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Prime95 Question...

post #1 of 8
Thread Starter 
How do I run Prime95 so that I can stress all four cores of my system, seeing as I have two dual core CPUs...? I opened up Prime95 and it only lets me run two threads, and I tried to open another instance of Prime95 and it wouldn't let me. I have version 25.5 (Vista x64)... do I need an older version to be able to tax all four cores?
    
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post #2 of 8
Why bother trying to get more instanced of Prime95 to run.... Just run orthos along side it. It's basically the same thing.
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post #3 of 8
Version 25.5 should allow you to run multiple threads in the same instance (just by clicking torture test). However, 25.9 is the newst 64-bit version and may be more suitable for your setup.
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post #4 of 8
Thread Starter 
I just tried 25.9 and its not much different with regards to 2x dual core setup... I may just try the P95+Orthos method...
    
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post #5 of 8
I am guessing, but could you run 2 instances and assign affinity?
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post #6 of 8
Thread Starter 
As soon as I try to open a second instance it says it had to close the program (the second one)... that's what I used to do with one of the older versions when I had a dual xeon setup with hyper-threading (acted as four cores), just run four instances of P95 and tax all four virtual cores. They changed something that no longer allows this, it appears.
    
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post #7 of 8
Read the readme.txt and stress.txt files tha coem wirth the program. They explain how to assign affinity and run multiple instances.
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Plextor M6e 128GB (fw 1.05) M.2 (PCI-E 2.0 2x) 2x Crucial M4 256GB 4x WD Scorpio Black 500GB Cooler Master Nepton 280L 
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Windows 7 Professional x64 SP1 BenQ BL3200PT Filco Majestouch Tenkeyless (MX Brown) Corsair RM1000x 
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Noctua NH-D14 Windows 7 Pro x64 SP1 Antec TP-750 Fractal Design R5 
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ASUS Xonar DS 
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i7-6800K @ 4.3/3.5GHz core/uncore, 1.36/1.2v ASRock X99 OC Formula (P3.10) GTX 780 (temporary) 4x4GiB Crucial DDR4-2400 @ 11-13-12-28-T2, 1.33v 
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post #8 of 8
Thread Starter 
lol, what, read the directions??!! Weirdo...

Ok, lemme try that route...
    
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Phenom II 940 Foxconn Destroyer SLI EVGA GTX 295's (x2) 4x 2gb Geil EVO ONE DDR2-800 
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2x WD6400AAKS RAID-0 Vista Home Premium x64 25.5" LG W2600H-PF Enermax Revolution+85 1050W 
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