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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.
The Paragon XP/S is a productized version of the experimental Touchstone Delta system that was built at Caltech, launched in 1992. The Paragon superseded Intel's earlier iPSC/860 system, to which it is closely related. The Paragon series is based on the Intel i860 RISC microprocessor. Up to 2048 (later, up to 4096) i860s are connected in a 2D grid.
The Prescott was a major architectural revision. Later revisions were the first to feature Intel's x86-64 architecture, enhanced branch prediction and trace cache, and eventually support was added for the NX (No eXecute) bit to implement executable-space protection.
Intel iPSC/860 32-node parallel computer front panel, while running the Tachyon parallel ray tracing engine.August 22, 1995. Intel announced the iPSC/860 in 1990. The iPSC/860 consisted of up to 128 processing elements connected in a hypercube, each element consisting of an Intel i860 at 40–50 MHz or Intel 80386 microprocessor. [20]
Examples of this are the iAPX 432 (a project originally named the Intel 8800 [11]), the Intel 960, Intel 860 and the Intel/Hewlett-Packard Itanium architecture. However, the continuous refinement of x86 microarchitectures , circuitry and semiconductor manufacturing would make it hard to replace x86 in many segments.
The ORNL XP/S 150 MP was the first platform Tachyon supported that combined both large-scale distributed memory message passing among nodes, and shared memory multithreading within nodes. Adaptation of Tachyon to a variety of conventional Unix-based workstation platforms and early clusters followed, including porting to the IBM SP2.
In other projects Wikidata item; Appearance. move to sidebar hide. i860 may refer to: Intel i860, a VLIW RISC microprocessor; Intel 860 Chipset; Motorola i860 ...
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.