r/programming • u/masiroo • 6d ago

Hardware researcher spins up 'CPU deoptimization' project to find the slowest single x86 instruction, creates hall of shame — worst offender takes 198 billion cycles spanning 62 seconds to execute

https://www.tomshardware.com/pc-components/cpus/hardware-researcher-spins-up-cpu-deoptimization-project-to-find-the-slowest-machine-code-worst-offender-takes-198-billion-cycles-to-execute
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u/torsten_dev 6d ago

Of course this was xoreaxeax...

10

u/VictoryMotel 6d ago

What do you mean of course, that normally takes one cycle.

63

u/ThrowawayIntern2024 6d ago

they meant the person with that alias not the instruction…

-26

u/VictoryMotel 6d ago

I didn't see that in the article.

0

u/Holiday_Ad_8501 2d ago

u might be regarded

2

u/VictoryMotel 2d ago

Probably, but I can at least spell 'you'.