I'm sure the results will be of no surprise to you guys but I thought I'd share this.
Everything besides the search mechanism is the same for all tests, all threads get back a Map containing Room objects and just output the number they got back, as well as the duration spent searching.
The
thread names will be a little weird because
JUnit doesn't require the
test to be re-started, and I've run a few in between.
anyway
TESTED WITH 100 THREADS USING PATTERN COMPILE BUT CHECKING EACH COLUMN VALUE ONE AT A TIME AFTER READING A SINGLE RECORD INTO A STRINGBUFFER room map size : 27
Thread : Thread-269 spent 1515 milliseconds searching.
room map size : 27
Thread : Thread-272 spent 1531 milliseconds searching.
room map size : 27
Thread : Thread-285 spent 1531 milliseconds searching.
room map size : 27
Thread : Thread-276 spent 1531 milliseconds searching.
room map size : 27
Thread : Thread-275 spent 1531 milliseconds searching.
room map size : 27
Thread : Thread-277 spent 1546 milliseconds searching.
room map size : 27
Thread : Thread-279 spent 1546 milliseconds searching.
room map size : 27
Thread : Thread-273 spent 1546 milliseconds searching.
room map size : 27
Thread : Thread-289 spent 1546 milliseconds searching.
room map size : 27
Thread : Thread-265 spent 1578 milliseconds searching.
room map size : 27
Thread : Thread-283 spent 1562 milliseconds searching.
room map size : 27
Thread : Thread-294 spent 1562 milliseconds searching.
room map size : 27
Thread : Thread-286 spent 1578 milliseconds searching.
room map size : 27
Thread : Thread-292 spent 1578 milliseconds searching.
room map size : 27
room map size : 27
room map size : 27
room map size : 27
room map size : 27
room map size : 27
room map size : 27
room map size : 27
room map size : 27
room map size : 27
room map size : 27
room map size : 27
room map size : 27
room map size : 27
room map size : 27
room map size : 27
room map size : 27
room map size : 27
room map size : 27
Thread : Thread-266 spent 1641 milliseconds searching.
Thread : Thread-281 spent 1625 milliseconds searching.
Thread : Thread-263 spent 1641 milliseconds searching.
Thread : Thread-307 spent 1625 milliseconds searching.
Thread : Thread-274 spent 1625 milliseconds searching.
Thread : Thread-267 spent 1656 milliseconds searching.
Thread : Thread-259 spent 1656 milliseconds searching.
Thread : Thread-261 spent 1656 milliseconds searching.
Thread : Thread-270 spent 1640 milliseconds searching.
Thread : Thread-282 spent 1640 milliseconds searching.
Thread : Thread-326 spent 1625 milliseconds searching.
Thread : Thread-306 spent 1640 milliseconds searching.
Thread : Thread-317 spent 1625 milliseconds searching.
Thread : Thread-260 spent 1656 milliseconds searching.
Thread : Thread-316 spent 1625 milliseconds searching.
Thread : Thread-268 spent 1656 milliseconds searching.
Thread : Thread-296 spent 1640 milliseconds searching.
Thread : Thread-256 spent 1672 milliseconds searching.
Thread : Thread-254 spent 1688 milliseconds searching.
room map size : 27
Thread : Thread-323 spent 1844 milliseconds searching.
room map size : 27
Thread : Thread-288 spent 1875 milliseconds searching.
room map size : 27
Thread : Thread-278 spent 1984 milliseconds searching.
room map size : 27
Thread : Thread-310 spent 2094 milliseconds searching.
room map size : 27
Thread : Thread-258 spent 2312 milliseconds searching.
room map size : 27
Thread : Thread-325 spent 2313 milliseconds searching.
room map size : 27
Thread : Thread-314 spent 2313 milliseconds searching.
room map size : 27
Thread : Thread-290 spent 2328 milliseconds searching.
room map size : 27
Thread : Thread-295 spent 2343 milliseconds searching.
room map size : 27
Thread : Thread-322 spent 2328 milliseconds searching.
room map size : 27
Thread : Thread-345 spent 2328 milliseconds searching.
room map size : 27
Thread : Thread-351 spent 2344 milliseconds searching.
room map size : 27
Thread : Thread-352 spent 2344 milliseconds searching.
