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xxh128low
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xxh128low
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-------------------------------------------------------------------------------
--- Testing xxh128low "xxHash v3, 128-bit, low 64-bits part" GOOD
[[[ Sanity Tests ]]]
Verification value 0x54D1CC70 ....... PASS
Running sanity check 1 .......... PASS
Running AppendedZeroesTest .......... PASS
[[[ Speed Tests ]]]
Bulk speed test - 262144-byte keys
Alignment 7 - 16.686 bytes/cycle - 47739.74 MiB/sec @ 3 ghz
Alignment 6 - 16.878 bytes/cycle - 48286.98 MiB/sec @ 3 ghz
Alignment 5 - 16.705 bytes/cycle - 47793.00 MiB/sec @ 3 ghz
Alignment 4 - 16.191 bytes/cycle - 46322.71 MiB/sec @ 3 ghz
Alignment 3 - 16.585 bytes/cycle - 47450.32 MiB/sec @ 3 ghz
Alignment 2 - 16.593 bytes/cycle - 47471.91 MiB/sec @ 3 ghz
Alignment 1 - 16.910 bytes/cycle - 48379.98 MiB/sec @ 3 ghz
Alignment 0 - 17.339 bytes/cycle - 49607.34 MiB/sec @ 3 ghz
Average - 16.736 bytes/cycle - 47881.50 MiB/sec @ 3 ghz
Small key speed test - 1-byte keys - 16.98 cycles/hash
Small key speed test - 2-byte keys - 16.99 cycles/hash
Small key speed test - 3-byte keys - 17.00 cycles/hash
Small key speed test - 4-byte keys - 17.95 cycles/hash
Small key speed test - 5-byte keys - 24.00 cycles/hash
Small key speed test - 6-byte keys - 23.98 cycles/hash
Small key speed test - 7-byte keys - 23.92 cycles/hash
Small key speed test - 8-byte keys - 16.99 cycles/hash
Small key speed test - 9-byte keys - 25.89 cycles/hash
Small key speed test - 10-byte keys - 25.96 cycles/hash
Small key speed test - 11-byte keys - 25.91 cycles/hash
Small key speed test - 12-byte keys - 25.98 cycles/hash
Small key speed test - 13-byte keys - 26.00 cycles/hash
Small key speed test - 14-byte keys - 26.00 cycles/hash
Small key speed test - 15-byte keys - 25.95 cycles/hash
Small key speed test - 16-byte keys - 25.94 cycles/hash
Small key speed test - 17-byte keys - 25.95 cycles/hash
Small key speed test - 18-byte keys - 25.86 cycles/hash
Small key speed test - 19-byte keys - 25.90 cycles/hash
Small key speed test - 20-byte keys - 25.00 cycles/hash
Small key speed test - 21-byte keys - 25.00 cycles/hash
Small key speed test - 22-byte keys - 25.00 cycles/hash
Small key speed test - 23-byte keys - 25.00 cycles/hash
Small key speed test - 24-byte keys - 24.97 cycles/hash
Small key speed test - 25-byte keys - 25.00 cycles/hash
Small key speed test - 26-byte keys - 25.00 cycles/hash
Small key speed test - 27-byte keys - 25.00 cycles/hash
Small key speed test - 28-byte keys - 24.99 cycles/hash
Small key speed test - 29-byte keys - 25.00 cycles/hash
Small key speed test - 30-byte keys - 25.00 cycles/hash
Small key speed test - 31-byte keys - 25.00 cycles/hash
Average 23.971 cycles/hash
[[[ 'Hashmap' Speed Tests ]]]
std::unordered_map
Init std HashMapTest: 596.859 cycles/op (235886 inserts, 1% deletions)
Running std HashMapTest: 385.068 cycles/op (41.5 stdv)
greg7mdp/parallel-hashmap
Init fast HashMapTest: 325.222 cycles/op (235886 inserts, 1% deletions)
Running fast HashMapTest: 337.112 cycles/op (45.3 stdv) ....... PASS
[[[ Avalanche Tests ]]]
Testing 24-bit keys -> 64-bit hashes, 300000 reps worst bias is 0.670000%
Testing 32-bit keys -> 64-bit hashes, 300000 reps worst bias is 0.708667%
Testing 40-bit keys -> 64-bit hashes, 300000 reps worst bias is 0.688000%
