2010-11-24 04:43:45 +00:00
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2011-07-02 14:28:51 +00:00
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This is a multi-threaded CPU and GPU miner for bitcoin.
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2010-11-24 04:43:45 +00:00
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2010-11-25 00:31:12 +00:00
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License: GPLv2. See COPYING for details.
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2010-11-24 04:43:45 +00:00
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Dependencies:
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libcurl http://curl.haxx.se/libcurl/
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jansson http://www.digip.org/jansson/
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2011-07-07 04:39:27 +00:00
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(jansson is included in-tree and an installed one may conflict)
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2010-11-24 04:43:45 +00:00
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2010-11-26 21:35:54 +00:00
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Basic *nix build instructions:
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2011-07-07 04:39:27 +00:00
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To build with GPU mining support:
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2011-07-07 05:04:54 +00:00
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Install AMD APP sdk, latest version - there is no official place to
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2011-07-07 04:39:27 +00:00
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install it so just keep track of where it is if you're not installing
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the include files and library files into the system directory.
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2011-07-07 05:04:54 +00:00
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(Do NOT install the ati amd sdk if you are on nvidia)
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2011-02-04 19:29:54 +00:00
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./autogen.sh # only needed if building from git repo
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2011-07-07 04:39:27 +00:00
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CFLAGS="-O3 -Wall -march=native" ./configure
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or if you haven't installed the ati files in system locations:
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CFLAGS="-O3 -Wall -march=native -I<path to AMD APP include>" LDFLAGS="-L<path to AMD APP lib/x86_64> ./configure
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2010-11-25 00:31:12 +00:00
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make
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2011-07-07 04:39:27 +00:00
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Note that you need to use /x86_64 for 64bit and /x86 for 32bit builds
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If it finds the opencl files it will inform you with
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"OpenCL: FOUND. GPU mining support enabled."
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2010-11-25 00:31:12 +00:00
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2010-11-26 21:35:54 +00:00
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Basic WIN32 build instructions (on Fedora 13; requires mingw32):
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2011-02-04 19:29:54 +00:00
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./autogen.sh # only needed if building from git repo
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2010-12-18 21:42:40 +00:00
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rm -f mingw32-config.cache
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2010-11-29 17:27:11 +00:00
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MINGW32_CFLAGS="-O3 -Wall -msse2" mingw32-configure
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2010-11-26 21:35:54 +00:00
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make
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2010-11-26 23:13:16 +00:00
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./mknsis.sh
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2011-06-24 18:56:24 +00:00
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Native WIN32 build instructions (on mingw32, on windows):
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Install AMD APP sdk, latest version
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2011-07-07 05:04:54 +00:00
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(Do NOT install the ati amd sdk if you are on nvidia)
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2011-06-24 18:56:24 +00:00
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Install mingw32
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Install libcurl, copy libcurl.m4 into /mingw/share/aclocal
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Run:
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2011-06-25 05:46:15 +00:00
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autoreconf -fvi
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2011-06-24 18:56:24 +00:00
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CFLAGS="-O3 -Wall -msse2 -I<path to AMD APP include>" LDFLAGS="-L<path to AMD APP lib/x86>" ./configure
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make
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2010-11-26 21:35:54 +00:00
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2011-07-04 10:33:31 +00:00
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Usage instructions: Run "cgminer --help" to see options.
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2010-12-20 02:47:41 +00:00
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Also many issues and FAQs are covered in the forum thread
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dedicated to this program,
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2011-07-07 04:52:32 +00:00
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http://forum.bitcoin.org/index.php?topic=21275.0
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The output line shows the following:
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[(5s):204.4 (avg):203.1 Mh/s] [Q:56 A:51 R:4 HW:0 E:91% U:2.47/m]
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Each column is as follows:
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A 5 second exponentially decaying average hash rate
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An all time average hash rate
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The number of requested work items
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The number of accepted shares
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The number of rejected shares
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The number of hardware erorrs
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The efficiency defined as the accepted shares / requested work
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The utility defines as the number of shares / minute
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