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  26 <div class="titlepage"><div><div><h4 class="title">
  27 <a name="boost_regex.background.performance.section_id1675827111"></a><a class="link" href="section_id1675827111.html" title="Testing Perl searches (platform = linux, compiler = GNU C++ version 6.3.0)">Testing
  28         Perl searches (platform = linux, compiler = GNU C++ version 6.3.0)</a>
  29 </h4></div></div></div>
  30 <div class="table">
  31 <a name="boost_regex.background.performance.section_id1675827111.table_Testing_Perl_searches_platform_linux_compiler_GNU_C_version_6_3_0_"></a><p class="title"><b>Table&#160;9.&#160;Testing Perl searches (platform = linux, compiler = GNU C++ version
  32           6.3.0)</b></p>
  33 <div class="table-contents"><table class="table" summary="Testing Perl searches (platform = linux, compiler = GNU C++ version
  34           6.3.0)">
  35 <colgroup>
  36 <col>
  37 <col>
  38 <col>
  39 <col>
  40 <col>
  41 </colgroup>
  42 <thead><tr>
  43 <th>
  44                   <p>
  45                     Expression<br> Text
  46                   </p>
  47                 </th>
  48 <th>
  49                   <p>
  50                     boost 1.65
  51                   </p>
  52                 </th>
  53 <th>
  54                   <p>
  55                     std::regex
  56                   </p>
  57                 </th>
  58 <th>
  59                   <p>
  60                     boost::xpressive::cregex
  61                   </p>
  62                 </th>
  63 <th>
  64                   <p>
  65                     PCRE-10.21
  66                   </p>
  67                 </th>
  68 </tr></thead>
  69 <tbody>
  70 <tr>
  71 <td>
  72                   <p>
  73                     <code class="literal">(?i)&lt;a[^&gt;]+href=("[^"]*"|[^[:space:]]+)[^&gt;]*&gt;</code><br>
  74                     In file: ..<span class="emphasis"><em>..</em></span>../libs/libraries.htm
  75                   </p>
  76                 </td>
  77 <td>
  78                   <p>
  79                     <span class="blue">1.63<br> (28838ns)</span>
  80                   </p>
  81                 </td>
  82 <td>
  83                   <p>
  84                     <span class="grey">-</span>
  85                   </p>
  86                 </td>
  87 <td>
  88                   <p>
  89                     <span class="blue">1.67<br> (29436ns)</span>
  90                   </p>
  91                 </td>
  92 <td>
  93                   <p>
  94                     <span class="green">1.00<br> (17678ns)</span>
  95                   </p>
  96                 </td>
  97 </tr>
  98 <tr>
  99 <td>
 100                   <p>
 101                     <code class="literal">(?i)&lt;font[^&gt;]+face=("[^"]*"|[^[:space:]]+)[^&gt;]*&gt;.*?&lt;/font&gt;</code><br>
 102                     In file: ..<span class="emphasis"><em>..</em></span>../libs/libraries.htm
 103                   </p>
 104                 </td>
 105 <td>
 106                   <p>
 107                     <span class="blue">2.78<br> (19366ns)</span>
 108                   </p>
 109                 </td>
 110 <td>
 111                   <p>
 112                     <span class="grey">-</span>
 113                   </p>
 114                 </td>
 115 <td>
 116                   <p>
 117                     <span class="blue">1.50<br> (10471ns)</span>
 118                   </p>
 119                 </td>
 120 <td>
 121                   <p>
 122                     <span class="green">1.00<br> (6963ns)</span>
 123                   </p>
 124                 </td>
 125 </tr>
 126 <tr>
 127 <td>
 128                   <p>
 129                     <code class="literal">(?i)&lt;h[12345678][^&gt;]*&gt;.*?&lt;/h[12345678]&gt;</code><br>
 130                     In file: ..<span class="emphasis"><em>..</em></span>../libs/libraries.htm
 131                   </p>
 132                 </td>
 133 <td>
 134                   <p>
 135                     <span class="blue">1.95<br> (17081ns)</span>
 136                   </p>
 137                 </td>
 138 <td>
 139                   <p>
 140                     <span class="grey">-</span>
 141                   </p>
 142                 </td>
 143 <td>
 144                   <p>
 145                     <span class="blue">2.18<br> (19086ns)</span>
 146                   </p>
 147                 </td>
 148 <td>
 149                   <p>
 150                     <span class="green">1.00<br> (8745ns)</span>
 151                   </p>
 152                 </td>
 153 </tr>
 154 <tr>
 155 <td>
 156                   <p>
 157                     <code class="literal">(?i)&lt;img[^&gt;]+src=("[^"]*"|[^[:space:]]+)[^&gt;]*&gt;</code><br>
 158                     In file: ..<span class="emphasis"><em>..</em></span>../libs/libraries.htm