Testing 48-bit keys -> 64-bit hashes, 300000 reps worst bias is 0.641333%
Testing 56-bit keys -> 64-bit hashes, 300000 reps worst bias is 0.752000%
Testing 64-bit keys -> 64-bit hashes, 300000 reps worst bias is 0.650000%
Testing 72-bit keys -> 64-bit hashes, 300000 reps worst bias is 0.653333%
Testing 80-bit keys -> 64-bit hashes, 300000 reps worst bias is 0.670000%
Testing 96-bit keys -> 64-bit hashes, 300000 reps worst bias is 0.796000%
Testing 112-bit keys -> 64-bit hashes, 300000 reps worst bias is 0.641333%
Testing 128-bit keys -> 64-bit hashes, 300000 reps worst bias is 0.780000%
Testing 160-bit keys -> 64-bit hashes, 300000 reps worst bias is 0.711333%
Testing 192-bit keys -> 64-bit hashes, 300000 reps worst bias is 0.758000%
Testing 224-bit keys -> 64-bit hashes, 300000 reps worst bias is 0.748000%
Testing 256-bit keys -> 64-bit hashes, 300000 reps worst bias is 0.740667%
Testing 320-bit keys -> 64-bit hashes, 300000 reps worst bias is 0.864000%
Testing 384-bit keys -> 64-bit hashes, 300000 reps worst bias is 0.794000%
Testing 448-bit keys -> 64-bit hashes, 300000 reps worst bias is 0.824667%
Testing 512-bit keys -> 64-bit hashes, 300000 reps worst bias is 0.711333%
Testing 640-bit keys -> 64-bit hashes, 300000 reps worst bias is 0.835333%
Testing 768-bit keys -> 64-bit hashes, 300000 reps worst bias is 0.761333%
Testing 896-bit keys -> 64-bit hashes, 300000 reps worst bias is 0.973333%
Testing 1024-bit keys -> 64-bit hashes, 300000 reps worst bias is 0.762000%
Testing 1280-bit keys -> 64-bit hashes, 300000 reps worst bias is 0.784667%
Testing 1536-bit keys -> 64-bit hashes, 300000 reps worst bias is 0.778000%
[[[ Keyset 'Sparse' Tests ]]]
Keyset 'Sparse' - 16-bit keys with up to 9 bits set - 50643 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 0.6, actual 1 (1.67x) (1)
Testing collisions (high 19-26 bits) - Worst is 26 bits: 30/38 (0.79x)
Testing collisions (low 32-bit) - Expected 0.6, actual 0 (0.00x)
Testing collisions (low 19-26 bits) - Worst is 26 bits: 21/38 (0.55x)
Testing distribution - Worst bias is the 13-bit window at bit 56 - 0.748%
Keyset 'Sparse' - 24-bit keys with up to 8 bits set - 1271626 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 376.5, actual 190 (0.50x)
Testing collisions (high 24-36 bits) - Worst is 34 bits: 51/94 (0.54x)
Testing collisions (low 32-bit) - Expected 376.5, actual 213 (0.57x)
Testing collisions (low 24-36 bits) - Worst is 32 bits: 213/376 (0.57x)
Testing distribution - Worst bias is the 17-bit window at bit 22 - 0.081%
Keyset 'Sparse' - 32-bit keys with up to 7 bits set - 4514873 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 4746.0, actual 2379 (0.50x)
Testing collisions (high 26-39 bits) - Worst is 37 bits: 84/148 (0.57x)
Testing collisions (low 32-bit) - Expected 4746.0, actual 2363 (0.50x)
Testing collisions (low 26-39 bits) - Worst is 38 bits: 44/74 (0.59x)
Testing distribution - Worst bias is the 19-bit window at bit 54 - 0.043%
Keyset 'Sparse' - 40-bit keys with up to 6 bits set - 4598479 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 4923.4, actual 2390 (0.49x)
Testing collisions (high 26-39 bits) - Worst is 39 bits: 20/38 (0.52x)
Testing collisions (low 32-bit) - Expected 4923.4, actual 2396 (0.49x)
Testing collisions (low 26-39 bits) - Worst is 29 bits: 19793/39387 (0.50x)
Testing distribution - Worst bias is the 18-bit window at bit 21 - 0.039%
