Cgminer Windows - 100% Cpu Load

Discussion in 'cgminer' started by kenshirothefist, Feb 8, 2016.

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  1. kenshirothefist

    kenshirothefist New Member

    Jan 17, 2016
    7
    1
    Hey,

    Just tried cgminer 0.0.3 windows - mining on remote dcrd. It works, but as CPU load is constantly at 100% and GPU hashing performances are bad. Seen this on two PCs, one with AMD 280x, the other with NVIDIA 970 card. Anybody seen this issue with CPU been constantly at 100% when running cgminer 0.0.3 windows?
     
  2. sambiohazard

    sambiohazard Sr. Member

    Jan 21, 2016
    844
    372
    Mine goes to 40-50% with a 970 & 750ti on a i5
     
  3. kenshirothefist

    kenshirothefist New Member

    Jan 17, 2016
    7
    1
    Just rebooted the same rig in Linux - here the CPU load stays below 15% and runs fine. Obviously blake is too heavy for weak CPUs under windows (to make things clear - I'm talking about GPU mining and NOT CPU mining, however CPU is heavily loaded even for GPU-only mining).
     
  4. Bagdar13

    Bagdar13 New Member

    Jan 27, 2016
    39
    15
    Male
    Good Morning,

    So I can run 5 GPUs (3x 7970 2x 7870) off a $30 semperon single core, crap tier, AMD chip, with almost no performance loss compared to say a 2600k i7 in windows 7.

    This probably dosent help much but I am not 100% confident that windows is the problem based on my experience, and the rigs I am currently running.
     
  5. fRee_

    fRee_ New Member

    Jan 15, 2016
    8
    2
    Male
    Same problem here: Win7 x64, latest official cgminer (0.0.3), cheap celerons and semprons are 100% loaded, thus making impossible for GPUs to work normally - getting about 70-80% load instead of 98-100. CPU is bottleneck on windows. And that IS strange! No other algo never had such problems in my mining experience.
     
  6. LastNinja

    LastNinja Full Member

    Dec 31, 2015
    451
    199
    Male
    I think it's some bug. I didn't have the CPU maxed out at 100% during early main net blocks but all of a sudden it went to 100%. No matter if I run just one instance or four. Always only one GPU per instance. I am on v0.0.4. Can't remember if problem started when I switched from v0.0.3. Win7 64bit.
     
  7. sambiohazard

    sambiohazard Sr. Member

    Jan 21, 2016
    844
    372
    i am also getting 70-80% on my i5, probably there is some portion of the algo that is solved by CPU or could be just some bug in the miner.
     
  8. LastNinja

    LastNinja Full Member

    Dec 31, 2015
    451
    199
    Male
    It must be a bug. I mined many hours on testnet and CPU usage was basically zero.
     
    chappjc likes this.
  9. fRee_

    fRee_ New Member

    Jan 15, 2016
    8
    2
    Male
    Yep. This is a MAJOR problem, for me at least: last cgminers take 100% of my rig CPUs. It was NOT the case on testnet. And I can't use older cgminer because of TLS problems (cgminer keeps saying "credentials invalid" no matter how I try).
     

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