Did the performance hit from the meltdown/spectre patches ever get fixed in subsequent updates?
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Posted Jun 20, 2022, 3:59 PM UTC · locked
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Old cpu got hit the hardest, there never was a fix for this.
Newer chips have silicon features (and fixes) done in the design stages, that's why they aren't hit as hard.
Any idea where the 8000 series might fall?
Intel maintains a table of mitigations for their processors here:
Also, phoronix measured the impact of the mitigations in 2021:
Processors before 10th gen were impacted greatly. Though their numbers given for 9th is only half true as they didn't test the updated R0 stepping which contained hardware mitigations, significantly reduced the performance impact of SW mitigations.
8th Gen Intel?
Mostly HW fixed, impact minimized or almost nill