| // Copyright (c) 2001 Samuel Krempp |
| // krempp@crans.ens-cachan.fr |
| // Distributed under the Boost Software License, Version 1.0. (See accompany- |
| // ing file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| |
| // This benchmark is provided purely for information. |
| // It might not even compile as-is, |
| // or not give any sensible results. |
| // (e.g., it expects sprintf to be POSIX compliant) |
| |
| new results ( with outsstream vs. stringstream) |
| |
| bjam -sTOOLS="gcc intel-linux-7.1" -sBUILD="release" |
| |
| ( -sBUILD="profile" for profiling..) |
| |
| |
| "_no_reuse_stream" "_stringstr" "_strstream" _no_locale |
| |
| intel-linux-7.1 |
| |
| for comp in gcc ; do |
| echo "\n------------------- Compiler $comp : ---------------- " |
| for var in _overloads _basicfmt _normal; do |
| echo "\n-- Variant **" $var "**" : |
| texe=$EXEBOOST/libs/format/benchmark/bench_format${var}/${comp}/release/bench_format${var} ; |
| ls -l $texe; |
| $texe |
| done |
| done |
| |
| |
| // stringstream recréé chaque fois. |
| -- Variant ** _normal ** : |
| -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 |
| printf time :2.16 |
| ostream time : 3.69, = 1.70833 * printf |
| parsed-once time : 8.45, = 3.91204 * printf , = 2.28997 * nullStream |
| reused format time :10.94, = 5.06481 * printf , = 2.96477 * nullStream |
| format time :10.97, = 5.0787 * printf , = 2.9729 * nullStream |
| |
| |
| Pour le parsing. step 1 : scan_not + str2int (version Iter const& qques % mieux) |
| |
| ------------------- Compiler gcc : ---------------- |
| |
| -- Variant ** _overloads ** : |
| -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 |
| printf time :2.21 |
| ostream time : 3.57, = 1.61538 * printf |
| parsed-once time : 4.93, = 2.23077 * printf , = 1.38095 * nullStream |
| reused format time : 9.25, = 4.18552 * printf , = 2.59104 * nullStream |
| format time :10.33, = 4.67421 * printf , = 2.89356 * nullStream |
| |
| -- Variant ** _basicfmt ** : |
| -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 |
| printf time :2.2 |
| ostream time : 3.57, = 1.62273 * printf |
| parsed-once time : 4.85, = 2.20455 * printf , = 1.35854 * nullStream |
| reused format time : 9.25, = 4.20455 * printf , = 2.59104 * nullStream |
| format time :10.29, = 4.67727 * printf , = 2.88235 * nullStream |
| |
| -- Variant ** _normal ** : |
| -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 |
| printf time :2.27 |
| ostream time : 3.47, = 1.52863 * printf |
| parsed-once time : 4.79, = 2.11013 * printf , = 1.3804 * nullStream |
| reused format time : 9.88, = 4.35242 * printf , = 2.84726 * nullStream |
| format time :10.97, = 4.8326 * printf , = 3.16138 * nullStream |
| |
| ------------------------------------------------------------------------------------------------- |
| Overload : int, double char * -> put_simple : |
| #if defined(BOOST_FORMAT_OVERLOADS) |
| template<class T> |
| basic_format& operator%(const char* x) |
| { return io::detail::feed_overloaded(*this,x); } |
| template<class T> |
| basic_format& operator%(const double x) |
| { return io::detail::feed_overloaded(*this,x); } |
| template<class T> |
| basic_format& operator%(const int x) |
| { return io::detail::feed_overloaded(*this,x); } |
| #endif |
| |
| // put overloads for common types (-> faster) |
| template< class Ch, class Tr, class T> |
| void put_simple( T x, |
| const format_item<Ch, Tr>& specs, |
| std::basic_string<Ch, Tr> & res, |
| io::basic_outsstream<Ch, Tr>& oss_ ) |
| { |
| typedef std::basic_string<Ch, Tr> string_t; |
| typedef format_item<Ch, Tr> format_item_t; |
| |
| specs.fmtstate_.apply_on(oss_); |
| const std::ios_base::fmtflags fl=oss_.flags(); |
| const std::streamsize w = oss_.width(); |
| |
| if(w!=0) |
| oss_.width(0); |
| put_last( oss_, x); |
| const Ch * res_beg = oss_.begin(); |
| std::streamsize res_size = std::min(specs.truncate_, oss_.pcount()); |
| int prefix_space = 0; |
| if(specs.pad_scheme_ & format_item_t::spacepad) |
| if( res_size == 0 || ( res_beg[0] !='+' && res_beg[0] !='-' )) |
| prefix_space = 1; |
| mk_str(res, res_beg, res_size, w, oss_.fill(), fl, |
| prefix_space, (specs.pad_scheme_ & format_item_t::centered) !=0 ); |
| clear_buffer( oss_); |
| } // end- put_simple(..) |
| |
| |
| |
| ------------------- Compiler gcc : ---------------- |
| |
| -- Variant ** _overloads ** : |
| -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 |
| printf time :2.13 |
| ostream time : 2.91, = 1.3662 * printf |
| parsed-once time : 4.48, = 2.10329 * printf , = 1.53952 * nullStream |
| reused format time : 9.42, = 4.42254 * printf , = 3.23711 * nullStream |
| format time : 11.1, = 5.21127 * printf , = 3.81443 * nullStream |
| |
| RERUN |
| printf time :2.09 |
| ostream time : 2.92, = 1.39713 * printf |
| parsed-once time : 4.43, = 2.11962 * printf , = 1.51712 * nullStream |
| reused format time : 9.29, = 4.44498 * printf , = 3.18151 * nullStream |
| format time :11.05, = 5.28708 * printf , = 3.78425 * nullStream |
