Forum > Windows
optimized sources
Jason G:
--- Quote from: _heinz on 11 Aug 2011, 04:42:58 am ---... I think it would be better the app choose the GPU, than jiggle with profiles.
my two cents....
--- End quote ---
yeah optimus has differences when you need Cuda + Graphics (DX or OpenGL), which we didn't ever need to worry about. I am curious how Boinc tells the driver version now, as it looks to sometimes give the same proper result & sometimes weird 'unknown'. I'll look into it, as really it's likely the server needs to know the proper driver version one day, to send the right applications.
Richard Haselgrove:
--- Quote from: Jason G on 11 Aug 2011, 05:29:09 am ---If mine works, then it's specific to Boinc :D (i.e. they aren't using the same mechanism, I
I'll have a proper look what the use a bit later. strange they would link with nvApi and not use that. )
--- End quote ---
Well, yes, BOINC - but it's specific to certain hosts, and thus I suspect to certain graphics cards. Looking at my host list, it's only the 420M notebook which is missing a driver. The only other difference which would be worth considering is that the notebook is the only 64-bit host in that list - but there are enough 64-bit users around to rule that difference out. Oh, and notebook GPUs are almost by definition OEM variants - GPU-Z has problems getting memory usage from this one, for example.
Jason G:
Mine's 64 bit, so that's eliminated as a source. Now that I'm curious I'll have a bit of a dig in the Boinc sources & give you another source patch... LoL
Richard Haselgrove:
--- Quote from: Jason G on 11 Aug 2011, 06:08:55 am ---Mine's 64 bit, so that's eliminated as a source. Now that I'm curious I'll have a bit of a dig in the Boinc sources & give you another source patch... LoL
--- End quote ---
I'll be around for a couple of hours to run any instrumented test apps, but I've promised to go out on a call at 13:00 UTC.
Jason G:
--- Quote from: Richard Haselgrove on 11 Aug 2011, 06:12:06 am ---I'll be around for a couple of hours to run any instrumented test apps, but I've promised to go out on a call at 13:00 UTC.
--- End quote ---
I'm off to work anyway. Only a few hours tonight. Heinz has just got me curious now, so I have to find out ;)
[Later:] Looks like some ancient nvapi.lib (both 32 & 64 bit) in the Boinc Trunk. I'll have a look if simply bringing them up to date is easy enough, and helps (or not).
Boinc trunk 32 bit version nvapi:
- name: nvapi.lib
- size: 10.1KB
Mine: nvapi.lib, 80.9KB
Boinc trunk 64 bit version nvapi:
- name: nvapi.lib
- size: 10.7KB
Mine: nvapi64.lib, 116KB
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