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@@ -1,3 +1,76 @@
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+Version 2.6.0 - July 29, 2012
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+
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+- Add scrypt documentation in the form of a separate readme.
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+- Fix build error without scrypt enabled.
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+- Limit thread concurrency for scrypt to 5xshaders if shaders is specified.
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+- Simplify repeated use of gpus[gpu]. in ocl.c
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+- Find the nearest power of 2 maximum alloc size for the scrypt buffer that can
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+successfully be allocated and is large enough to accomodate the thread
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+concurrency chosen, thus mapping it to an intensity.
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+- Don't make opt_scrypt mandatory blocking with opencl code.
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+- Update kernel versions reflecting changes in the API.
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+- Make the thread concurrency and lookup gap options hidden on the command line
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+and autotune parameters with a newly parsed --shaders option.
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+- Fix target testing with scrypt kernel as it would have been missing shares
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+below target.
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+- Always create the largest possible padbuffer for scrypt kernels even if not
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+needed for thread_concurrency, giving us some headroom for intensity levels.
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+- Use the detected maximum allocable memory on a GPU to determine the optimal
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+scrypt settings when lookup_gap and thread_concurrency parameters are not given.
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+- Check the maximum allocable memory size per opencl device.
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+- Add debugging output if buffer allocation fails for scrypt and round up
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+bufsize to a multiple of 256.
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+- Nonce testing for btc got screwed up, leading to no accepted shares. Fix it.
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+- Display size of scrypt buffer used in debug.
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+- Allow intensities up to 20 if scrypt is compiled in.
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+- Add name to scrypt kernel copyright.
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+- Allow lookup gap and thread concurrency to be passed per device and store
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+details in kernel binary filename.
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+- Ignore negative intensities for scrypt.
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+- Change the scale of intensity for scrypt kernel and fix a build warning.
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+- Correct target value passed to scrypt kernel.
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+- Use 256 output slots for kernels to allow 1 for each worksize.
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+- Test the target in the actual scrypt kernel itself saving further
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+calculations.
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+- Reinstate GPU only opencl device detection.
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+- Decrease lookup gap to 1. Does not seem to help in any way being 2.
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+- Fix build.
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+- Make pad0 and pad1 local variable in scrypt kernel.
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+- Constify input variable in scrypt kernel.
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+- Send correct values to scrypt kernel to get it finally working.
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+- Create command queue before compiling program in opencl.
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+- Fix external scrypt algo missing.
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+- Limit scrypt to 1 vector.
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+- Handle KL_SCRYPT in config write.
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+- Get rid of stuff.
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+- Don't enqueuewrite buffer at all for pad8 and pass work details around for
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+scrypt in dev_blk.
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+- Set the correct data for cldata and prepare for pad8 fixes.
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+- Get rid of spaces in arrays in scrypt kernel.
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+- Start with smaller amount of hashes in cpu mining to enable scrypt to return
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+today sometime.
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+- Free the scratchbuf memory allocated in scrypt and don't check if CPUs are
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+sick since they can't be. Prepare for khash hash rates in display.
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+- Add cpumining capability for scrypt.
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+- Set scrypt settings and buffer size in ocl.c code to be future modifiable.
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+- Cope with when we cannot set intensity low enough to meet dynamic interval by
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+inducing a forced sleep.
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+- Make dynamic and scrypt opencl calls blocking.
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+- Fix nonce submission code for scrypt.
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+- Make sure goffset is set for scrypt and drop padbuffer8 to something
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+manageable for now.
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+- Set up buffer8 for scrypt.
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+- Build fix for opt scrypt.
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+- Don't check postcalc nonce with sha256 in scrypt.
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+- Don't test nonce with sha and various fixes for scrypt.
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+- Make scrypt buffers and midstate compatible with cgminer.
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+- Use cgminer specific output array entries in scrypt kernel.
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+- Provide initial support for the scrypt kernel to compile with and mine scrypt
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+with the --scrypt option.
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+- Enable completely compiling scrypt out.
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+- Begin import of scrypt opencl kernel from reaper.
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+
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+
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BFGMiner Version 2.5.2 - July 29, 2012
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- Limit total number of curls recruited per pool to the number of mining threads
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@@ -153,6 +226,8 @@ mt_disable function.
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- Use standard cfsetispeed/cfsetospeed to set baud rate on *nix
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- miner.php split() flagged deprecated in PHP 5.3.0
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- Bugfix: Use nmsleep instead of restart_wait, so we always wait the full time
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+- Make long timeout 10seconds on bitforce for when usleep or nanosleep just
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+can't be accurate...
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BFGMiner Version 2.5.0 - July 7, 2012
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Luke Dashjr