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source: downloads/boost_1_34_1/libs/format/benchmark/results.txt @ 47

Last change on this file since 47 was 29, checked in by landauf, 16 years ago

updated boost from 1_33_1 to 1_34_1
File size: 11.4 KB
Line 
1// Copyright (c) 2001 Samuel Krempp
2//                  krempp@crans.ens-cachan.fr
3// Distributed under the Boost Software License, Version 1.0. (See accompany-
4// ing file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
5
6// This benchmark is provided purely for information.
7// It might not even compile as-is,
8//   or not give any sensible results.
9//      (e.g., it expects sprintf to be POSIX compliant)
10
11 new results ( with  outsstream vs. stringstream)
12
13bjam -sTOOLS="gcc intel-linux-7.1" -sBUILD="release"
14
15( -sBUILD="profile"  for profiling..)
16
17
18 "_no_reuse_stream" "_stringstr" "_strstream" _no_locale
19
20intel-linux-7.1
21
22for comp in gcc  ; do
23   echo  "\n------------------- Compiler  $comp : ---------------- "
24   for var in _overloads _basicfmt _normal; do
25     echo "\n-- Variant  **" $var "**" :
26      texe=$EXEBOOST/libs/format/benchmark/bench_format${var}/${comp}/release/bench_format${var} ;
27      ls -l $texe;
28      $texe
29   done
30done
31
32
33// stringstream recréé chaque fois.
34-- Variant  ** _normal ** :
35-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
36printf time         :2.16
37ostream time        : 3.69,  = 1.70833 * printf
38parsed-once time    : 8.45,  = 3.91204 * printf ,  = 2.28997 * nullStream
39reused format time  :10.94,  = 5.06481 * printf ,  = 2.96477 * nullStream
40format time         :10.97,  = 5.0787 * printf ,  = 2.9729 * nullStream
41
42
43Pour le parsing. step 1 : scan_not + str2int (version Iter const& qques % mieux)
44
45------------------- Compiler  gcc : ----------------
46
47-- Variant  ** _overloads ** :
48-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
49printf time         :2.21
50ostream time        : 3.57,  = 1.61538 * printf
51parsed-once time    : 4.93,  = 2.23077 * printf ,  = 1.38095 * nullStream
52reused format time  : 9.25,  = 4.18552 * printf ,  = 2.59104 * nullStream
53format time         :10.33,  = 4.67421 * printf ,  = 2.89356 * nullStream
54
55-- Variant  ** _basicfmt ** :
56-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
57printf time         :2.2
58ostream time        : 3.57,  = 1.62273 * printf
59parsed-once time    : 4.85,  = 2.20455 * printf ,  = 1.35854 * nullStream
60reused format time  : 9.25,  = 4.20455 * printf ,  = 2.59104 * nullStream
61format time         :10.29,  = 4.67727 * printf ,  = 2.88235 * nullStream
62
63-- Variant  ** _normal ** :
64-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
65printf time         :2.27
66ostream time        : 3.47,  = 1.52863 * printf
67parsed-once time    : 4.79,  = 2.11013 * printf ,  = 1.3804 * nullStream
68reused format time  : 9.88,  = 4.35242 * printf ,  = 2.84726 * nullStream
69format time         :10.97,  = 4.8326 * printf ,  = 3.16138 * nullStream
70
71-------------------------------------------------------------------------------------------------
72Overload : int, double char * -> put_simple :
73#if defined(BOOST_FORMAT_OVERLOADS)
74        template<class T> 
75        basic_format&   operator%(const char* x)
76            { return io::detail::feed_overloaded(*this,x); }
77        template<class T> 
78        basic_format&   operator%(const double x)
79            { return io::detail::feed_overloaded(*this,x); }
80        template<class T> 
81        basic_format&   operator%(const int x)
82            { return io::detail::feed_overloaded(*this,x); }
83#endif
84
85    // put overloads for common types (-> faster)
86    template< class Ch, class Tr, class T>
87    void put_simple( T x,
88                     const format_item<Ch, Tr>& specs,
89                     std::basic_string<Ch, Tr> & res,
90                     io::basic_outsstream<Ch, Tr>& oss_ )
91    {
92        typedef std::basic_string<Ch, Tr> string_t;
93        typedef format_item<Ch, Tr>  format_item_t;
94   
95        specs.fmtstate_.apply_on(oss_);
96        const std::ios_base::fmtflags fl=oss_.flags();
97        const std::streamsize w = oss_.width();
98     
99        if(w!=0)
100            oss_.width(0);
101        put_last( oss_, x);
102        const Ch * res_beg = oss_.begin();
103        std::streamsize res_size = std::min(specs.truncate_, oss_.pcount());
104        int prefix_space = 0;
105        if(specs.pad_scheme_ & format_item_t::spacepad)
106            if( res_size == 0 ||   ( res_beg[0] !='+' && res_beg[0] !='-'  ))
107                prefix_space = 1;
108        mk_str(res, res_beg, res_size, w, oss_.fill(), fl,
109               prefix_space, (specs.pad_scheme_ & format_item_t::centered) !=0 );
110        clear_buffer( oss_);
111    } // end- put_simple(..)
