, a dismissal of potential jurors from jury duty Places Geography *Challenge, C ...

Origin 2000 The SGI Origin 2000 is a family of mid-range and high-end server computers developed and manufactured by Silicon Graphics (SGI). They were introduced in 1996 to succeed the SGI Challenge and POWER Challenge. At the time of introduction, these r ...

** Supercomputers: Onyx, Onyx2 * NEC, in its Cenju-4 supercomputer *

Siemens Nixdorf Siemens Nixdorf Informationssysteme, AG (SNI) was formed in 1990 by the merger of Nixdorf Computer and the Data Information Services (DIS) division of Siemens. It functioned as a separate company within Siemens. It was the largest information ...

, in its servers run under

SINIX Sinix may refer to: * SINIX, computer operating system * Şınıx, Azerbaijan {{dab