Keyset 'Sparse' - 48-bit keys with up to 6 bits set - 14196869 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 46927.3, actual 23709 (0.51x)
Testing collisions (high 28-43 bits) - Worst is 37 bits: 784/1466 (0.53x)
Testing collisions (low 32-bit) - Expected 46927.3, actual 23435 (0.50x)
Testing collisions (low 28-43 bits) - Worst is 40 bits: 95/183 (0.52x)
Testing distribution - Worst bias is the 19-bit window at bit 42 - 0.014%
Keyset 'Sparse' - 56-bit keys with up to 5 bits set - 4216423 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 4139.3, actual 2127 (0.51x)
Testing collisions (high 26-39 bits) - Worst is 36 bits: 142/258 (0.55x)
Testing collisions (low 32-bit) - Expected 4139.3, actual 2085 (0.50x)
Testing collisions (low 26-39 bits) - Worst is 39 bits: 19/32 (0.59x)
Testing distribution - Worst bias is the 19-bit window at bit 34 - 0.054%
Keyset 'Sparse' - 64-bit keys with up to 5 bits set - 8303633 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 16053.7, actual 8068 (0.50x)
Testing collisions (high 27-41 bits) - Worst is 34 bits: 2042/4013 (0.51x)
Testing collisions (low 32-bit) - Expected 16053.7, actual 8081 (0.50x)
Testing collisions (low 27-41 bits) - Worst is 40 bits: 44/62 (0.70x)
Testing distribution - Worst bias is the 20-bit window at bit 55 - 0.052%
Keyset 'Sparse' - 72-bit keys with up to 5 bits set - 15082603 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 52965.5, actual 26349 (0.50x)
Testing collisions (high 28-43 bits) - Worst is 39 bits: 226/413 (0.55x)
Testing collisions (low 32-bit) - Expected 52965.5, actual 26556 (0.50x)
Testing collisions (low 28-43 bits) - Worst is 37 bits: 867/1655 (0.52x)
Testing distribution - Worst bias is the 20-bit window at bit 61 - 0.020%
Keyset 'Sparse' - 96-bit keys with up to 4 bits set - 3469497 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 2802.7, actual 1445 (0.52x)
Testing collisions (high 26-39 bits) - Worst is 39 bits: 17/21 (0.78x)
Testing collisions (low 32-bit) - Expected 2802.7, actual 1359 (0.48x)
Testing collisions (low 26-39 bits) - Worst is 38 bits: 33/43 (0.75x)
Testing distribution - Worst bias is the 19-bit window at bit 9 - 0.073%
Keyset 'Sparse' - 112-bit keys with up to 4 bits set - 6445069 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 9671.5, actual 4784 (0.49x)
Testing collisions (high 26-40 bits) - Worst is 40 bits: 20/37 (0.53x)
Testing collisions (low 32-bit) - Expected 9671.5, actual 4757 (0.49x)
Testing collisions (low 26-40 bits) - Worst is 40 bits: 21/37 (0.56x)
Testing distribution - Worst bias is the 20-bit window at bit 62 - 0.048%
Keyset 'Sparse' - 128-bit keys with up to 4 bits set - 11017633 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 28262.9, actual 14120 (0.50x)
Testing collisions (high 27-42 bits) - Worst is 41 bits: 39/55 (0.71x)
Testing collisions (low 32-bit) - Expected 28262.9, actual 14026 (0.50x)
Testing collisions (low 27-42 bits) - Worst is 41 bits: 31/55 (0.56x)
Testing distribution - Worst bias is the 20-bit window at bit 8 - 0.027%
Keyset 'Sparse' - 144-bit keys with up to 4 bits set - 17676661 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 72751.3, actual 36458 (0.50x)
Testing collisions (high 28-43 bits) - Worst is 40 bits: 152/284 (0.53x)
Testing collisions (low 32-bit) - Expected 72751.3, actual 35840 (0.49x)
