| 1 | // This benchmark is provided purely for information. |
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| 2 | // It might not even compile as-is, |
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| 3 | // or not give any sensible results. |
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| 4 | // (e.g., it expects sprintf to be POSIX compliant) |
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| 5 | |
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| 6 | new results ( with outsstream vs. stringstream) |
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| 7 | |
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| 8 | bjam -sTOOLS="gcc intel-linux-7.1" -sBUILD="release" |
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| 9 | |
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| 10 | ( -sBUILD="profile" for profiling..) |
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| 11 | |
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| 12 | |
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| 13 | "_no_reuse_stream" "_stringstr" "_strstream" _no_locale |
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| 14 | |
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| 15 | intel-linux-7.1 |
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| 16 | |
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| 17 | for comp in gcc ; do |
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| 18 | echo "\n------------------- Compiler $comp : ---------------- " |
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| 19 | for var in _overloads _basicfmt _normal; do |
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| 20 | echo "\n-- Variant **" $var "**" : |
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| 21 | texe=$EXEBOOST/libs/format/benchmark/bench_format${var}/${comp}/release/bench_format${var} ; |
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| 22 | ls -l $texe; |
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| 23 | $texe |
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| 24 | done |
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| 25 | done |
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| 26 | |
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| 27 | |
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| 28 | // stringstream recréé chaque fois. |
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| 29 | -- Variant ** _normal ** : |
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| 30 | -rwx--x--x 1 sam users 61952 Sep 17 03:13 /home/data/zStore/BBoost/bin/boost//libs/format/benchmark/bench_format_normal/gcc/release/bench_format_normal |
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| 31 | printf time :2.16 |
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| 32 | ostream time : 3.69, = 1.70833 * printf |
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| 33 | parsed-once time : 8.45, = 3.91204 * printf , = 2.28997 * nullStream |
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| 34 | reused format time :10.94, = 5.06481 * printf , = 2.96477 * nullStream |
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| 35 | format time :10.97, = 5.0787 * printf , = 2.9729 * nullStream |
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| 36 | |
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| 37 | |
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| 38 | Pour le parsing. step 1 : scan_not + str2int (version Iter const& qques % mieux) |
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| 39 | |
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| 40 | ------------------- Compiler gcc : ---------------- |
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| 41 | |
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| 42 | -- Variant ** _overloads ** : |
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| 43 | -rwx--x--x 1 sam users 52864 2003-09-12 02:59 /home/sam/progs/Boost/bin/BBoost//libs/format/benchmark/bench_format_overloads/gcc/release/bench_format_overloads |
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| 44 | printf time :2.21 |
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| 45 | ostream time : 3.57, = 1.61538 * printf |
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| 46 | parsed-once time : 4.93, = 2.23077 * printf , = 1.38095 * nullStream |
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| 47 | reused format time : 9.25, = 4.18552 * printf , = 2.59104 * nullStream |
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| 48 | format time :10.33, = 4.67421 * printf , = 2.89356 * nullStream |
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| 49 | |
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| 50 | -- Variant ** _basicfmt ** : |
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| 51 | -rwx--x--x 1 sam users 52864 2003-09-12 03:00 /home/sam/progs/Boost/bin/BBoost//libs/format/benchmark/bench_format_basicfmt/gcc/release/bench_format_basicfmt |
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| 52 | printf time :2.2 |
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| 53 | ostream time : 3.57, = 1.62273 * printf |
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| 54 | parsed-once time : 4.85, = 2.20455 * printf , = 1.35854 * nullStream |
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| 55 | reused format time : 9.25, = 4.20455 * printf , = 2.59104 * nullStream |
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| 56 | format time :10.29, = 4.67727 * printf , = 2.88235 * nullStream |
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| 57 | |
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| 58 | -- Variant ** _normal ** : |
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| 59 | -rwx--x--x 1 sam users 53088 2003-09-12 03:00 /home/sam/progs/Boost/bin/BBoost//libs/format/benchmark/bench_format_normal/gcc/release/bench_format_normal |
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| 60 | printf time :2.27 |
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| 61 | ostream time : 3.47, = 1.52863 * printf |
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| 62 | parsed-once time : 4.79, = 2.11013 * printf , = 1.3804 * nullStream |
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| 63 | reused format time : 9.88, = 4.35242 * printf , = 2.84726 * nullStream |
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| 64 | format time :10.97, = 4.8326 * printf , = 3.16138 * nullStream |
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| 65 | |
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| 66 | ------------------------------------------------------------------------------------------------- |
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| 67 | Overload : int, double char * -> put_simple : |
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| 68 | #if defined(BOOST_FORMAT_OVERLOADS) |
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| 69 | template<class T> |
