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Author Topic: further improved phatk_dia kernel for Phoenix + SDK 2.6 - 2012-01-13  (Read 48476 times)
streetuff
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July 17, 2011, 06:33:24 PM
 #141

just wanted to report....

HD5770 from 220 -> 222MH/s
HD5850 from 355 -> 359MH/s

with 2011-07-17
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ZeroShift
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July 17, 2011, 07:56:02 PM
 #142

Radeon 5770 @ 935/300: 200 MH/s to 213 MH/s!

Coins are on the way  Grin

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Reuef
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July 17, 2011, 08:18:24 PM
 #143

5830 went from 313mh/s to 316 mh/s.  1000/400

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streetuff
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July 17, 2011, 08:29:39 PM
 #144

my 5770 is at 975/300
simonk83
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July 17, 2011, 08:40:44 PM
 #145

No change for me with the latest version.   Can't complain though Smiley
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July 18, 2011, 03:00:12 AM
 #146

Got about 0.75 more on my 5830's. Not sure about my 5870 but its likely on the magnitude of 1-1.5. Keep up the hard work!

edit: 5870 had about 0.5-0.75 improvement

anatolikostis
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July 18, 2011, 06:59:09 AM
 #147

5770@900core/200mem 512Mb

got decrease from 200MH/s to 198MH/s (working size 128/256/64 - no changes just more decrease), have rolled back to 11-07-2011 mode...

may be this because of 512Mb mem or 200MHz freq?
Diapolo
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July 18, 2011, 08:46:21 AM
 #148

5770@900core/200mem 512Mb

got decrease from 200MH/s to 198MH/s (working size 128/256/64 - no changes just more decrease), have rolled back to 11-07-2011 mode...

may be this because of 512Mb mem or 200MHz freq?


What happens if you raise your mem clocks a little? Could be, that some optimisations are bad for older or weaker cards, because newest version uses more GPU registers, than the previous ones. Well if that's the case it's a trial and error, which version works best Wink.

Dia

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cyrusfox
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July 18, 2011, 09:31:02 AM
 #149

Not working for me. phoenix 1.48, ubuntu 11.04 64bits.

[01/07/2011 14:45:48] Finding inner ELF...
[01/07/2011 14:45:48] Patching inner ELF...
[01/07/2011 14:45:48] Patching instructions...
[01/07/2011 14:45:48] BFI-patched 472 instructions...
[01/07/2011 14:45:48] Patch complete, returning to kernel...
[01/07/2011 14:45:48] Applied BFI_INT patch
[01/07/2011 14:45:48] FATAL kernel error: Failed to load OpenCL kernel!


Not working for me. phoenix 1.5, Linuxcoin.

Yes I copied both files kernel.cl and __init__.py into kernels/phatk/

I get this when I try to start Phoenix(it will work fine with the original kernel files, 6850@930/830=250Mh/s, 6950@850/735= 340 Mh/s)

Quote
user@linuxcoin:/opt/miners/phoenix$ ./phoenix.py -u http://user:pass@bitcoinpool.com:8334/ -k phatk DEVICE=0 VECTORS AGGRESSION=7 -v FASTLOOP BFI_INT
[18/07/2011 09:27:56] Finding inner ELF...
[18/07/2011 09:27:56] Patching inner ELF...
[18/07/2011 09:27:56] Patching instructions...
[18/07/2011 09:27:56] BFI-patched 472 instructions...
[18/07/2011 09:27:56] Patch complete, returning to kernel...
[18/07/2011 09:27:56] Applied BFI_INT patch
[18/07/2011 09:27:56] FATAL kernel error: Failed to load OpenCL kernel!

