| /* |
| * Copyright (c) 2019 Inria |
| * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer; |
| * redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution; |
| * neither the name of the copyright holders nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| * Authors: Daniel Carvalho |
| */ |
| |
| #include "base/filters/h3_bloom_filter.hh" |
| |
| #include <limits> |
| |
| #include "base/bitfield.hh" |
| #include "base/logging.hh" |
| #include "params/BloomFilterH3.hh" |
| |
| namespace BloomFilter { |
| |
| static int H3Matrix[64][16] = { |
| { 33268410, 395488709, 311024285, 456111753, |
| 181495008, 119997521, 220697869, 433891432, |
| 755927921, 515226970, 719448198, 349842774, |
| 269183649, 463275672, 429800228, 521598937, }, |
| |
| { 628677802, 820947732, 809435975, 1024657192, |
| 887631270, 412050215, 391365090, 324227279, |
| 318338329, 1038393087, 489807930, 387366128, |
| 518096428, 324184340, 429376066, 447109279, }, |
| |
| { 599747653, 404960623, 103933604, 946416030, |
| 656460913, 925957005, 1047665689, 163552053, |
| 88359290, 841315415, 899833584, 1067336680, |
| 348549994, 464045876, 270252128, 829897652, }, |
| |
| { 215495230, 966696438, 82589012, 750102795, |
| 909780866, 920285789, 769759214, 331966823, |
| 939936006, 439950703, 883794828, 1009277508, |
| 61634610, 741444350, 98689608, 524144422, }, |
| |
| { 93868534, 196958667, 774076619, 327921978, |
| 122538783, 879785030, 690748527, 3498564, |
| 83163077, 1027963025, 582088444, 466152216, |
| 312424878, 550064499, 646612667, 561099434, }, |
| |
| { 1002047931, 395477707, 821317480, 890482112, |
| 697094476, 263813044, 840275189, 469664185, |
| 795625845, 211504898, 99204277, 1004491153, |
| 725930417, 1064479221, 893834767, 839719181, }, |
| |
| { 278507126, 985111995, 706462983, 1042178726, |
| 123281719, 963778122, 500881056, 726291104, |
| 134293026, 568379664, 317050609, 533470307, |
| 1022365922, 197645211, 315125721, 634827678, }, |
| |
| { 219227366, 553960647, 870169525, 322232839, |
| 508322497, 648672696, 249405795, 883596102, |
| 476433133, 541372919, 646647793, 1042679515, |
| 43242483, 600187508, 499866821, 135713210, }, |
| |
| { 52837162, 96966684, 401840460, 1071661176, |
| 733560065, 150035417, 341319946, 811582750, |
| 636173904, 519054065, 196321433, 1028294565, |
| 882204070, 522965093, 48884074, 117810166, }, |
| |
| { 650860353, 789534698, 328813544, 473250022, |
| 143128306, 173196006, 846958825, 174632187, |
| 683273509, 405459497, 787235556, 773873501, |
| 240110267, 426797736, 92043842, 711789240, }, |
| |
| { 586637493, 5059646, 398035664, 6686087, |
| 498300175, 948278148, 681227731, 592751744, |
| 572019677, 558044722, 589368271, 695745538, |
| 1073416749, 529192035, 550984939, 1070620580, }, |
| |
| { 102904663, 647598516, 758863940, 313426443, |
| 76504114, 1050747783, 708436441, 563815069, |
| 224107668, 875925186, 167675944, 926209739, |
| 279737287, 1040288182, 768184312, 371708956, }, |
| |
| { 683968868, 1027427757, 180781926, 742898864, |
| 624078545, 645659833, 577225838, 987150210, |
| 723410002, 224013421, 993286634, 33188488, |
| 247264323, 888018697, 38048664, 189037096, }, |
| |
| { 475612146, 426739285, 873726278, 529192871, |
| 607715202, 388486246, 987001312, 474493980, |
| 259747270, 417465536, 217062395, 392858482, |
| 563810075, 137852805, 1051814153, 72895217, }, |
| |
| { 71277086, 785496675, 500608842, 89633426, |
| 274085706, 248467935, 838061983, 48106147, |
| 773662506, 49545328, 9071573, 100739031, |
| 602018002, 904371654, 534132064, 332211304, }, |