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| 70 | basic_format& operator%(const char* x) |
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| 71 | { return io::detail::feed_overloaded(*this,x); } |
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| 72 | template<class T> |
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| 73 | basic_format& operator%(const double x) |
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| 74 | { return io::detail::feed_overloaded(*this,x); } |
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| 75 | template<class T> |
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| 76 | basic_format& operator%(const int x) |
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| 77 | { return io::detail::feed_overloaded(*this,x); } |
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| 78 | #endif |
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| 79 | |
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| 80 | // put overloads for common types (-> faster) |
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| 81 | template< class Ch, class Tr, class T> |
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| 82 | void put_simple( T x, |
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| 83 | const format_item<Ch, Tr>& specs, |
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| 84 | std::basic_string<Ch, Tr> & res, |
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| 85 | io::basic_outsstream<Ch, Tr>& oss_ ) |
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| 86 | { |
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| 87 | typedef std::basic_string<Ch, Tr> string_t; |
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| 88 | typedef format_item<Ch, Tr> format_item_t; |
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| 89 | |
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| 90 | specs.fmtstate_.apply_on(oss_); |
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| 91 | const std::ios_base::fmtflags fl=oss_.flags(); |
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| 92 | const std::streamsize w = oss_.width(); |
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| 93 | |
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| 94 | if(w!=0) |
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| 95 | oss_.width(0); |
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| 96 | put_last( oss_, x); |
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| 97 | const Ch * res_beg = oss_.begin(); |
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| 98 | std::streamsize res_size = std::min(specs.truncate_, oss_.pcount()); |
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| 99 | int prefix_space = 0; |
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| 100 | if(specs.pad_scheme_ & format_item_t::spacepad) |
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| 101 | if( res_size == 0 || ( res_beg[0] !='+' && res_beg[0] !='-' )) |
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| 102 | prefix_space = 1; |
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| 103 | mk_str(res, res_beg, res_size, w, oss_.fill(), fl, |
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| 104 | prefix_space, (specs.pad_scheme_ & format_item_t::centered) !=0 ); |
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| 105 | clear_buffer( oss_); |
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| 106 | } // end- put_simple(..) |
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| 107 | |
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| 108 | |
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| 109 | |
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| 110 | ------------------- Compiler gcc : ---------------- |
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| 111 | |
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| 112 | -- Variant ** _overloads ** : |
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| 113 | -rwx--x--x 1 sam users 52832 2003-09-12 00:17 /home/sam/progs/Boost/bin/BBoost//libs/format/benchmark/bench_format_overloads/gcc/release/bench_format_overloads |
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| 114 | printf time :2.13 |
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| 115 | ostream time : 2.91, = 1.3662 * printf |
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| 116 | parsed-once time : 4.48, = 2.10329 * printf , = 1.53952 * nullStream |
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| 117 | reused format time : 9.42, = 4.42254 * printf , = 3.23711 * nullStream |
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| 118 | format time : 11.1, = 5.21127 * printf , = 3.81443 * nullStream |
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| 119 | |
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| 120 | RERUN |
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| 121 | printf time :2.09 |
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| 122 | ostream time : 2.92, = 1.39713 * printf |
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| 123 | parsed-once time : 4.43, = 2.11962 * printf , = 1.51712 * nullStream |
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| 124 | reused format time : 9.29, = 4.44498 * printf , = 3.18151 * nullStream |
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| 125 | format time :11.05, = 5.28708 * printf , = 3.78425 * nullStream |
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| 126 | |
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| 127 | -- Variant ** _basicfmt ** : |
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| 128 | -rwx--x--x 1 sam users 52832 2003-09-12 00:17 /home/sam/progs/Boost/bin/BBoost//libs/format/benchmark/bench_format_basicfmt/gcc/release/bench_format_basicfmt |
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| 129 | printf time :2.16 |
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| 130 | ostream time : 3.01, = 1.39352 * printf |
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| 131 | parsed-once time : 4.41, = 2.04167 * printf , = 1.46512 * nullStream |
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| 132 | reused format time : 9.61, = 4.44907 * printf , = 3.19269 * nullStream |
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| 133 | format time :11.02, = 5.10185 * printf , = 3.66113 * nullStream |
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| 134 | |
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| 135 | -- Variant ** _no_locale ** : |
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| 136 | -rwx--x--x 1 sam users 52192 2003-09-12 00:09 /home/sam/progs/Boost/bin/BBoost//libs/format/benchmark/bench_format_no_locale/gcc/release/bench_format_no_locale |
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| 137 | printf time :2.1 |
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| 138 | ostream time : 2.87, = 1.36667 * printf |
