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Author Topic: further improved phatk_dia kernel for Phoenix + SDK 2.6 - 2012-01-13  (Read 48431 times)
Diapolo
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August 13, 2011, 02:32:26 PM
 #221

As an addition to my post above, I have tried to test the new kernel in Windows as well, using guiminer/phoenix. When replacing the default kernel.cl and __init__.py with the ones from kernel 8/11/11 followed by creating a new miner I get the following:

Code:
2011-08-12 07:44:40: Running command: C:\guiminer-20110701\guiminer\phoenix.exe -u http://user:pass@pool:8332 PLATFORM=0 DEVICE=0 -k phatk BFI_INT  VECTORS2  FASTLOOP=false WORKLOAD=128 AGGRESSION=11
2011-08-12 07:44:40: Listener for "testdiapolo" started
2011-08-12 07:44:41: Listener for "testdiapolo": [12/08/2011 07:44:41] FATAL kernel error: Failed to load OpenCL kernel!

As a further test I put back the original kernel.cl and __init__.py, and the test miner works fine with them.

What is WORKLOAD=128? This should be WORKSIZE=128!

Dia

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Diapolo
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August 13, 2011, 02:33:10 PM
 #222

Is it also possible to update the latest OpenCL driver, for example ATI SDK, before the program starts ?

Why dont you add such feauture before improving speeds ?

No that's not possible ... you have to make sure you use current drivers.

Dia

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August 13, 2011, 03:57:43 PM
 #223

so I currently have 1.50 phoenix ,but I am curious if the current 1.61 will work better with your increases?
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August 13, 2011, 05:53:34 PM
 #224

Speed decrease by 2-3.5 Mh/s on my 6950 but .5-.8 increase for my 5770.Stale/Invalid rate seems to be higher over @BTCGuild as well.....but not Deepbit.Got mixed results on this one.

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Diapolo
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August 14, 2011, 07:53:15 PM
 #225

Speed decrease by 2-3.5 Mh/s on my 6950 but .5-.8 increase for my 5770.Stale/Invalid rate seems to be higher over @BTCGuild as well.....but not Deepbit.Got mixed results on this one.

That decrease for 6950 is weird and it should NOT be like this ... whats your Phoenix comand line, driver and SDK version?

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August 14, 2011, 08:32:44 PM
 #226

^^ Catalyst driver 11.6B/SDK 2.5  -V 4 -w64 -F3 using GUI miner

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August 15, 2011, 12:24:22 AM
 #227

^^ Catalyst driver 11.6B/SDK 2.5  -V 4 -w64 -F3 using GUI miner

Use the default posted on page one for that 5770 and you should see almost a 10% gain.
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August 15, 2011, 01:35:40 AM
 #228

I've tested your patch, and there are some great improvements from the original phoenix 1.50 miner indeed.
My 6950 gets improvement.
My 5870 gets improvement.
My 5850 gets improvement.

But I have noticed a regression with my 6870 (1005mhz core / 200 mhz mem)

Configuration:
-Using window 7
-Using Catalyst 11.6
-Using the aoclbf 1.74 frontend for phoenix 1.50
phatk
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BFI_INT
Aggression 13
Work size 128

2011-07-03 kernel: 317 mhash/s (all 3 number are peak value)
2011-07-06 kernel: 283
2011-07-07 kernel: 283

...Needless to say, something bad happened between 07-03 and 07-06. I hope we can get to the bottom of this. If you need me to test something, I will be happy to do what I can for you.

-DiamondPlus
Diapolo
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August 15, 2011, 05:29:49 AM
 #229

I've tested your patch, and there are some great improvements from the original phoenix 1.50 miner indeed.
My 6950 gets improvement.
My 5870 gets improvement.
My 5850 gets improvement.

But I have noticed a regression with my 6870 (1005mhz core / 200 mhz mem)

Configuration:
-Using window 7
-Using Catalyst 11.6
-Using the aoclbf 1.74 frontend for phoenix 1.50
phatk
Vector
BFI_INT
Aggression 13
Work size 128

2011-07-03 kernel: 317 mhash/s (all 3 number are peak value)
2011-07-06 kernel: 283
2011-07-07 kernel: 283

...Needless to say, something bad happened between 07-03 and 07-06. I hope we can get to the bottom of this. If you need me to test something, I will be happy to do what I can for you.

The latest version need the argument VECTORS2 in order to use 2-component Vectors + try to raise your mem clock. There was a version, who needed a little more MHz for the memory to be efficient. Please report back!

Dia

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Diapolo
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August 15, 2011, 05:31:44 AM
 #230

^^ Catalyst driver 11.6B/SDK 2.5  -V 4 -w64 -F3 using GUI miner

I'm pretty sure 4-component Vectors are not helpful for 69XX, please try -V 2 or VECTORS2.