 159                   </p>
 160                 </td>
 161 <td>
 162                   <p>
 163                     <span class="blue">2.61<br> (18132ns)</span>
 164                   </p>
 165                 </td>
 166 <td>
 167                   <p>
 168                     <span class="grey">-</span>
 169                   </p>
 170                 </td>
 171 <td>
 172                   <p>
 173                     <span class="blue">1.61<br> (11211ns)</span>
 174                   </p>
 175                 </td>
 176 <td>
 177                   <p>
 178                     <span class="green">1.00<br> (6952ns)</span>
 179                   </p>
 180                 </td>
 181 </tr>
 182 <tr>
 183 <td>
 184                   <p>
 185                     <code class="literal">(?i)&lt;p&gt;.*?&lt;/p&gt;</code><br> In file:
 186                     ..<span class="emphasis"><em>..</em></span>../libs/libraries.htm
 187                   </p>
 188                 </td>
 189 <td>
 190                   <p>
 191                     <span class="blue">1.69<br> (17517ns)</span>
 192                   </p>
 193                 </td>
 194 <td>
 195                   <p>
 196                     <span class="grey">-</span>
 197                   </p>
 198                 </td>
 199 <td>
 200                   <p>
 201                     <span class="blue">1.51<br> (15645ns)</span>
 202                   </p>
 203                 </td>
 204 <td>
 205                   <p>
 206                     <span class="green">1.00<br> (10345ns)</span>
 207                   </p>
 208                 </td>
 209 </tr>
 210 <tr>
 211 <td>
 212                   <p>
 213                     <code class="literal">(\w+)\s*(\([^()]++(?:(?2)[^()]++)*+[^)]*\))\s*(\{[^{}]++((?3)[^{}]++)*+[^}]*+\})</code><br>
 214                     In file: boost/multiprecision/number.hpp
 215                   </p>
 216                 </td>
 217 <td>
 218                   <p>
 219                     <span class="green">1.00<br> (1500580ns)</span>
 220                   </p>
 221                 </td>
 222 <td>
 223                   <p>
 224                     <span class="grey">-</span>
 225                   </p>
 226                 </td>
 227 <td>
 228                   <p>
 229                     <span class="grey">-</span>
 230                   </p>
 231                 </td>
 232 <td>
 233                   <p>
 234                     <span class="blue">2.84<br> (4260530ns)</span>
 235                   </p>
 236                 </td>
 237 </tr>
 238 <tr>
 239 <td>
 240                   <p>
 241                     <code class="literal">(^[ \t]*#(?:(?&gt;[^\\\n]+)|\\(?&gt;\s*\n|.))*)|</code><br>
 242                     In file: boost/multiprecision/number.hpp
 243                   </p>
 244                 </td>
 245 <td>
 246                   <p>
 247                     <span class="blue">1.64<br> (14163004ns)</span>
 248                   </p>
 249                 </td>
 250 <td>
 251                   <p>
 252                     <span class="grey">-</span>
 253                   </p>
 254                 </td>
 255 <td>
 256                   <p>
 257                     <span class="green">1.00<br> (8632111ns)</span>
 258                   </p>
 259                 </td>
 260 <td>
 261                   <p>
 262                     <span class="green">1.03<br> (8907897ns)</span>
 263                   </p>
 264                 </td>
 265 </tr>
 266 <tr>
 267 <td>
 268                   <p>
 269                     <code class="literal">(template[[:space:]]*&lt;[^;:{]+&gt;[[:space:]]*)?(class|struct)[[:space:]]*(\w+([
 270                     ]*\([^)]*\))?[\u0 ...</code><br> In file: boost/multiprecision/number.hpp
 271                   </p>
 272                 </td>
 273 <td>
 274                   <p>
 275                     <span class="blue">1.72<br> (13046296ns)</span>
 276                   </p>
 277                 </td>
 278 <td>
 279                   <p>
 280                     <span class="blue">3.61<br> (27370747ns)</span>
 281                   </p>
 282                 </td>
 283 <td>
 284                   <p>
 285                     <span class="green">1.00<br> (7585304ns)</span>
 286                   </p>
 287                 </td>
 288 <td>
 289                   <p>
 290                     <span class="blue">1.98<br> (14992880ns)</span>
 291                   </p>
 292                 </td>
 293 </tr>
 294 <tr>
 295 <td>
 296                   <p>
 297                     <code class="literal">Beman|John|Dave</code><br> In file: ..<span class="emphasis"><em>..</em></span>../libs/libraries.htm
 298                   </p>
 299                 </td>
 300 <td>
 301                   <p>