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| 139 | parsed-once time : 4.44, = 2.11429 * printf , = 1.54704 * nullStream |
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| 140 | reused format time : 8.21, = 3.90952 * printf , = 2.86063 * nullStream |
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| 141 | format time : 9.25, = 4.40476 * printf , = 3.223 * nullStream |
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| 142 | |
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| 143 | -- Variant ** _normal ** : |
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| 144 | -rwx--x--x 1 sam users 53056 2003-09-12 00:17 /home/sam/progs/Boost/bin/BBoost//libs/format/benchmark/bench_format_normal/gcc/release/bench_format_normal |
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| 145 | printf time :2.18 |
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| 146 | ostream time : 2.92, = 1.33945 * printf |
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| 147 | parsed-once time : 5.75, = 2.63761 * printf , = 1.96918 * nullStream |
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| 148 | reused format time :10.27, = 4.71101 * printf , = 3.51712 * nullStream |
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| 149 | |
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| 150 | |
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| 151 | |
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| 152 | |
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| 153 | |
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| 154 | |
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| 155 | |
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| 156 | |
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| 157 | |
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| 158 | |
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| 159 | |
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| 160 | |
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| 161 | |
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| 162 | |
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| 163 | |
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| 164 | |
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| 165 | |
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| 166 | |
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| 167 | |
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| 168 | |
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| 169 | ------------------- Compiler gcc : ---------------- |
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| 170 | |
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| 171 | -- Variant ** _normal ** : |
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| 172 | -rwx--x--x 1 sam users 49280 2003-09-10 21:12 /home/sam/progs/Boost/bin/BBoost//libs/format/benchmark/bench_format_normal/gcc/release/bench_format_normal |
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| 173 | printf time :2.16 |
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| 174 | ostream time : 2.81, = 1.30093 * printf |
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| 175 | stored format time :11.56, = 5.35185 * printf , = 4.11388 * nullStream |
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| 176 | format time :18.69, = 8.65278 * printf , = 6.65125 * nullStream |
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| 177 | |
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| 178 | -- Variant ** _static_stream ** : |
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| 179 | -rwx--x--x 1 sam users 45856 2003-09-10 21:13 /home/sam/progs/Boost/bin/BBoost//libs/format/benchmark/bench_format_static_stream/gcc/release/bench_format_static_stream |
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| 180 | printf time :2.1 |
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| 181 | ostream time : 2.79, = 1.32857 * printf |
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| 182 | stored format time : 4.5, = 2.14286 * printf , = 1.6129 * nullStream |
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| 183 | format time :10.05, = 4.78571 * printf , = 3.60215 * nullStream |
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| 184 | |
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| 185 | -- Variant ** _basicfmt ** : |
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| 186 | -rwx--x--x 1 sam users 47200 2003-09-10 21:13 /home/sam/progs/Boost/bin/BBoost//libs/format/benchmark/bench_format_basicfmt/gcc/release/bench_format_basicfmt |
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| 187 | printf time :2.22 |
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| 188 | ostream time : 2.88, = 1.2973 * printf |
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| 189 | stored format time : 4.45, = 2.0045 * printf , = 1.54514 * nullStream |
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| 190 | format time :11.67, = 5.25676 * printf , = 4.05208 * nullStream |
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| 191 | |
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| 192 | |
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| 193 | |
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| 194 | |
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| 195 | |
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| 196 | The cost of imbuing locale after each object is fed : |
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| 197 | |
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| 198 | ------------------- Compiler gcc : ---------------- |
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| 199 | -- Variant _normal : |
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| 200 | -rwx--x--x 1 sam users 49920 2003-09-10 20:23 /home/sam/progs/Boost/bin/BBoost//libs/format/benchmark/bench_format_normal/gcc/release/bench_format_normal |
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| 201 | printf time :2.21 |
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| 202 | ostream time : 3.1, = 1.40271 * printf |
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| 203 | stored format time :11.53, = 3.71935 * stream |
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| 204 | format time :18.86, = 6.08387 * stream |
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| 205 | |
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| 206 | -- Variant _static_stream : |
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| 207 | -rwx--x--x 1 sam users 43232 2003-09-10 20:24 /home/sam/progs/Boost/bin/BBoost//libs/format/benchmark/bench_format_static_stream/gcc/release/bench_format_static_stream |
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| 208 | printf time :2.19 |
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| 209 | ostream time : 3.09, = 1.41096 * printf |
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| 210 | stored format time : 4.63, = 1.49838 * stream |
