# Investigating AVX-512 Frequency Transitions on Intel CPUs

DevFeed: [Investigating AVX-512 Frequency Transitions on Intel CPUs](<https://devfeed.tech/articles/gathering-intel-on-intel-avx-512-transitions-28483.md>)

Original publisher: [Read original article](<https://travisdowns.github.io/blog/2020/01/17/avxfreq1.html>)

Author: Travis Downs (travis.downs@gmail.com)

Published: 2020-01-17T00:00:00Z

Content type: article

Language: en

Sources: [Performance Matters](<https://devfeed.tech/sources/performance-matters.md>)

Topics: [intel](<https://devfeed.tech/topics/intel.md>), [Benchmark](<https://devfeed.tech/topics/benchmark.md>), [Linux](<https://devfeed.tech/topics/linux.md>), [Code](<https://devfeed.tech/topics/code.md>), [Script](<https://devfeed.tech/topics/script.md>), [Scripting](<https://devfeed.tech/topics/scripting.md>), [Shell](<https://devfeed.tech/topics/shell.md>)

Tags: [avx](<https://devfeed.tech/tags/avx.md>), [benchmark](<https://devfeed.tech/tags/benchmark.md>), [blog](<https://devfeed.tech/tags/blog.md>), [c-plus-plus](<https://devfeed.tech/tags/c-plus-plus.md>), [code](<https://devfeed.tech/tags/code.md>), [hardware](<https://devfeed.tech/tags/hardware.md>), [intel](<https://devfeed.tech/tags/intel.md>), [linux](<https://devfeed.tech/tags/linux.md>), [metrics](<https://devfeed.tech/tags/metrics.md>), [performance](<https://devfeed.tech/tags/performance.md>), [python](<https://devfeed.tech/tags/python.md>), [scripting](<https://devfeed.tech/tags/scripting.md>), [shell](<https://devfeed.tech/tags/shell.md>), [tests](<https://devfeed.tech/tags/tests.md>), [uarch](<https://devfeed.tech/tags/uarch.md>)

## AI overview

This article investigates the detailed behavior of AVX and AVX-512 frequency transitions on Intel CPUs using target tests and sampled performance metrics. It describes the test structure and provides accompanying source code and data-generation scripts.

## Source excerpt

Investigating some details of SIMD related frequency transitions on Intel CPUs.