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Author Topic: Pooled/Remote Mining - Open Source - Updated 2010-12-24  (Read 55751 times)
doublec
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December 13, 2010, 03:22:46 AM
 #141

puddinpop, some timestats.txt for the last few hours:

Code:
section count time
BitcoinMinerRemote Handling Messages 3538540 6125980632
BitcoinMinerRemoteServer::AddDistributionFromContributed 7444 12161303
BitcoinMinerRemoteServer::BlockToJson 7444 37761410
BitcoinMinerRemoteServer::DecodeBase64 1137964 7965160
BitcoinMinerRemoteServer::EncodeBase64 14888 110513
BitcoinMinerRemoteServer::GetAllClientsCalculatedKHashFromBest 990 12888072
BitcoinMinerRemoteServer::GetAllClientsCalculatedKHashFromMeta 990 5102865
BitcoinMinerRemoteServer::GetOldestNonVerifiedMetaHashClient 1684875 13319578
BitcoinMinerRemoteServer::SendWork 7444 218351595
BitcoinMinerRemoteServer::Step 3538541 1986327641
MetaHashVerifier::Start 398 112139
MetaHashVerifier::Step 78488 1280946445
RemoteClientConnection::GetCalculatedKHashRateFromBestHash 104395 12802790
RemoteClientConnection::GetCalculatedKHashRateFromMetaHash 104395 5005396
RemoteClientConnection::GetNewestSentWorkWithMetaHash 1606785 8341113
RemoteClientConnection::GetSentWorkByID 1137964 3100622
RemoteClientConnection::MessageReady 327210958 585449940
RemoteClientConnection::ProtocolError 327210958 575656559
RemoteClientConnection::ReceiveMessage 1140525 300611249
RemoteClientConnection::SendMessage 20680 17677026
RemoteClientConnection::SetWorkVerified 384 1151
RemoteClientConnection::SocketReceive 753356 11741667
RemoteClientConnection::SocketSend 19110 1143503950
VerifyBestHash 1001002 6195863
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doublec
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December 13, 2010, 04:49:02 AM
 #142

The server got stuck idling and producing zero hashes again. I've temporarily fallen back to the previous server, version 1.2.1, until the problem is resolved. Note that 1.2.1 is averaging about 60% the CPU usage of 1.2.2.
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December 13, 2010, 11:21:03 AM
 #143

What's the best way to finetune the opencl implementation?

If I run DiabloMiner with -w 256, I get about ~250mhash/s, which seems to be maximum, as the Catalyt Control Center displays almost 100% GPU Usage. However, if I use the OpenCL remoteminer, I peak at 100mhash/s. (-aggression 12, everything else above 12 crashes the miner)
I tried to play with the -gputhreads and -gpugrid parameters, but could not achieve any better results.

Do you have any ideas to get a similiar performance from opencl-remoteminer?

EDIT: Also the remote-opencl-client consumes a lot more cpu power (33% on 4x2.4GHz). Same is valid for the CUDA client, which runs on a different video card. Why do those versions consume such a high amount of CPU power? In contrast: DiabloMiner's CPU load is at 2%.

Current system configuration:

OS: Win 7 Pro x64
CPU: Q6600 (4x2.4GHz)
Video #1: Radeon HD 5850
Video #2: Gefore 9600 GT


kaspar
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December 13, 2010, 02:44:52 PM
 #144

Some idea just came to my head:

We could write a "wrapper"-client to the pooling-server which revealsthe standard rpc-API to other clients. This would enable us to use every BC mining client out there for remote-mining. Or do I miss some obstacle here?
puddinpop
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December 14, 2010, 02:09:47 AM
 #145


The server got stuck idling and producing zero hashes again. I've temporarily fallen back to the previous server, version 1.2.1, until the problem is resolved. Note that 1.2.1 is averaging about 60% the CPU usage of 1.2.2.

Where was the trouble when you attached the debugger?  I tried to duplicate this here, but I don't have enough hash rate locally to overload the server.  It sounds like a network issue to me, but it's possible it could be something else.  Are you sure you have enough upload bandwidth to the server?  Is your host throttling it?

doublec
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December 14, 2010, 03:11:21 AM
 #146

Where was the trouble when you attached the debugger?  I tried to duplicate this here, but I don't have enough hash rate locally to overload the server.  It sounds like a network issue to me, but it's possible it could be something else.  Are you sure you have enough upload bandwidth to the server?  Is your host throttling it?

I saw nothing obvious in the debugger. It still seemed to be stepping through the clients ok. Is it possible for a slow or malicious client to cause the server to block or slow down?

I should have enough bandwidth. I have a similar server that serves a lot more traffic than this one running the pooled miner. That said my host has been killing the server for excessive CPU usage recently so anything is possible.

