choppy/laggy while gpu is crunching

win7 32bit
4gb ram or what my 32bit system is capable of using from it :d
athlon II x3 440 3ghz
ati radeon hd 5770
90% gpu load
gpu temp 45°C

Win 7 64bit
8GB RAM
i7-2600K
Radeon 5450

Pretty much not usable.

P.S. Unchecking "Use GPU while computer is in use" is NOT a fix. The WUs take about 30 minutes on this GPU/machine. Any twitch of the mouse causes the WU to pause for x minutes and restart at the beginning.

edit: P.P.S. I'm only running GPU tasks at the moment, so no CPU constraints.

If this was intended for me, I just checked Use GPU always on the activity menu. Unfortunately, that seems to ignore the unchecked "Use GPU while computer is in use" setting and still results in a laggy windows experience.

That's how I had the settings configured before, including LAIM.
Those settings don't cause lag because the WU stops processing. The problem is that the WU restarts at 0% every time I start using the computer. So, if I'm away for 29 minutes and then start checking email, 29 minutes is lost.

Hello pirogue
Reference: pirogue [Oct 12, 2012 7:05:10 PM] post

I surmise that the pause action causes the restart to zero. I recall this has been the case since beta. I guess there may be problems storing paused data to some memory (CPU, or GPU memory?) on pause and a mechanism to retrieve that stored data upon resumption from pause.

Anyways, you indicated that you have an i7-2600K. I understand that the i7-2600K has an integrated-GPU. Have you tried hooking your monitor to the motherboard (to tap into the i7-2600K's integrated-GPU)? That should free your Radeon 5450 from having to render the UI-visuals (as that job would now be shouldered by the integrated-GPU) which in turn would free the Radeon 5450 to crunch the HCC-GPU-v6.56 WUs unburdened.
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