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post #21 of 103
10/28/12 at 10:34am
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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
10/28/12 at 10:40am
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if you look at the work the ones named md5 are long and the ones ntlm are the normal ones.
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post #23 of 103
10/28/12 at 11:52am
  • GingerJohn
  • The trick to flying is to fall and miss the ground
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
10/28/12 at 12:05pm
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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
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post #25 of 103
10/28/12 at 4:21pm
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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
10/28/12 at 4:21pm
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My card is at 1100 core
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post #27 of 103
10/28/12 at 7:14pm
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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.
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post #28 of 103
10/28/12 at 8:00pm
  • GingerJohn
  • The trick to flying is to fall and miss the ground
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
10/28/12 at 8:17pm
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Exactly what GingerJohn said. 15% is no where close to an accurate correction factor.
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post #30 of 103
10/29/12 at 9:07am
  • GingerJohn
  • The trick to flying is to fall and miss the ground
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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