| |
| { 401893602, 735125342, 775548339, 210224843, |
| 256081130, 482894412, 350801633, 1035713633, |
| 429458128, 327281409, 739927752, 359327650, |
| 886942880, 847691759, 752417993, 359445596, }, |
| |
| { 267472014, 1050659620, 1068232362, 1049684368, |
| 17130239, 690524969, 793224378, 14455158, |
| 423092885, 873853424, 430535778, 7867877, |
| 309731959, 370260786, 862353083, 403906850, }, |
| |
| { 993077283, 218812656, 389234651, 393202875, |
| 413116501, 263300295, 470013158, 592730725, |
| 441847172, 732392823, 407574059, 875664777, |
| 271347307, 792954404, 554774761, 1022424300, }, |
| |
| { 675919719, 637054073, 784720745, 149714381, |
| 813144874, 502525801, 635436670, 1003196587, |
| 160786091, 947509775, 969788637, 26854073, |
| 257964369, 63898568, 539767732, 772364518, }, |
| |
| { 943076868, 1021732472, 697575075, 15843624, |
| 617573396, 534113303, 122953324, 964873912, |
| 942995378, 87830944, 1012914818, 455484661, |
| 592160054, 599844284, 810394353, 836812568, }, |
| |
| { 688992674, 279465370, 731582262, 687883235, |
| 438178468, 80493001, 342701501, 663561405, |
| 23360106, 531315007, 508931618, 36294623, |
| 231216223, 840438413, 255665680, 663205938, }, |
| |
| { 857265418, 552630887, 8173237, 792122963, |
| 210140052, 823124938, 667709953, 751538219, |
| 991957789, 462064153, 19070176, 726604748, |
| 714567823, 151147895, 1012619677, 697114353, }, |
| |
| { 467105652, 683256174, 702387467, 28730434, |
| 549942998, 48712701, 960519696, 1008345587, |
| 679267717, 370932249, 880419471, 352141567, |
| 331640403, 598772468, 95160685, 812053015, }, |
| |
| { 1053491323, 430526562, 1014938507, 109685515, |
| 765949103, 177288303, 1034642653, 485421658, |
| 71850281, 981034542, 61620389, 601367920, |
| 504420930, 220599168, 583051998, 158735752, }, |
| |
| { 103033901, 522494916, 658494760, 959206022, |
| 931348143, 834510661, 21542994, 189699884, |
| 679327018, 171983002, 96774168, 456133168, |
| 543103352, 923945936, 970074188, 643658485, }, |
| |
| { 566379913, 805798263, 840662512, 820206124, |
| 796507494, 223712542, 118811519, 662246595, |
| 809326534, 416471323, 748027186, 161169753, |
| 739149488, 276330378, 924837051, 964873733, }, |
| |
| { 585882743, 135502711, 3386031, 625631285, |
| 1068193307, 270342640, 432739484, 556606453, |
| 826419155, 1038540977, 158000202, 69109538, |
| 207087256, 298111218, 678046259, 184611498, }, |
| |
| { 305310710, 46237988, 855726974, 735975153, |
| 930663798, 425764232, 104362407, 391371443, |
| 867622101, 71645091, 61824734, 661902640, |
| 293738633, 309416189, 281710675, 879317360, }, |
| |
| { 398146324, 398293087, 689145387, 1038451703, |
| 521637478, 516134620, 314658937, 830334981, |
| 583400300, 340083705, 68029852, 675389876, |
| 994635780, 788959180, 406967042, 74403607, }, |
| |
| { 69463153, 744427484, 191639960, 590927798, |
| 969916795, 546846769, 728756758, 889355646, |
| 520855076, 136068426, 776132410, 189663815, |
| 252051082, 533662856, 362198652, 1026161384, }, |
| |
| { 584984279, 1004834381, 568439705, 834508761, |
| 21812513, 670870173, 1052043300, 341868768, |
| 473755574, 124339439, 36193947, 437997647, |
| 137419489, 58705193, 337793711, 340738909, }, |
| |
| { 898051466, 512792906, 234874060, 655358775, |
| 683745319, 671676404, 428888546, 639928192, |
| 672697722, 176477579, 747020991, 758211282, |
| 443045009, 205395173, 1016944273, 5584717, }, |
| |
| { 156038300, 138620174, 588466825, 1061494056, |
| 1013672100, 1064257198, 881417791, 839470738, |
