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    Download the latest NeoGpuMiner (3.7.8) and Sgminer (5.0.1-git) here!

    Technical Development
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    • ketetefid
      ketetefid Regular Member last edited by

      Stay tuned because the latest version of Sgminer is coming as well!

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      • ?
        A Former User last edited by

        epic

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        • ketetefid
          ketetefid Regular Member last edited by

          What is the problem exactly? I have updated the miners today again. Could you please test the newest ones?

          It works fine here with 14.9. Are you using sgminer or neominer?

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          • ketetefid
            ketetefid Regular Member last edited by

            If you are testing sgminer, please downgrade to 14.6_rc2. For neogpuminer any drivers should be fine–the latest is the best.

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            • ketetefid
              ketetefid Regular Member last edited by

              neogpuminer and sgminer 5.1.0-dev-2-gf608-dirty don’t work with 14.7 rc3 for me.

              Sorry, ketetefid, but I don’t have time tonight to change drivers.

              I see. That’s fine. But neogpuminer should work. What is the error? Do you have the time to take a screenshot of the problem?

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              • ketetefid
                ketetefid Regular Member last edited by

                I found another PC to test the miners and yes, due to a recent version of AMD APP SDK which has been used in building the miner, it refused to work on older versions of AMD drivers. So if anyone wants to use this, they should update to the latest driver. I hope for Nvidia users there are not any problems.

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                • W
                  Wolf0 Regular Member last edited by

                  So, hashrate on 7950, 280X, or 290X?

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                  • ketetefid
                    ketetefid Regular Member last edited by

                    For me the hashrate did not change very much. At most 2 kh/s. Well, this is no surprise since GCC optimizations have little to do with the program output. But 2 kh/s is still 2 kh/s!

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                    • W
                      Wolf0 Regular Member last edited by

                      For me the hashrate did not change very much. At most 2 kh/s. Well, this is no surprise since GCC optimizations have little to do with the program output. But 2 kh/s is still 2 kh/s!

                      Ah, okay. Yeah, getting above 250kh/s on 270X needs global memory optimization work - host code won’t do it.

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                      • S
                        slowhash Regular Member last edited by

                        So just to verify, this is just slightly optimized mining software, and uses the wolf kernel that is not optimized for the hawaii cards?

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                        • S
                          slowhash Regular Member last edited by

                          This SGminer crashes immediately with no error message.

                          14.9 drivers are installed, and 14.6 dll’s are in the folder, and it does not matter if the bins from a working version of SGminer are in the folder or not.

                          Is this expected behavior?

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                          • ketetefid
                            ketetefid Regular Member last edited by

                            This SGminer crashes immediately with no error message.

                            14.9 drivers are installed, and 14.6 dll’s are in the folder, and it does not matter if the bins from a working version of SGminer are in the folder or not.

                            Is this expected behavior?

                            Thank you very much for testing the miner.

                            Definitely that is not the expected behavior.

                            I should investigate the issue and I’ll provide an update for this soon.

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                            • S
                              slowhash Regular Member last edited by

                              CGminer 3.7.8 also immediately crashes with no errors, running 14.9 drivers.

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                              • W
                                Wolf0 Regular Member last edited by

                                CGminer 3.7.8 also immediately crashes with no errors, running 14.9 drivers.

                                I heard this happens with 14.12, you sure you’re not running that?

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                                • ketetefid
                                  ketetefid Regular Member last edited by

                                  CGminer 3.7.8 also immediately crashes with no errors, running 14.9 drivers.

                                  OK. I have been investigating this issue so far with little success. I am running the program with 14.9 drivers here with no problem. However, I could get the same problem (crashing with no errors) on another PC. Anyway, I am going to turn on debugging and trace the problem. Also, I am going to test different driver versions.

                                  By the way, I just do not like Windows (I should say I hate Windows). On Linux, driver changing is a breeze, but on Windows it becomes a pain. I myself have used Display Driver Uninstaller and several other tools to get over the stale files. Mixing files from different versions might be your problem as well. So it is worth trying DDU. It is very simple and straight forward.

                                  Thank you very much for your patience and your efforts for testing the software.

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                                  • S
                                    slowhash Regular Member last edited by

                                    I heard this happens with 14.12, you sure you’re not running that?

                                    Absolutely 100% positive that I’m running 14.9 and not 14.12.

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                                    • ketetefid
                                      ketetefid Regular Member last edited by

                                      After almost one day of investigation, the problem turned out to be from cross-compiling.

                                      Now both of the miners have been tested with AMD drivers v14.4 and above.

                                      I have uploaded the newly built software and have updated the links in the first post.

                                      Thanks

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                                      • W
                                        Wolf0 Regular Member last edited by

                                        The Omega drivers (14.12) are pretty bad, at least for me on Linux.

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                                        • ketetefid
                                          ketetefid Regular Member last edited by

                                          The Omega drivers (14.12) are pretty bad, at least for me on Linux.

                                          Definitely agreed. I do not know what AMD is doing.

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                                          • S
                                            slowhash Regular Member last edited by

                                            My guess is that they are building drivers for faster gaming frame rates, not mining.

                                            But what do I know? lol

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