A derivative, the R4300i, fabricated by NEC Electronics, was used in the Nintendo 64 game console. MIPS Technologies' R4200 (1994), was designed for embedded systems, laptop, and personal computers. Quantum Effect Design's R4600 (1993) and its derivatives was widely used in high-end embedded systems and low-end workstations and servers. MIPS III was eventually implemented by a number of embedded microprocessors. Other uses of the R4000 included high-end embedded systems and supercomputers. ARC found little success in personal computers, but the R4000 (and the R4400 derivative) were widely used in workstation and server computers, especially by its largest user, Silicon Graphics. MIPS Computer Systems aggressively promoted the MIPS architecture and R4000, establishing the Advanced Computing Environment (ACE) consortium to advance its Advanced RISC Computing (ARC) standard, which aimed to establish MIPS as the dominant personal computing platform. It was designed for use in personal, workstation, and server computers. MIPS Computer Systems' R4000 microprocessor (1991) was the first MIPS III implementation. During the mid-1990s, many new 32-bit MIPS processors for embedded systems were MIPS II implementations because the introduction of the 64-bit MIPS III architecture in 1991 left MIPS II as the newest 32-bit MIPS architecture until MIPS32 was introduced in 1999. : 8 Designed for servers, the R6000 was fabricated and sold by Bipolar Integrated Technology, but was a commercial failure. MIPS Computer Systems' R6000 microprocessor (1989) was the first MIPS II implementation. When MIPS II was introduced, MIPS was renamed MIPS I to distinguish it from the new version. Both MIPS and the R2000 were introduced together in 1985. The first version of the MIPS architecture was designed by MIPS Computer Systems for its R2000 microprocessor, the first MIPS implementation. In March 2021, MIPS announced that the development of the MIPS architecture had ended as the company is making the transition to RISC-V. The architecture greatly influenced later RISC architectures such as Alpha. Ĭomputer architecture courses in universities and technical schools often study the MIPS architecture. MIPS-3D which is a simple set of floating-point SIMD instructions dedicated to common 3D tasks, MDMX (MaDMaX) which is a more extensive integer SIMD instruction set using the 64-bit floating-point registers, MIPS16e which adds compression to the instruction stream to make programs take up less room, and MIPS MT, which adds multithreading capability. The MIPS architecture has several optional extensions. MIPS32/64 primarily differs from MIPS I–V by defining the privileged kernel mode System Control Coprocessor in addition to the user mode architecture. As of April 2017, the current version of MIPS is MIPS32/64 Release 6.
The early MIPS architectures were 32-bit 64-bit versions were developed later. There are multiple versions of MIPS: including MIPS I, II, III, IV, and V as well as five releases of MIPS32/64 (for 32- and 64-bit implementations, respectively).
MIPS ( Microprocessor without Interlocked Pipelined Stages) is a reduced instruction set computer (RISC) instruction set architecture (ISA) : A-1 : 19 developed by MIPS Computer Systems, now MIPS Technologies, based in the United States. Therefore, the R12000 and older processors are fully open. The R12000 processor has been on the market for more than 20 years and so cannot be subject to patent claims. MIPS Technologies, Imagination Technologies
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