emmanuel-marty
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953f2934a1
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Merge branch 'master' of https://github.com/emmanuel-marty/lzsa
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2019-04-08 09:44:19 +02:00 |
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emmanuel-marty
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9649073131
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Speed up compression
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2019-04-08 09:44:07 +02:00 |
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Emmanuel Marty
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061d24e49e
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Update stats with results for compressor v0.5.0
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2019-04-08 08:52:59 +02:00 |
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emmanuel-marty
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837b6895cf
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Further reduce the number of tokens for even better decompression speed; increase compression slightly
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2019-04-07 15:10:53 +02:00 |
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emmanuel-marty
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9c35d5115b
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When verbose, display uncompressed bytes/token ratio
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2019-04-07 15:10:17 +02:00 |
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emmanuel-marty
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be54a4f889
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Check in optimized-for-speed Z80 decompressor contributed by spke
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2019-04-07 00:01:42 +02:00 |
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emmanuel-marty
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6aa2dae4b3
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Add context to libdivsufsort, don't allocate memory during compression
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2019-04-07 00:01:22 +02:00 |
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emmanuel-marty
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e24320b23b
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Save 1 byte in 8088 decompressor
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2019-04-06 00:21:15 +02:00 |
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emmanuel-marty
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1353573af1
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Small cleanup for end-of-data handling in decompression, check commands
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2019-04-06 00:02:11 +02:00 |
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emmanuel-marty
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a785010448
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Revert token to O|LLL|MMMM; revert to always shifting the match offset by 1; set raw block end marker as a large zero-size match
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2019-04-05 23:16:05 +02:00 |
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emmanuel-marty
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06e6a14871
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Add optimization pass to reduce the number of command tokens in the compressed data blocks without changing the compression ratio
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2019-04-05 16:32:11 +02:00 |
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emmanuel-marty
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f05359b63d
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Don't write an unnecessary footer byte when emitting a raw block
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2019-04-05 12:13:51 +02:00 |
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emmanuel-marty
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1ef1ad8111
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Reorganize token byte for faster decoding on 8-bit CPUs, without affecting the compression ratio
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2019-04-05 11:58:44 +02:00 |
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Emmanuel Marty
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33b62c004a
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Update format description
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2019-04-05 10:46:24 +02:00 |
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emmanuel-marty
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c7692cf688
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Store 16-bit lengths and match offsets directly, to simplify decompression on 8-bit CPUs without affecting the compression ratio
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2019-04-05 10:42:06 +02:00 |
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emmanuel-marty
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bdc4e85948
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Fix typos in format description
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2019-04-05 09:28:28 +02:00 |
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emmanuel-marty
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c86d38ba63
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Reduce the number of literals required at the end of a compressed block
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2019-04-05 09:28:16 +02:00 |
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Emmanuel Marty
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bfaa3790d0
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Update corpus compression stats for v0.2.0
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2019-04-03 13:19:41 +02:00 |
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emmanuel-marty
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4f26bb086c
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Add LICENSE
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2019-04-03 13:06:46 +02:00 |
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emmanuel-marty
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0744ec99de
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Unpack raw blocks in 8088 decompressor
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2019-04-03 13:05:32 +02:00 |
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emmanuel-marty
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18fc4da994
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Implement raw block mode
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2019-04-03 13:05:10 +02:00 |
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emmanuel-marty
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11d1ff8cd7
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Use 3-byte file header
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2019-04-03 11:26:36 +02:00 |
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emmanuel-marty
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1f04705845
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Fix degenerate case; use full 32 bits for suffix array intervals; make EOD parsable by a decompressor as a long 0 match offset as well; use more aggressive compression settings.
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2019-04-03 10:16:12 +02:00 |
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emmanuel-marty
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fcfdbe9745
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Add autodocs to internal compressor functions
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2019-04-02 15:03:21 +02:00 |
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emmanuel-marty
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fa1ef05a31
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Merge branch 'master' of https://github.com/emmanuel-marty/lzsa
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2019-04-02 13:21:55 +02:00 |
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emmanuel-marty
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06396f5ba6
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Save 2 bytes in 8088 decompressor
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2019-04-02 13:21:45 +02:00 |
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Emmanuel Marty
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663e154429
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Add compression ratio stats for well-known corpus files
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2019-04-02 12:49:54 +02:00 |
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emmanuel-marty
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8b992bb33a
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Add autodocs to public functions in compressor and decompressor
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2019-04-02 12:12:12 +02:00 |
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Emmanuel Marty
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cd7517fb65
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Fix typo in match offsets note
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2019-04-01 21:02:08 +02:00 |
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Emmanuel Marty
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fde853e095
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Clarify the encoding of matches, fix some broken formatting.
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2019-04-01 21:00:07 +02:00 |
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marty-emmanuel
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e216b0c544
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Initial checkin
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2019-04-01 18:04:56 +02:00 |
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