Testing collisions (low 28-43 bits) - Worst is 30 bits: 144675/291005 (0.50x)
Testing distribution - Worst bias is the 19-bit window at bit 56 - 0.016%
Keyset 'Sparse' - 160-bit keys with up to 4 bits set - 26977161 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 169446.5, actual 84682 (0.50x)
Testing collisions (high 29-45 bits) - Worst is 45 bits: 12/20 (0.58x)
Testing collisions (low 32-bit) - Expected 169446.5, actual 84102 (0.50x)
Testing collisions (low 29-45 bits) - Worst is 43 bits: 50/82 (0.60x)
Testing distribution - Worst bias is the 20-bit window at bit 15 - 0.012%
Keyset 'Sparse' - 192-bit keys with up to 4 bits set - 56050289 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 731468.9, actual 363705 (0.50x)
Testing collisions (high 30-47 bits) - Worst is 39 bits: 2914/5714 (0.51x)
Testing collisions (low 32-bit) - Expected 731468.9, actual 364170 (0.50x)
Testing collisions (low 30-47 bits) - Worst is 46 bits: 29/44 (0.65x)
Testing distribution - Worst bias is the 20-bit window at bit 0 - 0.004%
Keyset 'Sparse' - 256-bit keys with up to 3 bits set - 2796417 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1820.7, actual 933 (0.51x)
Testing collisions (high 25-38 bits) - Worst is 38 bits: 18/28 (0.63x)
Testing collisions (low 32-bit) - Expected 1820.7, actual 920 (0.51x)
Testing collisions (low 25-38 bits) - Worst is 30 bits: 3691/7282 (0.51x)
Testing distribution - Worst bias is the 19-bit window at bit 33 - 0.079%
Keyset 'Sparse' - 288-bit keys with up to 3 bits set - 3981553 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 3691.0, actual 1797 (0.49x)
Testing collisions (high 26-39 bits) - Worst is 38 bits: 34/57 (0.59x)
Testing collisions (low 32-bit) - Expected 3691.0, actual 1904 (0.52x)
Testing collisions (low 26-39 bits) - Worst is 33 bits: 964/1845 (0.52x)
Testing distribution - Worst bias is the 19-bit window at bit 26 - 0.056%
Keyset 'Sparse' - 320-bit keys with up to 3 bits set - 5461601 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 6945.1, actual 3494 (0.50x)
Testing collisions (high 26-40 bits) - Worst is 40 bits: 18/27 (0.66x)
Testing collisions (low 32-bit) - Expected 6945.1, actual 3591 (0.52x)
Testing collisions (low 26-40 bits) - Worst is 38 bits: 67/108 (0.62x)
Testing distribution - Worst bias is the 20-bit window at bit 7 - 0.066%
Keyset 'Sparse' - 384-bit keys with up to 3 bits set - 9437505 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 20737.4, actual 10301 (0.50x)
Testing collisions (high 27-42 bits) - Worst is 42 bits: 19/20 (0.94x)
Testing collisions (low 32-bit) - Expected 20737.4, actual 10201 (0.49x)
Testing collisions (low 27-42 bits) - Worst is 42 bits: 14/20 (0.69x)
Testing distribution - Worst bias is the 20-bit window at bit 57 - 0.027%
Keyset 'Sparse' - 448-bit keys with up to 3 bits set - 14986273 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 52291.1, actual 26091 (0.50x)
Testing collisions (high 28-43 bits) - Worst is 42 bits: 39/51 (0.76x)
Testing collisions (low 32-bit) - Expected 52291.1, actual 26208 (0.50x)
Testing collisions (low 28-43 bits) - Worst is 43 bits: 18/25 (0.70x)
Testing distribution - Worst bias is the 20-bit window at bit 38 - 0.022%
Keyset 'Sparse' - 512-bit keys with up to 3 bits set - 22370049 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 116512.9, actual 58428 (0.50x)
Testing collisions (high 28-44 bits) - Worst is 39 bits: 481/910 (0.53x)
