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fix(simulation): correct exponential sampling and cache behavior logic

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- Fixed incorrect use of exponential sampling for `next_request` and `next_refresh` timings.
- Adjusted cache eviction logic to properly handle capacity checks.
- Improved simulation output and logging for least accessed objects.
- Corrected CSV export to include index labels for better data clarity.
- Reran experiments

Signed-off-by: Tuan-Dat Tran <tuan-dat.tran@tudattr.dev>
This commit is contained in:
Tuan-Dat Tran
2024-11-28 11:19:04 +01:00
parent dea6004160
commit 09b943e41d
41 changed files with 1828 additions and 1435 deletions
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200
experiments/No_Refresh_3_0s_ttl/details.csv
View File

@@ -1,100 +1,100 @@
,access_count,hits,misses,mu,lambda,hit_rate,avg_age
1,664,494,170,0,1,45.28,1.45748987854251
2,212,96,116,0,3,74.15,1.5416666666666667
3,673,499,174,0,1,76.65,1.4909819639278556
4,711,545,166,0,1,60.0,1.6018348623853211
5,345,207,138,0,2,73.96,1.5507246376811594
6,649,480,169,0,1,38.69,1.5833333333333333
7,137,53,84,0,5,74.3,1.6603773584905661
8,681,506,175,0,1,74.6,1.4703557312252964
9,689,514,175,0,1,74.66,1.461089494163424
10,667,498,169,0,1,60.37,1.4759036144578312
11,328,198,130,0,2,75.29,1.4444444444444444
12,692,521,171,0,1,74.96,1.4491362763915547
13,683,512,171,0,1,74.71,1.537109375
14,696,520,176,0,1,60.76,1.5596153846153846
15,344,209,135,0,2,59.2,1.5023923444976077
16,326,193,133,0,2,75.47,1.5803108808290156
17,689,520,169,0,1,75.11,1.6423076923076922
18,691,519,172,0,1,51.6,1.5260115606936415
19,219,113,106,0,3,75.96,1.6106194690265487
20,732,556,176,0,1,76.32,1.4460431654676258
21,739,564,175,0,1,75.26,1.5088652482269505
22,683,514,169,0,1,74.78,1.5291828793774318
23,670,501,169,0,1,57.4,1.403193612774451
24,331,190,141,0,2,75.83,1.563157894736842
25,724,549,175,0,1,74.86,1.5136612021857923
26,692,518,174,0,1,75.74,1.5347490347490347
27,705,534,171,0,1,37.23,1.4138576779026217
28,137,51,86,0,5,75.15,1.5098039215686274
29,672,505,167,0,1,74.64,1.506930693069307
30,694,518,176,0,1,74.78,1.555984555984556
31,674,504,170,0,1,38.89,1.5297619047619047
32,144,56,88,0,4,74.93,1.5
33,670,502,168,0,1,31.91,1.4302788844621515
34,141,45,96,0,4,74.66,1.3777777777777778
35,659,492,167,0,1,75.4,1.5142276422764227
36,691,521,170,0,1,76.12,1.5009596928982725
37,737,561,176,0,1,48.86,1.5080213903743316
38,219,107,112,0,3,28.0,1.5794392523364487
39,100,28,72,0,8,75.91,1.6785714285714286
40,714,542,172,0,1,42.39,1.6199261992619927
41,184,78,106,0,4,43.48,1.7179487179487178
42,161,70,91,0,4,61.88,1.6857142857142857
43,362,224,138,0,2,75.43,1.3392857142857142
44,696,525,171,0,1,73.21,1.5447619047619048
45,627,459,168,0,1,75.15,1.5359477124183007
46,648,487,161,0,1,22.64,1.5010266940451746
