From f03834278ae9d1b5fd55e7cc628817088bef6f99 Mon Sep 17 00:00:00 2001 From: Moinak Ghosh Date: Mon, 27 Aug 2012 22:53:39 +0530 Subject: [PATCH] Bump version to 0.8. Update Changelog for 0.8 beta release. --- Changelog | 30 +++++++++++++++++++++++++++++- pcompress.h | 2 +- 2 files changed, 30 insertions(+), 2 deletions(-) diff --git a/Changelog b/Changelog index a090c46..cf2dffd 100644 --- a/Changelog +++ b/Changelog @@ -1,5 +1,33 @@ +== 0.8 Beta release == +Add support for libbsc a high-performance block sorting compressor. +Enable external algorithm threading for single chunk compressed files. +Add config script to generate Makefile based on flags. +Add install target and installation readme file. +Improve memory efficiency when total file size < total size of chunks. +Fix freeing of Zlib structures. +Add LZP Pre-Compression support ported from libbsc. +Add generic pre-processing wrappers for future support of other pre-processors. +Clean up computation of Rabin block sizes. +Compute Rabin scratch space accurately to avoid RAM wastage. +Delay allocation of per-thread chunks for performance and memory efficiency. +Avoid allocating double-buffer for single-chunk files. +Introduce lzmaMt option to indicate multithreaded LZMA. +Add multithreaded LZMA port from p7zip +Compute balanced thread count between chunk threads and algo threads +Generic way to handle querying algorithm parameters +Clean up unnecessary includes +Speed up sort comparator function. +Reduce memory consumption and improve performance in dedupe +Re-introduce crc64 for dedup blocks to avoid wasted memcpy-s +Restructe block array to be an array of pointers allocated on demand +Fix a corner case issue when splitting chunks at a dedup boundary +Improve Rabin computations using an irreducible polynomial +Slight improvement to similarity computation +A simple mechanism to include DEBUG mode stats +Implement secondary sketch based on character counts to refine similarity checksum. +Proper checksum update for last block. == 0.7 Beta release == -Bump version to 0.6 +Bump version to 0.7 Fix handling of compression flags in adaptive mode Fix error handling when chunk size is too small for dedupe Fix initialization of adaptive modes. diff --git a/pcompress.h b/pcompress.h index 7d8a490..ea90b16 100644 --- a/pcompress.h +++ b/pcompress.h @@ -40,7 +40,7 @@ extern "C" { #define VERSION 3 #define FLAG_DEDUP 1 #define FLAG_SINGLE_CHUNK 2 -#define UTILITY_VERSION 0.7 +#define UTILITY_VERSION 0.8 #define COMPRESSED 1 #define UNCOMPRESSED 0