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  26 <div class="titlepage"><div><div><h4 class="title">
  27 <a name="boost_regex.background.performance.section_id3752650613"></a><a class="link" href="section_id3752650613.html" title="Testing Perl searches (platform = Windows x64, compiler = Microsoft Visual C++ version 14.1)">Testing
  28         Perl searches (platform = Windows x64, compiler = Microsoft Visual C++ version
  29         14.1)</a>
  30 </h4></div></div></div>
  31 <div class="table">
  32 <a name="boost_regex.background.performance.section_id3752650613.table_Testing_Perl_searches_platform_Windows_x64_compiler_Microsoft_Visual_C_version_14_1_"></a><p class="title"><b>Table&#160;13.&#160;Testing Perl searches (platform = Windows x64, compiler = Microsoft
  33           Visual C++ version 14.1)</b></p>
  34 <div class="table-contents"><table class="table" summary="Testing Perl searches (platform = Windows x64, compiler = Microsoft
  35           Visual C++ version 14.1)">
  36 <colgroup>
  37 <col>
  38 <col>
  39 <col>
  40 <col>
  41 <col>
  42 <col>
  43 </colgroup>
  44 <thead><tr>
  45 <th>
  46                   <p>
  47                     Expression<br> Text
  48                   </p>
  49                 </th>
  50 <th>
  51                   <p>
  52                     boost 1.65
  53                   </p>
  54                 </th>
  55 <th>
  56                   <p>
  57                     PCRE-10.10
  58                   </p>
  59                 </th>
  60 <th>
  61                   <p>
  62                     RE2
  63                   </p>
  64                 </th>
  65 <th>
  66                   <p>
  67                     std::regex
  68                   </p>
  69                 </th>
  70 <th>
  71                   <p>
  72                     boost::xpressive::cregex
  73                   </p>
  74                 </th>
  75 </tr></thead>
  76 <tbody>
  77 <tr>
  78 <td>
  79                   <p>
  80                     <code class="literal">(?i)&lt;a[^&gt;]+href=("[^"]*"|[^[:space:]]+)[^&gt;]*&gt;</code><br>
  81                     In file: ..<span class="emphasis"><em>..</em></span>../libs/libraries.htm
  82                   </p>
  83                 </td>
  84 <td>
  85                   <p>
  86                     <span class="blue">1.36<br> (21565ns)</span>
  87                   </p>
  88                 </td>
  89 <td>
  90                   <p>
  91                     <span class="green">1.00<br> (15821ns)</span>
  92                   </p>
  93                 </td>
  94 <td>
  95                   <p>
  96                     <span class="green">1.08<br> (17111ns)</span>
  97                   </p>
  98                 </td>
  99 <td>
 100                   <p>
 101                     <span class="grey">-</span>
 102                   </p>
 103                 </td>
 104 <td>
 105                   <p>
 106                     <span class="blue">2.89<br> (45731ns)</span>
 107                   </p>
 108                 </td>
 109 </tr>
 110 <tr>
 111 <td>
 112                   <p>
 113                     <code class="literal">(?i)&lt;font[^&gt;]+face=("[^"]*"|[^[:space:]]+)[^&gt;]*&gt;.*?&lt;/font&gt;</code><br>
 114                     In file: ..<span class="emphasis"><em>..</em></span>../libs/libraries.htm
 115                   </p>
 116                 </td>
 117 <td>
 118                   <p>
 119                     <span class="blue">3.05<br> (16442ns)</span>
 120                   </p>
 121                 </td>
 122 <td>
 123                   <p>
 124                     <span class="blue">1.58<br> (8492ns)</span>
 125                   </p>
 126                 </td>
 127 <td>
 128                   <p>
 129                     <span class="green">1.00<br> (5385ns)</span>
 130                   </p>
 131                 </td>
 132 <td>
 133                   <p>
 134                     <span class="grey">-</span>
 135                   </p>
 136                 </td>
 137 <td>
 138                   <p>
 139                     <span class="blue">3.31<br> (17804ns)</span>
 140                   </p>
 141                 </td>
 142 </tr>