Testing collisions (low 32-bit) - Expected 116512.9, actual 58160 (0.50x)
Testing collisions (low 28-44 bits) - Worst is 44 bits: 18/28 (0.63x)
Testing distribution - Worst bias is the 20-bit window at bit 39 - 0.012%
Keyset 'Sparse' - 640-bit keys with up to 3 bits set - 43691201 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 444455.3, actual 221843 (0.50x)
Testing collisions (high 29-46 bits) - Worst is 46 bits: 14/27 (0.52x)
Testing collisions (low 32-bit) - Expected 444455.3, actual 222326 (0.50x)
Testing collisions (low 29-46 bits) - Worst is 46 bits: 18/27 (0.66x)
Testing distribution - Worst bias is the 20-bit window at bit 59 - 0.010%
Keyset 'Sparse' - 768-bit keys with up to 3 bits set - 75498113 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1327126.5, actual 658490 (0.50x)
Testing collisions (high 30-48 bits) - Worst is 45 bits: 93/162 (0.57x)
Testing collisions (low 32-bit) - Expected 1327126.5, actual 659716 (0.50x)
Testing collisions (low 30-48 bits) - Worst is 45 bits: 85/162 (0.52x)
Testing distribution - Worst bias is the 20-bit window at bit 61 - 0.004%
Keyset 'Sparse' - 896-bit keys with up to 2 bits set - 401857 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 37.6, actual 15 (0.40x)
Testing collisions (high 22-32 bits) - Worst is 26 bits: 1197/2406 (0.50x)
Testing collisions (low 32-bit) - Expected 37.6, actual 20 (0.53x)
Testing collisions (low 22-32 bits) - Worst is 31 bits: 43/75 (0.57x)
Testing distribution - Worst bias is the 16-bit window at bit 9 - 0.206%
Keyset 'Sparse' - 1024-bit keys with up to 2 bits set - 524801 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 64.1, actual 30 (0.47x)
Testing collisions (high 23-33 bits) - Worst is 30 bits: 135/256 (0.53x)
Testing collisions (low 32-bit) - Expected 64.1, actual 28 (0.44x)
Testing collisions (low 23-33 bits) - Worst is 24 bits: 8121/16416 (0.49x)
Testing distribution - Worst bias is the 16-bit window at bit 21 - 0.137%
Keyset 'Sparse' - 1280-bit keys with up to 2 bits set - 819841 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 156.5, actual 76 (0.49x)
Testing collisions (high 23-34 bits) - Worst is 33 bits: 50/78 (0.64x)
Testing collisions (low 32-bit) - Expected 156.5, actual 69 (0.44x)
Testing collisions (low 23-34 bits) - Worst is 27 bits: 2520/5007 (0.50x)
Testing distribution - Worst bias is the 17-bit window at bit 54 - 0.116%
Keyset 'Sparse' - 1536-bit keys with up to 2 bits set - 1180417 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 324.4, actual 166 (0.51x)
Testing collisions (high 24-36 bits) - Worst is 33 bits: 86/162 (0.53x)
Testing collisions (low 32-bit) - Expected 324.4, actual 165 (0.51x)
Testing collisions (low 24-36 bits) - Worst is 36 bits: 11/20 (0.54x)
Testing distribution - Worst bias is the 17-bit window at bit 0 - 0.049%
Keyset 'Sparse' - 2048-bit keys with up to 2 bits set - 2098177 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1025.0, actual 509 (0.50x)
Testing collisions (high 25-37 bits) - Worst is 37 bits: 26/32 (0.81x)
Testing collisions (low 32-bit) - Expected 1025.0, actual 557 (0.54x)
Testing collisions (low 25-37 bits) - Worst is 32 bits: 557/1025 (0.54x)
Testing distribution - Worst bias is the 18-bit window at bit 53 - 0.085%
Keyset 'Sparse' - 3072-bit keys with up to 2 bits set - 4720129 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 5187.4, actual 2633 (0.51x)