112
113
114
115------------------- Compiler  gcc : ----------------
116
117-- Variant  ** _overloads ** :
118-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
119printf time         :2.13
120ostream time        : 2.91,  = 1.3662 * printf
121parsed-once time    : 4.48,  = 2.10329 * printf ,  = 1.53952 * nullStream
122reused format time  : 9.42,  = 4.42254 * printf ,  = 3.23711 * nullStream
123format time         : 11.1,  = 5.21127 * printf ,  = 3.81443 * nullStream
124
125RERUN
126printf time         :2.09
127ostream time        : 2.92,  = 1.39713 * printf
128parsed-once time    : 4.43,  = 2.11962 * printf ,  = 1.51712 * nullStream
129reused format time  : 9.29,  = 4.44498 * printf ,  = 3.18151 * nullStream
130format time         :11.05,  = 5.28708 * printf ,  = 3.78425 * nullStream
131
132-- Variant  ** _basicfmt ** :
133-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
134printf time         :2.16
135ostream time        : 3.01,  = 1.39352 * printf
136parsed-once time    : 4.41,  = 2.04167 * printf ,  = 1.46512 * nullStream
137reused format time  : 9.61,  = 4.44907 * printf ,  = 3.19269 * nullStream
138format time         :11.02,  = 5.10185 * printf ,  = 3.66113 * nullStream
139
140-- Variant  ** _no_locale ** :
141-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
142printf time         :2.1
143ostream time        : 2.87,  = 1.36667 * printf
144parsed-once time    : 4.44,  = 2.11429 * printf ,  = 1.54704 * nullStream
145reused format time  : 8.21,  = 3.90952 * printf ,  = 2.86063 * nullStream
146format time         : 9.25,  = 4.40476 * printf ,  = 3.223 * nullStream
147
148-- Variant  ** _normal ** :
149-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
150printf time         :2.18
151ostream time        : 2.92,  = 1.33945 * printf
152parsed-once time    : 5.75,  = 2.63761 * printf ,  = 1.96918 * nullStream
153reused format time  :10.27,  = 4.71101 * printf ,  = 3.51712 * nullStream
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174------------------- Compiler  gcc : ----------------
175
176-- Variant  ** _normal ** :
177-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
178printf time         :2.16
179ostream time        : 2.81,  = 1.30093 * printf
180stored format time  :11.56,  = 5.35185 * printf ,  = 4.11388 * nullStream
181format time         :18.69,  = 8.65278 * printf ,  = 6.65125 * nullStream
182
183-- Variant  ** _static_stream ** :
184-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
185printf time         :2.1
186ostream time        : 2.79,  = 1.32857 * printf
187stored format time  :  4.5,  = 2.14286 * printf ,  = 1.6129 * nullStream
188format time         :10.05,  = 4.78571 * printf ,  = 3.60215 * nullStream
189
190-- Variant  ** _basicfmt ** :
191-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
192printf time         :2.22
193ostream time        : 2.88,  = 1.2973 * printf
194stored format time  : 4.45,  = 2.0045 * printf ,  = 1.54514 * nullStream
195format time         :11.67,  = 5.25676 * printf ,  = 4.05208 * nullStream
196
197
198
199
200
201The cost of imbuing locale after each object is fed :
202
203------------------- Compiler  gcc : ----------------
204-- Variant  _normal :
205-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
206printf time         :2.21
207ostream time        :  3.1,  = 1.40271 * printf
208stored format time  :11.53,  = 3.71935 * stream
209format time         :18.86,  = 6.08387 * stream
210
211-- Variant  _static_stream :
212-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
213printf time         :2.19
214ostream time        : 3.09,  = 1.41096 * printf
215stored format time  : 4.63,  = 1.49838 * stream
216format time         :10.12,  = 3.27508 * stream
217
218-- Variant  _basicfmt :
219-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
220printf time         :2.23
221ostream time        : 3.14,  = 1.40807 * printf
222stored format time  : 4.61,  = 1.46815 * stream
223format time         :11.33,  = 3.60828 * stream
224
225
226
227
228
229
230
231------------------- Compiler  gcc : ----------------
232-- Variant  _normal :
233printf time         :2.15
234ostream time        :4.42,  = 2.05581 * printf
235stored format time  :5.85,  = 1.32353 * stream
236format time         :11.53,  = 2.6086 * stream
237-- Variant  _no_reuse_stream :
238printf time         :2.13
239ostream time        :4.4,  = 2.06573 * printf
240stored format time  :11.1,  = 2.52273 * stream
241format time         :14.3,  = 3.25 * stream
242-- Variant  _stringstr :
243printf time         :2.01
244ostream time        :4.42,  = 2.199 * printf
245stored format time  :7.92,  = 1.79186 * stream
246format time         :12.8,  = 2.89593 * stream
247
248------------------- Compiler  intel-linux-7.1 : ----------------
249-- Variant  _normal :
250printf time         :2.08
251ostream time        :4.49,  = 2.15865 * printf
252stored format time  :5.3,  = 1.1804 * stream
253format time         :17.8,  = 3.96437 * stream
254-- Variant  _no_reuse_stream :
255printf time         :2.09
256ostream time        :4.37,  = 2.09091 * printf
257stored format time  :10.07,  = 2.30435 * stream
258format time         :14.46,  = 3.30892 * stream
259-- Variant  _stringstr :
260printf time         :1.99
261ostream time        :5.16,  = 2.59296 * printf
262stored format time  :5.83,  = 1.12984 * stream
263format time         :17.42,  = 3.37597 * stream
264
265
266
267
268// older Result with gcc-3.03 on linux :
269
270// With flag -g :
271
272/***
273printf time         :1.2
274ostream time        :2.84,  = 2.36667 * printf
275stored format time  :8.91,  = 3.13732 * stream
276format time         :15.35, = 5.40493 * stream
277format3 time        :21.83, = 7.68662 * stream
278***/
279
280
281// With flag -O
282
283/***
284printf time         :1.16
285ostream time        :1.94,  = 1.67241 * printf
286stored format time  :3.68,  = 1.89691 * stream
287format time         :6.31,  = 3.25258 * stream
288format3 time        :9.04,  = 4.65979 * stream
289***/
290
291//  ==> that's quite acceptable.
292
293// ------------------------------------------------------------------------------
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