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h3_bloom_filter.cc
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1/*
2 * Copyright (c) 2019 Inria
3 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer;
10 * redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution;
13 * neither the name of the copyright holders nor the names of its
14 * contributors may be used to endorse or promote products derived from
15 * this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#include "base/filters/h3_bloom_filter.hh"
31
32#include <limits>
33
34#include "base/bitfield.hh"
35#include "base/logging.hh"
36#include "params/BloomFilterH3.hh"
37
38namespace gem5
39{
40
41namespace bloom_filter
42{
43
44static int H3Matrix[64][16] = {
45 { 33268410, 395488709, 311024285, 456111753,
46 181495008, 119997521, 220697869, 433891432,
47 755927921, 515226970, 719448198, 349842774,
48 269183649, 463275672, 429800228, 521598937, },
49
50 { 628677802, 820947732, 809435975, 1024657192,
51 887631270, 412050215, 391365090, 324227279,
52 318338329, 1038393087, 489807930, 387366128,
53 518096428, 324184340, 429376066, 447109279, },
54
55 { 599747653, 404960623, 103933604, 946416030,
56 656460913, 925957005, 1047665689, 163552053,
57 88359290, 841315415, 899833584, 1067336680,
58 348549994, 464045876, 270252128, 829897652, },
59
60 { 215495230, 966696438, 82589012, 750102795,
61 909780866, 920285789, 769759214, 331966823,
62 939936006, 439950703, 883794828, 1009277508,
63 61634610, 741444350, 98689608, 524144422, },
64
65 { 93868534, 196958667, 774076619, 327921978,
66 122538783, 879785030, 690748527, 3498564,
67 83163077, 1027963025, 582088444, 466152216,
68 312424878, 550064499, 646612667, 561099434, },
69
70 { 1002047931, 395477707, 821317480, 890482112,
71 697094476, 263813044, 840275189, 469664185,
72 795625845, 211504898, 99204277, 1004491153,
73 725930417, 1064479221, 893834767, 839719181, },
74
75 { 278507126, 985111995, 706462983, 1042178726,
76 123281719, 963778122, 500881056, 726291104,
77 134293026, 568379664, 317050609, 533470307,
78 1022365922, 197645211, 315125721, 634827678, },
79
80 { 219227366, 553960647, 870169525, 322232839,
81 508322497, 648672696, 249405795, 883596102,
82 476433133, 541372919, 646647793, 1042679515,
83 43242483, 600187508, 499866821, 135713210, },
84
85 { 52837162, 96966684, 401840460, 1071661176,
86 733560065, 150035417, 341319946, 811582750,
87 636173904, 519054065, 196321433, 1028294565,
88 882204070, 522965093, 48884074, 117810166, },
89
90 { 650860353, 789534698, 328813544, 473250022,
91 143128306, 173196006, 846958825, 174632187,
92 683273509, 405459497, 787235556, 773873501,
93 240110267, 426797736, 92043842, 711789240, },
94
95 { 586637493, 5059646, 398035664, 6686087,
96 498300175, 948278148, 681227731, 592751744,
97 572019677, 558044722, 589368271, 695745538,
98 1073416749, 529192035, 550984939, 1070620580, },
99
100 { 102904663, 647598516, 758863940, 313426443,
101 76504114, 1050747783, 708436441, 563815069,
102 224107668, 875925186, 167675944, 926209739,
103 279737287, 1040288182, 768184312, 371708956, },
104
105 { 683968868, 1027427757, 180781926, 742898864,
106 624078545, 645659833, 577225838, 987150210,
107 723410002, 224013421, 993286634, 33188488,
108 247264323, 888018697, 38048664, 189037096, },
109
110 { 475612146, 426739285, 873726278, 529192871,
111 607715202, 388486246, 987001312, 474493980,
112 259747270, 417465536, 217062395, 392858482,
113 563810075, 137852805, 1051814153, 72895217, },
114
115 { 71277086, 785496675, 500608842, 89633426,
116 274085706, 248467935, 838061983, 48106147,
117 773662506, 49545328, 9071573, 100739031,
118 602018002, 904371654, 534132064, 332211304, },
119
120 { 401893602, 735125342, 775548339, 210224843,
121 256081130, 482894412, 350801633, 1035713633,
122 429458128, 327281409, 739927752, 359327650,
123 886942880, 847691759, 752417993, 359445596, },
124
125 { 267472014, 1050659620, 1068232362, 1049684368,
126 17130239, 690524969, 793224378, 14455158,
127 423092885, 873853424, 430535778, 7867877,
128 309731959, 370260786, 862353083, 403906850, },
