| 1 | 2.2 |
1 | 3.5 Fri May 1 02:28:42 CEST 2009 |
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2 | - lzf_compress did sometimes write one octet past the given output |
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3 | buffer (analyzed and nice testcase by Salvatore Sanfilippo). |
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4 | |
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5 | 3.4 Tue Sep 2 06:45:00 CEST 2008 |
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6 | - the fix from 3.3 introduced a compression bug, which is fixed in |
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7 | this release (which explains the mysterious prerelease...). Thanks |
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8 | once more to Clément Calmels. |
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9 | |
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10 | 3.3 Mon Aug 25 03:17:42 CEST 2008 |
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11 | - lzf_compress could access memory after the given input buffer |
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12 | when outputting back references. reported with nice testcase |
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13 | by Clément Calmels. |
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14 | |
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15 | 3.2 Fri May 9 18:52:23 CEST 2008 |
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16 | - include a workaround for failing POSIX and real-world compliance |
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17 | on 64 bit windows (microsoft claims to support POSIX, but is far |
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18 | from it). (bug found and analysed nicely by John Lilley). |
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19 | |
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20 | 3.1 Fri Nov 30 11:33:04 CET 2007 |
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21 | - IMPORTANT BUGFIX: a too long final literal run would corrupt data |
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22 | in the encoder (this was introduced in 3.0 only, earlier versions |
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23 | are safe). |
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24 | |
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25 | 3.0 Tue Nov 13 22:13:09 CET 2007 |
| 2 | - switched to GPL v2 or any later version. |
26 | - switched to 2-clause bsd with "GPL v2 or any later version" option. |
| 3 | - speed up compression by ~10-15% in common cases |
27 | - speed up compression by ~10-15% in common cases |
| 4 | by some manual unrolling. |
28 | by some manual unrolling. |
| 5 | - import some compiler tricks from JSON::XS. |
29 | - import some compiler tricks from JSON::XS, for further speed-ups. |
| 6 | - tune hash functions depending on ULTRA_FAST or VERY_FAST settings. |
30 | - tune hash functions depending on ULTRA_FAST or VERY_FAST settings. |
| 7 | - for typical binary data (e.g. /bin/bash, memory dumps, |
31 | - for typical binary data (e.g. /bin/bash, memory dumps, |
| 8 | canterbury corpus etc.), speed is now comparable to fastlz, but |
32 | canterbury corpus etc.), speed is now comparable to fastlz, but |
| 9 | with better compression ratio. with ULTRA_FAST, it's typically |
33 | with better compression ratio. with ULTRA_FAST, it's typically |
| 10 | 3-15% faster than fastlz while still maintaining a similar ratio. |
34 | 3-15% faster than fastlz while still maintaining a similar ratio. |
| 11 | (amd64 and core 2 duo, ymmv). thanks a lot for the competition :) |
35 | (amd64 and core 2 duo, ymmv). thanks a lot for the competition :) |
| 12 | - undo inline assembly, it is no longer helpful. |
36 | - undo inline assembly in compressor, it is no longer helpful. |
| 13 | - no changes to the decompressor. |
37 | - no changes to the decompressor. |
| 14 | - use a HLOG of 16 by default now (formerly 15). |
38 | - use a HLOG of 16 by default now (formerly 15). |
| 15 | |
39 | |
| 16 | 2.1 Fri Nov 2 13:34:42 CET 2007 |
40 | 2.1 Fri Nov 2 13:34:42 CET 2007 |
| 17 | - switched to a 2-clause bsd license with GPL exception. |
41 | - switched to a 2-clause bsd license with GPL exception. |
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… | |
| 42 | - default HLOG size is now 15 (cpu caches have increased). |
66 | - default HLOG size is now 15 (cpu caches have increased). |
| 43 | - documentation fixes. |
67 | - documentation fixes. |
| 44 | |
68 | |
| 45 | 1.51 Thu Apr 14 22:15:46 CEST 2005 |
69 | 1.51 Thu Apr 14 22:15:46 CEST 2005 |
| 46 | - incorporated C♯ implementation of both the en- and decoder, |
70 | - incorporated C♯ implementation of both the en- and decoder, |
| 47 | written by "Oren J. Maurice <oymaurice@hazorea.org.il>". |
71 | written by "Oren J. Maurice". |
| 48 | You can find it in the cs/ subdirectory. |
72 | You can find it in the cs/ subdirectory. |
| 49 | - make FRST, NEXT IDX overridable if lzf_c.c is directly included |
73 | - make FRST, NEXT IDX overridable if lzf_c.c is directly included |
| 50 | in the code. |
74 | in the code. |
| 51 | |
75 | |
| 52 | 1.5 Tue Mar 8 20:23:23 CET 2005 |
76 | 1.5 Tue Mar 8 20:23:23 CET 2005 |
