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Team Competition AMD GPU Category Performance Optimization Discussion

post #1 of 26
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I'm making a thread for each category in TC that TC Members will contribute optimization tips and tricks too. I will expand the op and reserved posts as data is collected. This thread should be used for asking questions, or contributing optimization tips related to the AMD GPU category only. Off topic posts will be expunged.

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post #2 of 26
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Lanboy
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Lanboy
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Windows 7 Ultimate 64 e-Machine 23" OCN Ducky PC Power & Cooling 750W 
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Antec Lanboy Air Microsoft Wireless Laser Onboard 
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AMD X4 965 BE ASUS M5A78L-M LX PLUS Gigabyte GTS 450 Corsair XMS3 DDR3 1333 @ 1600 
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post #3 of 26
Thread Starter 

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Lanboy
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Samsung DDR3 1600 CAS 7 4x WD Raptor 10k RPM RAID0 Samsung DVDR Antec Kuehler 620 
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Windows 7 Ultimate 64 e-Machine 23" OCN Ducky PC Power & Cooling 750W 
CaseMouseAudio
Antec Lanboy Air Microsoft Wireless Laser Onboard 
CPUMotherboardGraphicsRAM
AMD X4 965 BE ASUS M5A78L-M LX PLUS Gigabyte GTS 450 Corsair XMS3 DDR3 1333 @ 1600 
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Lanboy
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X4 960T Unlocked 6 Core @ 3.8/3.0 Gigabyte 990FXA UD3 Asus GTX 460 EVGA GTX 460  
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Samsung DDR3 1600 CAS 7 4x WD Raptor 10k RPM RAID0 Samsung DVDR Antec Kuehler 620 
OSMonitorKeyboardPower
Windows 7 Ultimate 64 e-Machine 23" OCN Ducky PC Power & Cooling 750W 
CaseMouseAudio
Antec Lanboy Air Microsoft Wireless Laser Onboard 
CPUMotherboardGraphicsRAM
AMD X4 965 BE ASUS M5A78L-M LX PLUS Gigabyte GTS 450 Corsair XMS3 DDR3 1333 @ 1600 
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WD 500GB SATA II Cooler Master Hyper 212+ Windows 7 Ultimate 64 AOC 21" LED Backlit 
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post #4 of 26
wave2.gif I just now notice this.

My captain just recently had to temp me in this category. He was surprised at how it found not his card being unstable, but the system. Yeah... this is a bit of a pita-licious category because of the fact that AMD folding cards uses so much CPU.

And I think I found that overclocking the CPU more increases the PPD just a bit. It's not enough to make a difference for the competition... but it makes a difference within the category itself.
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AMD FX-8350 @ 5ghz ASUS Sabertooth 990FX MSI R7970-2pmd3gd5/oc Patriot Viper Xtreme Div4 2133mhz 
Hard DriveHard DriveOptical DriveCooling
60GB Vertex2 WD Caviar 500AAKS ASUS DVD-RW Koolance 380a 
CoolingOSMonitorPower
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post #5 of 26
Don't run AMD cards on too slow CPUs, can't really say what's fast enough, but tried two P4 (631 and 660) and a Athlon 64 3500+ (single core, 2.2GHz). The Pentiums gave horrible low PPD on my 6970 (8.8k baseline tested with a 1055T@3.7), in the range of 2-4k PPD, the Athlon was slightly better at ~5k PPD.

I'd say you would want at least a dual core (triple or quad to keep the card at ~100% running two instances on one card hence using two cores, works for 69xx and 58xx at least) of say a Core2 or AthlonII/Phenom II.
Edited by arvidab - 7/7/12 at 3:57pm
Tor
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Tor
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Eir
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post #6 of 26
Yeah. 1 experiement I did was setting affinity to just one core for the GPU client. Then later switched to 2 cores. When on 1 core, the CPU was taxed 100% and the PPD dropped considerably. Put it on 2 cores and the were taxed at something like 50-70% and the PPD was NEARLY normal. Still a drop though.
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Hard DriveHard DriveOptical DriveCooling
60GB Vertex2 WD Caviar 500AAKS ASUS DVD-RW Koolance 380a 
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post #7 of 26
Quote:
Originally Posted by arvidab View Post

I'd say you would want at least a dual core (triple or quad to keep the card at ~100% running two instances on one card hence using two cores, works for 69xx and 58xx at least) of say a Core2 or AthlonII/Phenom II.
That's what my Q6700 is doing. I'm slightly annoyed that it takes TWO cpu cores to feed a single GPU (even true on my i7 - two threads anyways), but it is what it is...