47,53,12,41,0,10,74.85,1.9166666666666667
48,676,506,170,0,1,73.98,1.5118577075098814
49,638,472,166,0,1,74.59,1.4406779661016949
50,673,502,171,0,1,39.06,1.4760956175298805
51,128,50,78,0,5,21.18,1.44
52,85,18,67,0,9,76.57,1.2777777777777777
53,747,572,175,0,1,76.0,1.4912587412587412
54,700,532,168,0,1,75.25,1.5432330827067668
55,687,517,170,0,1,75.42,1.4700193423597678
56,720,543,177,0,1,75.36,1.3922651933701657
57,690,520,170,0,1,10.0,1.5288461538461537
58,40,4,36,0,17,60.69,1.5
59,318,193,125,0,2,74.93,1.5025906735751295
60,674,505,169,0,1,21.74,1.508910891089109
61,23,5,18,0,26,75.55,0.6
62,724,547,177,0,1,74.2,1.5045703839122486
63,628,466,162,0,1,60.29,1.4785407725321889
64,345,208,137,0,2,74.89,1.4519230769230769
65,681,510,171,0,1,23.29,1.4843137254901961
66,73,17,56,0,10,74.35,1.588235294117647
67,651,484,167,0,1,0.0,1.493801652892562
68,10,0,10,0,69,73.9,0.0
69,636,470,166,0,1,74.7,1.553191489361702
70,656,490,166,0,1,61.56,1.530612244897959
71,372,229,143,0,2,75.52,1.5327510917030567
72,678,512,166,0,1,73.51,1.484375
73,638,469,169,0,1,74.89,1.4179104477611941
74,685,513,172,0,1,44.28,1.557504873294347
75,201,89,112,0,3,59.88,1.5056179775280898
76,344,206,138,0,2,61.45,1.441747572815534
77,345,212,133,0,2,50.19,1.4433962264150944
78,261,131,130,0,3,10.64,1.4885496183206106
79,47,5,42,0,15,75.3,0.8
80,660,497,163,0,1,74.29,1.5070422535211268
81,634,471,163,0,1,37.96,1.4692144373673035
82,137,52,85,0,5,57.28,1.5192307692307692
83,309,177,132,0,2,75.51,1.5197740112994351
84,686,518,168,0,1,74.63,1.494208494208494
85,682,509,173,0,1,58.39,1.3889980353634577
86,322,188,134,0,2,74.7,1.5106382978723405
87,676,505,171,0,1,58.15,1.4792079207920792
88,325,189,136,0,2,75.62,1.3915343915343916
89,689,521,168,0,1,75.11,1.5335892514395393
90,695,522,173,0,1,62.35,1.496168582375479
91,324,202,122,0,2,60.53,1.5792079207920793
92,337,204,133,0,2,47.75,1.392156862745098
93,222,106,116,0,3,75.07,1.4622641509433962
94,686,515,171,0,1,62.39,1.5728155339805825
95,351,219,132,0,2,76.29,1.5342465753424657
96,717,547,170,0,1,74.4,1.4204753199268738
97,664,494,170,0,1,8.7,1.4412955465587045
98,23,2,21,0,37,46.96,3.0
99,181,85,96,0,4,59.64,1.411764705882353
obj_id,access_count,hits,misses,mu,lambda,hit_rate,avg_age
1,122,91,31,0,1,90.05,1.3406593406593406
2,382,344,38,0,3,74.02,1.563953488372093
3,127,94,33,0,1,73.45,1.6063829787234043
4,113,83,30,0,1,85.25,1.3373493975903614
5,244,208,36,0,2,72.41,1.4663461538461537
6,116,84,32,0,1,94.05,1.380952380952381
7,656,617,39,0,5,75.78,1.4376012965964344
8,128,97,31,0,1,71.93,1.5876288659793814
9,114,82,32,0,1,73.91,1.451219512195122
10,115,85,30,0,1,85.77,1.423529411764706
11,246,211,35,0,2,75.76,1.5023696682464456
12,132,100,32,0,1,77.7,1.38
13,139,108,31,0,1,75.0,1.5
14,120,90,30,0,1,86.59,1.4333333333333333
15,261,226,35,0,2,84.44,1.407079646017699
16,225,190,35,0,2,75.83,1.5947368421052632