Is anyone else willing to run/take over running the pool that might have a more reliable server or connection?
Enky1974
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December 14, 2010, 12:57:08 PM
 #147

I joined the remote server at 173.255.205.10 with a Nvidia 8800 GTS 512mb DDR3 (448 cores at 750mhz)
i have an average of 17400 khash/sec, not bad compared to 4400 Khash/sec of my intel Q6600 2.4ghz quadcore.

the log:
Client will start 1 miner threads
Attempting to connect to 173.255.205.10:8335
Connected to 173.255.205.10:8335
Got message 2 from server.
Server version 1.2.1
Setting CUDA device to Max GFlops device at index 0
Device info for GeForce 8800 GTS 512 :
Compute Capability : 1.1
Clock Rate (hz) : 1750000
CUDA finding best kernel configuration
Done allocating CUDA resources for (16,16)
Got message 4 from server.
Finding best configuration step end (16,16) 1609ms  prev best=9223372036854775807ms
Done allocating CUDA resources for (16,32)
Finding best configuration step end (16,32) 844ms  prev best=1609ms
Done allocating CUDA resources for (16,64)
Finding best configuration step end (16,64) 438ms  prev best=844ms
Done allocating CUDA resources for (16,128)
Finding best configuration step end (16,128) 250ms  prev best=438ms
Done allocating CUDA resources for (16,256)
Finding best configuration step end (16,256) 172ms  prev best=250ms
Done allocating CUDA resources for (32,16)
Finding best configuration step end (32,16) 844ms  prev best=172ms
Done allocating CUDA resources for (32,32)
Finding best configuration step end (32,32) 437ms  prev best=172ms
Done allocating CUDA resources for (32,64)
Finding best configuration step end (32,64) 250ms  prev best=172ms
Done allocating CUDA resources for (32,128)
Finding best configuration step end (32,128) 188ms  prev best=172ms
Done allocating CUDA resources for (32,256)
Finding best configuration step end (32,256) 172ms  prev best=172ms
Done allocating CUDA resources for (64,16)
Got message 10 from server.
Server Status : 92 clients, 186538 khash/s

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Cdecker
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December 14, 2010, 02:59:32 PM
 #148

I'd be willing to host one of the pool miners, but I'm a bit strapped for time in near time. Also I'm wondering what resources I need. I can create a virtual machine with quite some resources but I cannot use all of the resources. May I host it through Tor?

Want to see what developers are chatting about? http://bitcoinstats.com/irc/bitcoin-dev/logs/
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sjaak
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December 14, 2010, 04:07:05 PM
 #149

I'd be willing to host one of the pool miners, but I'm a bit strapped for time in near time. Also I'm wondering what resources I need. I can create a virtual machine with quite some resources but I cannot use all of the resources. May I host it through Tor?

Hey,

A new server was proposed in another thread: http://bitcointalk.org/index.php?topic=2027.msg30042#msg30042
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December 14, 2010, 08:27:44 PM
 #150

I'd be willing to host one of the pool miners, but I'm a bit strapped for time in near time. Also I'm wondering what resources I need. I can create a virtual machine with quite some resources but I cannot use all of the resources. May I host it through Tor?

Hey,

A new server was proposed in another thread: http://bitcointalk.org/index.php?topic=2027.msg30042#msg30042
That's settled then ^^
Looking forward to join the pool.

Want to see what developers are chatting about? http://bitcoinstats.com/irc/bitcoin-dev/logs/
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RichardG
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December 14, 2010, 10:56:20 PM
 #151

Does anyone know how to obtain working stats directly from the server without having to start mining?

The code suggests so, but I don't know C[++].

1FVXB2yaLo47SMWYpYW92KoySQB2T37chB
On the IRC channels, my client is also a bot, use !pool to obtain pooled miner status
jiffy
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December 15, 2010, 11:14:59 PM
 #152

Hi,

is anyone of you able to build a statically linked version of the bitcoin-pool server? I found a static one of the client but not of the server. The reason is I GAVE UP! Sad I tried compiling the sources since the last weekend without success. As soon as I solved an issue the next one was rising up.

The machine on which I like to use the server is 64 bits Ubuntu 8.04. But, just as a sidenote, I also tried to build it on Ubuntu 10.10 32 Bits which doesn't work better.


73!

1K9tXaq2xznaeHTFFA5dT2HKXRH4XxHP4U
puddinpop
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December 15, 2010, 11:50:44 PM
 #153

The fist post has been updated with a new release.  In addition to some small code tweaks, the server now displays the bandwidth being used in the GUI, and there is a miner client using the 4way hash code.

inertia
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December 16, 2010, 06:17:28 AM
 #154

Hi,

is anyone of you able to build a statically linked version of the bitcoin-pool server? I found a static one of the client but not of the server. The reason is I GAVE UP! Sad I tried compiling the sources since the last weekend without success. As soon as I solved an issue the next one was rising up.

