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NEWS
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Version 2.3.2 - Jul 10, 2013
- Add optimizations for AVX2-capable x86-64 processors
- Ensure that the output stream is flushed after every log message
- Fix an undefined-behavior bug in the Stratum code
Version 2.3.1 - Jun 18, 2013
- Add a --cert option for specifying an SSL certificate (martinwguy)
- Fix a bug that only made SHA-256d mining work at difficulty 1
- Fix a couple of compatibility issues with some Stratum servers
Version 2.3 - Jun 12, 2013
- Add support for the Stratum mining protocol
- Automatically switch to Stratum if the mining server supports
the X-Stratum extension, unless --no-stratum is used
- Set CPU affinity on FreeBSD (lye)
- Fix a bug in libcurl initialization (martinwguy)
Version 2.2.3 - Aug 5, 2012
- Add optimized ARM NEON code for scrypt and SHA-256d
- Add a --benchmark option that allows offline testing
- Support for the X-Reject-Reason extension
Version 2.2.2 - Jun 7, 2012
- Various performance improvements for x86 and x86-64
- Optimize scrypt for ARMv5E and later processors
- Set the priority of miner threads to idle on Windows
- Add an option to start minerd as a daemon on POSIX systems
Version 2.2.1 - May 2, 2012
- Add optimized code for ARM processors
- Support for building on NetBSD and OpenBSD
- Various compatibility fixes for AIX (pontius)
Version 2.2 - Apr 2, 2012
- Add an optimized SHA-256d algorithm, with specialized code
for x86 and x86-64 and support for AVX and XOP instructions
- Slight performance increase for scrypt on x86 and x86-64
- The default timeout is now 270 seconds
Version 2.1.5 - Mar 7, 2012
- Add optimizations for AVX-capable x86-64 processors
- Assume HTTP if no protocol is specified for the mining server
- Fix MinGW compatibility issues and update build instructions
- Add support for building on Solaris using gcc (pontius)
Version 2.1.4 - Feb 28, 2012
- Implement 4-way SHA-256 on x86-64
- Add TCP keepalive to long polling connections
- Support HTTP and SOCKS proxies via the --proxy option
- Username and password are no longer mandatory
- Add a script that makes assembly code compatible with old versions
of the GNU assembler that do not support macros
Version 2.1.3 - Feb 12, 2012
- Smart handling of long polling failures: switch to short scan time
if long polling fails, and only try to reactivate it if the server
continues to advertise the feature in HTTP headers
- Add "X-Mining-Extensions: midstate" to HTTP headers (p2k)
- Add support for the "submitold" extension, used by p2pool
- It is now possible to specify username and password in the URL,
like this: http://username:password@host:port/
- Add a --version option, and clean up --help output
- Avoid division by zero when computing hash rates
- Handle empty responses properly (TimothyA)
- Eliminate the delay between starting threads
Version 2.1.2 - Jan 26, 2012
- Do not submit work that is known to be stale
- Allow miner threads to ask for new work if the current one is at least
45 seconds old and long polling is enabled
- Refresh work when long polling times out
- Fix minor speed regression
- Modify x86-64 code to make it compatible with older versions of binutils
Version 2.1.1 - Jan 20, 2012
- Handle network errors properly
- Make scantime retargeting more accurate
Version 2.1 - Jan 19, 2012
- Share the same work among all threads
- Do not ask for new work if the current one is not expired
- Do not discard the work returned by long polling
Version 2.0 - Jan 16, 2012
- Change default port to 9332 for Litecoin and remove default credentials
- Add 'scrypt' as the default algorithm and remove other algorithms (ArtForz)
- Optimize scrypt for x86 and x86-64
- Make scantime retargeting less granular (ArtForz)
- Test the whole hash instead of just looking at the high 32 bits
- Add configurable timeout, with a default of 180 seconds
- Add share summary output (inlikeflynn)
- Fix priority and CPU count detection on Windows
- Fix parameters -u and -p, and add short options -o and -O
Version 1.0.2 - Jun 13, 2011
- Linux x86_64 optimisations - Con Kolivas
- Optimise for x86_64 by default by using sse2_64 algo
- Detects CPUs and sets number of threads accordingly
- Uses CPU affinity for each thread where appropriate
- Sets scheduling policy to lowest possible
- Minor performance tweaks
Version 1.0.1 - May 14, 2011
- OSX support
Version 1.0 - May 9, 2011
- jansson 2.0 compatibility
- correct off-by-one in date (month) display output
- fix platform detection
- improve yasm configure bits
- support full URL, in X-Long-Polling header
Version 0.8.1 - March 22, 2011
- Make --user, --pass actually work
- Add User-Agent HTTP header to requests, so that server operators may
more easily identify the miner client.