| 83519030, 100875683, 237486447, 461483733, |
| 681527127, 777996147, 574635362, 815974538, }, |
| |
| { 184168473, 519509808, 62531892, 51821173, |
| 43787358, 385711644, 141325169, 36069511, |
| 584183031, 571372909, 671503175, 226486781, |
| 194932686, 1045460970, 753718579, 331442433, }, |
| |
| { 73065106, 1015327221, 630916840, 1058053470, |
| 306737587, 296343219, 907194989, 920172546, |
| 224516225, 818625553, 551143849, 634570650, |
| 432966225, 756438259, 939564853, 767999933, }, |
| |
| { 884775648, 394862257, 446787794, 219833788, |
| 727195727, 728122304, 249888353, 732947974, |
| 289908868, 448282580, 618161877, 898939716, |
| 739554163, 860631799, 1058977530, 86916736, }, |
| |
| { 143850006, 352708694, 200194048, 979764914, |
| 629404175, 546279766, 72106714, 860980514, |
| 313190585, 897143111, 308425797, 953791785, |
| 349924906, 221457005, 950588925, 908254505, }, |
| |
| { 950032043, 829868728, 68623614, 714624605, |
| 69760597, 297275854, 355894016, 985369737, |
| 882852618, 864071289, 958512902, 950910111, |
| 991368991, 829645051, 434698210, 771350575, }, |
| |
| { 552695074, 319195551, 80297396, 496413831, |
| 944046531, 621525571, 617653363, 416729825, |
| 441842808, 9847464, 99420657, 1033914550, |
| 812966458, 937053011, 673390195, 934577365, }, |
| |
| { 1034695843, 190969665, 332900185, 51897434, |
| 523888639, 883512843, 146908572, 506785674, |
| 565814307, 692255649, 314052926, 826386588, |
| 430691325, 866927620, 413880214, 936474339, }, |
| |
| { 129380164, 741739952, 1013703462, 494392795, |
| 957214600, 1010879043, 931790677, 94551922, |
| 988065869, 120637871, 882506912, 395075379, |
| 210570485, 812422692, 910383687, 817722285, }, |
| |
| { 51850866, 283408630, 1053047202, 858940389, |
| 818507731, 477082181, 353546901, 993324368, |
| 407093779, 231608253, 1067319867, 73159811, |
| 429792535, 971320614, 565699344, 718823399, }, |
| |
| { 408185106, 491493570, 596050720, 310776444, |
| 703628192, 454438809, 523988035, 728512200, |
| 686012353, 976339656, 72816924, 116926720, |
| 165866591, 452043792, 866943072, 968545481, }, |
| |
| { 443231195, 905907843, 1061421320, 746360489, |
| 1043120338, 1069659155, 463359031, 688303227, |
| 186550710, 155347339, 1044842421, 1005904570, |
| 69332909, 706951903, 422513657, 882038450, }, |
| |
| { 430990623, 946501980, 742556791, 278398643, |
| 183759217, 659404315, 279754382, 1069347846, |
| 843746517, 222777670, 990835599, 548741637, |
| 129220580, 1392170, 1032654091, 894058935, }, |
| |
| { 452042227, 751640705, 259481376, 765824585, |
| 145991469, 1013683228, 1055491225, 536379588, |
| 392593350, 913368594, 1029429776, 226857786, |
| 31505342, 1054416381, 32341741, 687106649, }, |
| |
| { 404750944, 811417027, 869530820, 773491060, |
| 810901282, 979340397, 1036910290, 461764404, |
| 834235095, 765695033, 604692390, 452158120, |
| 928988098, 442719218, 1024059719, 167723114, }, |
| |
| { 974245177, 1046377300, 1003424287, 787349855, |
| 336314155, 875074696, 1018462718, 890313003, |
| 367376809, 86355556, 1020618772, 890710345, |
| 444741481, 373230261, 767064947, 840920177, }, |
| |
| { 719581124, 431808156, 138301690, 668222575, |
| 497413494, 740492013, 485033226, 125301442, |
| 831265111, 879071459, 341690480, 152975256, |
| 850330086, 717444507, 694225877, 785340566, }, |
| |
| { 1032766252, 140959364, 737474726, 1062767538, |
| 364464647, 331414723, 356152634, 642832379, |
| 158733632, 374691640, 285504811, 345349905, |
| 876599880, 476392727, 479589210, 606376325, }, |
| |
| { 174997730, 778177086, 319164313, 163614456, |