The machine on which I like to use the server is 64 bits Ubuntu 8.04. But, just as a sidenote, I also tried to build it on Ubuntu 10.10 32 Bits which doesn't work better.


73!

Hey, jiffy, did you install ibdb4.8++-dev before trying to compile on Ubuntu 10.10?

You should try my Minecraft server.
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December 17, 2010, 12:11:43 AM
 #155

Hi,

is anyone of you able to build a statically linked version of the bitcoin-pool server...

Hey, jiffy, did you install ibdb4.8++-dev before trying to compile on Ubuntu 10.10?

Hey, thanks for your reply.

I had 4.7 installed as it was mentioned in the build-unix.txt . I now installed 4.8 and tried again.

I now get

Code:
make
Linking CXX executable bitcoind
CMakeFiles/bitcoind.dir/__/src/db.cpp.o: In function `CDB::CDB(char const*, char const*)':
db.cpp:(.text+0x1c5): undefined reference to `DbEnv::set_lg_dir(char const*)'
db.cpp:(.text+0x1d9): undefined reference to `DbEnv::set_lg_max(unsigned int)'
db.cpp:(.text+0x1ed): undefined reference to `DbEnv::set_lk_max_locks(unsigned int)'
db.cpp:(.text+0x201): undefined reference to `DbEnv::set_lk_max_objects(unsigned int)'
db.cpp:(.text+0x22c): undefined reference to `DbEnv::set_errfile(_IO_FILE*)'
db.cpp:(.text+0x248): undefined reference to `DbEnv::set_flags(unsigned int, int)'
db.cpp:(.text+0x273): undefined reference to `DbEnv::open(char const*, unsigned int, int)'
db.cpp:(.text+0x428): undefined reference to `Db::Db(DbEnv*, unsigned int)'
CMakeFiles/bitcoind.dir/__/src/db.cpp.o: In function `CDB::CDB(char const*, char const*)':
db.cpp:(.text+0xa5d): undefined reference to `DbEnv::set_lg_dir(char const*)'
db.cpp:(.text+0xa71): undefined reference to `DbEnv::set_lg_max(unsigned int)'
db.cpp:(.text+0xa85): undefined reference to `DbEnv::set_lk_max_locks(unsigned int)'
db.cpp:(.text+0xa99): undefined reference to `DbEnv::set_lk_max_objects(unsigned int)'
db.cpp:(.text+0xac4): undefined reference to `DbEnv::set_errfile(_IO_FILE*)'
db.cpp:(.text+0xae0): undefined reference to `DbEnv::set_flags(unsigned int, int)'
db.cpp:(.text+0xb0b): undefined reference to `DbEnv::open(char const*, unsigned int, int)'
db.cpp:(.text+0xcc0): undefined reference to `Db::Db(DbEnv*, unsigned int)'
CMakeFiles/bitcoind.dir/__/src/db.cpp.o: In function `CDB::Close()':
db.cpp:(.text+0x116e): undefined reference to `DbTxn::abort()'
db.cpp:(.text+0x1237): undefined reference to `DbEnv::txn_checkpoint(unsigned int, unsigned int, unsigned int)'

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doublec
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December 17, 2010, 01:15:20 AM
 #156

I had 4.7 installed as it was mentioned in the build-unix.txt . I now installed 4.8 and tried again.

I now get

Edit CMakeCache.txt. Change the line that references libdb.so to libdb_cxx.so.
slush
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December 17, 2010, 03:09:10 AM
 #157

You may be interested that we started another mining pool yesterday. Works with all standard CPU/GPU miners and we already found three blocks in one day. First block was already paid (it works differently than yours pool, transactions to users aren't directly inside block). http://bitcointalk.org/index.php?topic=1976.0. You are welcome!

puddinpop
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December 24, 2010, 07:09:46 PM
 #158

The first post has been updated with the latest release.  The source was updated to SVN 205 and there's just some other minor code changes.  No need to update unless you really like having the latest release.

LZ
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February 14, 2011, 12:48:21 PM
 #159

Will be an update here? It will be great if gethashespersec will show total hashps for all connected miners. Smiley

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doublec
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April 25, 2011, 09:27:54 AM
 #160

Will be an update here? It will be great if gethashespersec will show total hashps for all connected miners. Smiley
I added this to puddinpop's code in a branch of my github repository mirroring his code: https://github.com/doublec/bitcoin-pool/tree/lowcpu

With this code 'gethashespersec' will show the total server hash rate. It also adds a command line option '-distributionpercent' allowing the server operator to set the percentage of the generated coins that are available for distribution (the rest go to the server operator). It rounds the generated coin amounts to 3dp as well to help prevent dust accumulation in miners wallets. Feel free to cherry-pick the commits that interest you.
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