129
130 { 993077283, 218812656, 389234651, 393202875,
131 413116501, 263300295, 470013158, 592730725,
132 441847172, 732392823, 407574059, 875664777,
133 271347307, 792954404, 554774761, 1022424300, },
134
135 { 675919719, 637054073, 784720745, 149714381,
136 813144874, 502525801, 635436670, 1003196587,
137 160786091, 947509775, 969788637, 26854073,
138 257964369, 63898568, 539767732, 772364518, },
139
140 { 943076868, 1021732472, 697575075, 15843624,
141 617573396, 534113303, 122953324, 964873912,
142 942995378, 87830944, 1012914818, 455484661,
143 592160054, 599844284, 810394353, 836812568, },
144
145 { 688992674, 279465370, 731582262, 687883235,
146 438178468, 80493001, 342701501, 663561405,
147 23360106, 531315007, 508931618, 36294623,
148 231216223, 840438413, 255665680, 663205938, },
149
150 { 857265418, 552630887, 8173237, 792122963,
151 210140052, 823124938, 667709953, 751538219,
152 991957789, 462064153, 19070176, 726604748,
153 714567823, 151147895, 1012619677, 697114353, },
154
155 { 467105652, 683256174, 702387467, 28730434,
156 549942998, 48712701, 960519696, 1008345587,
157 679267717, 370932249, 880419471, 352141567,
158 331640403, 598772468, 95160685, 812053015, },
159
160 { 1053491323, 430526562, 1014938507, 109685515,
161 765949103, 177288303, 1034642653, 485421658,
162 71850281, 981034542, 61620389, 601367920,
163 504420930, 220599168, 583051998, 158735752, },
164
165 { 103033901, 522494916, 658494760, 959206022,
166 931348143, 834510661, 21542994, 189699884,
167 679327018, 171983002, 96774168, 456133168,
168 543103352, 923945936, 970074188, 643658485, },
169
170 { 566379913, 805798263, 840662512, 820206124,
171 796507494, 223712542, 118811519, 662246595,
172 809326534, 416471323, 748027186, 161169753,
173 739149488, 276330378, 924837051, 964873733, },
174
175 { 585882743, 135502711, 3386031, 625631285,
176 1068193307, 270342640, 432739484, 556606453,
177 826419155, 1038540977, 158000202, 69109538,
178 207087256, 298111218, 678046259, 184611498, },
179
180 { 305310710, 46237988, 855726974, 735975153,
181 930663798, 425764232, 104362407, 391371443,
182 867622101, 71645091, 61824734, 661902640,
183 293738633, 309416189, 281710675, 879317360, },
184
185 { 398146324, 398293087, 689145387, 1038451703,
186 521637478, 516134620, 314658937, 830334981,
187 583400300, 340083705, 68029852, 675389876,
188 994635780, 788959180, 406967042, 74403607, },
189
190 { 69463153, 744427484, 191639960, 590927798,
191 969916795, 546846769, 728756758, 889355646,
192 520855076, 136068426, 776132410, 189663815,
193 252051082, 533662856, 362198652, 1026161384, },
194
195 { 584984279, 1004834381, 568439705, 834508761,
196 21812513, 670870173, 1052043300, 341868768,
197 473755574, 124339439, 36193947, 437997647,
198 137419489, 58705193, 337793711, 340738909, },
199
200 { 898051466, 512792906, 234874060, 655358775,
201 683745319, 671676404, 428888546, 639928192,
202 672697722, 176477579, 747020991, 758211282,
203 443045009, 205395173, 1016944273, 5584717, },
204
205 { 156038300, 138620174, 588466825, 1061494056,
206 1013672100, 1064257198, 881417791, 839470738,
207 83519030, 100875683, 237486447, 461483733,
208 681527127, 777996147, 574635362, 815974538, },
209
210 { 184168473, 519509808, 62531892, 51821173,
211 43787358, 385711644, 141325169, 36069511,
212 584183031, 571372909, 671503175, 226486781,
213 194932686, 1045460970, 753718579, 331442433, },
214
215 { 73065106, 1015327221, 630916840, 1058053470,
216 306737587, 296343219, 907194989, 920172546,
217 224516225, 818625553, 551143849, 634570650,
218 432966225, 756438259, 939564853, 767999933, },
219
220 { 884775648, 394862257, 446787794, 219833788,
221 727195727, 728122304, 249888353, 732947974,
222 289908868, 448282580, 618161877, 898939716,
223 739554163, 860631799, 1058977530, 86916736, },
224
225 { 143850006, 352708694, 200194048, 979764914,
226 629404175, 546279766, 72106714, 860980514,
227 313190585, 897143111, 308425797, 953791785,
228 349924906, 221457005, 950588925, 908254505, },
229
230 { 950032043, 829868728, 68623614, 714624605,
231 69760597, 297275854, 355894016, 985369737,