| 10331364, 599358958, 8331663, 237538058, |
| 159173957, 174533880, 65588684, 878222844, |
| 424467599, 901803515, 187504218, 776690353, }, |
| |
| { 803856182, 965850321, 694948067, 218315960, |
| 358416571, 683713254, 178069303, 428076035, |
| 686176454, 579553217, 357306738, 315018080, |
| 886852373, 568563910, 896839725, 257416821, }, |
| |
| { 401650013, 183289141, 497957228, 879734476, |
| 265024455, 825794561, 889237440, 323359863, |
| 100258491, 991414783, 313986632, 85847250, |
| 362520248, 276103512, 1041630342, 525981595, }, |
| |
| { 487732740, 46201705, 990837834, 62744493, |
| 1067364756, 58015363, 690846283, 680262648, |
| 997278956, 469357861, 432164624, 996763915, |
| 211907847, 167824295, 144928194, 454839915, }, |
| |
| { 41404232, 514493300, 259546924, 578217256, |
| 972345130, 123299213, 346040332, 1014668104, |
| 520910639, 579955198, 36627803, 179072921, |
| 547684341, 598950511, 269497394, 854352266, }, |
| |
| { 603906768, 100863318, 708837659, 204175569, |
| 375560904, 908375384, 28314106, 6303733, |
| 175283124, 749851198, 308667367, 415293931, |
| 225365403, 1032188331, 977112710, 819705229, }, |
| |
| { 399767123, 697985692, 356790426, 643687584, |
| 298624218, 185095167, 381653926, 876816342, |
| 296720023, 2205879, 235816616, 521850105, |
| 622753786, 1021421218, 726349744, 256504902, }, |
| |
| { 851245024, 1022500222, 511909628, 313809625, |
| 99776025, 39710175, 798739932, 741832408, |
| 140631966, 898295927, 607660421, 870669312, |
| 1051422478, 789055529, 669113756, 681943450, }, |
| |
| { 853872755, 491465269, 503341472, 98019440, |
| 258267420, 335602837, 320687824, 1053324395, |
| 24932389, 955011453, 934255131, 435625663, |
| 501568768, 238967025, 549987406, 248619780, }, |
| |
| { 411151284, 576471205, 757985419, 544137226, |
| 968135693, 877548443, 194586894, 74882373, |
| 248353663, 21207540, 273789651, 853653916, |
| 861267970, 533253322, 3739570, 661358586, }, |
| |
| { 271430986, 71390029, 257643671, 949329860, |
| 348156406, 251939238, 445808698, 48269799, |
| 907589462, 105677619, 635451508, 20805932, |
| 464874661, 7542147, 243619464, 288304568, }, |
| |
| { 368215982, 530288964, 770090421, 660961164, |
| 614935537, 630760399, 931299233, 794519275, |
| 779918979, 401746493, 561237006, 1027202224, |
| 258968003, 339508073, 1050610516, 1064307013, }, |
| |
| { 1039172162, 448331205, 928997884, 49813151, |
| 198712120, 992335354, 671024050, 879525220, |
| 745915336, 1038822580, 138669665, 917958819, |
| 681422342, 792868818, 924762727, 816386174, }, |
| |
| { 515190336, 313808618, 441296783, 1022120897, |
| 792325033, 354387581, 59273006, 280075434, |
| 411357221, 665274694, 4054464, 1059046246, |
| 394261773, 848616745, 15446017, 517723271, }, |
| }; |
| |
| H3::H3(const BloomFilterH3Params* p) |
| : MultiBitSel(p) |
| { |
| fatal_if(numHashes > 16, "There are only 16 H3 functions implemented."); |
| } |
| |
| H3::~H3() |
| { |
| } |
| |
| int |
| H3::hash(Addr addr, int hash_number) const |
| { |
| uint64_t val = |
| bits(addr, std::numeric_limits<Addr>::digits - 1, offsetBits); |
| int result = 0; |
| |
| for (int i = 0; (i < 64) && val; i++, val >>= 1) { |
| if (val & 1) { |
| result ^= H3Matrix[i][hash_number]; |
| } |
| } |
| |
| if (isParallel) { |
| return (result % parFilterSize) + hash_number * parFilterSize; |
| } else { |
| return result % filter.size(); |
| } |
| } |
| |
| } // namespace BloomFilter |
| |
| BloomFilter::H3* |
| BloomFilterH3Params::create() |
| { |
| return new BloomFilter::H3(this); |
| } |
| |
