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Making F@H Faster!

post #1 of 15
Thread Starter 
Hiya Guyz,

Note: this will dramatically slow down your PC so this is recommended for when the PC is either not being not or you have a folding farm at home

This is quite easy... (note the F@H App has to be running)
1/ Press Ctrl + Alt + Delete to pop-up the Task Manager
2/ Go to the Processes Tab
3/ Click once on FahCore_82.exe
4/ Right-Click on FahCore_82.exe
5/ Go on Set Priority from the list poped-up
6/ Choose High
7/ Click 'Yes' for the pop-up message

PS: To undo the changes just re-do all steps, but than choose Low in the Set-Priority option.
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post #2 of 15
This makes the folding application somewhat unstable in some overclocks I hear, so I duno about this.
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post #3 of 15
Thread Starter 
Quote:
Originally Posted by Chopes
This makes the folding application somewhat unstable in some overclocks I hear, so I duno about this.
Making the overclock unstable you say, this means that the overclock in unstable on high load... well i ran mine for 1 hour and it's on an overclock to 2.66Ghz and gave me no trouble at all... My guess is, that if this makes your pc unstable, then you have some issues...
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post #4 of 15
I'm not sure that this does much of anything. The folding application is set to run on idle clock cycles. When your system is idle, the vast majority of CPU time is free to devote to folding. Bumping up the priority to high merely forces it to be the top priority (possibly knocking out other important tasks such as automatic updates and the like) while leaving it on low allows it to hog the CPU all it wants most of the time.

On the flipside, if you forget to set the application priority back down, your system performance will be attrocious. Set on low, Windows handles the prioritizing, and it's not an issue at all when you want to run other applications.

Please work up some comparisons on your system for a few different cores with low vs. high priority. Try to make the tests as fair as possible (i.e. close all programs, allow the computer to sit idle for an hour or so each time, etc.) and post the relative frame rates or some other metric for comparison.
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post #5 of 15
Thread Starter 
well when the priority was set on High, my average time for a frame was 3m 35sec, now it is set on low with average of 6m... Well as i posted previously, this is recommended a folding farm, or whilst not using the pc... so that the CPU can completely work on folding whilst ignoring other 'un-important' processes and threads...
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post #6 of 15
Did you let the computer sit idle while comparing the times? Just fiddling around online and such can slow down times significanly, especially if you have slow/low RAM.

For comparison, I see less of a drop off when I game than you're noticing with fiddling with the priority. On my primary rig, the idle time of 34 seconds/frame jumps to about 57 seconds/frame with fairly intensive games such as Far Cry going.
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post #7 of 15
Thread Starter 
yes of course, went and took a shower than came back after setting High, than I left the pc alone when running an low priority for about 45min whilst eating and watching some tv... it's true that when setting on high, the pc gets dramatically slow, that's why i made a note that this is to be used only if you have a folding farm (which you only use for folding) or if you leave your pc on at night doing nothing
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post #8 of 15
I think this issue requires further study/observations. I checked on one of my folding rigs (as idle as can be) and received no boost from changing the priority. That was on core 96 on an Intel machine. As you pick up different cores, run the same test and document the differences in high/low priority. That could be extremely useful, especially if it it based on core, processor, OS, etc. There's some factor at work on your system, and it is definitely worthwhile to figure out what it is.

Also, you may want to edit your first post as core 82 is a specific one. You may want to replce the numbers with XX or something to make it more general.
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post #9 of 15
I will get back to this thread, I will do some testing, I have several server's I will try this on them and get back with the results in a couple of days.
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post #10 of 15
Great! I look forward to the results.
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