232 882852618, 864071289, 958512902, 950910111,
233 991368991, 829645051, 434698210, 771350575, },
234
235 { 552695074, 319195551, 80297396, 496413831,
236 944046531, 621525571, 617653363, 416729825,
237 441842808, 9847464, 99420657, 1033914550,
238 812966458, 937053011, 673390195, 934577365, },
239
240 { 1034695843, 190969665, 332900185, 51897434,
241 523888639, 883512843, 146908572, 506785674,
242 565814307, 692255649, 314052926, 826386588,
243 430691325, 866927620, 413880214, 936474339, },
244
245 { 129380164, 741739952, 1013703462, 494392795,
246 957214600, 1010879043, 931790677, 94551922,
247 988065869, 120637871, 882506912, 395075379,
248 210570485, 812422692, 910383687, 817722285, },
249
250 { 51850866, 283408630, 1053047202, 858940389,
251 818507731, 477082181, 353546901, 993324368,
252 407093779, 231608253, 1067319867, 73159811,
253 429792535, 971320614, 565699344, 718823399, },
254
255 { 408185106, 491493570, 596050720, 310776444,
256 703628192, 454438809, 523988035, 728512200,
257 686012353, 976339656, 72816924, 116926720,
258 165866591, 452043792, 866943072, 968545481, },
259
260 { 443231195, 905907843, 1061421320, 746360489,
261 1043120338, 1069659155, 463359031, 688303227,
262 186550710, 155347339, 1044842421, 1005904570,
263 69332909, 706951903, 422513657, 882038450, },
264
265 { 430990623, 946501980, 742556791, 278398643,
266 183759217, 659404315, 279754382, 1069347846,
267 843746517, 222777670, 990835599, 548741637,
268 129220580, 1392170, 1032654091, 894058935, },
269
270 { 452042227, 751640705, 259481376, 765824585,
271 145991469, 1013683228, 1055491225, 536379588,
272 392593350, 913368594, 1029429776, 226857786,
273 31505342, 1054416381, 32341741, 687106649, },
274
275 { 404750944, 811417027, 869530820, 773491060,
276 810901282, 979340397, 1036910290, 461764404,
277 834235095, 765695033, 604692390, 452158120,
278 928988098, 442719218, 1024059719, 167723114, },
279
280 { 974245177, 1046377300, 1003424287, 787349855,
281 336314155, 875074696, 1018462718, 890313003,
282 367376809, 86355556, 1020618772, 890710345,
283 444741481, 373230261, 767064947, 840920177, },
284
285 { 719581124, 431808156, 138301690, 668222575,
286 497413494, 740492013, 485033226, 125301442,
287 831265111, 879071459, 341690480, 152975256,
288 850330086, 717444507, 694225877, 785340566, },
289
290 { 1032766252, 140959364, 737474726, 1062767538,
291 364464647, 331414723, 356152634, 642832379,
292 158733632, 374691640, 285504811, 345349905,
293 876599880, 476392727, 479589210, 606376325, },
294
295 { 174997730, 778177086, 319164313, 163614456,
296 10331364, 599358958, 8331663, 237538058,
297 159173957, 174533880, 65588684, 878222844,
298 424467599, 901803515, 187504218, 776690353, },
299
300 { 803856182, 965850321, 694948067, 218315960,
301 358416571, 683713254, 178069303, 428076035,
302 686176454, 579553217, 357306738, 315018080,
303 886852373, 568563910, 896839725, 257416821, },
304
305 { 401650013, 183289141, 497957228, 879734476,
306 265024455, 825794561, 889237440, 323359863,
307 100258491, 991414783, 313986632, 85847250,
308 362520248, 276103512, 1041630342, 525981595, },
309
310 { 487732740, 46201705, 990837834, 62744493,
311 1067364756, 58015363, 690846283, 680262648,
312 997278956, 469357861, 432164624, 996763915,
313 211907847, 167824295, 144928194, 454839915, },
314
315 { 41404232, 514493300, 259546924, 578217256,
316 972345130, 123299213, 346040332, 1014668104,
317 520910639, 579955198, 36627803, 179072921,
318 547684341, 598950511, 269497394, 854352266, },
319
320 { 603906768, 100863318, 708837659, 204175569,
321 375560904, 908375384, 28314106, 6303733,
322 175283124, 749851198, 308667367, 415293931,
323 225365403, 1032188331, 977112710, 819705229, },
324
325 { 399767123, 697985692, 356790426, 643687584,
326 298624218, 185095167, 381653926, 876816342,
327 296720023, 2205879, 235816616, 521850105,
328 622753786, 1021421218, 726349744, 256504902, },
329
330 { 851245024, 1022500222, 511909628, 313809625,
331 99776025, 39710175, 798739932, 741832408,
332 140631966, 898295927, 607660421, 870669312,
333 1051422478, 789055529, 669113756, 681943450, },
