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Commits on Nov 30, 2010

• Fixed unittests

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• moved all relevant files into the gitdb folder.

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• Ajusted all links to point to new repository on github

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Commits on Nov 25, 2010

• Switched async submodule to using github instead of gitorious

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Commits on Nov 21, 2010

• Added zip_safe flag to setup.py

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• Added delta_apply.h file to make more native use of python's build system, which should hopefully fix the easy_install trouble

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• setup: added missing _delta_apply.c file to setup script, allowing the performance module to be compiled

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Commits on Nov 20, 2010

• Updated changelog for 0.5.2

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• bumped version to 0.5.2

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Commits on Nov 18, 2010

• Changed name/id of async submodule to something that doesn't look like a path

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Commits on Nov 12, 2010

• Updated to latest revision of async to support new thread-shutdown functionality

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Commits on Oct 18, 2010

• Updated algorithm paper with the latest changes - thats it for now

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• Merge branch 'memory'

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• now byte-copying a few chunks where possible when slicing, which gives a few percent of performance

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• Removed all debug code, it now runs about as fast as the previous version, but with less memory, still slower than the brute force version though

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• goooosh, it took so long to find a tiny nasty bug ... aarggghhh, lots of debug printing still in there, ... this one better be faster than anything else \!

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• Well, the virtual movement doesn't work - the algorithm really worked only with a fixed chunk size. Now the only chance we have is to allocate an appropriately sized buffer, and work through it dir…

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• When using it with deeper chains, it can still crash as it can actually (try to) shrink a chunk. This is currently not handled. In that case, we had to virtually move everything x bytes, which shou…

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• now it appears to work completely, still plenty of debug printing though

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• Its much closer to a working state now, but still not quite there. Probably just a small thing

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• Implemented apply - there are still some issues to work out though

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• Implemented connect_with which includes all the slicing functions, which now operate on the delta stream data directly, its yet to be tested though, and I am afraid of this

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Commits on Oct 17, 2010

• Worked my way up to re-encoding delta chunks, connect_with method still needs some work, intermediate commit

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• Brutally made code compile, most of the major functions are still commented out, but it should just be a matter of time until its back and working

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Commits on Oct 15, 2010

• Intermediate commit, working my way through the code, step by step. Didn't even try to compile it yet

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• First adjustment to prepare the algorithm to work on deltastreams directly, without an intermediate conversion into far-too-large DeltaChunks. The new style just uses a single index, using one-four…

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• Updated draft with latest data, finished it by defining future ways to improve the algorithm

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Commits on Oct 14, 2010

• Merge branch 'memcpy'

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• removed some debug code

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• Fixed tiny little bug that would cause our own chunk to be overridden before we make one last computation with its unaltered values

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• Implemented simple pre-pass to count offsets to help calculate where each chunk is going to be. This way, memmove becomes memcpy, and only one grow is required

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• Added initial version of a document to show possible ways to stream delta data most efficiently

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Commits on Oct 13, 2010

• Added new stream type which will request its size from its stream. This triggers full decompression, currently, but allows work to be delayed even further.If people want a stream, they usually read…

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• Merge branch 'performance'

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• Integrated new algorithm into the stream class, it will now be chosen depending on the context to figure out which one to use. For some reason, the c version that is slow for big files really rocks…

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