Can anyone tell me what I am doing wrong? Thanks
1984
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July 18, 2011, 09:40:32 AM
 #150

cyrusfox have you tried using the PLATFORM= option?
damon1492
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July 18, 2011, 10:54:35 PM
 #151

Not faster for me still same hashes,
maybe just .2%extra but nothing big


doing about 24.3Ghash/s so not a big difference
navigator
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July 19, 2011, 03:45:37 AM
 #152

DELETED for privacy
Diapolo
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July 19, 2011, 05:34:54 AM
 #153

I get the "Kernel error: Unusual behavior from OpenCL. Hardware problem?" with the 7-17 version

It's only giving the error on my Sapphire 100297L. I've seen it come up twice within a few minutes up to once per hour. I also have a 100297-2L in the same box and it doesn't produce the error. I reverted back to 7-11 version and so far the error hasn't come up. Both cards are currently running at 1000/350 stock voltage 62c max. Even if I overclock to something unstable I have never gotten this error. I am currently watching the 7-11 version. If the error pops up even once I will report back.


In the other thread it seem that the error occured because of a faulty card or a too aggressive overclocking. It seems the new kernel pushes the cards a bit harder. If the error only occurs once every hour it should not be a big problem in terms of generated shares. What OS, SDK and driver are you on?

Dia

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July 19, 2011, 07:20:25 AM
 #154

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ovidiusoft
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July 20, 2011, 07:40:29 PM
 #155

I also rolled back to 07-11, 07-17 was giving me "Kernel error: Unusual behavior from OpenCL. Hardware problem?" just like @navigator had. Board is Sapphire 5830 Xtreme, GPU @1040, RAM @350, 334 MH/s with 07-11. 07-07 was also stable and getting 331 MH/s.
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July 23, 2011, 09:40:20 AM
 #156

Reposted 2011-07-17 version because of a small mistake in variable naming. T1substate0 was wrong, it has to be state0subT1.
No further changes, that will do anything for those, who grabbed the version before this posting!

Currently no news for you guys, perhaps I can do a special version for 69XX cards (which could be 1 - 2 ALU OPs faster, but slower for 58XX), when there is demand. But for 58XX cards I'm out of optimisation ideas Wink.

Dia

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Diapolo
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July 23, 2011, 10:09:21 PM
 #157

To all 69XX card owners, that want 1 ALU OP less, down to 1697 Smiley. Just edit the kernel.cl file and replace Line 385 (DL the latest 2011-07-17 version):

Vals[7] += Vals[3] + P4(124) + P3(124) + P2(124) + P1(124) + s1(124) + ch(124);

with

Vals[7] = Vals[7] + Vals[3] + P4(124) + P3(124) + P2(124) + P1(124) + s1(124) + ch(124);

Please report if it works Smiley. Remember, this WILL be slower for 58XX owners, so don't try this, if you are on 58XX cards or even (s)lower!

Dia

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bcheck555
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July 26, 2011, 03:13:49 AM
 #158

To all 69XX card owners, that want 1 ALU OP less, down to 1697 Smiley. Just edit the kernel.cl file and replace Line 385 (DL the latest 2011-07-17 version):

Vals[7] += Vals[3] + P4(124) + P3(124) + P2(124) + P1(124) + s1(124) + ch(124);

with

Vals[7] = Vals[7] + Vals[3] + P4(124) + P3(124) + P2(124) + P1(124) + s1(124) + ch(124);

Please report if it works Smiley. Remember, this WILL be slower for 58XX owners, so don't try this, if you are on 58XX cards or even (s)lower!

Dia

twin frozr III 6950: 950Mhz, 825Mhz, 1.15v

7-17 kernel
388.55Mhash/s VECTORS BFI_INT FASTLOOP=false WORKSIZE=128 AGGRESSION=13

7-17 kernel modded with above
390.04Mhash/s VECTORS BFI_INT FASTLOOP=false WORKSIZE=64 AGGRESSION=13


edit for clarification...
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July 26, 2011, 11:56:49 AM
 #159

Excellent thanks! Extra 4%!

If my post helped, I'll happily accept a few bitmills!   15rGg6A1JFZV3b7TTbtpAaiYGdUD1e1oAm
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July 27, 2011, 01:56:24 PM
 #160

super cool! on my 5850 - increased from 360Mh/s to 385Mh/s - thanks!!!

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