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Author Topic: An (even more) optimized version of cpuminer (pooler's cpuminer, CPU-only)  (Read 1682063 times)
Bardam
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June 08, 2017, 08:06:11 PM
 #1241

Setup and started about an hour ago and I'm seeing a lot of this:
http://i.imgur.com/y8CsR7r.png
but no "yay"'s or "booo"s.
I'm working through slushpool but the worker still hasn't checked in there. I've double checked that I'm using the right username:
Code:
--userpass=myusername.worker1:pass
Am I doing something wrong?
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BadAstroZA
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June 13, 2017, 03:30:12 AM
 #1242

Hey - just trying this out. Is it usable on Suprnova?

I am trying stratum+tcp://zec-apac.suprnova.cc:2142
However like many other posters I always get the following:

[2017-06-13 13:28:57] Failed to get extranonce2
[2017-06-13 13:28:57] JSON-RPC call failed: (un
[2017-06-13 13:28:57] ...retry after 30 seconds


This is on Windows 7, 64-bit.
akasma
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June 13, 2017, 03:36:13 AM
 #1243

It's very good to see this thread about the pool and CPU miner.
I need some mining soft for my Intel Xeon servers for VRM and XRM . I hope this is good soft for my miners.

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aksnomi
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June 13, 2017, 02:02:25 PM
 #1244

What i miss? =/
http://imgur.com/a/nKNss

Edit:
Work on bitconnect poll
With this code: minerd -a scrypt -o stratum+tcp://bitconnectpool.co:3333 -u yourusername.yourworkername -p yourworkerpassword

Regards
Elder III
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June 13, 2017, 02:18:29 PM
 #1245

Hey - just trying this out. Is it usable on Suprnova?

I am trying stratum+tcp://zec-apac.suprnova.cc:2142
However like many other posters I always get the following:

[2017-06-13 13:28:57] Failed to get extranonce2
[2017-06-13 13:28:57] JSON-RPC call failed: (un
[2017-06-13 13:28:57] ...retry after 30 seconds


This is on Windows 7, 64-bit.

I tried to mine BitSend today on suprnova and got stratum connection errors as well. Has anyone connected to suprnova with this miner recently?

minerd.exe -o stratum+tcp://bsd.suprnova.cc:8686 -a xevan -u username -p workername

BTC: 1PyvgeuVB3TrgnygfEtZW8driBE2hFuZpi
cheezuscraizt
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June 23, 2017, 12:45:48 PM
 #1246

Hey together,

as pooler helped me out with some problems in front of the screen, here's something for the community.

If you want to install cpuminer on AIX you will need some additional packages.
This guide will use git, so many dependencies...
As AIX has only two good sources for OSS-sources, the packages are all from http://www.perzl.org/aix/
Only gettext is from the AIX Toolbox for Linux, Perzl describes the causes very well in his FAQs.

For testing purposes I used a fresh rte install based on 7100-04-04-1717, no additional software except openssh.
You'll need following Packages with gcc and git:
Code:
autoconf automake bash bzip2 curl curl-devel  db4 expat fontconfig freetype2 gettext gcc gcc-c++ gcc-cpp gdbm git glib2 gmp info less libXft libXrender libffi libgcc libiconv libidn libidn-devel libmpc libpng libsigsegv libssh2 libssh2-devel libstdc++ libstdc++-devel m4 mpfr openldap openssl openssl-devel perl pkg-config popt python python-libs readline rsync sqlite tcl tk zlib zlib-devel

Minimal requirements are lib curl / curl-devel:
Code:
bash curl curl-devel gettext glib2 info libffi libgcc libiconv libidn libidn-devel libssh2 libssh2-devel openssl openssl-devel pkg-config zlib zlib-devel

Make sure you got enough space in /opt, else use
Code:
chfs -asize=+2G /opt
Install them all with
Code:
rpm -Uvh *rpm

As I'm behind a firewall, the github certificate was not accepted, so I disabled ssl altogether.
Code:
git config --global http.sslVerify "false"

Now it's straightforward:
Code:

git clone https://github.com/pooler/cpuminer
cd cpuminer
./autogen.sh
./nomacro.pl
./configure --prefix=/opt/freeware CFLAGS="-O3 -maltivec"
make
make install
Until now I did not test 64Bit compilation, as all rpm-packages have to be 64-Bit.

maltivec makes around 50kh/s difference per share.
Some numbers from my virtual machine:

The hardware is a power8 with 48 cores and 512gb ram.
The virtual machine can distribute work to 45 processors out of the pool, but only if no other lpar needs any cpu resources.
Aix typical is the low memory consumption, only 4gb are given to the lpar.
AIX is running in SMT4 mode, so I have 160 available threads.
With the configured 60 threads the machine is running with 37 fully used physical cores.

