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Originally written in C++ for MIPS, Nachos runs as a user-process on a host operating system. A MIPS simulator executes the code for any user programs running on top of the Nachos operating system. Ports of the Nachos code exist for a variety of architectures. In addition to the Nachos code, a number of assignments are provided with the Nachos ...
It is supported by hardware and software development tools from MIPS Technologies and other providers. MIPS16e is an improved version of MIPS16 first supported by MIPS32 and MIPS64 Release 1. MIPS16e2 is an improved version of MIPS16 that is supported by MIPS32 and MIPS64 (up to Release 5). Release 6 replaced it with microMIPS.
Machine code is generally different from bytecode (also known as p-code), which is either executed by an interpreter or itself compiled into machine code for faster (direct) execution. An exception is when a processor is designed to use a particular bytecode directly as its machine code, such as is the case with Java processors.
This data hazard can be detected quite easily when the program's machine code is written by the compiler. The Stanford MIPS machine relied on the compiler to add the NOP instructions in this case, rather than having the circuitry to detect and (more taxingly) stall the first two pipeline stages. Hence the name MIPS: Microprocessor without ...
In the early 1990s, MIPS began to license their designs to third-party vendors. This proved fairly successful due to the simplicity of the core, which allowed it to have many uses that would have formerly used much less able complex instruction set computer (CISC) designs of similar gate count and price; the two are strongly related: the price of a CPU is generally related to the number of ...
In computer science, dynamic recompilation is a feature of some emulators and virtual machines, where the system may recompile some part of a program during execution. By compiling during execution, the system can tailor the generated code to reflect the program's run-time environment, and potentially produce more efficient code by exploiting information that is not available to a traditional ...
The Interactive Disassembler (IDA) is a disassembler for computer software which generates assembly language source code from machine-executable code. It supports a variety of executable formats for different processors and operating systems. It can also be used as a debugger for Windows PE, Mac OS X Mach-O, and Linux ELF executables.
On February 15, 1988, IBM announced [18] Processor Resource/Systems Manager (PR/SM) for 3090 enhanced ("E") models This feature allows the operator to define and assign resource to a virtual machine known as a logical partition (LPAR). Initially there was a 4-LPAR limit for uniprocessors and an 8-LPAR limit for multiprocessors, but newer ...