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[Bug Report] GPU Engine checkboxes don't correspond to the graphs shown

In Process Explorer my GPU graph always shows 0% . I tracked it down to having specific engines selected, despite these engines being "busy" on the Engines screen. See: [System Information > GPU tab > Engines button] .

The "busy" engines (13, 19, and 22) were indeed checked, so I would have expected the overview GPU graph to display some usage, but it remained pegged on 0%.

Through trial and error I found that checking only the "idle" looking engine 9, the overview GPU would show up to 100% (as expected for a "busy" engine). I could not find any checkboxes that would correspond to the other 2 "busy" engines.

So something must be out of sync between the checkboxes and the graphs shown on the Engines tab.

I upgraded the SysInternals suite & Nvidia drivers to recent versions (both were ~2 years old prior to that). It made no difference.

Version details:

  • Process Explorer : 16.32

  • Windows 10 x64 : 10.0.18363 Build 18363

  • Video card: GeForce 1060 6GB

  • nVidia driver : 462.31

Engine 13 was performing usual display tasks. Engines 19 & 22 scientific computation via the BOINC client.

windows-sysinternals-procexp
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