 143 <tr>
 144 <td>
 145                   <p>
 146                     <code class="literal">(?i)&lt;h[12345678][^&gt;]*&gt;.*?&lt;/h[12345678]&gt;</code><br>
 147                     In file: ..<span class="emphasis"><em>..</em></span>../libs/libraries.htm
 148                   </p>
 149                 </td>
 150 <td>
 151                   <p>
 152                     <span class="blue">2.11<br> (15434ns)</span>
 153                   </p>
 154                 </td>
 155 <td>
 156                   <p>
 157                     <span class="blue">1.31<br> (9615ns)</span>
 158                   </p>
 159                 </td>
 160 <td>
 161                   <p>
 162                     <span class="green">1.00<br> (7315ns)</span>
 163                   </p>
 164                 </td>
 165 <td>
 166                   <p>
 167                     <span class="grey">-</span>
 168                   </p>
 169                 </td>
 170 <td>
 171                   <p>
 172                     <span class="red">4.28<br> (31331ns)</span>
 173                   </p>
 174                 </td>
 175 </tr>
 176 <tr>
 177 <td>
 178                   <p>
 179                     <code class="literal">(?i)&lt;img[^&gt;]+src=("[^"]*"|[^[:space:]]+)[^&gt;]*&gt;</code><br>
 180                     In file: ..<span class="emphasis"><em>..</em></span>../libs/libraries.htm
 181                   </p>
 182                 </td>
 183 <td>
 184                   <p>
 185                     <span class="blue">2.73<br> (16457ns)</span>
 186                   </p>
 187                 </td>
 188 <td>
 189                   <p>
 190                     <span class="blue">1.41<br> (8503ns)</span>
 191                   </p>
 192                 </td>
 193 <td>
 194                   <p>
 195                     <span class="green">1.00<br> (6023ns)</span>
 196                   </p>
 197                 </td>
 198 <td>
 199                   <p>
 200                     <span class="grey">-</span>
 201                   </p>
 202                 </td>
 203 <td>
 204                   <p>
 205                     <span class="blue">3.14<br> (18913ns)</span>
 206                   </p>
 207                 </td>
 208 </tr>
 209 <tr>
 210 <td>
 211                   <p>
 212                     <code class="literal">(?i)&lt;p&gt;.*?&lt;/p&gt;</code><br> In file:
 213                     ..<span class="emphasis"><em>..</em></span>../libs/libraries.htm
 214                   </p>
 215                 </td>
 216 <td>
 217                   <p>
 218                     <span class="blue">2.32<br> (15717ns)</span>
 219                   </p>
 220                 </td>
 221 <td>
 222                   <p>
 223                     <span class="blue">1.57<br> (10652ns)</span>
 224                   </p>
 225                 </td>
 226 <td>
 227                   <p>
 228                     <span class="green">1.00<br> (6789ns)</span>
 229                   </p>
 230                 </td>
 231 <td>
 232                   <p>
 233                     <span class="grey">-</span>
 234                   </p>
 235                 </td>
 236 <td>
 237                   <p>
 238                     <span class="blue">3.76<br> (25542ns)</span>
 239                   </p>
 240                 </td>
 241 </tr>
 242 <tr>
 243 <td>
 244                   <p>
 245                     <code class="literal">(\w+)\s*(\([^()]++(?:(?2)[^()]++)*+[^)]*\))\s*(\{[^{}]++((?3)[^{}]++)*+[^}]*+\})</code><br>
 246                     In file: boost/multiprecision/number.hpp
 247                   </p>
 248                 </td>
 249 <td>
 250                   <p>
 251                     <span class="green">1.00<br> (1125008ns)</span>
 252                   </p>
 253                 </td>
 254 <td>
 255                   <p>
 256                     <span class="blue">2.90<br> (3265708ns)</span>
 257                   </p>
 258                 </td>
 259 <td>
 260                   <p>
 261                     <span class="grey">-</span>
 262                   </p>
 263                 </td>
 264 <td>
 265                   <p>
 266                     <span class="grey">-</span>
