Article | REF: H1014 V1

Many-core processors

Author: Daniel ETIEMBLE

Publication date: May 10, 2019

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6. Glossary

AVX (Advanced Vector Extension)

Characterizes SIMD extensions in the Intel 64 instruction set: AVX instructions work on 256-bit registers and memory words, and AVX-512 instructions on 512-bit registers and memory words.

MOESI

cache coherence protocol used in multi-core systems

MESIF

cache coherence protocol used in multi-core systems

SIMD (Single Instruction Multiple Data)

Processor instructions performing the same operation on several consecutive data contained in a register or memory cell

VPU (Vector Processing Unit)

Name of SIMD computing unit in Intel Xeon Phi coprocessors

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