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> Specifically relating to the Ryzen 9 9950X and the Ryzen 9 9900X, AMD has brought back their PPM Provisioning driver.

Very interesting this driver is needed.

Has there ever been a time in the past where a driver is needed just so the CPU properly functions?

I mean, it works properly, but a bit slower. The driver just detects if the kind of application currently running (i.e. a game) needs to be confined to only one CCD.

The core to core latency between the two CCDs seems to have doubled from the 7xxx series according to some latency benchmarks I saw yesterday.

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