room map size : 27
Thread : Thread-324 spent 2344 milliseconds searching.
room map size : 27
Thread : Thread-335 spent 2359 milliseconds searching.
room map size : 27
Thread : Thread-280 spent 2374 milliseconds searching.
room map size : 27
Thread : Thread-344 spent 2375 milliseconds searching.
room map size : 27
Thread : Thread-336 spent 2375 milliseconds searching.
room map size : 27
Thread : Thread-301 spent 2390 milliseconds searching.
room map size : 27
Thread : Thread-311 spent 2391 milliseconds searching.
room map size : 27
Thread : Thread-337 spent 2391 milliseconds searching.
room map size : 27
Thread : Thread-348 spent 2391 milliseconds searching.
room map size : 27
Thread : Thread-287 spent 2406 milliseconds searching.
room map size : 27
Thread : Thread-334 spent 2406 milliseconds searching.
room map size : 27
Thread : Thread-298 spent 2421 milliseconds searching.
room map size : 27
Thread : Thread-341 spent 2406 milliseconds searching.
room map size : 27
Thread : Thread-328 spent 2406 milliseconds searching.
room map size : 27
Thread : Thread-333 spent 2422 milliseconds searching.
room map size : 27
Thread : Thread-313 spent 2422 milliseconds searching.
room map size : 27
Thread : Thread-318 spent 2438 milliseconds searching.
room map size : 27
Thread : Thread-308 spent 2453 milliseconds searching.
room map size : 27
Thread : Thread-293 spent 2453 milliseconds searching.
room map size : 27
Thread : Thread-255 spent 2485 milliseconds searching.
room map size : 27
Thread : Thread-342 spent 2453 milliseconds searching.
room map size : 27
Thread : Thread-321 spent 2453 milliseconds searching.
room map size : 27
Thread : Thread-340 spent 2453 milliseconds searching.
room map size : 27
Thread : Thread-343 spent 2469 milliseconds searching.
room map size : 27
Thread : Thread-257 spent 2516 milliseconds searching.
room map size : 27
Thread : Thread-305 spent 2484 milliseconds searching.
room map size : 27
Thread : Thread-302 spent 2499 milliseconds searching.
room map size : 27
Thread : Thread-346 spent 2500 milliseconds searching.
room map size : 27
Thread : Thread-309 spent 2500 milliseconds searching.
room map size : 27
Thread : Thread-315 spent 2500 milliseconds searching.
room map size : 27
Thread : Thread-299 spent 2531 milliseconds searching.
room map size : 27
Thread : Thread-291 spent 2531 milliseconds searching.
room map size : 27
Thread : Thread-329 spent 2516 milliseconds searching.
room map size : 27
Thread : Thread-349 spent 2516 milliseconds searching.
room map size : 27
room map size : 27
room map size : 27
room map size : 27
room map size : 27
room map size : 27
room map size : 27
Thread : Thread-350 spent 2563 milliseconds searching.
room map size : 27
Thread : Thread-327 spent 2563 milliseconds searching.
Thread : Thread-262 spent 2594 milliseconds searching.
Thread : Thread-338 spent 2563 milliseconds searching.
Thread : Thread-253 spent 2610 milliseconds searching.
Thread : Thread-300 spent 2578 milliseconds searching.
Thread : Thread-331 spent 2563 milliseconds searching.
Thread : Thread-284 spent 2578 milliseconds searching.
room map size : 27
room map size : 27
room map size : 27
room map size : 27
room map size : 27
room map size : 27
room map size : 27
room map size : 27
room map size : 27
room map size : 27
room map size : 27
room map size : 27
Thread : Thread-304 spent 2624 milliseconds searching.
Thread : Thread-312 spent 2609 milliseconds searching.
Thread : Thread-339 spent 2609 milliseconds searching.
Thread : Thread-330 spent 2609 milliseconds searching.
Thread : Thread-347 spent 2609 milliseconds searching.
Thread : Thread-271 spent 2640 milliseconds searching.
Thread : Thread-319 spent 2625 milliseconds searching.
Thread : Thread-332 spent 2625 milliseconds searching.
Thread : Thread-320 spent 2625 milliseconds searching.
