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 Post subject: Prime95
 Post Posted: Sat Mar 19, 2011 4:52 am 
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How many of you have ever heard of or, used this program?

Info page Prime95

The site is called, [web_site]http://www.playtool.com/pages/home/index.html[/web_site]

Download site -> [web_site]http://www.mersenne.org/freesoft/[/web_site]

This page also provides you with many other items to test your system and linked urls to check out all sorts of problems you may be having with it. It also comes with complete instructions on how to use it.

I haven't used it yet and am looking for some feedback on it. I got it from Joe Boomz's site for Ioncross so, it may be a dependable/trustworthy site/s? It's mainly for on gamers with CPU problems as far as I can tell.

Added Note: Be sure to scan anything you download before opening it. ;)

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 Post subject: Re: Prime95
 Post Posted: Mon Jan 23, 2012 9:03 am 
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Since no one replied,

Prime95 is a distributed computing software used by Great Internet Mersenne Prime Search (GIMPS), a community devoted to finding mersenne prime numbers by combining processing power of contributors' computers. It is automated software and participation is through the running of the software.

A torture test was originally included in Prime95 to test the stability of the CPU in order to ensure the validity of results. As every Lucas-Lehmer calculation is dependent on the previous one, a CPU instability causing a calculation error (known by comparison to known values for each iteration) will affect further calculations. Thus the torture test will stop upon a single calculation error. This was originally meant to make sure the reliability of participating computers, but overclockers have found it useful to check for overclock instabilities. In extreme cases, Prime95 will crash an unstable machine.

Prime95 is most useful if you are planning to overclock your machine, or for benchmarking, such as making sure that your CPU cooling is working efficiently by checking CPU temperatures on 100% loads.


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 Post subject: Re: Prime95
 Post Posted: Mon Jan 23, 2012 6:39 pm 
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[ZX]Deterdettol wrote:
Since no one replied,

Prime95 is a distributed computing software used by Great Internet Mersenne Prime Search (GIMPS), a community devoted to finding mersenne prime numbers by combining processing power of contributors' computers. It is automated software and participation is through the running of the software.

A torture test was originally included in Prime95 to test the stability of the CPU in order to ensure the validity of results. As every Lucas-Lehmer calculation is dependent on the previous one, a CPU instability causing a calculation error (known by comparison to known values for each iteration) will affect further calculations. Thus the torture test will stop upon a single calculation error. This was originally meant to make sure the reliability of participating computers, but overclockers have found it useful to check for overclock instabilities. In extreme cases, Prime95 will crash an unstable machine.

Prime95 is most useful if you are planning to overclock your machine, or for benchmarking, such as making sure that your CPU cooling is working efficiently by checking CPU temperatures on 100% loads.


...eRm, WhUt?............

....dAnG ZoMbiEz bEiNg aLL TeChNiCaL n sTuFf..........

.....HiYaZz DeTeR!i!.......
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 Post subject: Re: Prime95
 Post Posted: Mon Jan 23, 2012 8:10 pm 
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never know wot u can do with a bit of tech and i quote uv6

The principle of generating small amounts of finite improbability by simply hooking the logic circuits of a Bambleweeny 57 Sub- Meson Brain to an atomic vector plotter suspended in a strong Brownian Motion producer (say a nice hot cup of tea) were of course well understood - and such generators were often used to break the ice at parties by making all the molecules in the hostess's undergarments leap simultaneously one foot to the left, in accordance with the Theory of Indeterminacy.

Many respectable physicists said that they weren't going to stand for this - partly because it was a debasement of science, but mostly because they didn't get invited to those sort of parties.

Another thing they couldn't stand was the perpetual failure they encountered in trying to construct a machine which could generate the infinite improbability field needed to flip a spaceship across the mind-paralysing distances between the furthest stars, and in the end they grumpily announced that such a machine was virtually impossible.

Then, one day, a student who had been left to sweep up the lab after a particularly unsuccessful party found himself reasoning this way:

If, he thought to himself, such a machine is a virtual impossibility, then it must logically be a finite improbability. So all I have to do in order to make one is to work out exactly how improbable it is, feed that figure into the finite improbability generator, give it a fresh cup of really hot tea ... and turn it on!

He did this, and was rather startled to discover that he had managed to create the long sought after golden Infinite Improbability generator out of thin air.

It startled him even more when just after he was awarded the Galactic Institute's Prize for Extreme Cleverness he got lynched by a rampaging mob of respectable physicists who had finally realized that the one thing they really couldn't stand was a smartass.

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 Post subject: Re: Prime95
 Post Posted: Mon Jan 23, 2012 8:35 pm 
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 Post subject: Re: Prime95
 Post Posted: Sat Feb 04, 2012 9:31 am 
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Lol

Basically, Prime95 has a torture test function to test for CPU instability, using mathematical calculations which uses a lot of CPU power.

Essentially it does supercomputer-like mathematical calculations on a smaller scale in a home PC, because its part of distributed computing software.

Distributed computing = instead of using one very powerful computer to do calculations, a network is made to spread work amongst many smaller computers. There are many distributed computing programmes around, didn't you hear about 'gamers' solving a medical problem scientists couldn't? http://www.sciencedaily.com/releases/20 ... 144955.htm

So this torture test basically burns in the CPU, running it at 100% loads to make sure the CPU is working correctly. Good for overclockers who want to make sure their overclocks are stable.

CPUs in poor conditions and bad overclocks can easily crash a machine.

There are also other programs out there other than Prime95.


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 Post subject: Re: Prime95
 Post Posted: Sun Feb 05, 2012 3:24 pm 
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WhO cArEz;) uv53
i MiSs RoB uv6

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 Post subject: Re: Prime95
 Post Posted: Sun Feb 05, 2012 3:27 pm 
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Those that still have their brains intact and not those that don't and/or, those running around looking for them... uv39

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 Post subject: Re: Prime95
 Post Posted: Thu Nov 21, 2013 9:33 pm 
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CPUs in poor conditions and bad overclocks can easily crash a machine.

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 Post subject: Re: Prime95
 Post Posted: Sun Dec 15, 2013 5:47 am 
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Yes and I have been reading a lot of complaints from payers around the globe having such problems and many of them ARE from overclocking their video cards. They're just too smart to realize it. o.0

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