Dia

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Diapolo
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August 15, 2011, 08:25:01 AM
 #231

I leave! I will give the BTC Cry
increase of difficulty has made for me unprofitable to continue Embarrassed
It is ready to give the last 21.02 BTC to the one who will send me 0.1 BTC (I will send on the same address)
1vsnfxtUY6cn8TU7LdHXi89r7pRnNDLsc

You got my application Wink ...

Dia

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Beta-coiner1
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August 15, 2011, 06:01:09 PM
 #232

I leave! I will give the BTC Cry
increase of difficulty has made for me unprofitable to continue Embarrassed
It is ready to give the last 21.02 BTC to the one who will send me 0.1 BTC (I will send on the same address)
1vsnfxtUY6cn8TU7LdHXi89r7pRnNDLsc
Just send it to me or the hardware if you don't require it anymore.

You got my application Wink ...

Dia
Lol,That new member is a scammer if you look at the 4 posts all say the same.Hopefully,no one actually sent him the .1.

BTW,I did do V2 but my 6950 doesn't seem to like that as the results are still a bit lower than Phateus' variant.I get 352-356.6 with your latest variant but with Phateus I get 353.2-358.4 at the same clocks 867/1250 clock.

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norulezapply
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August 15, 2011, 06:38:39 PM
 #233

hey whenever I try copying the latest version into my kernels/phatk folder with phoenix 1.50 (also tested with 1.6.1) I get the following:

H:\Apps\Bitcoin\Phoenix>phoenix.exe -u http://user:password@192.168.1.77
:8337/ -k phatk VECTORS2 BFI_INT AGGRESSION=7 DEVICE=0

[15/08/2011 19:36:51] FATAL kernel error: Failed to load OpenCL kernel!

It works fine with the non-modified kernels...
Any ideas? =[

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skadoosh00
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August 15, 2011, 07:20:24 PM
 #234

Hmm... seem to be getting 4-5mh/s less for the latest release. This is on my stock 6950 with nothing unlocked using

Code:
-k phatk BFI_INT FASTLOOP DEVICE=0 VECTORS2 WORKSIZE=128 AGGRESSION=8

Also tried VECTORS VECTORS2 with no difference. I reverted back to the July kernel release for now.

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Diapolo
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August 15, 2011, 08:11:02 PM
 #235

Hmm... seem to be getting 4-5mh/s less for the latest release. This is on my stock 6950 with nothing unlocked using

Code:
-k phatk BFI_INT FASTLOOP DEVICE=0 VECTORS2 WORKSIZE=128 AGGRESSION=8

Also tried VECTORS VECTORS2 with no difference. I reverted back to the July kernel release for now.

Try FASTLOOP=false and perhaps a higher agression or WORKSIZE=256 ... SDK 2.5?

Dia

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nerv
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August 15, 2011, 11:06:08 PM
 #236

I tried it, and in my case, with a HD5870 at 990Mhz and 300MHz memory using the latest version of the kernel and Catalyst 11.5 + AMD Stream SDK 2.1 gives me 450MH / s.
With the flags-v-w 256-f0.
A good improvement.
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August 17, 2011, 04:16:18 PM
 #237

6950's using the new phoenix + phatk2  (clocked 880 gpu / 300 mem)

old: 360Mh/s
now: 364Mh/s

(consistent across all GPUs)

I messed a lot with flags... this is what gave me the highest numbers:

Code:
-k phatk2 VECTORS2 AGGRESSION=13 WORKSIZE=64 FASTLOOP=false

Not sure why, but worksize=64 is what gave me the biggest gain.  Tried all aggression between 10 and 16 as well.  13 yielded the highest.


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Diapolo
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August 17, 2011, 05:08:02 PM
 #238

6950's using the new phoenix + phatk2  (clocked 880 gpu / 300 mem)

old: 360Mh/s
now: 364Mh/s

(consistent across all GPUs)

I messed a lot with flags... this is what gave me the highest numbers:

Code:
-k phatk2 VECTORS2 AGGRESSION=13 WORKSIZE=64 FASTLOOP=false

Not sure why, but worksize=64 is what gave me the biggest gain.  Tried all aggression between 10 and 16 as well.  13 yielded the highest.



phatk2 has no VECTORS2 in Phoenix Wink ... you were not using my kernel either. Wrong forum?

Dia

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cubemonkey
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August 17, 2011, 07:03:04 PM
 #239


Quote

phatk2 has no VECTORS2 in Phoenix Wink ... you were not using my kernel either. Wrong forum?

Dia

I'm so confused Tongue   For some reason I thought you = phatk (and by extension phatk2). So your kernel is a modified version of the original phatk?   Where do I find your kernel?   And any flags you would recommend for a 6950?   I'll report back with results Smiley

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August 17, 2011, 07:43:22 PM
 #240

Where do I find your kernel?

First post of this thread.

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