Thread : Thread-303 spent 2640 milliseconds searching.
Thread : Thread-264 spent 2656 milliseconds searching.
Thread : Thread-297 spent 2640 milliseconds searching.
===============================================================================
TESTED WITH 100 THREADS USING startsWith AND STILL CHECKING EACH COLUMN VALUE ONE AT A TIME AFTER READING A SINGLE RECORD INTO A STRINGBUFFER room map size : 27
Thread : Thread-126 spent 2453 milliseconds searching.
room map size : 27
Thread : Thread-122 spent 2468 milliseconds searching.
room map size : 27
Thread : Thread-124 spent 2718 milliseconds searching.
room map size : 27
Thread : Thread-119 spent 2828 milliseconds searching.
room map size : 27
Thread : Thread-123 spent 2859 milliseconds searching.
room map size : 27
Thread : Thread-113 spent 2890 milliseconds searching.
room map size : 27
Thread : Thread-115 spent 2937 milliseconds searching.
room map size : 27
Thread : Thread-140 spent 3016 milliseconds searching.
room map size : 27
Thread : Thread-136 spent 3016 milliseconds searching.
room map size : 27
Thread : Thread-168 spent 2985 milliseconds searching.
room map size : 27
Thread : Thread-106 spent 3046 milliseconds searching.
room map size : 27
Thread : Thread-150 spent 3015 milliseconds searching.
room map size : 27
Thread : Thread-137 spent 3047 milliseconds searching.
room map size : 27
Thread : Thread-125 spent 3062 milliseconds searching.
room map size : 27
Thread : Thread-130 spent 3047 milliseconds searching.
room map size : 27
Thread : Thread-179 spent 3016 milliseconds searching.
room map size : 27
Thread : Thread-196 spent 3000 milliseconds searching.
room map size : 27
Thread : Thread-178 spent 3032 milliseconds searching.
room map size : 27
Thread : Thread-151 spent 3187 milliseconds searching.
room map size : 27
Thread : Thread-105 spent 3218 milliseconds searching.
room map size : 27
Thread : Thread-180 spent 3172 milliseconds searching.
room map size : 27
Thread : Thread-192 spent 3156 milliseconds searching.
room map size : 27
Thread : Thread-134 spent 3219 milliseconds searching.
room map size : 27
Thread : Thread-184 spent 3156 milliseconds searching.
room map size : 27
Thread : Thread-177 spent 3204 milliseconds searching.
room map size : 27
Thread : Thread-133 spent 3250 milliseconds searching.
room map size : 27
Thread : Thread-169 spent 3235 milliseconds searching.
room map size : 27
Thread : Thread-194 spent 3203 milliseconds searching.
room map size : 27
Thread : Thread-135 spent 3266 milliseconds searching.
room map size : 27
Thread : Thread-173 spent 3250 milliseconds searching.
room map size : 27
Thread : Thread-112 spent 3296 milliseconds searching.
room map size : 27
Thread : Thread-159 spent 3281 milliseconds searching.
room map size : 27
Thread : Thread-167 spent 3266 milliseconds searching.
room map size : 27
Thread : Thread-176 spent 3266 milliseconds searching.
room map size : 27
Thread : Thread-157 spent 3281 milliseconds searching.
room map size : 27
Thread : Thread-171 spent 3282 milliseconds searching.
room map size : 27
Thread : Thread-199 spent 3250 milliseconds searching.
room map size : 27
Thread : Thread-193 spent 3250 milliseconds searching.
room map size : 27
Thread : Thread-200 spent 3265 milliseconds searching.
room map size : 27
Thread : Thread-145 spent 3312 milliseconds searching.
room map size : 27
Thread : Thread-197 spent 3281 milliseconds searching.
room map size : 27
Thread : Thread-182 spent 3313 milliseconds searching.
room map size : 27
Thread : Thread-139 spent 3360 milliseconds searching.
room map size : 27
Thread : Thread-129 spent 3360 milliseconds searching.
room map size : 27
Thread : Thread-195 spent 3297 milliseconds searching.
room map size : 27
Thread : Thread-148 spent 3359 milliseconds searching.
room map size : 27
Thread : Thread-185 spent 3437 milliseconds searching.
room map size : 27
Thread : Thread-154 spent 3500 milliseconds searching.
room map size : 27
Thread : Thread-103 spent 3547 milliseconds searching.
room map size : 27
Thread : Thread-149 spent 3500 milliseconds searching.
room map size : 27
Thread : Thread-172 spent 3485 milliseconds searching.
room map size : 27
room map size : 27
room map size : 27
Thread : Thread-158 spent 3531 milliseconds searching.
