jdb_pgm 0.3.4

Ultra-fast single-threaded PGM-Index optimized for thread-per-core architecture / 专为单线程一核架构优化的超快 PGM 索引
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188

{
  "config": {
    "data_sizes": [
      10000,
      100000,
      1000000
    ],
    "epsilon_values": [
      32,
      64,
      128
    ],
    "sample_count": 10000
  },
  "results": [
    {
      "algorithm": "jdb_pgm",
      "samples": 10000,
      "data_size": 10000,
      "avg_error": 11.7554,
      "max_error": 33,
      "linear_avg_error": 31.7143,
      "linear_max_error": 89,
      "epsilon": 32
    },
    {
      "samples": 10000,
      "max_error": 89,
      "avg_error": 31.7143,
      "algorithm": "external_pgm",
      "epsilon": 32,
      "note": "linear_interpolation",
      "data_size": 10000
    },
    {
      "algorithm": "jdb_pgm",
      "data_size": 10000,
      "max_error": 64,
      "linear_max_error": 89,
      "epsilon": 64,
      "linear_avg_error": 31.7143,
      "avg_error": 22.9961,
      "samples": 10000
    },
    {
      "samples": 10000,
      "algorithm": "external_pgm",
      "epsilon": 64,
      "avg_error": 31.7143,
      "data_size": 10000,
      "note": "linear_interpolation",
      "max_error": 89
    },
    {
      "linear_max_error": 89,
      "algorithm": "jdb_pgm",
      "linear_avg_error": 31.7143,
      "avg_error": 31.3953,
      "samples": 10000,
      "max_error": 92,
      "epsilon": 128,
      "data_size": 10000
    },
    {
      "avg_error": 31.7143,
      "epsilon": 128,
      "note": "linear_interpolation",
      "algorithm": "external_pgm",
      "max_error": 89,
      "data_size": 10000,
      "samples": 10000
    },
    {
      "max_error": 33,
      "algorithm": "jdb_pgm",
      "linear_avg_error": 149.5878,
      "avg_error": 12.2946,
      "linear_max_error": 367,
      "samples": 10000,
      "epsilon": 32,
      "data_size": 100000
    },
    {
      "note": "linear_interpolation",
      "algorithm": "external_pgm",
      "avg_error": 149.5878,
      "data_size": 100000,
      "samples": 10000,
      "max_error": 367,
      "epsilon": 32
    },
    {
      "data_size": 100000,
      "max_error": 64,
      "samples": 10000,
      "algorithm": "jdb_pgm",
      "avg_error": 25.7977,
      "linear_max_error": 367,
      "epsilon": 64,
      "linear_avg_error": 149.5878
    },
    {
      "epsilon": 64,
      "data_size": 100000,
      "avg_error": 149.5878,
      "samples": 10000,
      "max_error": 367,
      "note": "linear_interpolation",
      "algorithm": "external_pgm"
    },
    {
      "linear_avg_error": 149.5878,
      "max_error": 127,
      "data_size": 100000,
      "linear_max_error": 367,
      "algorithm": "jdb_pgm",
      "epsilon": 128,
      "avg_error": 41.9242,
      "samples": 10000
    },
    {
      "samples": 10000,
      "max_error": 367,
      "algorithm": "external_pgm",
      "avg_error": 149.5878,
      "data_size": 100000,
      "note": "linear_interpolation",
      "epsilon": 128
    },
    {
      "linear_max_error": 891,
      "linear_avg_error": 326.8546,
      "samples": 10000,
      "max_error": 32,
      "data_size": 1000000,
      "avg_error": 11.2918,
      "epsilon": 32,
      "algorithm": "jdb_pgm"
    },
    {
      "max_error": 891,
      "epsilon": 32,
      "algorithm": "external_pgm",
      "samples": 10000,
      "note": "linear_interpolation",
      "data_size": 1000000,
      "avg_error": 326.8546
    },
    {
      "linear_avg_error": 326.8546,
      "max_error": 64,
      "samples": 10000,
      "algorithm": "jdb_pgm",
      "avg_error": 22.541,
      "linear_max_error": 891,
      "data_size": 1000000,
      "epsilon": 64
    },
    {
      "algorithm": "external_pgm",
      "max_error": 891,
      "note": "linear_interpolation",
      "samples": 10000,
      "epsilon": 64,
      "data_size": 1000000,
      "avg_error": 326.8546
    },
    {
      "algorithm": "jdb_pgm",
      "linear_max_error": 891,
      "max_error": 128,
      "linear_avg_error": 326.8546,
      "avg_error": 46.4368,
      "data_size": 1000000,
      "epsilon": 128,
      "samples": 10000
    },
    {
      "epsilon": 128,
      "note": "linear_interpolation",
      "samples": 10000,
      "data_size": 1000000,
      "avg_error": 326.8546,
      "max_error": 891,
      "algorithm": "external_pgm"
    }
  ]
}