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A Toshiba R4000 microprocessor A IDT R4000 microprocessor MIPS R4000 die shot. 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 implementation.
The R4000 series, released in 1991, extended MIPS to a full 64-bit word design, moved the FPU onto the main die to form a single-chip microprocessor, and had a then high clock rate of 100 MHz at introduction. However, to achieve the clock frequency, the caches were reduced to 8 KB each and they took three cycles to access.
The CPU IP cores comprising the MIPS Series5 ‘Warrior’ family are based on MIPS32 release 5 and MIPS64 release 6, and will come in three classes of performance and features: 'Warrior M-class': entry-level MIPS cores for embedded and microcontroller applications, a progression from the popular microAptiv family
The MIPS Magnum R4000 PC-50 has a MIPS R4000PC processor with only 16 kB L1 cache (but no L2 cache), running at an external clock rate of 50 MHz (which was internally doubled in the microprocessor to 100 MHz). The MIPS Magnum R4000 SC-50 is identical to the Magnum R4000PC, but includes one megabyte of secondary cache in addition to the primary ...
MIPS Computer Systems' R4000 microprocessor (1991) was the first MIPS III implementation. It was designed for use in personal, workstation, and server computers.
MIPS Tech LLC, [1] formerly MIPS Computer Systems, Inc. and MIPS Technologies, Inc., is an American fabless semiconductor design company that is most widely known for developing the MIPS architecture and a series of RISC CPU chips based on it.
R4000: 1991 8 Scalar StrongARM SA-110: 1996 5 Scalar, in-order SuperH SH2: 5 SuperH SH2A: 2006 5 Superscalar, Harvard architecture SPARC: Superscalar hyperSPARC: 1993 Superscalar SuperSPARC: 1992 Superscalar, in-order SPARC64 VI/VII/VII+ 2007 Superscalar, out-of-order [6] UltraSPARC: 1995 9 UltraSPARC T1: 2005 6
NEC VR10000 die shot. The R10000 is a four-way superscalar design that implements register renaming and executes instructions out-of-order.Its design is a departure from previous MTI microprocessors such as the R4000, which is a much simpler scalar in-order design that relies largely on high clock rates for performance.