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Author Topic: 3% faster mining with phoenix+phatk for everyone  (Read 35291 times)
klaaster
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July 05, 2011, 12:57:34 PM
 #161

I'm getting 327 with this on a Sapphire Xtreme 5830.

Ubuntu11.04_64, 1030/300/1.2V/66°C

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carbonc
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July 14, 2011, 03:47:31 PM
 #162

I'm getting a stable/cool stock voltage setting 323 MH/s
Win 7 64-bit
975/300/stock volt/69°C

Check this post on how:
http://forum.bitcoin.org/index.php?topic=28825.msg362947#msg362947
XIU
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July 14, 2011, 03:50:04 PM
 #163

Thanks for the patch, got a few extra MH/s Cheesy

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July 26, 2011, 07:31:31 AM
 #164

Hi guys.
On my 6950 this patch DECREASES performance about ~10MH/s. So if you have 69xx be careful and check your performance.

If you like my I2P-patch for bitcoin-qt/bitcoind, please, donate my project! 1JTtvgy5CzwnsRj3vtHACdyKWxgTnYn754
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July 26, 2011, 11:52:35 AM
 #165

Perfect, thanks!

If my post helped, I'll happily accept a few bitmills!   15rGg6A1JFZV3b7TTbtpAaiYGdUD1e1oAm
film2240
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August 07, 2011, 05:11:24 PM
 #166

This is gr8.

I got a boost as well whilst saving energy on my Pc by 11Watts as well from GPU side of things

My card Radeon Hd6950 is clocked 895MHz and 947MHz (due to stability issues the clocks are here for mem)
This has been boosted from ~394 to ~398MHash/s on the card.

This is what happens when we improve on programming code (you save system resources,use less energy and increase performance as well.Every1 wins :-))




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film2240
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August 07, 2011, 05:14:31 PM
 #167

Hi guys.
On my 6950 this patch DECREASES performance about ~10MH/s. So if you have 69xx be careful and check your performance.

I used to have this issue,it turns out you need to apply this change to the kernel.cl file in phatk,poclbm folders (both which u find in kernels folder) and apply this chaneg to this file BitcoinMiner.cl in the GUIminer root folder as well,then you'll be boosted as well.

Hope this helps :-)

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DiamondPlus
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August 16, 2011, 02:35:56 PM
 #168

Just tossing my confirmations out there:

Sapphire 5830s:

Pair 1:  264 Mhash/sec -> 271 Mhash/sec (each) at 875 MHz GPU, 900 MHz RAM (2.58% increase)
Pair 2:  273 Mhash/sec -> 281 Mhash/sec (each) at 900 MHz GPU, 600 MHz RAM (2.84% increase)

I'm also tracking Rejected shares.

Before Patch:
Pair 1:  ~2.6% rejects (after 800+ shares)
Pair 2:  ~3.2% rejects (after 800+ shares)

After Patch:
Pair 1:  ~3.0% rejects (after 650+ shares)
Pair 2:  ~4.0% (after 750+ shares)

So, the increase appears to also cause additional rejects that should be discounted from total increase gain, cutting it down a full 1% in my case.

-DiamondPlus
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