Topic has been updated as World Community Grid now has a News Article about it
SOURCE
When running on the Radeon 6870, Afterburner says about 94-95% GPU usage. Mouse movement and overall OS use is laggy, similar to when Primegrid GPU units are crunching. CPU usage is about 1-3% throughout this part.
Running time is about 4 minutes. At around the 3 minute mark, BOINC says that 1 second remains, and the GPU usage % drops to 0, and the unit will run for a bit more with an entire CPU core being used.
Also, Windows Task Manager reports the GPU work unit as a 32 bit application.


SOURCE
When running on the Radeon 6870, Afterburner says about 94-95% GPU usage. Mouse movement and overall OS use is laggy, similar to when Primegrid GPU units are crunching. CPU usage is about 1-3% throughout this part.
Running time is about 4 minutes. At around the 3 minute mark, BOINC says that 1 second remains, and the GPU usage % drops to 0, and the unit will run for a bit more with an entire CPU core being used.
Also, Windows Task Manager reports the GPU work unit as a 32 bit application.












