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    Changing the hashing algorithm

    Technical Development
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    • D
      daimyo last edited by

      Wellenreiter, do we need external help with the stratum? Do you think it would increase productivity?

      I can get my 550M to work up to I-13 without HW. -I 12 and -I 13 make little difference tho.

      I hate to say it but it seems the 7850 has the edge over 750ti productivty wise while at same price… :( Tho I am not sure if lizhi had aggressive overclock or its just too hot in China :D - 86C

      What temps are you getting with the 750ti ? Have you tried I-13 ?

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      • lizhi
        lizhi last edited by

        I gave it a try last night on my nVidia 550M, Win7 and I got max 8 khs. Mostly default settings, --worksize 256 -I 13, no overclock. Driver version 294.10 - a bit old

        76C gpu temp -> not bad

        I think it can reach up to 10 khs with some tweakin

        This is what i get with -I 14

        Clipboard01.jpg

        Limitation of the gpu?

        And whats the logic 7850 to perform 3 times faster than 7970?

        Do you guys expect the stratum implementation to raise the productivity significantly?

        cgminer say “Maximun buffer memory device 0 supports says 536870912”

        Please reduce the thread-concurrency

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        • kris_davison
          kris_davison last edited by

          750ti are less power hungry tho?

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          • F
            Flobdeth Regular Member last edited by

            does -g 3 -I 17 work, or throwing back HW errors, anyone tried those settings?

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            • lizhi
              lizhi last edited by

              does -g 3 -I 17 work, or throwing back HW errors, anyone tried those settings?

              -g 1 -I 13

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              • D
                daimyo last edited by

                -g 2, 3 crashes the miner here

                lizhi, you are correct. High tread concurrency was the cause

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                • Wellenreiter
                  Wellenreiter Moderators last edited by

                  Wellenreiter, do we need external help with the stratum? Do you think it would increase productivity?

                  I can get my 550M to work up to I-13 without HW. -I 12 and -I 13 make little difference tho.

                  I hate to say it but it seems the 7850 has the edge over 750ti productivty wise while at same price… :( Tho I am not sure if lizhi had aggressive overclock or its just too hot in China :D - 86C

                  What temps are you getting with the 750ti ? Have you tried I-13 ?

                  Help with stratum would be really appreciated. My actual code is on github: https://github.com/wellenreiter01/p2pool-neoscrypt

                  I can add anybody to the repository who want to help.

                  I tested with minerd from Ghostlander and the hash calculated by the pool is always 2 byte too long when using stratum. Longpoll works fine.

                  Didn’t check my GPU temp, as the fans are running low speed it can’t be too high.

                  The NVIDIA cards are slower than the AMD card with opencl based miners.

                  I hope for Cudaminer to be adapted.

                  That should boost the performance of the cards.

                  Feathercoin development donation address: 6p8u3wtct7uxRGmvWr2xvPxqRzbpbcd82A
                  Openpgp key: 0x385C34E77F0D74D7 (at keyserver.ubuntu.com)/fingerprint: C7B4 E9EA 17E1 3D12 07AB 1FDB 385C 34E7 7F0D 74D7

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                  • AmDD
                    AmDD Regular Member last edited by

                    You all keep mentioning Nvidia cards. Is neo better run on those or is AMD still dominant? I ask because I have 3 rigs full of 7950’s that Im holding off on selling to mine feather once the algo is changed. :)

                    I want to setup one on the test pool this weekend if I have time.

                    P2Pool Node: http://104.236.34.9:19327/ 0.5% fee

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                    • kris_davison
                      kris_davison last edited by

                      The openCl gpu miner seems to run better on nvidia cards but if/when there is a cudaminer (nvidia specific) they should be pretty even. Nvidia cards generally use less power and are not as hot but you don’t get as high a hashrate so its swings and roundabouts really.

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                      • D
                        daimyo last edited by

                        folks, check this out https://github.com/ahmedbodi/stratum-mining-multialgo it claims to support stratum for neoscrypt

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                        • Wellenreiter
                          Wellenreiter Moderators last edited by

                          unfortunately this can’t be adapted easily to p2pool.

                          Feathercoin development donation address: 6p8u3wtct7uxRGmvWr2xvPxqRzbpbcd82A
                          Openpgp key: 0x385C34E77F0D74D7 (at keyserver.ubuntu.com)/fingerprint: C7B4 E9EA 17E1 3D12 07AB 1FDB 385C 34E7 7F0D 74D7

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                          • E
                            Edosterman last edited by

                            Where is the source for this. Love to help.

                            I have a bunch of GPS’s i can throw at this.

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                            • E
                              Edosterman last edited by

                              that would be GPUs not GPSs

                              sigh

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                              • E
                                Edosterman last edited by

                                folks, check this out https://github.com/ahmedbodi/stratum-mining-multialgo it claims to support stratum for neoscrypt

                                this has not been modified in months

                                only looks like cpu neoscyrpt at best.

                                other cpu miners available if wanted .

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                                • lizhi
                                  lizhi last edited by

                                  I had pushed it in http://www.ftc-c.com/pack/testnet.rar

                                  please download it ,test it

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                                  • lizhi
                                    lizhi last edited by

                                    My p2pool is running normally. >:D That is not too many connections .

                                    There are 3 connections in wallet, 1 miner connect p2pool.

                                    AA.jpg

                                    AA5.jpg

                                    AA2.jpg

                                    AA3.jpg

                                    AA4.jpg

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                                    • L
                                      Lukey_p last edited by

                                      Hi all, How is Pheonixcoin getting on with the change? I have got 6 Cores dedicated to mining Neoscrypt and i have mined over 1000PXC in 5 days.

                                      All seems to be working OK but i’m unsure of its effect on value / community.

                                      Is there any reason we have to wait for an efficient GPU miner before changing FTC to Neo?

                                      Just worried there is a scary amount of Scrypt ASIC out there at the moment and i know of a few people with over 10000Mh of Scrypt, couldnt they do a lot of damage to FTC if they wanted?

                                      Thanks

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                                      • T
                                        tmuir12 Regular Member last edited by

                                        Work is continuing on a daily basis on the GPU miner, once it is ready we can switch over fairly quickly, the consensus is we don’t want to switch until the GPU miner is ready for release, but hopefully that won’t be too far away.

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                                        • D
                                          daimyo last edited by

                                          Hi all, How is Pheonixcoin getting on with the change? I have got 6 Cores dedicated to mining Neoscrypt and i have mined over 1000PXC in 5 days.

                                          All seems to be working OK but i’m unsure of its effect on value / community.

                                          Is there any reason we have to wait for an efficient GPU miner before changing FTC to Neo?

                                          Just worried there is a scary amount of Scrypt ASIC out there at the moment and i know of a few people with over 10000Mh of Scrypt, couldnt they do a lot of damage to FTC if they wanted?

                                          Thanks

                                          What are you pulling out of the six core? Can you tell what cpu model that is exactly

                                          thanks

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                                          • L
                                            Lukey_p last edited by

                                            What are you pulling out of the six core? Can you tell what cpu model that is exactly

                                            thanks

                                            Yeah sure, im using a Dual Quad core Server and using 6 of the 8 CPUs to mine (other 2 are idle)

                                            Please see attached :

                                            https://www.dropbox.com/s/9yjz42pgywbh62v/cpu.PNG?dl=0

                                            (not really sure how to attached pictures )

                                            cpu.PNG?dl=0

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