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Update NEWS.

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Con Kolivas 2012-07-06 19:21:28 +10:00
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NEWS
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@ -1,3 +1,89 @@
Version 2.5.0 - July 6, 2012
- Make disabling BFL nonce range support a warning since it has to be explicitly
enabled on the command line now.
- miner.php allow renaming table headers
- Make bitforce nonce range support a command line option --bfl-range since
enabling it decrease hashrate by 1%.
- Add sanity checking to make sure we don't make sleep_ms less than 0 in
bitforce.
- The fastest minirig devices need a significantly smaller starting sleep time.
- Use a much shorter initial sleep time to account for faster devices and nonce
range working, and increase it if nonce range fails to work.
- Use nmsleep instead of usleep in bitforce.
- Provide a ms based sleep function that uses nanosleep to avoid the inaccuracy
of usleep on SMP systems.
- delay_time_ms is always set so need not be initialised in bitforce.
- Increase bitforce timeout to 10 seconds.
- Add more hysteresis and poll ~5 times to allow for timer delays in bitforce
devices.
- miner.php allow alternating line colours (off by default)
- Display the actual duration of wait when it is greater than the cutoff.
- Set nonce to maximum once we determine nonce range support is broken.
- Initial wait time is always known so no need to zero it beforehand in
bitforce.
- No point counting wait time until the work is actually sent to bitforce
devices.
- Use string comparison functions instead of explicit comparisons.
- Account for wait_ms time when nonce_range is in use on BFL.
- Split nonces up into 1/5 chunks when nonce range is supported.
- limit clear buffer iterations.
- Ad fd check to clear buffer.
- miner.php remove incorrect 'DATE' error message
- miner.php allow summary header in custom pages
- Disable nonce range support in BFL when broken support is detected.
- Restart_wait is only called with a ms value so incorporate that into the
function.
- Only try to adjust dev width when curses is built in.
- miner.php define custom sum fields as a simple array
- Fix off-by-one error in nonce increment in bfl.
- Use BE when setting nonce in bitforce nonce range work.
- Enable nonce range in the normal init sequence for bfl.
- Queue extra work at 2/3 differently depending on whether we're using nonce
range or not.
- Initially enable support for nonce range support on bfl, splitting nonces up
into 3/4 size and only disable it if it fails on work submit.
- Attempt to detect nonce range support in BFL by sending work requring its
support.
- Limit retrying on busy for up to BITFORCE_TIMEOUT_MS
- Attempt to initialise while bitforce device returns BUSY.
- Extend length of string that can be passed to BFL devices.
- Fix signedness warning.
- Adjust device width column to be consistent.
- Use cgpu-> not gpus[] in watchdog thread.
- Add api stats (sleep time)
- Timing tweaks Added long and short timeouts, short for detecting throttling,
long to give up totally. Reset sleep time when device re-initialised Still check
results after timeout Back up a larger time if result on first poll.
- Add API Notify counter 'Comms Error'
- Style police on api.c
- Do all logging outside of the bitforce mutex locking to avoid deadlocks.
- Remove applog call from bfwrite to prevent grabbing nested mutexes.
- Bitforce style changes.
- Minor style changes.
- Remove needless roundl define.
- Made JSON error message verbose.
- Fine-tune timing adjustment. Also remove old work_restart timing.
- Check for gpu return times of >= 0, not just 0, to fix intensity dropping to
-10.
- Restart is zeroed in the mining thread so no need to do it inside the bitforce
code.
- More improvements to comms. BFL return nothing when throttling, so should not
be considered an error. Instead repeat with a longer delay.
- Polling every 10ms there's not much point checking the pthread_cond_timedwait
as it just adds overhead. Simply check the value of work_restart in the bfl main
polling loop.
- Use a pthread conditional that is broadcast whenever work restarts are
required. Create a generic wait function waiting a specified time on that
conditional that returns if the condition is met or a specified time passed to
it has elapsed. Use this to do smarter polling in bitforce to abort work, queue
more work, and check for results to minimise time spent working needlessly.
- Add busy time to wait time.
- api.c put version up to 1.14
- Add tiny delay after writing to BFL Change BFL errors to something more human
readable Send work busy re-tries after 10ms delay
Version 2.4.4 - July 1, 2012
- Fix builds on non gnu platforms.