/* * 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. */ #include "mem/ruby/filters/H3BloomFilter.hh" #include "base/intmath.hh" #include "base/logging.hh" using namespace std; static int H3[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, }, }; H3BloomFilter::H3BloomFilter(int size, int hashes, bool parallel) { //TODO: change this ugly init code... primes_list[0] = 9323; primes_list[1] = 11279; primes_list[2] = 10247; primes_list[3] = 30637; primes_list[4] = 25717; primes_list[5] = 43711; mults_list[0] = 255; mults_list[1] = 29; mults_list[2] = 51; mults_list[3] = 3; mults_list[4] = 77; mults_list[5] = 43; adds_list[0] = 841; adds_list[1] = 627; adds_list[2] = 1555; adds_list[3] = 241; adds_list[4] = 7777; adds_list[5] = 65931; m_filter_size = size; m_num_hashes = hashes; isParallel = parallel; m_filter_size_bits = floorLog2(m_filter_size); m_par_filter_size = m_filter_size / m_num_hashes; m_par_filter_size_bits = floorLog2(m_par_filter_size); m_filter.resize(m_filter_size); clear(); } H3BloomFilter::~H3BloomFilter() { } void H3BloomFilter::clear() { for (int i = 0; i < m_filter_size; i++) { m_filter[i] = 0; } } void H3BloomFilter::increment(Addr addr) { // Not used } void H3BloomFilter::decrement(Addr addr) { // Not used } void H3BloomFilter::merge(AbstractBloomFilter *other_filter) { // assumes both filters are the same size! H3BloomFilter * temp = (H3BloomFilter*) other_filter; for (int i = 0; i < m_filter_size; ++i){ m_filter[i] |= (*temp)[i]; } } void H3BloomFilter::set(Addr addr) { for (int i = 0; i < m_num_hashes; i++) { int idx = get_index(addr, i); m_filter[idx] = 1; } } void H3BloomFilter::unset(Addr addr) { panic("ERROR: Unset should never be called in a Bloom filter"); } bool H3BloomFilter::isSet(Addr addr) { bool res = true; for (int i = 0; i < m_num_hashes; i++) { int idx = get_index(addr, i); res = res && m_filter[idx]; } return res; } int H3BloomFilter::getCount(Addr addr) { return isSet(addr)? 1: 0; } int H3BloomFilter::getIndex(Addr addr) { return 0; } int H3BloomFilter::readBit(const int index) { return 0; } void H3BloomFilter::writeBit(const int index, const int value) { } int H3BloomFilter::getTotalCount() { int count = 0; for (int i = 0; i < m_filter_size; i++) { count += m_filter[i]; } return count; } void H3BloomFilter::print(ostream& out) const { } int H3BloomFilter::get_index(Addr addr, int i) { uint64_t x = makeLineAddress(addr); // uint64_t y = (x*mults_list[i] + adds_list[i]) % primes_list[i]; int y = hash_H3(x,i); if (isParallel) { return (y % m_par_filter_size) + i*m_par_filter_size; } else { return y % m_filter_size; } } int H3BloomFilter::hash_H3(uint64_t value, int index) { uint64_t mask = 1; uint64_t val = value; int result = 0; for (int i = 0; i < 64; i++) { if (val&mask) result ^= H3[i][index]; val = val >> 1; } return result; }