Thread : Thread-189 spent 3484 milliseconds searching.
Thread : Thread-144 spent 3531 milliseconds searching.
room map size : 27
Thread : Thread-198 spent 3500 milliseconds searching.
room map size : 27
Thread : Thread-116 spent 3578 milliseconds searching.
room map size : 27
Thread : Thread-181 spent 3532 milliseconds searching.
room map size : 27
Thread : Thread-109 spent 3593 milliseconds searching.
room map size : 27
Thread : Thread-110 spent 3593 milliseconds searching.
room map size : 27
Thread : Thread-187 spent 3531 milliseconds searching.
room map size : 27
Thread : Thread-175 spent 3579 milliseconds searching.
room map size : 27
Thread : Thread-127 spent 3625 milliseconds searching.
room map size : 27
Thread : Thread-188 spent 3547 milliseconds searching.
room map size : 27
Thread : Thread-141 spent 3610 milliseconds searching.
room map size : 27
Thread : Thread-156 spent 3609 milliseconds searching.
room map size : 27
Thread : Thread-138 spent 3625 milliseconds searching.
room map size : 27
Thread : Thread-128 spent 3656 milliseconds searching.
room map size : 27
Thread : Thread-163 spent 3610 milliseconds searching.
room map size : 27
Thread : Thread-160 spent 3640 milliseconds searching.
room map size : 27
Thread : Thread-190 spent 3609 milliseconds searching.
room map size : 27
Thread : Thread-201 spent 3609 milliseconds searching.
room map size : 27
Thread : Thread-143 spent 3672 milliseconds searching.
room map size : 27
Thread : Thread-162 spent 3641 milliseconds searching.
room map size : 27
Thread : Thread-104 spent 3703 milliseconds searching.
room map size : 27
Thread : Thread-186 spent 3625 milliseconds searching.
room map size : 27
Thread : Thread-114 spent 3703 milliseconds searching.
room map size : 27
Thread : Thread-165 spent 3657 milliseconds searching.
room map size : 27
Thread : Thread-191 spent 3750 milliseconds searching.
room map size : 27
Thread : Thread-161 spent 3797 milliseconds searching.
room map size : 27
Thread : Thread-152 spent 3812 milliseconds searching.
room map size : 27
Thread : Thread-146 spent 3812 milliseconds searching.
room map size : 27
Thread : Thread-108 spent 3843 milliseconds searching.
room map size : 27
Thread : Thread-131 spent 3828 milliseconds searching.
room map size : 27
Thread : Thread-111 spent 3859 milliseconds searching.
room map size : 27
Thread : Thread-117 spent 3859 milliseconds searching.
room map size : 27
Thread : Thread-142 spent 3844 milliseconds searching.
room map size : 27
Thread : Thread-118 spent 3875 milliseconds searching.
room map size : 27
Thread : Thread-121 spent 3875 milliseconds searching.
room map size : 27
Thread : Thread-132 spent 3860 milliseconds searching.
room map size : 27
Thread : Thread-120 spent 3890 milliseconds searching.
room map size : 27
Thread : Thread-107 spent 3890 milliseconds searching.
room map size : 27
Thread : Thread-164 spent 3844 milliseconds searching.
room map size : 27
Thread : Thread-147 spent 3875 milliseconds searching.
room map size : 27
Thread : Thread-153 spent 3875 milliseconds searching.
room map size : 27
Thread : Thread-183 spent 3875 milliseconds searching.
room map size : 27
Thread : Thread-166 spent 3875 milliseconds searching.
room map size : 27
Thread : Thread-155 spent 3890 milliseconds searching.
room map size : 27
Thread : Thread-202 spent 3859 milliseconds searching.
room map size : 27
Thread : Thread-170 spent 3891 milliseconds searching.
room map size : 27
Thread : Thread-174 spent 3891 milliseconds searching.
