aaa801 (OP)
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March 01, 2012, 09:59:35 PM Last edit: March 01, 2012, 10:18:45 PM by aaa801 |
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Just got my 5850, tryed it with cgminer and it only came up with 150mhashs instead of what should be ~350 any help ok managed to get it upto 305 mhashs using "cgminer -v 2 -w 256 -g 4 -k phatk -I 8 --gpu-memclock 300 --temp-target 65 --auto-fan" and using this bin file http://dl.dropbox.com/u/16956724/phatk120223Cypressv2w256l4.bin
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LTC: LUUikznZrvDb65ZCNQUNCiTaCB4CWGYRSZ BTC: 1325TrScK8jkiPuMEMxNf1VXHHfnR1QtgN
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Each block is stacked on top of the previous one. Adding another block to the top makes all lower blocks more difficult to remove: there is more "weight" above each block. A transaction in a block 6 blocks deep (6 confirmations) will be very difficult to remove.
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ssateneth
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March 02, 2012, 02:30:22 AM |
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Hash speed seems to scale linearly per shader per MHz with proper memory speeds/settings/sdk/etc. With 735 core and 1440 VLIW5 shaders, you should get about 307 MHash, so you're pretty much close to the mark. I can suggest to run 205 MHz memory and 128 worksize (About 0.15% mhash loss, but the lower temperatures makes up for increased core speed headroom. I got about 4 watts less per 5830 going from 330 memory to 205 memory, about 1c less in temperature and allowing a small bump in core) and cranking up the core speed. If you're wondering about where I got the memory speed from, I was bored one day and did an exhausting test of many memory mhz vz worksize. you can see it here https://docs.google.com/spreadsheet/ccc?key=0AjXdY6gpvmJ4dEo4OXhwdTlyeS1Vc1hDWV94akJHZFE&hl=en_US#gid=0 or in this picture of a graph.
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aaa801 (OP)
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March 02, 2012, 02:40:10 AM |
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hi, i managed to get it over 350mhashs with seting core to 900 and memory to 300 and using diablo with these settings -v 2 -w 128
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LTC: LUUikznZrvDb65ZCNQUNCiTaCB4CWGYRSZ BTC: 1325TrScK8jkiPuMEMxNf1VXHHfnR1QtgN
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ssateneth
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March 02, 2012, 02:41:39 PM |
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300 is too fast for worksize 128 (much slower). Close trixx and reopen it and you should be able to select lower memory speeds. You should get like a 10 mhash increase at the least going from 300 to 205 with 128 worksize.
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neo_rage
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March 02, 2012, 08:17:23 PM |
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only poclbm tried, -v -w 256 recommend.
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aaa801 (OP)
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March 02, 2012, 11:01:53 PM |
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300 is too fast for worksize 128 (much slower). Close trixx and reopen it and you should be able to select lower memory speeds. You should get like a 10 mhash increase at the least going from 300 to 205 with 128 worksize.
i couldnt get the card to clock below 280, it just becomes unstable and bsod's after a few hours
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Cobra
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March 03, 2012, 03:11:56 AM |
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I have an Asus DirectCU 1GB 5850 running phoenix in BAMT on phatk2 kernel and getting a stable 390 MH/s at 940 overclock and 300 memory. AGGRESSION=12 BFI_INT VECTORS FASTLOOP=FALSE WORKSIZE=256 open frame rig 60c temp.
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aaa801 (OP)
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March 03, 2012, 03:28:07 AM |
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I have an Asus DirectCU 1GB 5850 running phoenix in BAMT on phatk2 kernel and getting a stable 390 MH/s at 940 overclock and 300 memory. AGGRESSION=12 BFI_INT VECTORS FASTLOOP=FALSE WORKSIZE=256 open frame rig 60c temp.
could i get that kernel file please [03/03/2012 03:37:13] Welcome to Phoenix v2.0.0-rc2 [03:37:13] Failed to load plugin "opencl" [03:37:13] Failed to load plugin "phatk2" [03:37:13] Connected to server [03:37:13] Server gave new work; passing to WorkQueue [03:37:13] New block (WorkQueue) [03:37:18] Disconnected from server
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LTC: LUUikznZrvDb65ZCNQUNCiTaCB4CWGYRSZ BTC: 1325TrScK8jkiPuMEMxNf1VXHHfnR1QtgN
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Cobra
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March 03, 2012, 05:47:28 AM |
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I have an Asus DirectCU 1GB 5850 running phoenix in BAMT on phatk2 kernel and getting a stable 390 MH/s at 940 overclock and 300 memory. AGGRESSION=12 BFI_INT VECTORS FASTLOOP=FALSE WORKSIZE=256 open frame rig 60c temp.
could i get that kernel file please [03/03/2012 03:37:13] Welcome to Phoenix v2.0.0-rc2 [03:37:13] Failed to load plugin "opencl" [03:37:13] Failed to load plugin "phatk2" [03:37:13] Connected to server [03:37:13] Server gave new work; passing to WorkQueue [03:37:13] New block (WorkQueue) [03:37:18] Disconnected from server
The kernels are included in the Phoenix 2.0 install, you will see them in the kernels folder. You have them but I am not sure why they are not loading for you.
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