17,120,91,29,0,1,73.5,1.6813186813186813
18,117,86,31,0,1,89.72,1.4534883720930232
19,360,323,37,0,3,71.79,1.5386996904024768
20,117,84,33,0,1,76.12,1.5119047619047619
21,134,102,32,0,1,78.23,1.4607843137254901
22,147,115,32,0,1,76.06,1.626086956521739
23,142,108,34,0,1,86.36,1.5092592592592593
24,264,228,36,0,2,74.8,1.4298245614035088
25,123,92,31,0,1,77.3,1.5869565217391304
26,141,109,32,0,1,76.56,1.6238532110091743
27,128,98,30,0,1,93.09,1.5714285714285714
28,564,525,39,0,5,75.94,1.6152380952380951
29,133,101,32,0,1,75.2,1.3564356435643565
30,125,94,31,0,1,72.17,1.351063829787234
31,115,83,32,0,1,91.88,1.5060240963855422
32,468,430,38,0,4,74.14,1.6046511627906976
33,116,86,30,0,1,92.37,1.4767441860465116
34,498,460,38,0,4,76.52,1.5260869565217392
35,132,101,31,0,1,70.0,1.5940594059405941
36,100,70,30,0,1,77.85,1.4142857142857144
37,149,116,33,0,1,89.3,1.3793103448275863
38,355,317,38,0,3,95.84,1.4889589905362777
39,962,922,40,0,8,75.0,1.4663774403470715
40,128,96,32,0,1,91.98,1.3541666666666667
41,474,436,38,0,4,92.12,1.4426605504587156
42,495,456,39,0,4,84.04,1.5328947368421053
43,213,179,34,0,2,73.21,1.3463687150837989
44,112,82,30,0,1,75.19,1.4024390243902438
45,129,97,32,0,1,76.69,1.5257731958762886
46,133,102,31,0,1,96.83,1.3529411764705883
47,1262,1222,40,0,10,77.21,1.6129296235679214
48,136,105,31,0,1,78.01,1.4190476190476191
49,141,110,31,0,1,72.27,1.4181818181818182
50,119,86,33,0,1,93.66,1.372093023255814
51,599,561,38,0,5,96.47,1.3315508021390374
52,1106,1067,39,0,9,74.38,1.4142455482661669
53,121,90,31,0,1,74.81,1.4
54,131,98,33,0,1,76.61,1.5204081632653061
55,124,95,29,0,1,76.92,1.7263157894736842
56,130,100,30,0,1,74.19,1.49
57,124,92,32,0,1,98.06,1.641304347826087
58,2118,2077,41,0,17,82.44,1.3885411651420319
59,205,169,36,0,2,76.64,1.4911242603550297
60,137,105,32,0,1,98.73,1.6
61,3216,3175,41,0,26,76.81,1.4125984251968504
62,138,106,32,0,1,72.65,1.5754716981132075
63,117,85,32,0,1,86.36,1.611764705882353
64,264,228,36,0,2,77.7,1.5921052631578947
65,139,108,31,0,1,96.79,1.6574074074074074
66,1248,1208,40,0,10,79.45,1.471026490066225
67,146,116,30,0,1,99.51,1.4655172413793103
68,8414,8373,41,0,69,74.14,1.324973127911143
69,116,86,30,0,1,75.83,1.3604651162790697
70,120,91,29,0,1,85.25,1.4945054945054945
71,244,208,36,0,2,72.65,1.3894230769230769
72,117,85,32,0,1,74.81,1.6941176470588235
73,131,98,33,0,1,79.58,1.6020408163265305
74,142,113,29,0,1,89.21,1.5575221238938053
75,343,306,37,0,3,86.0,1.522875816993464
76,250,215,35,0,2,85.77,1.4651162790697674
77,253,217,36,0,2,90.61,1.391705069124424
78,394,357,37,0,3,97.85,1.464985994397759
79,1910,1869,41,0,15,75.83,1.4804708400214017
80,120,91,29,0,1,76.03,1.4065934065934067
81,121,92,29,0,1,93.97,1.4021739130434783
82,647,608,39,0,5,85.89,1.4769736842105263
83,248,213,35,0,2,77.08,1.3990610328638498
84,144,111,33,0,1,70.37,1.4954954954954955