334
335 { 853872755, 491465269, 503341472, 98019440,
336 258267420, 335602837, 320687824, 1053324395,
337 24932389, 955011453, 934255131, 435625663,
338 501568768, 238967025, 549987406, 248619780, },
339
340 { 411151284, 576471205, 757985419, 544137226,
341 968135693, 877548443, 194586894, 74882373,
342 248353663, 21207540, 273789651, 853653916,
343 861267970, 533253322, 3739570, 661358586, },
344
345 { 271430986, 71390029, 257643671, 949329860,
346 348156406, 251939238, 445808698, 48269799,
347 907589462, 105677619, 635451508, 20805932,
348 464874661, 7542147, 243619464, 288304568, },
349
350 { 368215982, 530288964, 770090421, 660961164,
351 614935537, 630760399, 931299233, 794519275,
352 779918979, 401746493, 561237006, 1027202224,
353 258968003, 339508073, 1050610516, 1064307013, },
354
355 { 1039172162, 448331205, 928997884, 49813151,
356 198712120, 992335354, 671024050, 879525220,
357 745915336, 1038822580, 138669665, 917958819,
358 681422342, 792868818, 924762727, 816386174, },
359
360 { 515190336, 313808618, 441296783, 1022120897,
361 792325033, 354387581, 59273006, 280075434,
362 411357221, 665274694, 4054464, 1059046246,
363 394261773, 848616745, 15446017, 517723271, },
364};
365
366H3::H3(const BloomFilterH3Params &p)
367 : MultiBitSel(p)
368{
369 fatal_if(numHashes > 16, "There are only 16 H3 functions implemented.");
370}
371
372H3::~H3()
373{
374}
375
376int
377H3::hash(Addr addr, int hash_number) const
378{
379 uint64_t val =
380 bits(addr, std::numeric_limits<Addr>::digits - 1, offsetBits);
381 int result = 0;
382
383 for (int i = 0; (i < 64) && val; i++, val >>= 1) {
384 if (val & 1) {
385 result ^= H3Matrix[i][hash_number];
386 }
387 }
388
389 if (isParallel) {
390 return (result % parFilterSize) + hash_number * parFilterSize;
391 } else {
392 return result % filter.size();
393 }
394}
395
396} // namespace bloom_filter
397} // namespace gem5
gem5::bloom_filter::Base::filter
std::vector< SatCounter8 > filter
The filter itself.
Definition base.hh:55
gem5::bloom_filter::Base::offsetBits
const unsigned offsetBits
Number of LSB bits to ignore from the the addresses.
Definition base.hh:52
gem5::bloom_filter::H3::~H3
~H3()
Definition h3_bloom_filter.cc:372
gem5::bloom_filter::H3::hash
int hash(Addr addr, int hash_number) const override
Apply the selected the hash functions to an address.
Definition h3_bloom_filter.cc:377
gem5::bloom_filter::H3::H3
H3(const BloomFilterH3Params &p)
Definition h3_bloom_filter.cc:366
gem5::bloom_filter::MultiBitSel
The MultiBitSel Bloom Filter associates an address to multiple entries through the use of multiple ha...
Definition multi_bit_sel_bloom_filter.hh:48
gem5::bloom_filter::MultiBitSel::isParallel
const bool isParallel
Whether hashing should be performed in parallel.
Definition multi_bit_sel_bloom_filter.hh:72
gem5::bloom_filter::MultiBitSel::parFilterSize
const int parFilterSize
Size of the filter when doing parallel hashing.
Definition multi_bit_sel_bloom_filter.hh:69
gem5::bloom_filter::MultiBitSel::numHashes
const int numHashes
Number of hashes.
Definition multi_bit_sel_bloom_filter.hh:66
gem5::bits
constexpr T bits(T val, unsigned first, unsigned last)
Extract the bitfield from position 'first' to 'last' (inclusive) from 'val' and right justify it.
Definition bitfield.hh:76
fatal_if
#define fatal_if(cond,...)
Conditional fatal macro that checks the supplied condition and only causes a fatal error if the condi...
Definition logging.hh:236
h3_bloom_filter.hh
gem5::ArmISA::i
Bitfield< 7 > i
Definition misc_types.hh:67
gem5::MipsISA::p
Bitfield< 0 > p
Definition pra_constants.hh:326
gem5::X86ISA::val
Bitfield< 63 > val
Definition misc.hh:776
gem5::X86ISA::addr
Bitfield< 3 > addr
Definition types.hh:84
gem5::bloom_filter::H3Matrix
static int H3Matrix[64][16]
Definition h3_bloom_filter.cc:44
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition gpu_translation_state.hh:38
gem5::Addr
uint64_t Addr
Address type This will probably be moved somewhere else in the near future.
Definition types.hh:147
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