Using 60 threads I get around 190kh/s per Share.
Running with 120 threads get the hash rate to 314-322 kh/s for a share. Still the hardware is not hitting the limits.
It's still not a miner hardware but the effectiveness is impressive.
160 Threads equals 100% CPU usage and 490kh/s per Share. 

Here is a bundle file:
https://pastebin.com/HrDHc276
Use following one-liner.
Code:
mkdir /rpm && cd/rpm &&
for rpm in $(cat cpuminer.bundle); do curl-o $rpm ftp://www.oss4aix.org/latest/aix71/$rpm ;done;rpm -Uvh *rpm && cd && rm -rf /rpm

Either use another machine or install curl or wget prior to downloading.
wget is also available from the AIX toolbox.

I can provide binary neutral AIX versions of minerd

Here's a miners-benchmark with 200 Threads:
Code:
/usr/local/bin/minerd -c $(pwd)/minerd.conf 2>&1 |grep Total
[2017-06-23 17:53:05] Total: 399.77 khash/s
[2017-06-23 17:53:10] Total: 401.58 khash/s
[2017-06-23 17:53:15] Total: 400.39 khash/s
[2017-06-23 17:53:20] Total: 396.96 khash/s
[2017-06-23 17:53:25] Total: 393.59 khash/s
[2017-06-23 17:53:30] Total: 392.47 khash/s
[2017-06-23 17:53:35] Total: 394.68 khash/s
[2017-06-23 17:53:40] Total: 396.19 khash/s
[2017-06-23 17:53:45] Total: 393.41 khash/s
[2017-06-23 17:53:50] Total: 400.57 khash/s
[2017-06-23 17:53:55] Total: 398.59 khash/s
[2017-06-23 17:54:00] Total: 402.92 khash/s
[2017-06-23 17:54:05] Total: 398.25 khash/s
[2017-06-23 17:54:10] Total: 400.11 khash/s
[2017-06-23 17:54:15] Total: 399.80 khash/s
[2017-06-23 17:54:20] Total: 400.75 khash/s
[2017-06-23 17:54:25] Total: 398.59 khash/s
[2017-06-23 17:54:30] Total: 399.60 khash/s
[2017-06-23 17:54:35] Total: 400.05 khash/s
[2017-06-23 17:54:40] Total: 403.55 khash/s
[2017-06-23 17:54:45] Total: 404.49 khash/s
[2017-06-23 17:54:50] Total: 402.77 khash/s

Just a quick update:
Got our old Power7+ running again and did a benchmark with one thread:
Code:
[2017-06-28 09:41:17] Total: 3.76 khash/s
[2017-06-28 09:41:21] Total: 3.76 khash/s
[2017-06-28 09:41:26] Total: 3.76 khash/s
[2017-06-28 09:41:31] Total: 3.76 khash/s
[2017-06-28 09:41:36] Total: 3.76 khash/s
[2017-06-28 09:41:41] Total: 3.76 khash/s
[2017-06-28 09:41:46] Total: 3.76 khash/s
[2017-06-28 09:41:51] Total: 3.75 khash/s
[2017-06-28 09:41:56] Total: 3.76 khash/s
[2017-06-28 09:42:01] Total: 3.76 khash/s
[2017-06-28 09:42:06] Total: 3.76 khash/s

To get a grip on these numbers here the power8 lpar, also with one thread:
Code:
[2017-06-28 09:44:05] Total: 3.38 khash/s
[2017-06-28 09:44:09] Total: 3.39 khash/s
[2017-06-28 09:44:14] Total: 3.40 khash/s
[2017-06-28 09:44:19] Total: 3.37 khash/s
[2017-06-28 09:44:24] Total: 3.40 khash/s
[2017-06-28 09:44:29] Total: 3.37 khash/s
[2017-06-28 09:44:34] Total: 3.40 khash/s
[2017-06-28 09:44:39] Total: 3.36 khash/s

Regards
Jens  
markelof
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June 28, 2017, 12:08:44 PM
 #1247

Hi guys I need small help.

I downloaded this minner on windows7, there is one exe file and three dlls.
I want configure it to mine LINX;
stratum+tcp://pool.mylinx.io:3008

What I should to to configure it, create some bat file or ? Also where I need to put mz linx address ?

Sorry for noob questions. I'm new in this.
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