85,108,76,32,0,1,83.41,1.4342105263157894
86,211,176,35,0,2,75.37,1.6193181818181819
87,134,101,33,0,1,84.38,1.4059405940594059
88,224,189,35,0,2,76.3,1.433862433862434
89,135,103,32,0,1,73.39,1.5242718446601942
90,124,91,33,0,1,85.83,1.4945054945054945
91,240,206,34,0,2,84.72,1.4563106796116505
92,229,194,35,0,2,90.33,1.4793814432989691
93,393,355,38,0,3,75.2,1.5126760563380282
94,125,94,31,0,1,85.99,1.553191489361702
95,257,221,36,0,2,76.98,1.4705882352941178
96,139,107,32,0,1,75.59,1.485981308411215
97,127,96,31,0,1,99.1,1.6458333333333333
98,4578,4537,41,0,37,92.12,1.3852766145029756
99,482,444,38,0,4,85.54,1.5382882882882882
1 obj_id access_count hits misses mu lambda hit_rate avg_age
2 1 664 122 494 91 170 31 0 1 45.28 90.05 1.45748987854251 1.3406593406593406
3 2 212 382 96 344 116 38 0 3 74.15 74.02 1.5416666666666667 1.563953488372093
4 3 673 127 499 94 174 33 0 1 76.65 73.45 1.4909819639278556 1.6063829787234043
5 4 711 113 545 83 166 30 0 1 60.0 85.25 1.6018348623853211 1.3373493975903614
6 5 345 244 207 208 138 36 0 2 73.96 72.41 1.5507246376811594 1.4663461538461537
7 6 649 116 480 84 169 32 0 1 38.69 94.05 1.5833333333333333 1.380952380952381
8 7 137 656 53 617 84 39 0 5 74.3 75.78 1.6603773584905661 1.4376012965964344
9 8 681 128 506 97 175 31 0 1 74.6 71.93 1.4703557312252964 1.5876288659793814
10 9 689 114 514 82 175 32 0 1 74.66 73.91 1.461089494163424 1.451219512195122
11 10 667 115 498 85 169 30 0 1 60.37 85.77 1.4759036144578312 1.423529411764706
12 11 328 246 198 211 130 35 0 2 75.29 75.76 1.4444444444444444 1.5023696682464456
13 12 692 132 521 100 171 32 0 1 74.96 77.7 1.4491362763915547 1.38
14 13 683 139 512 108 171 31 0 1 74.71 75.0 1.537109375 1.5
15 14 696 120 520 90 176 30 0 1 60.76 86.59 1.5596153846153846 1.4333333333333333
16 15 344 261 209 226 135 35 0 2 59.2 84.44 1.5023923444976077 1.407079646017699
17 16 326 225 193 190 133 35 0 2 75.47 75.83 1.5803108808290156 1.5947368421052632
18 17 689 120 520 91 169 29 0 1 75.11 73.5 1.6423076923076922 1.6813186813186813
19 18 691 117 519 86 172 31 0 1 51.6 89.72 1.5260115606936415 1.4534883720930232
20 19 219 360 113 323 106 37 0 3 75.96 71.79 1.6106194690265487 1.5386996904024768
21 20 732 117 556 84 176 33 0 1 76.32 76.12 1.4460431654676258 1.5119047619047619
22 21 739 134 564 102 175 32 0 1 75.26 78.23 1.5088652482269505 1.4607843137254901
23 22 683 147 514 115 169 32 0 1 74.78 76.06 1.5291828793774318 1.626086956521739
24 23 670 142 501 108 169 34 0 1 57.4 86.36 1.403193612774451 1.5092592592592593
25 24 331 264 190 228 141 36 0 2 75.83 74.8 1.563157894736842 1.4298245614035088
26 25 724 123 549 92 175 31 0 1 74.86 77.3 1.5136612021857923 1.5869565217391304
27 26 692 141 518 109 174 32 0 1 75.74 76.56 1.5347490347490347 1.6238532110091743
28 27 705 128 534 98 171 30 0 1 37.23 93.09 1.4138576779026217 1.5714285714285714