 267                   </p>
 268                 </td>
 269 <td>
 270                   <p>
 271                     <span class="grey">-</span>
 272                   </p>
 273                 </td>
 274 </tr>
 275 <tr>
 276 <td>
 277                   <p>
 278                     <code class="literal">(^[ \t]*#(?:(?&gt;[^\\\n]+)|\\(?&gt;\s*\n|.))*)|</code><br>
 279                     In file: boost/multiprecision/number.hpp
 280                   </p>
 281                 </td>
 282 <td>
 283                   <p>
 284                     <span class="blue">1.55<br> (11035845ns)</span>
 285                   </p>
 286                 </td>
 287 <td>
 288                   <p>
 289                     <span class="green">1.00<br> (7123895ns)</span>
 290                   </p>
 291                 </td>
 292 <td>
 293                   <p>
 294                     <span class="grey">-</span>
 295                   </p>
 296                 </td>
 297 <td>
 298                   <p>
 299                     <span class="grey">-</span>
 300                   </p>
 301                 </td>
 302 <td>
 303                   <p>
 304                     <span class="blue">1.46<br> (10415180ns)</span>
 305                   </p>
 306                 </td>
 307 </tr>
 308 <tr>
 309 <td>
 310                   <p>
 311                     <code class="literal">(template[[:space:]]*&lt;[^;:{]+&gt;[[:space:]]*)?(class|struct)[[:space:]]*(\w+([
 312                     ]*\([^)]*\))?[\u0 ...</code><br> In file: boost/multiprecision/number.hpp
 313                   </p>
 314                 </td>
 315 <td>
 316                   <p>
 317                     <span class="red">26.17<br> (8436744ns)</span>
 318                   </p>
 319                 </td>
 320 <td>
 321                   <p>
 322                     <span class="red">32.97<br> (10629852ns)</span>
 323                   </p>
 324                 </td>
 325 <td>
 326                   <p>
 327                     <span class="green">1.00<br> (322399ns)</span>
 328                   </p>
 329                 </td>
 330 <td>
 331                   <p>
 332                     <span class="red">811.84<br> (261737971ns)</span>
 333                   </p>
 334                 </td>
 335 <td>
 336                   <p>
 337                     <span class="red">23.34<br> (7526351ns)</span>
 338                   </p>
 339                 </td>
 340 </tr>
 341 <tr>
 342 <td>
 343                   <p>
 344                     <code class="literal">Beman|John|Dave</code><br> In file: ..<span class="emphasis"><em>..</em></span>../libs/libraries.htm
 345                   </p>
 346                 </td>
 347 <td>
 348                   <p>
 349                     <span class="blue">1.58<br> (10246ns)</span>
 350                   </p>
 351                 </td>
 352 <td>
 353                   <p>
 354                     <span class="green">1.00<br> (6487ns)</span>
 355                   </p>
 356                 </td>
 357 <td>
 358                   <p>
 359                     <span class="blue">2.48<br> (16109ns)</span>
 360                   </p>
 361                 </td>
 362 <td>
 363                   <p>
 364                     <span class="red">5.39<br> (34994ns)</span>
 365                   </p>
 366                 </td>
 367 <td>
 368                   <p>
 369                     <span class="green">1.09<br> (7046ns)</span>
 370                   </p>
 371                 </td>
 372 </tr>
 373 <tr>
 374 <td>
 375                   <p>
 376                     <code class="literal">\w+\s*(\([^()]++(?:(?1)[^()]++)*+[^)]*\))</code><br>
 377                     In file: boost/multiprecision/number.hpp
 378                   </p>
 379                 </td>
 380 <td>
 381                   <p>
 382                     <span class="green">1.00<br> (1152646ns)</span>
 383                   </p>
 384                 </td>
 385 <td>
 386                   <p>
 387                     <span class="blue">1.70<br> (1962067ns)</span>
 388                   </p>
 389                 </td>
 390 <td>
 391                   <p>
 392                     <span class="grey">-</span>
