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Author Topic: BitShares PTS (formerly ProtoShares) Mandatory Upgrade & Snapshot Announcement  (Read 216498 times)
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bahamapascal
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November 07, 2013, 03:23:02 PM
 #401


Wow, that is great!!! Now we just need a pool Smiley

Edit: Oh and a exchange Smiley
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November 07, 2013, 03:25:09 PM
 #402

Xeons seem to perform kinda bad, i get 44 hpm on 32 cores (2.2 ghz each) in 32 threads (getting less with 64) thats 1.375 hpm per thread vs 2.5 hpm per thread on an ivy i3

Its because you count HT as normal cores. So dont use HT or use better compiler

It has 32 physical cores and 64 with HT, i7 perform better with threads = HT, guess xeons dont.

And how should i use a better compiler on standard ubuntu?
Maybe they dont mean better compiler but better compiler optimizations.
For reference, the supplied client does 10hpm over 3 cores on a 4ghz i5-3570k with windows 7 64bit, on the same machine but in 64bit linux it does 40hpm over 4 cores.
I have too wonder, considering how much ram this algo uses that maybe having lots of cores could be a bad thing when you only have 1 memory controller, it could become a choke point if the memory bus can't move data fast enough for all the cores.
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November 07, 2013, 03:52:54 PM
 #403

is there a optimized miner out yet?

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November 07, 2013, 04:00:16 PM
 #404

Got an orphaned block (4318)... Sad

Code:
Hash Target 0003ffc000000000000000000000000000000000000000000000000000000000
Found Hash 00028341b321db4386ff1e3078a49c020a56e958d83acfc45d5b6ac9fe7f29f6
hash 00028341b321db4386ff1e3078a49c020a56e958d83acfc45d5b6ac9fe7f29f6
hash2 00028341b321db4386ff1e3078a49c020a56e958d83acfc45d5b6ac9fe7f29f6
ProtoSharesMiner:
proof-of-work found  
  hash: 00028341b321db4386ff1e3078a49c020a56e958d83acfc45d5b6ac9fe7f29f6  
target: 0003ffc000000000000000000000000000000000000000000000000000000000
CBlock(hash=00028341b321db4386ff1e3078a49c020a56e958d83acfc45d5b6ac9fe7f29f6, ver=2, hashPrevBlock=00015256e4cdc600b182ce84ea9b338e5b063f0d4589a981fda56e633b15a614, hashMerkleRoot=b87069d59d66689866a67dc31a8bd909db09e129663fc389b7eff715c74d98fb, nTime=1383820522, nBits=1f03ffc0, nNonce=790, vtx=1, birthdayA=28499000, birthdayB=44819077)
  CTransaction(hash=b87069d59d66689866a67dc31a8bd909db09e129663fc389b7eff715c74d98fb, ver=1, vin.size=1, vout.size=1, nLockTime=0)
    CTxIn(COutPoint(0000000000000000000000000000000000000000000000000000000000000000, 4294967295), coinbase 02de100101062f503253482f)
    CTxOut(nValue=45.12500000, scriptPubKey=021564c638818e04a0f330f58d3d25)
  vMerkleTree: b87069d59d66689866a67dc31a8bd909db09e129663fc389b7eff715c74d98fb
generated 45.125

Mysteriously, the client did not detect any more new blocks on the network after this:

