![]() ![]() ![]() Communication between cores that sit on separate CCX groups is significantly slower (by the factor of 2 and more).Ĭacheman (short for Cache manager) auto-optimizes the Windows sub-systems including cache and memory in order to improve responsiveness, privacy, and security. Within a CCX group, CPU cores can communicate very quickly with each other. The speed of the crossbar is linked to the speed of the system memory. ![]() The two groups are interconnected with a 256-bit wide bi-directional crossbar. The physical processor cores are placed on the CPU die in two groups of 4 cores each, the so called CCX (CPU Complex). The AMD Ryzen 7 processors consist of 16 CPU cores - 8 physical and 8 virtual (emulated) cores.
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