A new CPU miner is now available, making use of the new ‘getwork’ RPC command.
In the beginning, this is intended largely to demonstrate a ‘getwork’ miner. It is written in straight C, with minimal dependencies (libcurl, jansson).
It has successfully generated blocks on testnet, mainnet and almost all pools.
Linux/BSD release tarball: http://yyz.us/bitcoin/cpuminer-1.0.2.tar.gz
Windows installer: http://yyz.us/bitcoin/cpuminer-installer-1.0.2.zip
git repository: git://github.com/jgarzik/cpuminer.git
Contributions welcomed! (GPL v2 license)
You should try it with tcatm’s 4-way SSE2 SHA in sha256.cpp. It compiles fine as a C file, just rename sha256.cpp to sha256.c. I was able to get it to work in simple tests on Windows, but not when linked in with Bitcoin. It may have a better chance of working as part of a C program instead of C++.
Currently it’s only enabled in the Linux build, so if you get it to work you could make it available to Windows users. It’s about 100% speedup on AMD CPUs.
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