Code:

testHash ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
Hash Target 0003ffc000000000000000000000000000000000000000000000000000000000
testHash 0c924fe7dfc73e251f98f8c91ef8feae1b8c8411ae52cf886cdb3be530f0dc79
Hash Target 0003ffc000000000000000000000000000000000000000000000000000000000
testHash 5e928db870f7ba293dddfca1980542ca52a1966e4a1d6fd46942cd1a715630c9
Hash Target 0003ffc000000000000000000000000000000000000000000000000000000000
testHash 2e3411858bfe95bb1c3219b7475cc07ef5463e81eedbdb510da87ea734174a06
Hash Target 0003ffc000000000000000000000000000000000000000000000000000000000
testHash ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
Hash Target 0003ffc000000000000000000000000000000000000000000000000000000000
Flushed 3947 addresses to peers.dat  50ms
testHash d26f211aff3bcdeaedb6ba83496594d5be9c4ba3347e8760cf3bf607f65f4b42
Hash Target 0003ffc000000000000000000000000000000000000000000000000000000000
testHash 007f75d8caac6f6a64a123a2d944a30c5bd5d13cb02b0b4e1786efabb0a13df1
Hash Target 0003ffc000000000000000000000000000000000000000000000000000000000
testHash ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
Hash Target 0003ffc000000000000000000000000000000000000000000000000000000000
testHash 8369c38bd81ac79951beaa593d66b5b609ad2da47bcfa8380dbb42bbb8eaa11f
Hash Target 0003ffc000000000000000000000000000000000000000000000000000000000
testHash 8d7345baf24155331055ca1d41dd9f90956f7fac3c30ef8089b82452adec1cac
Hash Target 0003ffc000000000000000000000000000000000000000000000000000000000
testHash 9b76b655c0f50f4a097525a60eab4cb54efc43de3b1bd81adde7c2da0de73e99
Hash Target 0003ffc000000000000000000000000000000000000000000000000000000000
testHash ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
Hash Target 0003ffc000000000000000000000000000000000000000000000000000000000
testHash 6fa02922604b61e5dcbb38d08938592e6161614a870e187455fe77025fefc700
Hash Target 0003ffc000000000000000000000000000000000000000000000000000000000
testHash 18556a1fc9ef96a6bddd2265963c9e9234a358b1762d3cb91d570ee5bf34639c
Hash Target 0003ffc000000000000000000000000000000000000000000000000000000000
testHash 46b59a88ebddb3e5541a0741f0bc9f3d7cd8ddec926e8a63587509513b219439
Hash Target 0003ffc000000000000000000000000000000000000000000000000000000000
... going on for hours. Neither did this block seem to have been submitted. Only after I restarted it did it start syncing.

For a small-time miner like me, orphans are a serious blow, especially an orphan caused like this... Sad


EDIT: My other processes also stopped syncing around 4200~4400...

I'm also getting allot of this on a few of my servers.  Can't figure out why.  Closed the wallet and reopened, then its catches up sync Sad  Thats not good.  This means I have to keep checking and loosing Sad

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November 07, 2013, 04:02:30 PM
 #405

is there a optimized miner out yet?

You can compile it yourself with needed optimizations for your target cpu
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November 07, 2013, 04:03:25 PM
 #406

10 hpm 3570k windows7 64

2x11hpm 6core i7 on debian7 64

no block found within 6 hours

is it bad luck or normal ?

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November 07, 2013, 04:07:22 PM
 #407

I think it is normal.  I have 43 cores (non-HT) that have been working for 48 hours and have only found 4 blocks.  I am trying to decide if I should go back to XPM or power up the other 88 cores I have but have to pay electricity for....

10 hpm 3570k windows7 64

2x11hpm 6core i7 on debian7 64

no block found within 6 hours

is it bad luck or normal ?


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November 07, 2013, 04:11:37 PM
 #408

If I stop a wallet as I need to restart a pc for any reason, does this mean the mining has lost its work and hours put it?

No

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November 07, 2013, 04:12:10 PM
 #409

Can some explain exactly how to run two instances on windows? I keep getting an invalid directory error when I try.
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November 07, 2013, 04:13:08 PM
 #410

is there a optimized miner out yet?

You can compile it yourself with needed optimizations for your target cpu

any hints on whats important?

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November 07, 2013, 04:15:48 PM
 #411

10 hpm 3570k windows7 64

2x11hpm 6core i7 on debian7 64

no block found within 6 hours

is it bad luck or normal ?



