1 | 2.2 |
1 | 3.4 Tue Sep 2 06:45:00 CEST 2008 |
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2 | - the fix from 3.3 introduced a compression bug, which is fixed in |
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3 | this release (which explains the mysterious prerelease...). thanls |
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4 | once more to Clément Calmels. |
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5 | |
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6 | 3.3 Mon Aug 25 03:17:42 CEST 2008 |
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7 | - lzf_compress could access memory after the given input buffer |
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8 | when outputting back references. reported with nice testcase |
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9 | by Clément Calmels. |
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10 | |
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11 | 3.2 Fri May 9 18:52:23 CEST 2008 |
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12 | - include a workaround for failing POSIX and real-world compliance |
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13 | on 64 bit windows (microsoft claims to support POSIX, but is far |
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14 | from it). (bug found and analysed nicely by John Lilley). |
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15 | |
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16 | 3.1 Fri Nov 30 11:33:04 CET 2007 |
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17 | - IMPORTANT BUGFIX: a too long final literal run would corrupt data |
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18 | in the encoder (this was introduced in 3.0 only, earlier versions |
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19 | are safe). |
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20 | |
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21 | 3.0 Tue Nov 13 22:13:09 CET 2007 |
2 | - switched to GPL v2 or any later version. |
22 | - switched to 2-clause bsd with "GPL v2 or any later version" option. |
3 | - speed up compression by ~10-15% in common cases |
23 | - speed up compression by ~10-15% in common cases |
4 | by some manual unrolling. |
24 | by some manual unrolling. |
5 | - import some compiler tricks from JSON::XS. |
25 | - import some compiler tricks from JSON::XS, for further speed-ups. |
6 | - tune hash functions depending on ULTRA_FAST or VERY_FAST settings. |
26 | - tune hash functions depending on ULTRA_FAST or VERY_FAST settings. |
7 | - for typical binary data (e.g. /bin/bash, memory dumps, |
27 | - for typical binary data (e.g. /bin/bash, memory dumps, |
8 | canterbury corpus etc.), speed is now comparable to fastlz, but |
28 | canterbury corpus etc.), speed is now comparable to fastlz, but |
9 | with better compression ratio. with ULTRA_FAST, it's typically |
29 | with better compression ratio. with ULTRA_FAST, it's typically |
10 | 3-15% faster than fastlz while still maintaining a similar ratio. |
30 | 3-15% faster than fastlz while still maintaining a similar ratio. |
11 | (amd64 and core 2 duo, ymmv). thanks a lot for the competition :) |
31 | (amd64 and core 2 duo, ymmv). thanks a lot for the competition :) |
12 | - undo inline assembly, it is no longer helpful. |
32 | - undo inline assembly in compressor, it is no longer helpful. |
13 | - no changes to the decompressor. |
33 | - no changes to the decompressor. |
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34 | - use a HLOG of 16 by default now (formerly 15). |
14 | |
35 | |
15 | 2.1 Fri Nov 2 13:34:42 CET 2007 |
36 | 2.1 Fri Nov 2 13:34:42 CET 2007 |
16 | - switched to a 2-clause bsd license with GPL exception. |
37 | - switched to a 2-clause bsd license with GPL exception. |
17 | - get rid of memcpy. |
38 | - get rid of memcpy. |
18 | - tentatively use rep movsb on x86 and x86_64 (gcc only) for a |
39 | - tentatively use rep movsb on x86 and x86_64 (gcc only) for a |
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41 | - default HLOG size is now 15 (cpu caches have increased). |
62 | - default HLOG size is now 15 (cpu caches have increased). |
42 | - documentation fixes. |
63 | - documentation fixes. |
43 | |
64 | |
44 | 1.51 Thu Apr 14 22:15:46 CEST 2005 |
65 | 1.51 Thu Apr 14 22:15:46 CEST 2005 |
45 | - incorporated C♯ implementation of both the en- and decoder, |
66 | - incorporated C♯ implementation of both the en- and decoder, |
46 | written by "Oren J. Maurice <oymaurice@hazorea.org.il>". |
67 | written by "Oren J. Maurice". |
47 | You can find it in the cs/ subdirectory. |
68 | You can find it in the cs/ subdirectory. |
48 | - make FRST, NEXT IDX overridable if lzf_c.c is directly included |
69 | - make FRST, NEXT IDX overridable if lzf_c.c is directly included |
49 | in the code. |
70 | in the code. |
50 | |
71 | |
51 | 1.5 Tue Mar 8 20:23:23 CET 2005 |
72 | 1.5 Tue Mar 8 20:23:23 CET 2005 |