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Should I disable hyperthreading?
Fresh7 days ago
Mar 15, 20267858 viewsConfidence Score0%
0%
Problem
I will be maxing out a few boxes running some heavy CPU intensive processing. Each process only uses 1 thread, so I will run them in parallel. I'm using machines with 4 cores, so that's 8 with hyperthreading enabled. Each process also uses 1GB of RAM, so I will need 8GB of RAM per machine if hyper-…
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Fix for: Should I disable hyperthreading?
Low Risk
The only way to know for sure is to benchmark. That said, there's very few scenarios where HT slows things down on a modern CPU, but moving from 4 to 8 processes might add enough I/O that other areas of the system turn into a bottleneck (Disk, Netwo…
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