| |
| -- Variant ** _basicfmt ** : |
| -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 |
| printf time :2.16 |
| ostream time : 3.01, = 1.39352 * printf |
| parsed-once time : 4.41, = 2.04167 * printf , = 1.46512 * nullStream |
| reused format time : 9.61, = 4.44907 * printf , = 3.19269 * nullStream |
| format time :11.02, = 5.10185 * printf , = 3.66113 * nullStream |
| |
| -- Variant ** _no_locale ** : |
| -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 |
| printf time :2.1 |
| ostream time : 2.87, = 1.36667 * printf |
| parsed-once time : 4.44, = 2.11429 * printf , = 1.54704 * nullStream |
| reused format time : 8.21, = 3.90952 * printf , = 2.86063 * nullStream |
| format time : 9.25, = 4.40476 * printf , = 3.223 * nullStream |
| |
| -- Variant ** _normal ** : |
| -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 |
| printf time :2.18 |
| ostream time : 2.92, = 1.33945 * printf |
| parsed-once time : 5.75, = 2.63761 * printf , = 1.96918 * nullStream |
| reused format time :10.27, = 4.71101 * printf , = 3.51712 * nullStream |
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| ------------------- Compiler gcc : ---------------- |
| |
| -- Variant ** _normal ** : |
| -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 |
| printf time :2.16 |
| ostream time : 2.81, = 1.30093 * printf |
| stored format time :11.56, = 5.35185 * printf , = 4.11388 * nullStream |
| format time :18.69, = 8.65278 * printf , = 6.65125 * nullStream |
| |
| -- Variant ** _static_stream ** : |
| -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 |
| printf time :2.1 |
| ostream time : 2.79, = 1.32857 * printf |
| stored format time : 4.5, = 2.14286 * printf , = 1.6129 * nullStream |
| format time :10.05, = 4.78571 * printf , = 3.60215 * nullStream |
| |
| -- Variant ** _basicfmt ** : |
| -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 |
| printf time :2.22 |
| ostream time : 2.88, = 1.2973 * printf |
| stored format time : 4.45, = 2.0045 * printf , = 1.54514 * nullStream |
| format time :11.67, = 5.25676 * printf , = 4.05208 * nullStream |
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| The cost of imbuing locale after each object is fed : |
| |
| ------------------- Compiler gcc : ---------------- |
| -- Variant _normal : |
| -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 |
| printf time :2.21 |
| ostream time : 3.1, = 1.40271 * printf |
| stored format time :11.53, = 3.71935 * stream |
| format time :18.86, = 6.08387 * stream |
| |
| -- Variant _static_stream : |
| -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 |
| printf time :2.19 |
| ostream time : 3.09, = 1.41096 * printf |
| stored format time : 4.63, = 1.49838 * stream |
| format time :10.12, = 3.27508 * stream |
| |
| -- Variant _basicfmt : |
| -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 |
| printf time :2.23 |
| ostream time : 3.14, = 1.40807 * printf |
| stored format time : 4.61, = 1.46815 * stream |
| format time :11.33, = 3.60828 * stream |
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| |
| ------------------- Compiler gcc : ---------------- |
| -- Variant _normal : |
| printf time :2.15 |
| ostream time :4.42, = 2.05581 * printf |
| stored format time :5.85, = 1.32353 * stream |
| format time :11.53, = 2.6086 * stream |
| -- Variant _no_reuse_stream : |
| printf time :2.13 |
| ostream time :4.4, = 2.06573 * printf |
| stored format time :11.1, = 2.52273 * stream |
| format time :14.3, = 3.25 * stream |
| -- Variant _stringstr : |
| printf time :2.01 |
| ostream time :4.42, = 2.199 * printf |
| stored format time :7.92, = 1.79186 * stream |
| format time :12.8, = 2.89593 * stream |
| |
| ------------------- Compiler intel-linux-7.1 : ---------------- |
| -- Variant _normal : |
| printf time :2.08 |
| ostream time :4.49, = 2.15865 * printf |
| stored format time :5.3, = 1.1804 * stream |
| format time :17.8, = 3.96437 * stream |
| -- Variant _no_reuse_stream : |
| printf time :2.09 |
| ostream time :4.37, = 2.09091 * printf |
| stored format time :10.07, = 2.30435 * stream |
| format time :14.46, = 3.30892 * stream |
| -- Variant _stringstr : |
| printf time :1.99 |
| ostream time :5.16, = 2.59296 * printf |
| stored format time :5.83, = 1.12984 * stream |
| format time :17.42, = 3.37597 * stream |
| |
| |
| |
| |
| // older Result with gcc-3.03 on linux : |
| |
| // With flag -g : |
| |
| /*** |
| printf time :1.2 |
| ostream time :2.84, = 2.36667 * printf |
| stored format time :8.91, = 3.13732 * stream |
| format time :15.35, = 5.40493 * stream |
| format3 time :21.83, = 7.68662 * stream |
| ***/ |
| |
| |
| // With flag -O |
| |
| /*** |
| printf time :1.16 |
| ostream time :1.94, = 1.67241 * printf |
| stored format time :3.68, = 1.89691 * stream |
| format time :6.31, = 3.25258 * stream |
| format3 time :9.04, = 4.65979 * stream |
| ***/ |
| |
| // ==> that's quite acceptable. |
| |
| // ------------------------------------------------------------------------------ |
