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I want to calculate the theoretical UPI bandwidth of a dual-socket machine running Linux system in order to estimate the max remote memory access bandwidth.

Theoretically, UPI bandwidth = UPI speed (GT/s) * bit width * link num * 2

I want to know how I can obtain these parameters without rebooting the machine.

The cpu of the server is Intel(R) Xeon(R) Gold 6230R * 2, the OS is CentOS 7.

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