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337 Commits 1 Branch 49 Tags
7b96368469a34252d78fa57214aa70cb8f0c9c3d
Commit Graph

149 Commits

Author SHA1 Message Date
Emmanuel Marty
03f841d04f Speed up LZSA2 compression 2019-10-08 20:26:21 +02:00
Emmanuel Marty
44df8f3d2d Add early-out, speed LZSA2 compression up further 2019-10-08 16:23:33 +02:00
Emmanuel Marty
bfb383befd Speed up LZSA2 compression 2019-10-08 09:39:18 +02:00
Emmanuel Marty
39e2a90f81 Prevent small matchfinder inefficiency 2019-10-04 11:54:54 +02:00
Emmanuel Marty
33327201f7 Fix small LZSA2 token reduction inefficiency 2019-10-03 16:58:34 +02:00
Emmanuel Marty
29c6f3b2a3 Remove erroneous else statement 2019-09-26 19:13:09 +02:00
Emmanuel Marty
e55c80a475 Clean up use of MODESWITCH_PENALTY; bump version 2019-09-24 14:43:17 +02:00
Emmanuel Marty
de0ff5d3b0 Reduce memory used for compression 2019-09-24 00:21:17 +02:00
Emmanuel Marty
249b8a4c46 Increase LZSA2 ratio and use forward parser for -m 2019-09-23 20:24:50 +02:00
Emmanuel Marty
74040890fc Speed up LZSA2 compression (same binary output) 2019-09-23 16:58:03 +02:00
Emmanuel Marty
81e15d10f0 Add extra safety checks to LZSA2 token reducer 2019-09-22 20:41:09 +02:00
Emmanuel Marty
1869d85c1f Simplify LZSA1 token reducer (same binary output) 2019-09-22 20:34:08 +02:00
Emmanuel Marty
1a4f662360 Bump version 2019-09-20 12:26:16 +02:00
Emmanuel Marty
c12e20b7fb Improve LZSA2 compression ratio 2019-09-20 12:24:27 +02:00
Emmanuel Marty
51644ad2f9 Speed LZSA2 compression up further; fix typo 2019-09-19 17:18:37 +02:00
Emmanuel Marty
1495b27f69 Speed up LZSA1 compression with forward arrivals 2019-09-19 12:57:39 +02:00
Emmanuel Marty
c052a188f2 Reduce LZSA2 forward arrivals memory use 2019-09-19 11:46:03 +02:00
Emmanuel Marty
e4076e4090 Speed LZSA2 compression up; tiny ratio increase 2019-09-19 00:11:26 +02:00
Emmanuel Marty
8b7d0ab04d Increase LZSA2 ratio. Decrease token count 2019-09-17 08:10:52 +02:00
Emmanuel Marty
b1da9c1aee Add extra bound checks in C decompressors 2019-09-12 16:19:14 +02:00
Francois Berder
4f2d7da136 Fix main return value if compressing 
Signed-off-by: Francois Berder <18538310+francois-berder@users.noreply.github.com>
 2019-08-28 09:41:54 +01:00
Francois Berder
a318ac2f83 Fix memory leak in comparestream_open 
Signed-off-by: Francois Berder <18538310+francois-berder@users.noreply.github.com>
 2019-08-28 09:40:49 +01:00
Francois Berder
da67938978 Set dictionnary to NULL in lzsa_dictionary_free 
Signed-off-by: Francois Berder <18538310+francois-berder@users.noreply.github.com>
 2019-08-28 09:39:07 +01:00
Emmanuel Marty
2d213bcff1 Bump version number 2019-08-27 13:18:23 +02:00
Emmanuel Marty
ef259e6867 Implement forward arrivals optimal parsers 2019-08-27 00:51:34 +02:00
Emmanuel Marty
1b368e71ad Fix comments, header single inclusion defines 2019-08-04 16:42:30 +02:00
Emmanuel Marty
b3aae36ecc Bump version 2019-07-28 00:25:51 +02:00
Emmanuel Marty
b613d01565 Test incompressible data with raw blocks 2019-07-26 13:30:41 +02:00
Emmanuel Marty
316dfdcdce Fix comments, remove unused vars 2019-07-26 01:12:17 +02:00
Emmanuel Marty
4835e4c26c Support backward decompression 2019-07-24 20:08:23 +02:00
Emmanuel Marty
0c4dbf2b72 Add files via upload 
Show decompression safety distance for raw blocks
 2019-07-24 15:43:44 +02:00
Emmanuel Marty
9f313d6ee6 Handle EOD in C depacker; fix #18; fix typos in usage 2019-07-23 23:28:52 +02:00
Emmanuel Marty
2d65f2a7c8 Bump version 2019-07-14 10:15:10 +02:00
Emmanuel Marty
12086b974a Fix comments, remove unused vars 2019-07-08 17:57:36 +02:00
Emmanuel Marty
59eb891394 Improve LZSA2 compression ratio further and allow incompressible raw blocks 2019-07-01 09:25:19 +02:00
Emmanuel Marty
3c8c4283c7 Use real cost of rep offset when considering a reduction; fix small bug in repmatch handling when doing reductions. 2019-06-26 13:55:00 +02:00
Emmanuel Marty
2a265f9cf9 Remove erroneous comment 2019-06-25 11:13:13 +02:00
Emmanuel Marty
7867618f87 Fix matchfinder limitation 2019-06-25 11:09:19 +02:00
Emmanuel Marty
63c261ce2d Small improvement of the LZSA2 compression ratio 2019-06-21 17:28:17 +02:00
Emmanuel Marty
71f262081b Use -m3 as an upper bound for LZSA2 2019-06-11 10:38:47 +02:00
Emmanuel Marty
43ff88477f Update tool version number 2019-06-10 14:09:23 +02:00
Emmanuel Marty
d564c1ecb8 Fixes 2019-06-08 19:03:33 +02:00
Emmanuel Marty
2e48e926a1 Fix self-tests, in-memory benchmarks in raw mode 2019-06-08 18:05:00 +02:00
Emmanuel Marty
659f6c14a9 Small improvement over 6502 LZSA2 depacker 2019-06-08 16:18:36 +02:00
Emmanuel Marty
6e1201e221 Moved 2019-06-08 13:36:40 +02:00
Emmanuel Marty
3008d47012 Moved 2019-06-08 13:36:20 +02:00
Emmanuel Marty
79ed7bf91e Further update LZSA2 format; avoid name conflicts 2019-06-08 13:35:03 +02:00
Emmanuel Marty
ddd2ac4c56 Remove file after restructuring 2019-06-07 23:18:52 +02:00
Emmanuel Marty
8ef0396b50 Remove file after restructuring 2019-06-07 23:18:43 +02:00
Emmanuel Marty
ee6ab423fc Remove file after restructuring 2019-06-07 23:18:14 +02:00