 302                     <span class="green">1.00<br> (5021ns)</span>
 303                   </p>
 304                 </td>
 305 <td>
 306                   <p>
 307                     <span class="red">36.75<br> (184532ns)</span>
 308                   </p>
 309                 </td>
 310 <td>
 311                   <p>
 312                     <span class="blue">1.40<br> (7046ns)</span>
 313                   </p>
 314                 </td>
 315 <td>
 316                   <p>
 317                     <span class="green">1.19<br> (5966ns)</span>
 318                   </p>
 319                 </td>
 320 </tr>
 321 <tr>
 322 <td>
 323                   <p>
 324                     <code class="literal">\w+\s*(\([^()]++(?:(?1)[^()]++)*+[^)]*\))</code><br>
 325                     In file: boost/multiprecision/number.hpp
 326                   </p>
 327                 </td>
 328 <td>
 329                   <p>
 330                     <span class="green">1.00<br> (1551419ns)</span>
 331                   </p>
 332                 </td>
 333 <td>
 334                   <p>
 335                     <span class="grey">-</span>
 336                   </p>
 337                 </td>
 338 <td>
 339                   <p>
 340                     <span class="grey">-</span>
 341                   </p>
 342                 </td>
 343 <td>
 344                   <p>
 345                     <span class="blue">1.58<br> (2444759ns)</span>
 346                   </p>
 347                 </td>
 348 </tr>
 349 <tr>
 350 <td>
 351                   <p>
 352                     <code class="literal">\{[^{}]++((?0)[^{}]++)*+[^}]*+\}</code><br> In
 353                     file: boost/multiprecision/number.hpp
 354                   </p>
 355                 </td>
 356 <td>
 357                   <p>
 358                     <span class="blue">1.31<br> (200846ns)</span>
 359                   </p>
 360                 </td>
 361 <td>
 362                   <p>
 363                     <span class="grey">-</span>
 364                   </p>
 365                 </td>
 366 <td>
 367                   <p>
 368                     <span class="grey">-</span>
 369                   </p>
 370                 </td>
 371 <td>
 372                   <p>
 373                     <span class="green">1.00<br> (153117ns)</span>
 374                   </p>
 375                 </td>
 376 </tr>
 377 <tr>
 378 <td>
 379                   <p>
 380                     <code class="literal">^[ ]*#[ ]*include[ ]+("[^"]+"|&lt;[^&gt;]+&gt;)</code><br>
 381                     In file: boost/multiprecision/number.hpp
 382                   </p>
 383                 </td>
 384 <td>
 385                   <p>
 386                     <span class="blue">1.46<br> (234901ns)</span>
 387                   </p>
 388                 </td>
 389 <td>
 390                   <p>
 391                     <span class="red">11.35<br> (1821532ns)</span>
 392                   </p>
 393                 </td>
 394 <td>
 395                   <p>
 396                     <span class="green">1.00<br> (160446ns)</span>
 397                   </p>
 398                 </td>
 399 <td>
 400                   <p>
 401                     <span class="blue">1.35<br> (215802ns)</span>
 402                   </p>
 403                 </td>
 404 </tr>
 405 <tr>
 406 <td>
 407                   <p>
 408                     <code class="literal">^[ ]*#[ ]*include[ ]+("boost/[^"]+"|&lt;boost/[^&gt;]+&gt;)</code><br>
 409                     In file: boost/multiprecision/number.hpp
 410                   </p>
 411                 </td>
 412 <td>
 413                   <p>
 414                     <span class="blue">1.41<br> (234377ns)</span>
 415                   </p>
 416                 </td>
 417 <td>
 418                   <p>
 419                     <span class="red">11.47<br> (1903901ns)</span>
 420                   </p>
 421                 </td>
 422 <td>
 423                   <p>
 424                     <span class="green">1.00<br> (165921ns)</span>
 425                   </p>
 426                 </td>
 427 <td>
 428                   <p>
 429                     <span class="blue">1.31<br> (217806ns)</span>
 430                   </p>
 431                 </td>
 432 </tr>
 433 </tbody>
 434 </table></div>
 435 </div>
 436 <br class="table-break">
 437 </div>
 438 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
 439 <td align="left"></td>
 440 <td align="right"><div class="copyright-footer">Copyright &#169; 1998-2013 John Maddock<p>
 441         Distributed under the Boost Software License, Version 1.0. (See accompanying
 442         file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
 443       </p>
 444 </div></td>
 445 </tr></table>
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