forked from rurban/smhasher
-
Notifications
You must be signed in to change notification settings - Fork 0
/
crc32_hw1
307 lines (240 loc) · 16.5 KB
/
crc32_hw1
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
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
--- Testing crc32_hw1 (Faster SSE4.2 crc32 in HW)
[[[ Sanity Tests ]]]
Verification value 0x0C7346F0 : Passed!
Running sanity check 1..........PASS
Running sanity check 2..........PASS
[[[ Speed Tests ]]]
Bulk speed test - 262144-byte keys
Alignment 0 - 7.894 bytes/cycle - 22584.94 MiB/sec @ 3 ghz
Alignment 1 - 7.847 bytes/cycle - 22450.34 MiB/sec @ 3 ghz
Alignment 2 - 7.847 bytes/cycle - 22451.44 MiB/sec @ 3 ghz
Alignment 3 - 7.847 bytes/cycle - 22450.22 MiB/sec @ 3 ghz
Alignment 4 - 7.847 bytes/cycle - 22451.83 MiB/sec @ 3 ghz
Alignment 5 - 7.847 bytes/cycle - 22449.20 MiB/sec @ 3 ghz
Alignment 6 - 7.846 bytes/cycle - 22448.16 MiB/sec @ 3 ghz
Alignment 7 - 7.846 bytes/cycle - 22447.49 MiB/sec @ 3 ghz
Small key speed test - 1-byte keys - 32.34 cycles/hash
Small key speed test - 2-byte keys - 26.06 cycles/hash
Small key speed test - 3-byte keys - 34.39 cycles/hash
Small key speed test - 4-byte keys - 38.07 cycles/hash
Small key speed test - 5-byte keys - 36.92 cycles/hash
Small key speed test - 6-byte keys - 38.76 cycles/hash
Small key speed test - 7-byte keys - 38.89 cycles/hash
Small key speed test - 8-byte keys - 33.36 cycles/hash
Small key speed test - 9-byte keys - 33.51 cycles/hash
Small key speed test - 10-byte keys - 34.69 cycles/hash
Small key speed test - 11-byte keys - 36.52 cycles/hash
Small key speed test - 12-byte keys - 37.71 cycles/hash
Small key speed test - 13-byte keys - 39.69 cycles/hash
Small key speed test - 14-byte keys - 41.48 cycles/hash
Small key speed test - 15-byte keys - 42.27 cycles/hash
Small key speed test - 16-byte keys - 33.40 cycles/hash
Small key speed test - 17-byte keys - 34.11 cycles/hash
Small key speed test - 18-byte keys - 35.84 cycles/hash
Small key speed test - 19-byte keys - 38.38 cycles/hash
Small key speed test - 20-byte keys - 39.36 cycles/hash
Small key speed test - 21-byte keys - 40.35 cycles/hash
Small key speed test - 22-byte keys - 41.36 cycles/hash
Small key speed test - 23-byte keys - 43.68 cycles/hash
Small key speed test - 24-byte keys - 34.00 cycles/hash
Small key speed test - 25-byte keys - 35.11 cycles/hash
Small key speed test - 26-byte keys - 38.59 cycles/hash
Small key speed test - 27-byte keys - 40.29 cycles/hash
Small key speed test - 28-byte keys - 39.91 cycles/hash
Small key speed test - 29-byte keys - 42.44 cycles/hash
Small key speed test - 30-byte keys - 43.35 cycles/hash
Small key speed test - 31-byte keys - 47.56 cycles/hash
[[[ Differential Tests ]]]
Testing 8303632 up-to-5-bit differentials in 64-bit keys -> 32 bit hashes.
1000 reps, 8303632000 total tests, expecting 1.93 random collisions..........
0 total collisions, of which 0 single collisions were ignored
Testing 11017632 up-to-4-bit differentials in 128-bit keys -> 32 bit hashes.
1000 reps, 11017632000 total tests, expecting 2.57 random collisions..........
0 total collisions, of which 0 single collisions were ignored
Testing 2796416 up-to-3-bit differentials in 256-bit keys -> 32 bit hashes.
1000 reps, 2796416000 total tests, expecting 0.65 random collisions..........
0 total collisions, of which 0 single collisions were ignored
[[[ Avalanche Tests ]]]
Testing 32-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 100.000000% !!!!!
Testing 40-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 100.000000% !!!!!
Testing 48-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 100.000000% !!!!!
Testing 56-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 100.000000% !!!!!
Testing 64-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 100.000000% !!!!!
Testing 72-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 100.000000% !!!!!
Testing 80-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 100.000000% !!!!!