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| 211 | format time :10.12, = 3.27508 * stream |
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| 212 | |
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| 213 | -- Variant _basicfmt : |
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| 214 | -rwx--x--x 1 sam users 45760 2003-09-10 20:24 /home/sam/progs/Boost/bin/BBoost//libs/format/benchmark/bench_format_basicfmt/gcc/release/bench_format_basicfmt |
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| 215 | printf time :2.23 |
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| 216 | ostream time : 3.14, = 1.40807 * printf |
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| 217 | stored format time : 4.61, = 1.46815 * stream |
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| 218 | format time :11.33, = 3.60828 * stream |
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| 219 | |
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| 220 | |
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| 221 | |
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| 222 | |
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| 223 | |
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| 224 | |
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| 225 | |
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| 226 | ------------------- Compiler gcc : ---------------- |
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| 227 | -- Variant _normal : |
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| 228 | printf time :2.15 |
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| 229 | ostream time :4.42, = 2.05581 * printf |
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| 230 | stored format time :5.85, = 1.32353 * stream |
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| 231 | format time :11.53, = 2.6086 * stream |
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| 232 | -- Variant _no_reuse_stream : |
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| 233 | printf time :2.13 |
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| 234 | ostream time :4.4, = 2.06573 * printf |
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| 235 | stored format time :11.1, = 2.52273 * stream |
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| 236 | format time :14.3, = 3.25 * stream |
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| 237 | -- Variant _stringstr : |
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| 238 | printf time :2.01 |
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| 239 | ostream time :4.42, = 2.199 * printf |
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| 240 | stored format time :7.92, = 1.79186 * stream |
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| 241 | format time :12.8, = 2.89593 * stream |
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| 242 | |
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| 243 | ------------------- Compiler intel-linux-7.1 : ---------------- |
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| 244 | -- Variant _normal : |
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| 245 | printf time :2.08 |
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| 246 | ostream time :4.49, = 2.15865 * printf |
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| 247 | stored format time :5.3, = 1.1804 * stream |
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| 248 | format time :17.8, = 3.96437 * stream |
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| 249 | -- Variant _no_reuse_stream : |
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| 250 | printf time :2.09 |
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| 251 | ostream time :4.37, = 2.09091 * printf |
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| 252 | stored format time :10.07, = 2.30435 * stream |
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| 253 | format time :14.46, = 3.30892 * stream |
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| 254 | -- Variant _stringstr : |
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| 255 | printf time :1.99 |
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| 256 | ostream time :5.16, = 2.59296 * printf |
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| 257 | stored format time :5.83, = 1.12984 * stream |
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| 258 | format time :17.42, = 3.37597 * stream |
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| 259 | |
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| 260 | |
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| 261 | |
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| 262 | |
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| 263 | // older Result with gcc-3.03 on linux : |
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| 264 | |
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| 265 | // With flag -g : |
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| 266 | |
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| 267 | /*** |
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| 268 | printf time :1.2 |
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| 269 | ostream time :2.84, = 2.36667 * printf |
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| 270 | stored format time :8.91, = 3.13732 * stream |
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| 271 | format time :15.35, = 5.40493 * stream |
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| 272 | format3 time :21.83, = 7.68662 * stream |
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| 273 | ***/ |
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| 274 | |
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| 275 | |
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| 276 | // With flag -O |
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| 277 | |
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| 278 | /*** |
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| 279 | printf time :1.16 |
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| 280 | ostream time :1.94, = 1.67241 * printf |
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| 281 | stored format time :3.68, = 1.89691 * stream |
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| 282 | format time :6.31, = 3.25258 * stream |
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| 283 | format3 time :9.04, = 4.65979 * stream |
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| 284 | ***/ |
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| 285 | |
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| 286 | // ==> that's quite acceptable. |
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| 287 | |
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| 288 | // ------------------------------------------------------------------------------ |
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