[ANN] CPUMiner-opt v3.14.3, open source optimized multi-algo CPU miner

[Joseph12]

CPUMiner-opt, the optimized CPU miner.



Supporting over 90 agorithms with many optimized for CPUs with the latest technologies:

Intel Haswell: AVX2
AMD Ryzen: AVX2, SHA
Intel Skylake X: AVX512
Intel Icelake: AVX512, SHA, and VAES

Older 64 bit CPUs with SSE2 are also supported, see below for requirements.
Click to download


New in v3.14.3
#265: more mutex changes to reduce blocking with high thread count.
#267: fixed hodl algo potential memory alignment issue,
     add warning when thread count is not valid for mining hodl algo.


New in v3.14.2
The second line of the Share Accepted log is no longer displayed,
new Xnonce log is added and other small log tweaks.
#265: Cleanup use of mutex.

New in v3.14.1
GBT and getwork log changes:

• fixed missing TTF in New Block log,
• ntime no longer byte-swapped for display in New Work log,
• fixed zero effective hash rate in Periodic Report log,
• deleted "Current block is..." log.
• [/color][/font][/size]Renamed stratum "New Job" log to "New Work" to be consistent with the solo[/font][/size]version of the log. Added more data to both versions.[/size]
  New in v3.14.0[/size]Changes to solo mining[/size]:[/font][/size]
• segwit is supported by getblocktemplate,
• longpolling is not working and is disabled,
• Periodic Report log is output,
• New Block log includes TTF estimates,
• Stratum thread no longer created when using getwork or GBT.
• [/color][/font][/size]Fixed BUG log mining sha256d.[/font][/size]
  
  Requirements:
  1. A x86_64 architecture CPU with a minimum of SSE2 support. This includes Intel Core2 and newer and AMD equivalents. AES optimizations require a CPU with AES_NI including Intel Westmere and newer and AMD equivalents. Further optimizations are available on some algos for CPUs with AVX (Sandybridge), AVX2 (Haswell, Ryzen), AVX512 (Skylake-X), SHA (Ryzen, Icelake), and VAES (Icelake).
  
  32 bit CPUs, ARM CPUs, Intel Atom, Raspberry PI, etc, are not supported.
  Mobile devices are not recommended because they aren't designed for continuous full load.
  
  2.  64 bit Windows OS is supported using the pre-compiled binaries package or may be cross-compiled using a Linux sysytem with mingw.
   FreeBSD is not actively tested but should work, YMMV.
  Apple and Android operating systems are not supported.
  Older CPUs, other architectures and operating systems may be supported by TPruvot's cpuminer-multi.
  
  
  Security warning:
  Miner programs are often flagged as malware by antivirus programs. This is usually a false positive, they are flagged simply because they are cryptocurrency miners. However, some malware has been spread using the cover that miners are known to be subject to false positives. Always be on alert. The source code of cpuminer-opt is open for anyone to inspect. If you don't trust the software don't download it.
   Some cryptographic code has been taken from trusted sources but has been modified for speed at the expense of accepted security practices. This code should not be imported into applications where secure cryptography is required.
  
  
  Errata:
  
• Old algorithms that are rarely used anymore will not get the latest optimizations.
• Cryptonight and variants are no longer supported.
• Neoscrypt crashes on Windows, use legacy version.
• Hodl requires a CPU with AES, use legacy version if without.
• Benchmark testing does not work on several algos.
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