MacOS benchmarks before/after Meltdown & Spectre patches

[Marx55]

UPDATED ON 12th February 2018:

Feel free to use this thread to add your own discoveries or benchmarsks:

Searching Google for
Meltdown Spectre performance "Sierra" "SSD" "read" "write"
shows this:

Mac:
Measuring OS X Meltdown Patches Performance
https://reverse.put.as/2018/01/07/measuring-osx-meltdown-patches-performance

Meltdown patch reduces mkfile(8) throughput to less than 1/3 on macOS
http://blog.metaobject.com/2018/01/meltdown-patch-reduces-mkfile8.html

MacBook Pro (13-inch Retina Early 2015) benchmark before and after Meltdown vulnerability equipped with macOS 10.12.6 to 10.13.2.
https://translate.google.es/translate?hl=en&sl=ja&u=https://applech2.com/archives/20180123-macbook-pro-early-2015-pre-post-meltdown-patch-benchmark.html

MacOS 10.12.6 Sierra benchmark before and after Maltdown mitigation measures.
https://translate.google.es/translate?hl=en&sl=ja&u=https://applech2.com/archives/20180124-macos-benchmark-pre-post-meltdown-patch.html

Windows:
Intel benchmarks for Meltdown / Specter: Performance drops by up to 10 percent, SSD I / O significantly more
https://translate.google.es/transla...Prozent-ab-SSD-I-O-deutlich-mehr-3938747.html

Here's how much the Meltdown and Spectre patches drag down older hardware
https://www.pcworld.com/article/325...spectre-patches-drag-down-older-hardware.html

Windows 10, Meltdown and Spectrum: what impact on performance?
https://translate.googleusercontent...eltdown-spectre-quel-impact-performances.html