andreas-abel / nanoBench

A tool for running small microbenchmarks on recent Intel and AMD x86 CPUs.
http://www.uops.info
GNU Affero General Public License v3.0
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{rd,wr}{fs,gs}base #30

Open clausecker opened 11 months ago

clausecker commented 11 months ago

Could you add timings for rdfsbase, rdgsbase, wrfsbase, and wrgsbase to the uops.info tables?

I've seen someone use these to use FS and GS as additional address registers in complicated numerical code, so they might be relevant for performance.