穿膠花又做爸爸
2019-9-2 19:49:47
Uh, did you check the worker threads of prime95? One of them might have return a "FATAL ERROR" or something similar. The moment a thread fails, it halts execution. So if one of your CPU cores went bad with the calculations, the thread stops. If you have 4 cores, and one of them stop being used, you would have 75% load (3 out of 4 cores at 100, the last one 0). Do you have hyper threading on? That would give you 8 logical cores. Two or three cores failing would give you 70-80% usage.
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