Message boards :
Number crunching :
Overclocking with SETI!
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![]() ![]() Send message Joined: 29 Oct 02 Posts: 494 Credit: 346,224 RAC: 0 ![]() |
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STE\/E Send message Joined: 29 Mar 03 Posts: 1137 Credit: 5,334,063 RAC: 0 ![]() |
It's hard to say Jaaku, I'm sure some people have already tried it and know. Without being able to get into your results and see what you are getting for Claimed & Granted Credit you really can't compare the differences ... I don't think it would damage the WU only just run them faster ... IMO ![]() |
Daniel Schaalma ![]() Send message Joined: 28 May 99 Posts: 297 Credit: 16,953,703 RAC: 0 ![]() |
Jaaku, I am not sure whether or not overclocking will have any effect on your credits/WU, but depending on how much you overclock your machine, it could produce erroneous data. I flirted with overclocking on several of my machines, and found that the Intel platforms were much more forgiving than AMD platforms as far as overclocking, but I have found that on either platform, without going to extremes like liquid cooling or TEC cooling, about 5 to 7 percent is the highest I could go without the machine becoming unstable after a few days, and trashing my Windows install. I would say, overclock at your own risk. Happy crunching! Daniel. |
![]() ![]() Send message Joined: 20 Aug 02 Posts: 3083 Credit: 150,096 RAC: 0 ![]() |
> Will overclocking lower the amount of CS you receave per WU? Hard to tell if this will have an influence on your claimed credit as it will higher the benchmark result but will lower the CPU time. Therefore, it is not sure your claimed credit will change. On the other hand, it will not have an influence on your granted credit as it is the mid value of 3 claimed credits. Greetings from Belgium. |
STE\/E Send message Joined: 29 Mar 03 Posts: 1137 Credit: 5,334,063 RAC: 0 ![]() |
Hard to tell if this will have an influence on your claimed credit as it will higher the benchmark result but will lower the CPU time. ========= Not if you Benchmark first & then Overclock Thierry ... ;) ![]() |
![]() ![]() Send message Joined: 20 Aug 02 Posts: 3083 Credit: 150,096 RAC: 0 ![]() |
> Not if you Benchmark first & then Overclock Thierry ... ;) Agree Poorboy, but uhmmmmmm, Benchmark results will be overwritten afterwards in a couple of days by running automatically. |
![]() ![]() ![]() Send message Joined: 17 Feb 01 Posts: 34258 Credit: 79,922,639 RAC: 80 ![]() ![]() |
Hi I have an AMD XP 2500+ running at 2100 Mhz and have the same Benchmark result as an XP 2800+. No problems since over one year Beta Test. But i think a to high frontside bus can bring some trouble. greetz Mike |
STE\/E Send message Joined: 29 Mar 03 Posts: 1137 Credit: 5,334,063 RAC: 0 ![]() |
Benchmark results will be overwritten afterwards in a couple of days by running automatically. ============== My Pc's do their Auto Benchmarking on Friday mornings it seems, so it's not that hard to plan ahead and prepare for it by turning back the CPU to it's regular speed before hand. Plus there's always the way to manually Benchmark and Update if the Auto Benchmark slips by you ... The only thing that a Auto Benchmark that you didn't catch would do is to add a host that your not using in your Account. ![]() |
![]() ![]() Send message Joined: 29 Oct 02 Posts: 494 Credit: 346,224 RAC: 0 ![]() |
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![]() ![]() Send message Joined: 14 Jul 99 Posts: 173 Credit: 1,698,756 RAC: 3 ![]() |
Something to be aware of is that highly overclocked machines may appear to be stable in day to day operation, but their floating point arithmetic units start to be unreliable. You could start submitting bad science. Just a heads up. <p> ------------------ Wave upon wave of demented avengers march cheerfully out of obscurity into the dream. ![]() |
![]() ![]() Send message Joined: 4 Jun 99 Posts: 228 Credit: 3,559,381 RAC: 0 ![]() |
> I have just started to overclock my CPU again, i have my 2.8GHZ running at > 3.33GHZ @ only 34C running SETI. Nice. I've put lots of extra cooling in my machine and the best I've been able to do with my 3.06GHz machine is about 3.4GHZ at 45C. The only time I can get it down to 34C is when Seti's not running. ![]() |
STE\/E Send message Joined: 29 Mar 03 Posts: 1137 Credit: 5,334,063 RAC: 0 ![]() |
Nice. I've put lots of extra cooling in my machine and the best I've been able to do with my 3.06GHz machine is about 3.4GHZ at 45C. The only time I can get it down to 34C is when Seti's not running. ========== I can run my 3.06 P4 @ 3.450 Ghz with just Fan cooling if I want to,I run a 150/30 FSB ... it run about 47C at that speed when running BOINC Seti ... it will run a little cooler running Seti Classic though ... ![]() |
John McLeod VII Send message Joined: 15 Jul 99 Posts: 24806 Credit: 790,712 RAC: 0 ![]() |
> Something to be aware of is that highly overclocked machines may appear to be > stable in day to day operation, but their floating point arithmetic units > start to be unreliable. You could start submitting bad science. > > Just a heads up. If your result does not agree with two others, it will be rejected, and you will get no credit for it. ![]() |
![]() ![]() Send message Joined: 29 Oct 02 Posts: 494 Credit: 346,224 RAC: 0 ![]() |
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CGS Send message Joined: 5 Nov 03 Posts: 2 Credit: 19,569,846 RAC: 0 ![]() |
I have a AMD XP2500M air cooled running at around 2.4Ghz. This has been fine running boinc for the past week or so no probs whatsoever :) <a> |
Heffed Send message Joined: 19 Mar 02 Posts: 1856 Credit: 40,736 RAC: 0 ![]() |
> Benchmark results will be overwritten afterwards in a couple of days by > running automatically. Yep. It's just false economy to "doctor" your benchmarks. It's the real world operating conditions we're looking for here folks. <a> |
![]() ![]() Send message Joined: 29 Oct 02 Posts: 494 Credit: 346,224 RAC: 0 ![]() |
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![]() ![]() Send message Joined: 21 Oct 99 Posts: 2246 Credit: 6,136,250 RAC: 0 ![]() |
if you overclock your CPU make sure that Prime is working right, minimum 12 Hours i think, only for Info, to make sure your Computer is working right, and without Problems. Greetings from Germany NRW Ulli ![]() |
![]() ![]() Send message Joined: 29 Oct 02 Posts: 494 Credit: 346,224 RAC: 0 ![]() |
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ric ![]() Send message Joined: 16 Jun 03 Posts: 482 Credit: 666,047 RAC: 0 ![]() |
What is the gain? 5% more 10% more? more more? is there a need to by every 6 month new power supplies or new fan unit? what is your loose: keeping watching and watching, bibbering if not to hot an spend a lot of time. If you want speed, then simply add an other pc... a 2000MHz and a 1000 MHz together makes more throughtput than an "stressed" 21xx It's summertime also, take a walk around, look at the sky and enjoy to know the couples of pc can run alone and stable and faithfull ric |
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