Commit graph

13 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
a4311f2ede Fix handling of incompressible chunks.
Fix handling of various dedup failures.
Add NULL compression option for dedup only compression.
2012-08-05 22:35:51 +05:30
Moinak Ghosh
2cbcb0c9e4 Fix buffer sizing for LZ4.
Fix exit condition checks in LZ4 decompression wrapper.
2012-08-04 17:55:20 +05:30
Moinak Ghosh
bc71caffc3 Display release version in usage text. 2012-07-27 22:07:56 +05:30
Moinak Ghosh
c7cc7b469c Update chunk size computation to reduce memory usage.
Implement runtime bypass of custom allocator.
Update README.
2012-07-27 22:03:24 +05:30
Moinak Ghosh
296e2ab6b2 Add support for LZ4 compression including multi-pass LZ4.
Add missing Read_Adjusted() declaration, was causing a crash with 2GB chunks.
Fix minor cut-paste issues in comments.
2012-07-25 21:07:36 +05:30
Moinak Ghosh
53d4311534 Make LZFX Hash size dynamic.
Use smaller min rabin block when using fast compression algos.
Add missing check for algo init function return value.
2012-07-23 21:43:12 +05:30
Moinak Ghosh
8cfd54fe34 Add LZFX Compression support, a very fast lightweight compressor.
Avoid a branch in the rabin loop.
2012-07-23 00:15:08 +05:30
Moinak Ghosh
d3f5287ee5 Update License info to LGPLv3. 2012-07-07 22:18:29 +05:30
Moinak Ghosh
a1825a2305 Implement Parallel deduplication support.
Restructure compression functions to take chunk flag as argument.
Add missing error flag printing in LZMA.
Only create enough threads as needed by chunk size and file size.
Minor cleanups and variable name changes.
2012-07-01 21:44:02 +05:30
Moinak Ghosh
cbf9728278 Implement Deduplication based on Rabin Fingerprinting: work in progress.
Fix bug that prevented pipe mode from being used.
Allow building without specialized allocator.
Use basic optimize flag in debuig build.
2012-06-29 18:23:55 +05:30
Moinak Ghosh
e46d3d10b3 Add basic compression statistics and new option to display them. 2012-05-31 21:36:33 +05:30
Moinak Ghosh
07dfed7769 Initial Commit. 2012-05-28 20:19:29 +05:30