| 1 | |
1 | |
| 2 | TODO: try unaligned copy again in decompressor |
2 | TODO: try unaligned copy again in decompressor |
| 3 | TODO: allow size-optimised binaries by avoiding unrolling |
3 | TODO: allow size-optimised binaries by avoiding unrolling |
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4 | TODO: implement lzf_c_best in lzf. |
| 4 | |
5 | |
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6 | 3.8 (unreleased) |
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7 | - support a state arg for lzf_c_best. |
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8 | |
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9 | 3.7 (unreleased) |
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10 | - add lzf_c_best.c, a slower but better compressor. |
| 5 | - switch to a multiplicative hash (developed with Steinar Gunderson), |
11 | - switch to a multiplicative hash (developed with Steinar Gunderson), |
| 6 | which is faster on modern cpus and compresses a bit better. The old |
12 | which is faster on modern cpus and compresses a bit better. The old |
| 7 | hash function which uses only shifts is still available. |
13 | hash function which uses only shifts is still available. |
| 8 | - allow user configurable hash table slots, which makes it possible |
14 | - allow user configurable hash table slots, which makes it possible |
| 9 | to use e.g. 16 bit offsets for a smaller hashtable (if your data is |
15 | to use e.g. 16 bit offsets for a smaller hashtable (if your data is |
| 10 | always < 64kb). |
16 | always < 64kb). |
| 11 | - use _WIN32, not WIN32, when testing for windows (fails with bcc), |
17 | - use _WIN32, not WIN32, when testing for windows (fails with bcc), |
| 12 | patch by Tamas Tevesz. |
18 | patch by Tamas Tevesz. |
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19 | - try to port to win64+gcc, which is non-posix but doesn't have _int64 |
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20 | (reported by Maciej Adamczyk). |
| 13 | |
21 | |
| 14 | 3.6 Mon Feb 7 17:37:31 CET 2011 |
22 | 3.6 Mon Feb 7 17:37:31 CET 2011 |
| 15 | - fixed hash calculation in C♯ version (Tiago Freitas Leal). |
23 | - fixed hash calculation in C♯ version (Tiago Freitas Leal). |
| 16 | - unroll copy for small sizes, use memcpy for larger sizes, |
24 | - unroll copy for small sizes, use memcpy for larger sizes, |
| 17 | greatly speeding up decompression in most cases. |
25 | greatly speeding up decompression in most cases. |
| … | |
… | |
| 64 | 2.1 Fri Nov 2 13:34:42 CET 2007 |
72 | 2.1 Fri Nov 2 13:34:42 CET 2007 |
| 65 | - switched to a 2-clause bsd license with GPL exception. |
73 | - switched to a 2-clause bsd license with GPL exception. |
| 66 | - get rid of memcpy. |
74 | - get rid of memcpy. |
| 67 | - tentatively use rep movsb on x86 and x86_64 (gcc only) for a |
75 | - tentatively use rep movsb on x86 and x86_64 (gcc only) for a |
| 68 | moderate speed improvement. |
76 | moderate speed improvement. |
| 69 | - applied patch by Kein-Hong Man to maske lzf.c compile under |
77 | - applied patch by Kein-Hong Man to make lzf.c compile under |
| 70 | the crippled mingw32 environment. |
78 | the crippled mingw32 environment. |
| 71 | |
79 | |
| 72 | 2.0 Fri Feb 16 23:11:18 CET 2007 |
80 | 2.0 Fri Feb 16 23:11:18 CET 2007 |
| 73 | - replaced lzf demo by industrial-strength lzf utility with behaviour |
81 | - replaced lzf demo by industrial-strength lzf utility with behaviour |
| 74 | similar other compression utilities. Thanks for Stefan Traby for |
82 | similar other compression utilities. Thanks for Stefan Traby for |
