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dirt help for those with 7xxx - Page 3

post #21 of 103
considering how much we get for work units and that we still get one of the highest credit per work units so i don't mind. . . they'll sort it out in the end smile.gif
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post #22 of 103
Thread Starter 
if you look at the work the ones named md5 are long and the ones ntlm are the normal ones.
post #23 of 103
Yep, mine are now all md5 WUs

I wonder if there will be a points adjustment for them
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post #24 of 103
Thread Starter 
Quote:
Originally Posted by GingerJohn View Post

Yep, mine are now all md5 WUs
I wonder if there will be a points adjustment for them

not yet but maybe they will someone posted that the 7950 is working better then the 7970 on md5.
Quote:
7950:
16978010 ntlm_mixalpha-numeric#1-9_48_755000x500000 - 225210500000 =600s
17007738 md5_mixalpha-numeric#1-9_16_755000x500000 - 5630000000 =770s

7970:
16975727 ntlm_mixalpha-numeric#1-9_48_755000x500000 - 224235000000 =535
17052585 md5_mixalpha-numeric#1-9_16_755000x500000 - 24242500000 =962s
post #25 of 103
My WU times are nowhere near as low as the quoted 7950 time. Most of my MD5 tasks take ~1000-1100 seconds.
     
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post #26 of 103
My card is at 1100 core
     
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post #27 of 103
Thread Starter 
quel on dirt forums posted this looks like credits will be fixed on dirt.
Quote:
Switching from NTLM to MD5 is expected to slow down some. NTLM is the 3 round md4 hash function and md5 is 4 rounds.

I just checked the credits defined for the latest 2 tables and they are the same *doh*. What is supposed to happen is ntlm is the baseline 1.00 credit multiplication factor and for other algorithms we scale the credits according to computation effort. I'll have to discuss this with PowerBlade and see the best course of action to correct credits.

13.5% to 15% slow down falls within the expected computational change.
post #28 of 103
Quote:
Originally Posted by Bal3Wolf View Post

quel on dirt forums posted this looks like credits will be fixed on dirt.

{snip}

I saw that, however I am seeing a lot more than 13.5% to 15% slow down, more like 60% to 70%.
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post #29 of 103
Exactly what GingerJohn said. 15% is no where close to an accurate correction factor.
     
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post #30 of 103
Quote:
Originally Posted by Biorganic View Post

Exactly what GingerJohn said. 15% is no where close to an accurate correction factor.
Quote:
Originally Posted by DiRT Forum 
Such scaling assumes expected values and the 80% on some ATI OpenCL needs to be addressed in the code but there is no good or fair way to address credits in that situation.

So it looks like 15% slowdown is expected, the higher values we are seeing on AMD cards (anywhere from 60% to 80%) is to do with the code. I hope they manage to optimise it again, DiRT was one of the few projects which was fairly even between OpenCL and CUDA.
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i5 2550k P8P67 Pro Sapphire HD 7950 G.Skill RipJaws X 1600 Cas 9 
Hard DriveHard DriveHard DriveCooling
Corsair Force 120 WD Blue 500GB WD Caviar Green 1TB XSPC RayStorm 
CoolingCoolingCoolingCooling
RX240 MCR 220 EK 7950 Copper Acetal  DDC-1T 
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MouseAudioAudio
G500 Klipsch ProMedia 2.1 Asus Xonar DX 
CPUMotherboardGraphicsRAM
i7 860 Asus P7P55D - Pro Asus EAH 5850 4GB G.Skill Ripjaw 1600 Cas9 
Hard DriveCoolingCoolingCooling
WD Caviar Blue EK Supreme HF Full Copper Swiftech MCR120 XSPC RX120 
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