=================================================================================
TESTED WITH 100 THREADS USING A CharSequence OF THE ENTIRE FILE
AND THEN RUNNING THE REGEX Pattern MATCHER THROUGH THE CharSequence room map size : 27
Thread : Thread-1492 spent 125 milliseconds searching.
room map size : 27
Thread : Thread-1446 spent 47 milliseconds searching.
room map size : 27
Thread : Thread-1493 spent 47 milliseconds searching.
room map size : 27
Thread : Thread-1444 spent 47 milliseconds searching.
room map size : 27
Thread : Thread-1494 spent 47 milliseconds searching.
room map size : 27
Thread : Thread-1445 spent 47 milliseconds searching.
room map size : 27
Thread : Thread-1495 spent 47 milliseconds searching.
room map size : 27
Thread : Thread-1442 spent 47 milliseconds searching.
room map size : 27
Thread : Thread-1496 spent 47 milliseconds searching.
room map size : 27
Thread : Thread-1443 spent 46 milliseconds searching.
room map size : 27
Thread : Thread-1441 spent 47 milliseconds searching.
room map size : 27
Thread : Thread-1497 spent 47 milliseconds searching.
room map size : 27
Thread : Thread-1498 spent 47 milliseconds searching.
room map size : 27
Thread : Thread-1452 spent 47 milliseconds searching.
room map size : 27
Thread : Thread-1499 spent 46 milliseconds searching.
room map size : 27
Thread : Thread-1405 spent 47 milliseconds searching.
room map size : 27
Thread : Thread-1500 spent 47 milliseconds searching.
room map size : 27
Thread : Thread-1450 spent 63 milliseconds searching.
room map size : 27
Thread : Thread-1404 spent 47 milliseconds searching.
room map size : 27
Thread : Thread-1451 spent 47 milliseconds searching.
room map size : 27
Thread : Thread-1403 spent 47 milliseconds searching.
room map size : 27
Thread : Thread-1449 spent 46 milliseconds searching.
room map size : 27
Thread : Thread-1501 spent 47 milliseconds searching.
room map size : 27
Thread : Thread-1402 spent 47 milliseconds searching.
room map size : 27
Thread : Thread-1447 spent 47 milliseconds searching.
room map size : 27
Thread : Thread-1448 spent 47 milliseconds searching.
room map size : 27
Thread : Thread-1479 spent 47 milliseconds searching.
room map size : 27
Thread : Thread-1433 spent 47 milliseconds searching.
room map size : 27
Thread : Thread-1480 spent 78 milliseconds searching.
room map size : 27
Thread : Thread-1465 spent 109 milliseconds searching.
room map size : 27
Thread : Thread-1431 spent 156 milliseconds searching.
room map size : 27
Thread : Thread-1481 spent 203 milliseconds searching.
room map size : 27
Thread : Thread-1432 spent 250 milliseconds searching.
room map size : 27
Thread : Thread-1482 spent 297 milliseconds searching.
room map size : 27
Thread : Thread-1483 spent 328 milliseconds searching.
room map size : 27
Thread : Thread-1430 spent 375 milliseconds searching.
room map size : 27
Thread : Thread-1484 spent 422 milliseconds searching.
room map size : 27
Thread : Thread-1428 spent 469 milliseconds searching.
room map size : 27
Thread : Thread-1429 spent 516 milliseconds searching.
room map size : 27
Thread : Thread-1439 spent 562 milliseconds searching.
room map size : 27
Thread : Thread-1485 spent 609 milliseconds searching.
room map size : 27
Thread : Thread-1486 spent 656 milliseconds searching.
room map size : 27
Thread : Thread-1440 spent 703 milliseconds searching.
room map size : 27
Thread : Thread-1487 spent 750 milliseconds searching.
room map size : 27
Thread : Thread-1488 spent 797 milliseconds searching.
room map size : 27
Thread : Thread-1438 spent 844 milliseconds searching.
room map size : 27
Thread : Thread-1436 spent 891 milliseconds searching.
room map size : 27
Thread : Thread-1437 spent 937 milliseconds searching.
room map size : 27
Thread : Thread-1489 spent 1000 milliseconds searching.
