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Bitcoin Mining Comes To Radeon Open-Source OpenCL

AMD

Published on 11 April 2013 05:29 AM EDT
Written by Michael Larabel in AMD
31 Comments

With the increasing popularity as of late with the Bitcoin virtual currency, the open-source Radeon Gallium3D OpenCL stack has advanced to support Bitcoin mining.

Tom Stellard of AMD has spent the past few days working on getting the Radeon Gallium3D OpenCL stack in a state where it works to run the "bfgminer" Bitcoin mining application running on the open-source Radeon HD driver. After a few days, he has it working with some new code, but the performance isn't all that great.

Carrying out Bitcoin mining for now on the open-source GPU driver requires using Tom's own (non-stock) branches of Mesa, LLVM, and the libclc OpenCL library. There's also a patch needed against the bfgminer software itself. When using the code and patches, the application should work for Radeon HD 5000 "Evergreen" and Radeon HD 6000 "Northern Islands" (but pre-HD6900 Cayman) graphics cards.

When it's all setup, Tom writes, "the compiled kernel code for bfgminer is not very well optimized yet and there are still a lot of things that can be done to improve performance." So for now anyone serious about Bitcoin mining is still much better off using the proprietary NVIDIA and AMD graphics drivers with their much better GPGPU implementations.

Those interested in the Bitcoin Radeon Gallium3D mining details can find the information on Tom Stellard's blog.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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