29 28 137 564 51 525 86 39 0 5 75.15 75.94 1.5098039215686274 1.6152380952380951
30 29 672 133 505 101 167 32 0 1 74.64 75.2 1.506930693069307 1.3564356435643565
31 30 694 125 518 94 176 31 0 1 74.78 72.17 1.555984555984556 1.351063829787234
32 31 674 115 504 83 170 32 0 1 38.89 91.88 1.5297619047619047 1.5060240963855422
33 32 144 468 56 430 88 38 0 4 74.93 74.14 1.5 1.6046511627906976
34 33 670 116 502 86 168 30 0 1 31.91 92.37 1.4302788844621515 1.4767441860465116
35 34 141 498 45 460 96 38 0 4 74.66 76.52 1.3777777777777778 1.5260869565217392
36 35 659 132 492 101 167 31 0 1 75.4 70.0 1.5142276422764227 1.5940594059405941
37 36 691 100 521 70 170 30 0 1 76.12 77.85 1.5009596928982725 1.4142857142857144
38 37 737 149 561 116 176 33 0 1 48.86 89.3 1.5080213903743316 1.3793103448275863
39 38 219 355 107 317 112 38 0 3 28.0 95.84 1.5794392523364487 1.4889589905362777
40 39 100 962 28 922 72 40 0 8 75.91 75.0 1.6785714285714286 1.4663774403470715
41 40 714 128 542 96 172 32 0 1 42.39 91.98 1.6199261992619927 1.3541666666666667
42 41 184 474 78 436 106 38 0 4 43.48 92.12 1.7179487179487178 1.4426605504587156
43 42 161 495 70 456 91 39 0 4 61.88 84.04 1.6857142857142857 1.5328947368421053
44 43 362 213 224 179 138 34 0 2 75.43 73.21 1.3392857142857142 1.3463687150837989
45 44 696 112 525 82 171 30 0 1 73.21 75.19 1.5447619047619048 1.4024390243902438
46 45 627 129 459 97 168 32 0 1 75.15 76.69 1.5359477124183007 1.5257731958762886
47 46 648 133 487 102 161 31 0 1 22.64 96.83 1.5010266940451746 1.3529411764705883
48 47 53 1262 12 1222 41 40 0 10 74.85 77.21 1.9166666666666667 1.6129296235679214
49 48 676 136 506 105 170 31 0 1 73.98 78.01 1.5118577075098814 1.4190476190476191
50 49 638 141 472 110 166 31 0 1 74.59 72.27 1.4406779661016949 1.4181818181818182
51 50 673 119 502 86 171 33 0 1 39.06 93.66 1.4760956175298805 1.372093023255814
52 51 128 599 50 561 78 38 0 5 21.18 96.47 1.44 1.3315508021390374
53 52 85 1106 18 1067 67 39 0 9 76.57 74.38 1.2777777777777777 1.4142455482661669
54 53 747 121 572 90 175 31 0 1 76.0 74.81 1.4912587412587412 1.4
55 54 700 131 532 98 168 33 0 1 75.25 76.61 1.5432330827067668 1.5204081632653061
56 55 687 124 517 95 170 29 0 1 75.42 76.92 1.4700193423597678 1.7263157894736842
57 56 720 130 543 100 177 30 0 1 75.36 74.19 1.3922651933701657 1.49
58 57 690 124 520 92 170 32 0 1 10.0 98.06 1.5288461538461537 1.641304347826087
59 58 40 2118 4 2077 36 41 0 17 60.69 82.44 1.5 1.3885411651420319
60 59 318 205 193 169 125 36 0 2 74.93 76.64 1.5025906735751295 1.4911242603550297
61 60 674 137 505 105 169 32 0 1 21.74 98.73 1.508910891089109 1.6
62 61 23 3216 5 3175 18 41 0 26 75.55 76.81 0.6 1.4125984251968504
63 62 724 138 547 106 177 32 0 1 74.2 72.65 1.5045703839122486 1.5754716981132075
64 63 628 117 466 85 162 32 0 1 60.29 86.36 1.4785407725321889 1.611764705882353
