I got yesterday a MSI 6950 rev.1 I was difficult to find a unlockable 6950 but still there are some models out there.
So as it was going to be my main miner for some time (still have a 5770 but I can have both on my computer due to the PSU) I made a real table of doom with every vector option and most of the worksizes for the best -vs most of the measures are no more than 5 minutes enough to see the possible outcome with more fine tunning.
I remeasured the best during the whole process, stock -> unlock shaders -> be aggresive -> OC
Catallist 11.5 SDK 2.4 Windows 7 Ultimate 5Gb DDR2-800
V | W | Config 1 | Config 2 | Config 3 | Config 4 |
1 | 64 | 290 |
1 | 128 | 290 |
1 | 192 | 291 |
1 | 256 | 287 |
|
2 | 64 | 308 | 338 | | 370 |
2 | 128 | 305 | 337 | | 364 |
2 | 192 | 308 | 307 | | 340 |
2 | 256 | 265 | 282 | |
|
3 | 64 | 263 |
3 | 128 | 256 | 307 |
3 | 192 | 305 | 339 | 347 | 373 |
3 | 256 | 264 |
|
4 | 64 | 285 |
4 | 128 | 242 |
4 | 192 | 187 |
4 | 256 | 241 |
|
5 | 64 | 236 |
5 | 128 | 240 |
5 | 192 | 178 |
5 | 256 | 240 |
|
6 | 64 | 242 |
6 | 128 | 238 |
6 | 192 | 176 |
6 | 256 | 242 |
|
17 | 64 | 291 |
17 | 128 | 291 |
17 | 192 | 291 |
17 | 256 | 270 |
|
18 | 64 | 303 | 330 | | 355 |
18 | 128 | 274 |
18 | 192 | 274 |
18 | 256 | 232 |
|
19 | 64 | 278 |
19 | 128 | | | | 259 |
19 | 192 | | | | 195 |
|
20 | 64 | 115 |
|
21 | 64 | 177 |
|
22 | 64 | doesn't work |
|
23 | 64 | doesn't work |
|
33 | 64 | 287 |
|
34 | 64 | 303 | 330 | | 357 |
34 | 128 | 360 |
34 | 192 | 363 |
34 | 256 | 249 |
|
35 | 64 | 278 |
|
36 | 64 | 262 |
|
37 | 64 | 290 22% fail | |
|
38 | 64 | 180 |
|
39 | 64 | 183 |
|
40 | 64 | 182 |
|
41 | 64 | 106 |
|
42 | 64 | 116 |
|
43 | 64 | 119 |
Config 1 - Stock -f 60 -dd 800/1250@1100
Config 2 - Unlocked shaders -f 60 -dd 800/1250@1100
Config 3 - Unlocked shaders -f 5 -dd 800/1250@1100
Config 4 - Unlocked shaders -f 15 -g 4 -dd 900/1200@1129
I have been able to reach 408Mhs being more aggresive on the OC and -f but after 2 hours miner crashed
Also with this card I can not see flash videos (I hade no problems with 5770 and SDK 2.1) becouse the miner also crashes.
From the data I am unable to reach to any conclussions as with some config OC or unlicking doesn't improve a bit, -v 34 is a good number, -v 37 just gives 22% of HW errors... Anyway my best setup is -v 3 -w 192 similar to -v2 -w 64 but a hell more stable
There is a significative drop in MHs when the nonces are exhausted, it seems a thread just sits waiting while we must have some unused nonces from other threads, and also the spureus errors but ina lesser extent.
Not sure if this info will be valuable for someone else but here it is for reference.