- Fix minor bug in example JSON config file
Version 0.8 - March 21, 2011
- Support long polling: http://deepbit.net/longpolling.php
- Adjust max workload based on scantime (default 5 seconds,
or 60 seconds for longpoll)
- Standardize program output, and support syslog on Unix platforms
- Suport --user/--pass options (and "user" and "pass" in config file),
as an alternative to the current --userpass
Version 0.7.2 - March 14, 2011
- Add port of ufasoft's sse2 assembly implementation (Linux only)
This is a substantial speed improvement on Intel CPUs.
- Move all JSON-RPC I/O to separate thread. This reduces the
number of HTTP connections from one-per-thread to one, reducing resource
usage on upstream bitcoind / pool server.
Version 0.7.1 - March 2, 2011
- Add support for JSON-format configuration file. See example
file example-cfg.json. Any long argument on the command line
may be stored in the config file.
- Timestamp each solution found
- Improve sha256_4way performance. NOTE: This optimization makes
the 'hash' debug-print output for sha256_way incorrect.
- Use __builtin_expect() intrinsic as compiler micro-optimization
- Build on Intel compiler
- HTTP library now follows HTTP redirects
Version 0.7 - February 12, 2011
- Re-use CURL object, thereby reuseing DNS cache and HTTP connections
- Use bswap_32, if compiler intrinsic is not available
- Disable full target validation (as opposed to simply H==0) for now
Version 0.6.1 - February 4, 2011
- Fully validate "hash < target", rather than simply stopping our scan
if the high 32 bits are 00000000.
- Add --retry-pause, to set length of pause time between failure retries
- Display proof-of-work hash and target, if -D (debug mode) enabled
- Fix max-nonce auto-adjustment to actually work. This means if your
scan takes longer than 5 seconds (--scantime), the miner will slowly
reduce the number of hashes you work on, before fetching a new work unit.
Version 0.6 - January 29, 2011
- Fetch new work unit, if scanhash takes longer than 5 seconds (--scantime)
- BeeCee1's sha256 4way optimizations
- lfm's byte swap optimization (improves via, cryptopp)
- Fix non-working short options -q, -r
Version 0.5 - December 28, 2010
- Exit program, when all threads have exited
- Improve JSON-RPC failure diagnostics and resilience
- Add --quiet option, to disable hashmeter output.
Version 0.3.3 - December 27, 2010
- Critical fix for sha256_cryptopp 'cryptopp_asm' algo
Version 0.3.2 - December 23, 2010
- Critical fix for sha256_via
Version 0.3.1 - December 19, 2010
- Critical fix for sha256_via
- Retry JSON-RPC failures (see --retry, under "minerd --help" output)
Version 0.3 - December 18, 2010
- Add crypto++ 32bit assembly implementation
- show version upon 'minerd --help'
- work around gcc 4.5.x bug that killed 4way performance
Version 0.2.2 - December 6, 2010
- VIA padlock implementation works now
- Minor build and runtime fixes
Version 0.2.1 - November 29, 2010
- avoid buffer overflow when submitting solutions
- add Crypto++ sha256 implementation (C only, ASM elided for now)
- minor internal optimizations and cleanups
Version 0.2 - November 27, 2010
- Add script for building a Windows installer
- improve hash performance (hashmeter) statistics
- add tcatm 4way sha256 implementation
- Add experimental VIA Padlock sha256 implementation
Version 0.1.2 - November 26, 2010
- many small cleanups and micro-optimizations
- build win32 exe using mingw
- RPC URL, username/password become command line arguments
- remove unused OpenSSL dependency
Version 0.1.1 - November 24, 2010
- Do not build sha256_generic module separately from cpuminer.
Version 0.1 - November 24, 2010
- Initial release.