65 64 345 264 208 228 137 36 0 2 74.89 77.7 1.4519230769230769 1.5921052631578947
66 65 681 139 510 108 171 31 0 1 23.29 96.79 1.4843137254901961 1.6574074074074074
67 66 73 1248 17 1208 56 40 0 10 74.35 79.45 1.588235294117647 1.471026490066225
68 67 651 146 484 116 167 30 0 1 0.0 99.51 1.493801652892562 1.4655172413793103
69 68 10 8414 0 8373 10 41 0 69 73.9 74.14 0.0 1.324973127911143
70 69 636 116 470 86 166 30 0 1 74.7 75.83 1.553191489361702 1.3604651162790697
71 70 656 120 490 91 166 29 0 1 61.56 85.25 1.530612244897959 1.4945054945054945
72 71 372 244 229 208 143 36 0 2 75.52 72.65 1.5327510917030567 1.3894230769230769
73 72 678 117 512 85 166 32 0 1 73.51 74.81 1.484375 1.6941176470588235
74 73 638 131 469 98 169 33 0 1 74.89 79.58 1.4179104477611941 1.6020408163265305
75 74 685 142 513 113 172 29 0 1 44.28 89.21 1.557504873294347 1.5575221238938053
76 75 201 343 89 306 112 37 0 3 59.88 86.0 1.5056179775280898 1.522875816993464
77 76 344 250 206 215 138 35 0 2 61.45 85.77 1.441747572815534 1.4651162790697674
78 77 345 253 212 217 133 36 0 2 50.19 90.61 1.4433962264150944 1.391705069124424
79 78 261 394 131 357 130 37 0 3 10.64 97.85 1.4885496183206106 1.464985994397759
80 79 47 1910 5 1869 42 41 0 15 75.3 75.83 0.8 1.4804708400214017
81 80 660 120 497 91 163 29 0 1 74.29 76.03 1.5070422535211268 1.4065934065934067
82 81 634 121 471 92 163 29 0 1 37.96 93.97 1.4692144373673035 1.4021739130434783
83 82 137 647 52 608 85 39 0 5 57.28 85.89 1.5192307692307692 1.4769736842105263
84 83 309 248 177 213 132 35 0 2 75.51 77.08 1.5197740112994351 1.3990610328638498
85 84 686 144 518 111 168 33 0 1 74.63 70.37 1.494208494208494 1.4954954954954955
86 85 682 108 509 76 173 32 0 1 58.39 83.41 1.3889980353634577 1.4342105263157894
87 86 322 211 188 176 134 35 0 2 74.7 75.37 1.5106382978723405 1.6193181818181819
88 87 676 134 505 101 171 33 0 1 58.15 84.38 1.4792079207920792 1.4059405940594059
89 88 325 224 189 136 35 0 2 75.62 76.3 1.3915343915343916 1.433862433862434
90 89 689 135 521 103 168 32 0 1 75.11 73.39 1.5335892514395393 1.5242718446601942
91 90 695 124 522 91 173 33 0 1 62.35 85.83 1.496168582375479 1.4945054945054945
92 91 324 240 202 206 122 34 0 2 60.53 84.72 1.5792079207920793 1.4563106796116505
93 92 337 229 204 194 133 35 0 2 47.75 90.33 1.392156862745098 1.4793814432989691
94 93 222 393 106 355 116 38 0 3 75.07 75.2 1.4622641509433962 1.5126760563380282
95 94 686 125 515 94 171 31 0 1 62.39 85.99 1.5728155339805825 1.553191489361702
96 95 351 257 219 221 132 36 0 2 76.29 76.98 1.5342465753424657 1.4705882352941178
97 96 717 139 547 107 170 32 0 1 74.4 75.59 1.4204753199268738 1.485981308411215
98 97 664 127 494 96 170 31 0 1 8.7 99.1 1.4412955465587045 1.6458333333333333
99 98 23 4578 2 4537 21 41 0 37 46.96 92.12 3.0 1.3852766145029756
100 99 181 482 85 444 96 38 0 4 59.64 85.54 1.411764705882353 1.5382882882882882