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Monero Mining Performance

Discussion in 'Cryptocurrency Mining and Markets' started by Patrick, Nov 18, 2016.

  1. Patrick

    Patrick Administrator
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    There are a lot of people on the Internet that make up results.
     
    #941
    pgh5278 likes this.
  2. brainbudt

    brainbudt New Member

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    does anybody has a i7 8600k that they have tested?
    I think it will do around the 483. becauseit's the same CPU as the i7 7700k, but then with 2 extra cores.
    i7 7700k is 322(data from the list) /4*6=483. And it has the same l3 cache per core (2mb).

    if this is true it is maybe beter then the ryzen 1700. we just need to know how much power it uses and if it's beter to OC (atleast the cache speed then)
     
    #942
  3. Jeggs101

    Jeggs101 Well-Known Member

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    It may be good. But it's 6 cores + a dimm + mobo + psu + 24x7 cooler + a case and by the time you've got enough of them to be useful you'll have too many nodes to manage and need more switch ports.

    AMD EPYC 7401P is a monstrosity of a chip for mining at $1100. A $1400 server for the EPYC is like getting 4 mining nodes so <400 for mobo psu case and cooler and you've got fewer nodes to manage.
     
    #943
  4. brainbudt

    brainbudt New Member

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    yea that true tough, but I don't have the money to buy that. Here in the netherlands you will need to pay 1250 € and around the 600$ for just the motherboard.
    and the ROI is around the 1100 days and yes the i7 8700k is a bit more, but I also plannend to use the cpu for gaming and other stuff where single core performance helps more then multi core performance
     
    #944
  5. ffvv

    ffvv New Member

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    Hello to Everyone,
    and a special hello for Patrick,
    I've just done the registration to this forum to ask you a question :)
    are you sure about the perfomance of
    1x AMD EPYC 7351P = 1438H/s (32 threads 179W)
    ? this have double the L3 ram of the threadripper 1950x and almost same perfomance 0_O
    all epyc servers with 64mb L3 seems to have quite low performance (almost half of expected ) do you have any detailed information about these tests?
    did you tested those servers personally ?

    Thank you! and have a nice day :)
     
    #945
  6. Nero24

    Nero24 New Member

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    Hi,

    please keep in mind, that Ryzen Threadripper has got a much higher frequency than Epyc 7351P; 3.4 GHz with 4.2 GHz XFR-Turbo vs. 2.4 GHz with 2.9 GHz Turbo.

    Besides: due to its 32 MB L3-Cache and the character of Monero (2 MB per thread) the miner works with 16 threads on Threadripper, which is exactly its number of real cores, which is perfect. On Epyc 7351P instead, although it has just 16 cores, as well, the miner works with 32 threads. But logical SMT-cores don't scale as good as real cores. Nevertheless Epyc 7351P is faster than Threadripper, although it has just the same amount of CPU cores and works with lower frequency. :D
     
    #946
    Last edited: Oct 12, 2017
  7. ffvv

    ffvv New Member

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    Hi Nero24,
    I understand your point but not completely I've already supposed that the core number and core frequency could be a reason for this discrepancy,

    anyway also processor have so low hashrate...
    1x AMD EPYC 7601 = 1786H/s (196W)

    1950x supposing running all cores at 4ghz constant , total freq = 64000Hz x 32mbL3 = 1204H
    7351P total physical frequency = 46400Hz x 64mbl3 = 1438H
    7601 = 86400Hz x 64mbl3 = 1786H

    if the cpu freq is the limiting factor of the 7351p , the 7601 which have way more cpu frequency on 32 physical cores should give a huge advantage over the 7351P but it's not.. , I mean the 7351p having lower cpu freq does a decent job but not very muhc.. ( this let me suppose that the cpu was the bottleneck but then the 7601 double the cpu freq and the step over the 7351P is small.. ) probably the two resources are both close to the limit and both freq and cpu are the limit ? maybe a 7601 with total 128000Hz can reach 2400H/s , ( supposing that the 1950x run always at 4ghz constant )


    thank you :)


    - reference :
    Epyc - Wikipedia
    Ryzen - Wikipedia
     
    #947
  8. Jeggs101

    Jeggs101 Well-Known Member

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    Physical cores scale better, cache is most important. You've gotta take into the equation system cost too. 7351p = like $700 and the 7601 = like $4400
     
    #948
  9. nfsden

    nfsden Member

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    Bingo!
     
    #949
  10. MiniKnight

    MiniKnight Well-Known Member

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    CPU mining is a 0 return game if you're buying CPUs to mine.
     
    #950
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  11. Klee

    Klee Active Member

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    Well it you can't give a blanket statement like that, i'm running three Wiwynn Open Compute servers with E5-2660's and 2665's and its working for me.


    Now granted I bought the servers cheap and the cpu's used and run the least ram I can get away with and hard drives I already had but that was my goal since there was no way I was going to buy the newest servers or the latest cpu's.

    Of course if I win the lottery.......;)
     
    #951
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  12. Patrick

    Patrick Administrator
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    #952
  13. Joel

    Joel Member

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    Please forgive me for not slogging through all 48 pages of this thread, but are the power figures quoted for the entire systems or just delta over idle?
     
    #953
  14. Patrick

    Patrick Administrator
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    Entire systems. You are correct in that you are looking for the more informative metric
     
    #954
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