Testing 88-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 100.000000% !!!!!
Testing 96-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 100.000000% !!!!!
Testing 104-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 100.000000% !!!!!
Testing 112-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 100.000000% !!!!!
Testing 120-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 100.000000% !!!!!
Testing 128-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 100.000000% !!!!!
Testing 136-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 100.000000% !!!!!
Testing 144-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 100.000000% !!!!!
Testing 152-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 100.000000% !!!!!
*********FAIL*********
[[[ Keyset 'Cyclic' Tests ]]]
Keyset 'Cyclic' - 8 cycles of 4 bytes - 10000000 keys
Testing collisions - Expected 11641.53, actual 11913.00 ( 1.02x)
Testing distribution - Worst bias is the 20-bit window at bit 21 - 0.029%
Keyset 'Cyclic' - 8 cycles of 5 bytes - 10000000 keys
Testing collisions - Expected 11641.53, actual 23120.00 ( 1.99x)
Testing distribution - Worst bias is the 20-bit window at bit 5 - 0.028%
Keyset 'Cyclic' - 8 cycles of 6 bytes - 10000000 keys
Testing collisions - Expected 11641.53, actual 23054.00 ( 1.98x)
Testing distribution - Worst bias is the 20-bit window at bit 4 - 0.042%
Keyset 'Cyclic' - 8 cycles of 7 bytes - 10000000 keys
Testing collisions - Expected 11641.53, actual 23078.00 ( 1.98x)
Testing distribution - Worst bias is the 20-bit window at bit 27 - 0.023%
Keyset 'Cyclic' - 8 cycles of 8 bytes - 10000000 keys
Testing collisions - Expected 11641.53, actual 23361.00 ( 2.01x) !!!!!
Testing distribution - Worst bias is the 20-bit window at bit 31 - 0.043%
*********FAIL*********
[[[ Keyset 'TwoBytes' Tests ]]]
Keyset 'TwoBytes' - up-to-4-byte keys, 652545 total keys
Testing collisions - Expected 49.57, actual 4.00 ( 0.08x)
Testing distribution - Worst bias is the 16-bit window at bit 29 - 5.497% !!!!!
Keyset 'TwoBytes' - up-to-8-byte keys, 5471025 total keys
Testing collisions - Expected 3484.56, actual 7075.00 ( 2.03x) !!!!!
Testing distribution - Worst bias is the 20-bit window at bit 29 - 5.149% !!!!!
Keyset 'TwoBytes' - up-to-12-byte keys, 18616785 total keys
Testing collisions - Expected 40347.77, actual 41972.00 ( 1.04x)
Testing distribution - Worst bias is the 20-bit window at bit 4 - 0.962%
Keyset 'TwoBytes' - up-to-16-byte keys, 44251425 total keys
Testing collisions - Expected 227963.15, actual 227401.00 ( 1.00x)
Testing distribution - Worst bias is the 20-bit window at bit 4 - 0.309%
Keyset 'TwoBytes' - up-to-20-byte keys, 86536545 total keys
Testing collisions - Expected 871784.70, actual 1073946.00 ( 1.23x)
Testing distribution - Worst bias is the 20-bit window at bit 6 - 0.232%
*********FAIL*********
[[[ Keyset 'Sparse' Tests ]]]
Keyset 'Sparse' - 32-bit keys with up to 6 bits set - 1149017 keys
Testing collisions - Expected 153.70, actual 0.00 ( 0.00x)
Testing distribution - Worst bias is the 17-bit window at bit 2 - 13.377% !!!!!
Keyset 'Sparse' - 40-bit keys with up to 6 bits set - 4598479 keys
Testing collisions - Expected 2461.72, actual 0.00 ( 0.00x)
Testing distribution - Worst bias is the 17-bit window at bit 18 - 1.878% !!!!!
