greg/pcompress
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4 commits

Author SHA1 Message Date
Moinak Ghosh
400d0bfa72 Bias fingerprint value with occurrence counts for a better sketch 
Fix latent bug when calling algo deinit in decompression code
Reduce diff threshold for slightly greater delta encoding
Limit similar buffer size difference for less wasted diffing
Change zlib compression wrapper to use faster deflateReset mechanism
Reduce optimization level for Dedupe code, it goes faster
 2012-08-08 22:40:58 +05:30
Moinak Ghosh
94563a7ecd Fix buffer size computation when allocating Rabin block array. 
Reduce memory usage of Rabin block array.
Add an SSE optimization for bsdiff.
Move integer hashing function to utils file.
More updates to README.
 2012-07-28 23:55:24 +05:30
Moinak Ghosh
fd7c7e9a65 Use 4-byte ints for header values instead of 8-byte size_t. 
Use RLE on control data if it reduces the size.
Update some comments.
Use scratch space at end of data chunk, if available.
 2012-07-20 20:53:46 +05:30
Moinak Ghosh
e788eb43b8 Implement Delta Encoding based on modified bsdiff. 
Change to more accurate Sketch value computation approach.
 2012-07-19 21:41:07 +05:30