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World Community Grid Forums
Category: Support
Forum: BOINC Agent Support
Thread: Integer intense projects and floating point ones |
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Thread Status: Active Total posts in this thread: 4
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Cheers
Could somebody please give a heads up on which projects are "integer calculations" and which "floating point calculations" oriented? That is if such a division exists. I guess this would help people discern between projects well suited for their particular CPU type. For example AMD Bulldozers have twice the number of ALUs against FPUs so are naturally "integer friendly"/"FP handicapped" (either way you want to put it). Or am I missing something and that sort of division is pointless? |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Observation, HCC(1) is integer on CPU. Possibly C4CW [not looked]. The rest pretty much FP by the nature of the sciences done.
Don't think anyone as yet characterized all sciences on that basis in the public... and the fun part is, it can make a whole lot of difference depending on the efforts taken in finding the optimal libraries for each of the main OS compiles. Used to be HCC on Linux ran 2x as fast as on Windows. After 2 rounds of recoding and compiling they're now pretty much on par, 4x faster as the original. --//-- |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
So you can actually get 4x as much work done on the same project , based on how optimized the software libraries are? And that's proven?
It sounds incredible, are there any penalties? |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Yes, that's was proven, with an overall step change in project progress and massive drop in average task run times. Such as? No penalties that I've heard.
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