Mine uses both cores to their max - and I fold smp on the other two.

Anyone have a solution to that little trick not working after reboots? mine always goes nuts and refuses to fold at all until I reset v7 - i don't think it likes being set to run two on one gpu.
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Wheatley (v 3.0)
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Reginald
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3770k GIGABYTE GA-Z77N-WIFI HIS 4870 IceQ 1GB Patriot Intel Extreme Master, Limited Edition 1... 
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Intel 520 Series Cherryville SSDSC2CW480A3K5 2.... DVD-RW intel stock cooler Win7 Pro 
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ViewSonic VX2370Smh-LED Black 23" 7ms (GTG) IPS... ViewSonic VX2370Smh-LED Black 23" 7ms (GTG) IPS... Das Keyboard Ultimate Silent  SILVERSTONE ST45SF-G 450W SFX12V SLI Ready Cro... 
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post #8 of 26
Ok. On my 1055T @ stock clocks I was netting about 8900 PPD. OC'd to 3.8ghz and now it's netting about 9050 PPD on the same WU.
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60GB Vertex2 WD Caviar 500AAKS ASUS DVD-RW Koolance 380a 
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Main rig
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CPUMotherboardGraphicsRAM
AMD FX-8350 @ 5ghz ASUS Sabertooth 990FX MSI R7970-2pmd3gd5/oc Patriot Viper Xtreme Div4 2133mhz 
Hard DriveHard DriveOptical DriveCooling
60GB Vertex2 WD Caviar 500AAKS ASUS DVD-RW Koolance 380a 
CoolingOSMonitorPower
Koolance VID-AR797 Windows 7 64 bit Samsung 21" Roeswill Green 630W 
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post #9 of 26
Quote:
Originally Posted by Krusher33 View Post

Ok. On my 1055T @ stock clocks I was netting about 8900 PPD. OC'd to 3.8ghz and now it's netting about 9050 PPD on the same WU.

 

On which GPU, the HD 6950?  I'm temping in this category right now, so I'm just trying to figure out how my GPU is doing.  I think at 800mhz core on my 6950 I was getting around 8k ppd, I have it up to 900mhz right now, and am getting 9k PPD.  I will try OC'ing my i7 a bit, as it is running stock right now.

post #10 of 26
Quote:
Originally Posted by anubis1127 View Post

On which GPU, the HD 6950?  I'm temping in this category right now, so I'm just trying to figure out how my GPU is doing.  I think at 800mhz core on my 6950 I was getting around 8k ppd, I have it up to 900mhz right now, and am getting 9k PPD.  I will try OC'ing my i7 a bit, as it is running stock right now.

It's unlocked to 6970 right now. It's at 920mhz for now till I get the WC going.
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AMD FX-8350 @ 5ghz ASUS Sabertooth 990FX MSI R7970-2pmd3gd5/oc Patriot Viper Xtreme Div4 2133mhz 
Hard DriveHard DriveOptical DriveCooling
60GB Vertex2 WD Caviar 500AAKS ASUS DVD-RW Koolance 380a 
CoolingOSMonitorPower
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CaseMouseMouse PadAudio
Home made bench Razer Taipan Razer Soundblaster X-Fi Xtreme Gamer 
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Main rig
(17 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX-8350 @ 5ghz ASUS Sabertooth 990FX MSI R7970-2pmd3gd5/oc Patriot Viper Xtreme Div4 2133mhz 
Hard DriveHard DriveOptical DriveCooling
60GB Vertex2 WD Caviar 500AAKS ASUS DVD-RW Koolance 380a 
CoolingOSMonitorPower
Koolance VID-AR797 Windows 7 64 bit Samsung 21" Roeswill Green 630W 
CaseMouseMouse PadAudio
Home made bench Razer Taipan Razer Soundblaster X-Fi Xtreme Gamer 
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