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Higher speed under load?

T

taq8ojh

Golden Member
I just noticed something extremely weird. I was running some benchmarks on my SSD with HDTune, and noticed I get significantly higher read speed when CPU is almost fully loaded. By significant I mean roughly 50MB/s more.
Is there any logical explanation to this?
 
I can only assume that by loading the cpu up, it can not count time correctly (or how ever HDTune works) so it can not reliably read drive speeds as that is a function of data read in a set time period.

As to why it is a constant increase , that I can not answer.

but as with checking performance of any single part of a computer system, having any bottleneck will effect results.
 
Octopuss said:
I just noticed something extremely weird. I was running some benchmarks on my SSD with HDTune, and noticed I get significantly higher read speed when CPU is almost fully loaded. By significant I mean roughly 50MB/s more.
Is there any logical explanation to this?
Click to expand...

Let me guess, Intel-based rig, with power-saving enabled?

This effect is actually well-known. Intel rigs have SSD performance losses when throttling down due to power-saving.

If you want maximum disk performance, either disable all power-saving features in the BIOS, and run full-bore at maximum clocks, or change Windows' power profile to "High Performance".
 
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