Keyset 'Sparse' - 48-bit keys with up to 5 bits set - 1925357 keys
Testing collisions - Expected 431.55, actual 0.00 ( 0.00x)
Testing distribution - Worst bias is the 14-bit window at bit 26 - 0.347%
Keyset 'Sparse' - 56-bit keys with up to 5 bits set - 4216423 keys
Testing collisions - Expected 2069.66, actual 756.00 ( 0.37x)
Testing distribution - Worst bias is the 15-bit window at bit 7 - 0.068%
Keyset 'Sparse' - 64-bit keys with up to 5 bits set - 8303633 keys
Testing collisions - Expected 8026.87, actual 6804.00 ( 0.85x)
Testing distribution - Worst bias is the 20-bit window at bit 8 - 0.254%
Keyset 'Sparse' - 96-bit keys with up to 4 bits set - 3469497 keys
Testing collisions - Expected 1401.34, actual 1610.00 ( 1.15x)
Testing distribution - Worst bias is the 17-bit window at bit 0 - 0.118%
Keyset 'Sparse' - 256-bit keys with up to 3 bits set - 2796417 keys
Testing collisions - Expected 910.36, actual 930.00 ( 1.02x)
Testing distribution - Worst bias is the 18-bit window at bit 11 - 0.196%
Keyset 'Sparse' - 2048-bit keys with up to 2 bits set - 2098177 keys
Testing collisions - Expected 512.50, actual 0.00 ( 0.00x)
Testing distribution - Worst bias is the 18-bit window at bit 8 - 0.069%
[[[ Keyset 'Combination Lowbits' Tests ]]]
Keyset 'Combination' - up to 8 blocks from a set of 8 - 19173960 keys
Testing collisions - Expected 42799.01, actual 0.00 ( 0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 26 - 35.517% !!!!!
[[[ Keyset 'Combination Highbits' Tests ]]]
Keyset 'Combination' - up to 8 blocks from a set of 8 - 19173960 keys
Testing collisions - Expected 42799.01, actual 0.00 ( 0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 19 - 46.955% !!!!!
[[[ Keyset 'Combination 0x8000000' Tests ]]]
Keyset 'Combination' - up to 20 blocks from a set of 2 - 2097150 keys
Testing collisions - Expected 512.00, actual 0.00 ( 0.00x)
Testing distribution - Worst bias is the 18-bit window at bit 28 - 34.742% !!!!!
[[[ Keyset 'Combination 0x0000001' Tests ]]]
Keyset 'Combination' - up to 20 blocks from a set of 2 - 2097150 keys
Testing collisions - Expected 512.00, actual 0.00 ( 0.00x)
Testing distribution - Worst bias is the 18-bit window at bit 19 - 62.692% !!!!!
[[[ Keyset 'Combination Hi-Lo' Tests ]]]
Keyset 'Combination' - up to 6 blocks from a set of 15 - 12204240 keys
Testing collisions - Expected 17339.30, actual 17230.00 ( 0.99x)
Testing distribution - Worst bias is the 18-bit window at bit 22 - 2.022% !!!!!
[[[ Keyset 'Window' Tests ]]]
Keyset 'Windowed' - 64-bit key, 20-bit window - 64 tests, 1048576 keys per test
Window at 0 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 1 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 2 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 3 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 4 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 5 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 6 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 7 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 8 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 9 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 10 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 11 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 12 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 13 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 14 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 15 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 16 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 17 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 18 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 19 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 20 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 21 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 22 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 23 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 24 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 25 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 26 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 27 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 28 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 29 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 30 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 31 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 32 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 33 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 34 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 35 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 36 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 37 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 38 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 39 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 40 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 41 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 42 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 43 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 44 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 45 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 46 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 47 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 48 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 49 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 50 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 51 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 52 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 53 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 54 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 55 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 56 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 57 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 58 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 59 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 60 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 61 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 62 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 63 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
Window at 64 - Testing collisions - Expected 128.00, actual 0.00 ( 0.00x)
[[[ Keyset 'Text' Tests ]]]
Keyset 'Text' - keys of form "Foo[XXXX]Bar" - 14776336 keys
Testing collisions - Expected 25418.13, actual 0.00 ( 0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 8 - 9.411% !!!!!
Keyset 'Text' - keys of form "FooBar[XXXX]" - 14776336 keys
Testing collisions - Expected 25418.13, actual 0.00 ( 0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 17 - 49.433% !!!!!
Keyset 'Text' - keys of form "[XXXX]FooBar" - 14776336 keys
Testing collisions - Expected 25418.13, actual 0.00 ( 0.00x)
Testing distribution - Worst bias is the 19-bit window at bit 4 - 31.935% !!!!!
[[[ Keyset 'Zeroes' Tests ]]]
Keyset 'Zeroes' - 65536 keys
Testing collisions - Expected 0.50, actual 0.00 ( 0.00x)
Testing distribution - Worst bias is the 13-bit window at bit 19 - 0.366%
[[[ Keyset 'Seed' Tests ]]]
Keyset 'Seed' - 1000000 keys
Testing collisions - Expected 116.42, actual 0.00 ( 0.00x)
Testing distribution - Worst bias is the 15-bit window at bit 23 - 74.794% !!!!!
Input vcode 0xf303ebcf, Output vcode 0xe0965bb7, Result vcode 0x00000001
Verification value is 0x00000001 - Testing took 1750.277170 seconds