Why is the computing power not much improved with 4 U 32 cores?

Source: Internet
Author: User
Why is the computing power not much improved with 4 U 32 cores? -- Linux general technology-Linux technology and application information. For details, refer to the following section. I now have a server, a tyan motherboard, with four AMD 8-core CPUs and a 6-core AMD CPU.

Now the two machines run a software program at the same time, and the 32-core machine is only 20% faster than the 6-core PC, and I tried to run the 32-Core Machine with 8 cores.
Not as fast as a 6-core PC !!!

Excuse me, isn't it a CPU? Or architecture problems?

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