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Very long instruction word (VLIW) refers to instruction set architectures that are designed to exploit instruction-level parallelism (ILP). A VLIW processor allows programs to explicitly specify instructions to execute in parallel, whereas conventional central processing units (CPUs) mostly allow programs to specify instructions to execute in sequence only.
It was the basis for Intel and HP development of the Intel Itanium architecture, [3] and HP later asserted that "EPIC" was merely an old term for the Itanium architecture. [4] EPIC permits microprocessors to execute software instructions in parallel by using the compiler, rather than complex on-die circuitry, to control parallel instruction ...
Intel Atom Oak Trail 2-way simultaneous multithreading, in-order, burst mode, 512 KB L2 cache Intel Atom Bonnell: 2008 SMT Intel Atom Silvermont: 2013 Out-of-order execution Intel Atom Goldmont: 2016 Multi-core, out-of-order execution, 3-wide superscalar pipeline, L2 cache Intel Atom Goldmont Plus: 2017 Multi-core Intel Atom Tremont: 2019
Die of Intel i860 XP.. The first implementation of the i860 architecture is the i860 XR microprocessor (code-named N10), which ran at 25, 33, or 40 MHz.The second-generation i860 XP microprocessor (code named N11) added 4 Mbyte pages, larger on-chip caches, second level cache support, faster buses, and hardware support for bus snooping, for cache consistency in multiprocessor systems.
Intel's second generation of 32-bit x86 processors, introduced built-in floating point unit (FPU), 8 KB on-chip L1 cache, and pipelining. Faster per MHz than the 386. Small number of new instructions. P5 original Pentium microprocessors, first x86 processor with super-scalar architecture and branch prediction. P6
The architecture has been renamed several times during its history. HP originally called it PA-WideWord. Intel later called it IA-64, then Itanium Processor Architecture (IPA), [23] before settling on Intel Itanium Architecture, but it is still widely referred to as IA-64. It is a 64-bit register-rich explicitly parallel architecture.
Once the undisputed leader in computer processors that weren’t for mobile handsets or embedded devices, Intel’s x86 architecture is increasingly being challenged by Arm’s more efficient ...
An instruction set architecture (ISA) is an abstract model of a computer, also referred to as computer architecture.A realization of an ISA is called an implementation.An ISA permits multiple implementations that may vary in performance, physical size, and monetary cost (among other things); because the ISA serves as the interface between software and hardware.