Guys, the momentum-proof-of-work algorithm is really slow to check a hash. Remember, you have to check a bunch of hashes until you find a collision (birthday problem), and then hash that collision to see if you are below the mandated number. My i7 desktop was able to do 10-12 per minute, which means that each hash check took like 6-7 seconds. The client doesn't stop the current cycle and sometimes you might find one where someone else found another one.

Right now, there's one found every minute or so, which means that there's a good chance someone else finds another solution.
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November 07, 2013, 04:26:27 PM
 #412

Can some explain exactly how to run two instances on windows? I keep getting an invalid directory error when I try.

I wrote this small guide to run 2 instances on windows.

https://bitcointalk.org/index.php?topic=326665.0

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November 07, 2013, 04:28:51 PM
 #413

Can some explain exactly how to run two instances on windows? I keep getting an invalid directory error when I try.

Invalid dir means you didnt create the dir

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November 07, 2013, 04:36:13 PM
 #414

Can some explain exactly how to run two instances on windows? I keep getting an invalid directory error when I try.

I wrote this small guide to run 2 instances on windows.

https://bitcointalk.org/index.php?topic=326665.0

Perfect, thanks. Is it possible to do something similar on linux? The dameon keeps crashing when I try to set setgenerate to 8.
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November 07, 2013, 04:41:32 PM
 #415

Can some explain exactly how to run two instances on windows? I keep getting an invalid directory error when I try.

I wrote this small guide to run 2 instances on windows.

https://bitcointalk.org/index.php?topic=326665.0

Perfect, thanks. Is it possible to do something similar on linux? The dameon keeps crashing when I try to set setgenerate to 8.

I've no clue about linux, can't help with that.

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November 07, 2013, 04:56:54 PM
 #416

Can some explain exactly how to run two instances on windows? I keep getting an invalid directory error when I try.

I wrote this small guide to run 2 instances on windows.

https://bitcointalk.org/index.php?topic=326665.0

Perfect, thanks. Is it possible to do something similar on linux? The dameon keeps crashing when I try to set setgenerate to 8.

I managed to make 8 threads work with an Amazon EC2 instance.  Run "free -m" to see if it's dying due to memory starvation.  You'll need ~750MB memory per thread, so make sure you have at least 6GB free.
If you do and it still crashes, make sure you're running a 64-bit version of linux.

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November 07, 2013, 05:02:57 PM
 #417

Whenever I turn off and on it tries catching up at least an hour back.

Got absolutely nothing in 2 days now Huh
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November 07, 2013, 05:04:17 PM
 #418

Can some explain exactly how to run two instances on windows? I keep getting an invalid directory error when I try.

I wrote this small guide to run 2 instances on windows.

https://bitcointalk.org/index.php?topic=326665.0

Perfect, thanks. Is it possible to do something similar on linux? The dameon keeps crashing when I try to set setgenerate to 8.

I managed to make 8 threads work with an Amazon EC2 instance.  Run "free -m" to see if it's dying due to memory starvation.  You'll need ~750MB memory per thread, so make sure you have at least 6GB free.
If you do and it still crashes, make sure you're running a 64-bit version of linux.

I was using an azure instance with 14gb of memory, what distro were you using?
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November 07, 2013, 05:20:43 PM
 #419

10 hpm 3570k windows7 64

2x11hpm 6core i7 on debian7 64

no block found within 6 hours

is it bad luck or normal ?



Pretty normal.

I've got about 300HPm in my farm with only 4 blocks since genesis

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November 07, 2013, 05:23:33 PM
 #420

10 hpm 3570k windows7 64

2x11hpm 6core i7 on debian7 64

no block found within 6 hours

is it bad luck or normal ?



Pretty normal.

I've got about 300HPm in my farm with only 4 blocks since genesis

Wow, unlucky! I got in about 12 hours late with one computer and found three blocks in 18 hours @ 6hpm

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