room map size : 27
Thread : Thread-1434 spent 1031 milliseconds searching.
room map size : 27
Thread : Thread-1490 spent 1078 milliseconds searching.
room map size : 27
Thread : Thread-1435 spent 1141 milliseconds searching.
room map size : 27
Thread : Thread-1491 spent 1187 milliseconds searching.
room map size : 27
Thread : Thread-1466 spent 1234 milliseconds searching.
room map size : 27
Thread : Thread-1467 spent 1359 milliseconds searching.
room map size : 27
Thread : Thread-1421 spent 1406 milliseconds searching.
room map size : 27
Thread : Thread-1468 spent 1453 milliseconds searching.
room map size : 27
Thread : Thread-1469 spent 1500 milliseconds searching.
room map size : 27
Thread : Thread-1470 spent 1531 milliseconds searching.
room map size : 27
Thread : Thread-1419 spent 1578 milliseconds searching.
room map size : 27
Thread : Thread-1471 spent 1625 milliseconds searching.
room map size : 27
Thread : Thread-1472 spent 1671 milliseconds searching.
room map size : 27
Thread : Thread-1426 spent 1703 milliseconds searching.
room map size : 27
Thread : Thread-1427 spent 1750 milliseconds searching.
room map size : 27
Thread : Thread-1473 spent 1796 milliseconds searching.
room map size : 27
Thread : Thread-1474 spent 1843 milliseconds searching.
room map size : 27
Thread : Thread-1425 spent 1890 milliseconds searching.
room map size : 27
Thread : Thread-1475 spent 1937 milliseconds searching.
room map size : 27
Thread : Thread-1476 spent 1984 milliseconds searching.
room map size : 27
Thread : Thread-1423 spent 2031 milliseconds searching.
room map size : 27
Thread : Thread-1424 spent 2078 milliseconds searching.
room map size : 27
Thread : Thread-1477 spent 2109 milliseconds searching.
room map size : 27
Thread : Thread-1422 spent 2156 milliseconds searching.
room map size : 27
Thread : Thread-1478 spent 2203 milliseconds searching.
room map size : 27
Thread : Thread-1411 spent 2250 milliseconds searching.
room map size : 27
Thread : Thread-1453 spent 2296 milliseconds searching.
room map size : 27
Thread : Thread-1454 spent 2343 milliseconds searching.
room map size : 27
Thread : Thread-1412 spent 2390 milliseconds searching.
room map size : 27
Thread : Thread-1415 spent 2593 milliseconds searching.
room map size : 27
Thread : Thread-1410 spent 2796 milliseconds searching.
room map size : 27
Thread : Thread-1408 spent 2843 milliseconds searching.
room map size : 27
Thread : Thread-1456 spent 2859 milliseconds searching.
room map size : 27
Thread : Thread-1414 spent 2859 milliseconds searching.
room map size : 27
Thread : Thread-1464 spent 2875 milliseconds searching.
room map size : 27
Thread : Thread-1413 spent 2875 milliseconds searching.
room map size : 27
Thread : Thread-1455 spent 3093 milliseconds searching.
room map size : 27
Thread : Thread-1420 spent 3141 milliseconds searching.
room map size : 27
Thread : Thread-1409 spent 3171 milliseconds searching.
room map size : 27
Thread : Thread-1457 spent 3203 milliseconds searching.
room map size : 27
Thread : Thread-1406 spent 3250 milliseconds searching.
room map size : 27
Thread : Thread-1458 spent 3296 milliseconds searching.
room map size : 27
Thread : Thread-1407 spent 3328 milliseconds searching.
room map size : 27
Thread : Thread-1459 spent 3375 milliseconds searching.
room map size : 27
Thread : Thread-1460 spent 3421 milliseconds searching.
room map size : 27
Thread : Thread-1418 spent 3453 milliseconds searching.
room map size : 27
Thread : Thread-1461 spent 3500 milliseconds searching.
room map size : 27
Thread : Thread-1416 spent 3546 milliseconds searching.
room map size : 27
Thread : Thread-1462 spent 3593 milliseconds searching.
room map size : 27
Thread : Thread-1417 spent 3625 milliseconds searching.
room map size : 27
Thread : Thread-1463 spent 3671 milliseconds searching.