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A comment on Your CPU may have slowed down on Wednesday. Parent comment

Re:Your CPU may have slowed down on Wednesday by devwastaken on Tuesday June 22, 2021 @11:46AM (#27593164)
It's mostly Intel that's affected. They got the market edge by knowingly putting unsafe optimizations in their silicon and then never disclosing it. AMD is not nearly as affected, nor ARM.
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Re:Your CPU may have slowed down on Wednesday by colechristensen on Tuesday June 22, 2021 @11:56AM (#27593291)
Or Intel is more popular and attracting more attack research.

I think both are true.

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Re:Your CPU may have slowed down on Wednesday by bosswipe on Tuesday June 22, 2021 @01:53PM (#27594823)
This is not true

ARM: https://developer.arm.com/support/arm-security-updates/specu...

There are also a bunch of mitigations for AMD.

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