 393                   </p>
 394                 </td>
 395 <td>
 396                   <p>
 397                     <span class="grey">-</span>
 398                   </p>
 399                 </td>
 400 <td>
 401                   <p>
 402                     <span class="grey">-</span>
 403                   </p>
 404                 </td>
 405 </tr>
 406 <tr>
 407 <td>
 408                   <p>
 409                     <code class="literal">\{[^{}]++((?0)[^{}]++)*+[^}]*+\}</code><br> In
 410                     file: boost/multiprecision/number.hpp
 411                   </p>
 412                 </td>
 413 <td>
 414                   <p>
 415                     <span class="blue">1.62<br> (255439ns)</span>
 416                   </p>
 417                 </td>
 418 <td>
 419                   <p>
 420                     <span class="green">1.00<br> (158034ns)</span>
 421                   </p>
 422                 </td>
 423 <td>
 424                   <p>
 425                     <span class="grey">-</span>
 426                   </p>
 427                 </td>
 428 <td>
 429                   <p>
 430                     <span class="grey">-</span>
 431                   </p>
 432                 </td>
 433 <td>
 434                   <p>
 435                     <span class="grey">-</span>
 436                   </p>
 437                 </td>
 438 </tr>
 439 <tr>
 440 <td>
 441                   <p>
 442                     <code class="literal">^[ ]*#[ ]*include[ ]+("[^"]+"|&lt;[^&gt;]+&gt;)</code><br>
 443                     In file: boost/multiprecision/number.hpp
 444                   </p>
 445                 </td>
 446 <td>
 447                   <p>
 448                     <span class="blue">1.48<br> (268270ns)</span>
 449                   </p>
 450                 </td>
 451 <td>
 452                   <p>
 453                     <span class="green">1.08<br> (195553ns)</span>
 454                   </p>
 455                 </td>
 456 <td>
 457                   <p>
 458                     <span class="blue">1.78<br> (323879ns)</span>
 459                   </p>
 460                 </td>
 461 <td>
 462                   <p>
 463                     <span class="red">7.75<br> (1406976ns)</span>
 464                   </p>
 465                 </td>
 466 <td>
 467                   <p>
 468                     <span class="green">1.00<br> (181554ns)</span>
 469                   </p>
 470                 </td>
 471 </tr>
 472 <tr>
 473 <td>
 474                   <p>
 475                     <code class="literal">^[ ]*#[ ]*include[ ]+("boost/[^"]+"|&lt;boost/[^&gt;]+&gt;)</code><br>
 476                     In file: boost/multiprecision/number.hpp
 477                   </p>
 478                 </td>
 479 <td>
 480                   <p>
 481                     <span class="blue">1.48<br> (268560ns)</span>
 482                   </p>
 483                 </td>
 484 <td>
 485                   <p>
 486                     <span class="green">1.08<br> (195915ns)</span>
 487                   </p>
 488                 </td>
 489 <td>
 490                   <p>
 491                     <span class="blue">1.76<br> (319886ns)</span>
 492                   </p>
 493                 </td>
 494 <td>
 495                   <p>
 496                     <span class="red">7.72<br> (1398962ns)</span>
 497                   </p>
 498                 </td>
 499 <td>
 500                   <p>
 501                     <span class="green">1.00<br> (181328ns)</span>
 502                   </p>
 503                 </td>
 504 </tr>
 505 </tbody>
 506 </table></div>
 507 </div>
 508 <br class="table-break">
 509 </div>
 510 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
 511 <td align="left"></td>
 512 <td align="right"><div class="copyright-footer">Copyright &#169; 1998-2013 John Maddock<p>
 513         Distributed under the Boost Software License, Version 1.0. (See accompanying
 514         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>)
 515       </p>
 516 </div></td>
 517 </tr></table>
 518 <hr>
 519 <div class="spirit-nav">
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