| Revision: | 1.1 |
| Committed: | Tue Feb 24 11:56:44 2009 UTC (16 years, 2 months ago) by loizides |
| Content type: | text/plain |
| Branch: | MAIN |
| CVS Tags: | Mit_032, Mit_031, Mit_025c_branch2, Mit_025c_branch1, Mit_030, Mit_029c, Mit_030_pre1, Mit_029a, Mit_029, Mit_029_pre1, Mit_028a, Mit_025c_branch0, Mit_028, Mit_027a, Mit_027, Mit_026, Mit_025e, Mit_025d, Mit_025c, Mit_025b, Mit_025a, Mit_025, Mit_025pre2, Mit_024b, Mit_025pre1, Mit_024a, Mit_024, Mit_023, Mit_022a, Mit_022, Mit_020d, TMit_020d, Mit_020c, Mit_021, Mit_021pre2, Mit_021pre1, Mit_020b, Mit_020a, Mit_020, Mit_020pre1, Mit_018, Mit_017, Mit_017pre3, Mit_017pre2, Mit_017pre1, V07-05-00, Mit_016, Mit_015b, Mit_015a, Mit_015, Mit_014e, Mit_014d, Mit_014c, Mit_014b, ConvRejection-10-06-09, Mit_014a, Mit_014, Mit_014pre3, Mit_014pre2, Mit_014pre1, Mit_013d, Mit_013c, Mit_013b, Mit_013a, Mit_013, Mit_013pre1, Mit_012i, Mit_012g, Mit_012f, Mit_012e, Mit_012d, Mit_012c, Mit_012b, Mit_012a, Mit_012, Mit_011a, Mit_011, Mit_010a, Mit_010, Mit_009c, Mit_009b, Mit_009a, Mit_009, Mit_008, Mit_008pre2, Mit_008pre1, HEAD |
| Branch point for: | Mit_025c_branch |
| Log Message: | Preload lib for compression improvements. |
| # | Content |
|---|---|
| 1 | /* stats1b.h -- statistics for the the LZO library |
| 2 | |
| 3 | This file is part of the LZO real-time data compression library. |
| 4 | |
| 5 | Copyright (C) 2008 Markus Franz Xaver Johannes Oberhumer |
| 6 | Copyright (C) 2007 Markus Franz Xaver Johannes Oberhumer |
| 7 | Copyright (C) 2006 Markus Franz Xaver Johannes Oberhumer |
| 8 | Copyright (C) 2005 Markus Franz Xaver Johannes Oberhumer |
| 9 | Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer |
| 10 | Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer |
| 11 | Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer |
| 12 | Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer |
| 13 | Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer |
| 14 | Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer |
| 15 | Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer |
| 16 | Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer |
| 17 | Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer |
| 18 | All Rights Reserved. |
| 19 | |
| 20 | The LZO library is free software; you can redistribute it and/or |
| 21 | modify it under the terms of the GNU General Public License as |
| 22 | published by the Free Software Foundation; either version 2 of |
| 23 | the License, or (at your option) any later version. |
| 24 | |
| 25 | The LZO library is distributed in the hope that it will be useful, |
| 26 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 27 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 28 | GNU General Public License for more details. |
| 29 | |
| 30 | You should have received a copy of the GNU General Public License |
| 31 | along with the LZO library; see the file COPYING. |
| 32 | If not, write to the Free Software Foundation, Inc., |
| 33 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 34 | |
| 35 | Markus F.X.J. Oberhumer |
| 36 | <markus@oberhumer.com> |
| 37 | http://www.oberhumer.com/opensource/lzo/ |
| 38 | */ |
| 39 | |
| 40 | |
| 41 | /* WARNING: this file should *not* be used by applications. It is |
| 42 | part of the implementation of the library and is subject |
| 43 | to change. |
| 44 | */ |
| 45 | |
| 46 | |
| 47 | #ifndef __LZO_STATS1B_H |
| 48 | #define __LZO_STATS1B_H |
| 49 | |
| 50 | #ifdef __cplusplus |
| 51 | extern "C" { |
| 52 | #endif |
| 53 | |
| 54 | |
| 55 | /*********************************************************************** |
| 56 | // Collect statistical information when compressing. |
| 57 | // Useful for finetuning the compression algorithm. |
| 58 | // Examine the symbol 'lzo1b_stats' with a debugger. |
| 59 | ************************************************************************/ |
| 60 | |
| 61 | #if defined(LZO_COLLECT_STATS) |
| 62 | # define LZO_STATS(expr) expr |
| 63 | #else |
| 64 | # define LZO_STATS(expr) ((void) 0) |
| 65 | #endif |
| 66 | |
| 67 | |
| 68 | #if defined(LZO_COLLECT_STATS) |
| 69 | |
| 70 | typedef struct |
| 71 | { |
| 72 | /* algorithm configuration */ |
| 73 | unsigned r_bits; |
| 74 | unsigned m3o_bits; |
| 75 | unsigned dd_bits; |
| 76 | unsigned clevel; |
| 77 | |
| 78 | /* internal configuration */ |
| 79 | unsigned d_bits; |
| 80 | long min_lookahead; |
| 81 | long max_lookbehind; |
| 82 | const char *compress_id; |
| 83 | |
| 84 | /* counts */ |
| 85 | long lit_runs; |
| 86 | long r0short_runs; |
| 87 | long r0fast_runs; |
| 88 | long r0long_runs; |
| 89 | long m1_matches; |
| 90 | long m2_matches; |
| 91 | long m3_matches; |
| 92 | long m4_matches; |
| 93 | long r1_matches; |
| 94 | |
| 95 | /* */ |
| 96 | long lit_run[R0MIN]; |
| 97 | long m2_match[M2_MAX_LEN + 1]; |
| 98 | long m3_match[M3_MAX_LEN + 1]; |
| 99 | #if (M3O_BITS < 8) |
| 100 | long lit_runs_after_m3_match; |
| 101 | long lit_run_after_m3_match[LZO_SIZE(8-M3O_BITS)]; |
| 102 | #endif |
| 103 | |
| 104 | /* */ |
| 105 | long matches; |
| 106 | long match_bytes; |
| 107 | long literals; |
| 108 | long literal_overhead; |
| 109 | long literal_bytes; |
| 110 | double literal_overhead_percent; |
| 111 | |
| 112 | /* */ |
| 113 | long unused_dict_entries; |
| 114 | double unused_dict_entries_percent; |
| 115 | |
| 116 | /* */ |
| 117 | long in_len; |
| 118 | long out_len; |
| 119 | } |
| 120 | lzo1b_stats_t; |
| 121 | |
| 122 | |
| 123 | void _lzo1b_stats_init(lzo1b_stats_t *lzo_stats); |
| 124 | void _lzo1b_stats_calc(lzo1b_stats_t *lzo_stats); |
| 125 | |
| 126 | extern lzo1b_stats_t * const lzo1b_stats; |
| 127 | |
| 128 | #define lzo_stats_t lzo1b_stats_t |
| 129 | #define lzo_stats lzo1b_stats |
| 130 | |
| 131 | #endif |
| 132 | |
| 133 | |
| 134 | #ifdef __cplusplus |
| 135 | } /* extern "C" */ |
| 136 | #endif |
| 137 | |
| 138 | #endif /* already included */ |
| 139 | |
| 140 | /* |
| 141 | vi:ts=4:et |
| 142 | */ |