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Old 2005-08-27, 09:56   #1
drakkar67
 
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I have 1 G3 (9.2), 2 G4's and 1 G5 machine (both using OS X). Which prime projects can I use them for?
PS: They are very inefficient for GIMPS. I'm searching for other projects.
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Old 2005-08-27, 18:10   #2
dsouza123
 
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NFSNET it supports MacOSX and has a sub forum here
at mersenneforum and a website with good stats and info.
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Old 2005-08-27, 18:15   #3
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NFSNET factors via SNFS various chosen numbers to their large prime factors.
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Old 2005-08-27, 18:50   #4
ewmayer
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Just out of curiosity, how relatively effective is the NFSNET client for Mac? Is NFS able to take good advantage of the PowerPC AtliVec SIMD unit? (GIMPS work can't.)
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Old 2005-08-27, 19:01   #5
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I have access to a G5 that I can put on NFSNet. Is there a starters guide. I am not very familiar with installing software on MAC's . please help.

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Old 2005-08-28, 23:13   #6
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There is also the PIES project, which is the best use of G5s (IMHO) since the FFT on the PPC kicks butt compared to the same FFT on x86. I've used my G5s to find a dozen 100000+ digit primes. It can also run on G3s and G4s.
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Old 2005-08-29, 09:56   #7
xilman
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Quote:
Originally Posted by ewmayer
Just out of curiosity, how relatively effective is the NFSNET client for Mac? Is NFS able to take good advantage of the PowerPC AtliVec SIMD unit? (GIMPS work can't.)
I don't know the answer for certain, not having built the software on a Mac, but I would be very surprised if it does.

The code is almost entirely straight C. Last time I looked, there was no assembly for the PPC and so, unless the compiler that Richard uses knows how to take advantage of it ...


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