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@@ -1,3 +1,89 @@
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+BFGMiner Version 2.5.0 - July 7, 2012
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+
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+- Make disabling BFL nonce range support a warning since it has to be explicitly
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+enabled on the command line now.
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+- miner.php allow renaming table headers
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+- Make bitforce nonce range support a command line option --bfl-range since
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+enabling it decrease hashrate by 1%.
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+- Add sanity checking to make sure we don't make sleep_ms less than 0 in
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+bitforce.
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+- The fastest minirig devices need a significantly smaller starting sleep time.
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+- Use a much shorter initial sleep time to account for faster devices and nonce
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+range working, and increase it if nonce range fails to work.
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+- Use nmsleep instead of usleep in bitforce.
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+- Provide a ms based sleep function that uses nanosleep to avoid the inaccuracy
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+of usleep on SMP systems.
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+- delay_time_ms is always set so need not be initialised in bitforce.
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+- Increase bitforce timeout to 10 seconds.
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+- Add more hysteresis and poll ~5 times to allow for timer delays in bitforce
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+devices.
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+- miner.php allow alternating line colours (off by default)
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+- Display the actual duration of wait when it is greater than the cutoff.
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+- Set nonce to maximum once we determine nonce range support is broken.
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+- Initial wait time is always known so no need to zero it beforehand in
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+bitforce.
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+- No point counting wait time until the work is actually sent to bitforce
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+devices.
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+- Use string comparison functions instead of explicit comparisons.
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+- Account for wait_ms time when nonce_range is in use on BFL.
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+- Split nonces up into 1/5 chunks when nonce range is supported.
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+- limit clear buffer iterations.
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+- Ad fd check to clear buffer.
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+- miner.php remove incorrect 'DATE' error message
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+- miner.php allow summary header in custom pages
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+- Disable nonce range support in BFL when broken support is detected.
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+- Restart_wait is only called with a ms value so incorporate that into the
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+function.
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+- Only try to adjust dev width when curses is built in.
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+- miner.php define custom sum fields as a simple array
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+- Fix off-by-one error in nonce increment in bfl.
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+- Use BE when setting nonce in bitforce nonce range work.
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+- Enable nonce range in the normal init sequence for bfl.
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+- Queue extra work at 2/3 differently depending on whether we're using nonce
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+range or not.
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+- Initially enable support for nonce range support on bfl, splitting nonces up
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+into 3/4 size and only disable it if it fails on work submit.
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+- Attempt to detect nonce range support in BFL by sending work requring its
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+support.
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+- Limit retrying on busy for up to BITFORCE_TIMEOUT_MS
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+- Attempt to initialise while bitforce device returns BUSY.
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+- Extend length of string that can be passed to BFL devices.
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+- Fix signedness warning.
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+- Adjust device width column to be consistent.
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+- Use cgpu-> not gpus[] in watchdog thread.
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+- Add api stats (sleep time)
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+- Timing tweaks Added long and short timeouts, short for detecting throttling,
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+long to give up totally. Reset sleep time when device re-initialised Still check
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+results after timeout Back up a larger time if result on first poll.
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+- Add API Notify counter 'Comms Error'
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+- Style police on api.c
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+- Do all logging outside of the bitforce mutex locking to avoid deadlocks.
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+- Remove applog call from bfwrite to prevent grabbing nested mutexes.
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+- Bitforce style changes.
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+- Minor style changes.
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+- Remove needless roundl define.
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+- Made JSON error message verbose.
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+- Fine-tune timing adjustment. Also remove old work_restart timing.
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+- Check for gpu return times of >= 0, not just 0, to fix intensity dropping to
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+-10.
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+- Restart is zeroed in the mining thread so no need to do it inside the bitforce
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+code.
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+- More improvements to comms. BFL return nothing when throttling, so should not
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+be considered an error. Instead repeat with a longer delay.
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+- Polling every 10ms there's not much point checking the pthread_cond_timedwait
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+as it just adds overhead. Simply check the value of work_restart in the bfl main
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+polling loop.
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+- Use a pthread conditional that is broadcast whenever work restarts are
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+required. Create a generic wait function waiting a specified time on that
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+conditional that returns if the condition is met or a specified time passed to
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+it has elapsed. Use this to do smarter polling in bitforce to abort work, queue
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+more work, and check for results to minimise time spent working needlessly.
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+- Add busy time to wait time.
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+- api.c put version up to 1.14
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+- Add tiny delay after writing to BFL Change BFL errors to something more human
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+readable Send work busy re-tries after 10ms delay
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+
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+
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BFGMiner Version 2.4.4 - July 1, 2012
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- Fix builds on non gnu platforms.
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Luke Dashjr