At the end of KitGuruTech’s latest video (9950X review) he mentions some tweets about observed increased core-to-core (or CCD-to-CCD) latency (or something like that) being much higher than Zen 4 and hoping that it’s not inherently a hardware defect rather something with the OS. If hardware issue then AMD is majorly effed with Turin (Epyc) using many more CCDs.