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Intel® AVX-512 - FP16 Instruction Set for Intel® Xeon® Processor Based Products Technology Guide

Last Updated: Mar 11, 2024

This document describes the new FP16 instruction set architecture for Intel® AVX-512 that has been added to the 4th generation Intel® Xeon® Scalable processor. The instruction set supports a wide range of general-purpose numeric operations for 16-bit half-precision IEEE-754 floating-point and complements the existing 32-bit and 64-bit floating-point instructions already available in Xeon server products. The new ISA also provides complex-valued native hardware support, making the ISA ideal for signal and media processing. This revision describes how to use the FP16 data type without hardware support.

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