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Those who have looked at the patches in detail: does it treat older generation CPUs differently than 7th gen? The Paper authors who wrote the KAISER patch expec

Those who have looked at the patches in detail: does it treat older generation CPUs differently than 7th gen? The Paper authors who wrote the KAISER patch expected much worse performance on older CPUs due to implementation issues... Unfortunately, Epic Games don't provide any details about their CPUs AFAICT.

simfoo 9y ago
Really interested in this as well. Details matter here
johnbellone 9y ago
They did mention that they were using a cloud provider. But that’s about it.
cthalupa 9y ago
I believe PCID is supposed to help mitigate the performance impact from the KPTI changes. Both the hardware and kernel have to support PCID