Testing collisions (high 26-40 bits) - Worst is 38 bits: 44/81 (0.54x)
Testing collisions (low 32-bit) - Expected 5187.4, actual 2558 (0.49x)
Testing collisions (low 26-40 bits) - Worst is 40 bits: 14/20 (0.69x)
Testing distribution - Worst bias is the 19-bit window at bit 8 - 0.045%
Keyset 'Sparse' - 4096-bit keys with up to 2 bits set - 8390657 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 16392.0, actual 8119 (0.50x)
Testing collisions (high 27-41 bits) - Worst is 40 bits: 39/64 (0.61x)
Testing collisions (low 32-bit) - Expected 16392.0, actual 8141 (0.50x)
Testing collisions (low 27-41 bits) - Worst is 41 bits: 23/32 (0.72x)
Testing distribution - Worst bias is the 20-bit window at bit 48 - 0.044%
Keyset 'Sparse' - 6144-bit keys with up to 2 bits set - 18877441 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 82971.0, actual 41319 (0.50x)
Testing collisions (high 28-44 bits) - Worst is 32 bits: 41319/82971 (0.50x)
Testing collisions (low 32-bit) - Expected 82971.0, actual 41809 (0.50x)
Testing collisions (low 28-44 bits) - Worst is 40 bits: 166/324 (0.51x)
Testing distribution - Worst bias is the 20-bit window at bit 52 - 0.012%
Keyset 'Sparse' - 8192-bit keys with up to 2 bits set - 33558529 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 262208.0, actual 130149 (0.50x)
Testing collisions (high 29-45 bits) - Worst is 45 bits: 19/32 (0.59x)
Testing collisions (low 32-bit) - Expected 262208.0, actual 131330 (0.50x)
Testing collisions (low 29-45 bits) - Worst is 45 bits: 22/32 (0.69x)
Testing distribution - Worst bias is the 20-bit window at bit 55 - 0.010%
Keyset 'Sparse' - 9992-bit keys with up to 2 bits set - 49925029 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 580332.4, actual 289733 (0.50x)
Testing collisions (high 29-46 bits) - Worst is 41 bits: 583/1133 (0.51x)
Testing collisions (low 32-bit) - Expected 580332.4, actual 288332 (0.50x)
Testing collisions (low 29-46 bits) - Worst is 44 bits: 87/141 (0.61x)
Testing distribution - Worst bias is the 20-bit window at bit 5 - 0.004%
[[[ Keyset 'Permutation' Tests ]]]
Combination Lowbits Tests:
Keyset 'Combination' - up to 7 blocks from a set of 8 - 2396744 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1337.5, actual 627 (0.47x)
Testing collisions (high 25-38 bits) - Worst is 27 bits: 21315/42798 (0.50x)
Testing collisions (low 32-bit) - Expected 1337.5, actual 669 (0.50x)
Testing collisions (low 25-38 bits) - Worst is 38 bits: 15/20 (0.72x)
Testing distribution - Worst bias is the 18-bit window at bit 51 - 0.096%
Combination Highbits Tests
Keyset 'Combination' - up to 7 blocks from a set of 8 - 2396744 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1337.5, actual 709 (0.53x)
Testing collisions (high 25-38 bits) - Worst is 31 bits: 1465/2674 (0.55x)
Testing collisions (low 32-bit) - Expected 1337.5, actual 673 (0.50x)
Testing collisions (low 25-38 bits) - Worst is 33 bits: 339/668 (0.51x)
Testing distribution - Worst bias is the 18-bit window at bit 2 - 0.052%
Combination Hi-Lo Tests:
Keyset 'Combination' - up to 6 blocks from a set of 15 - 12204240 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 34678.6, actual 17223 (0.50x)
Testing collisions (high 27-42 bits) - Worst is 42 bits: 20/33 (0.59x)
Testing collisions (low 32-bit) - Expected 34678.6, actual 17434 (0.50x)
Testing collisions (low 27-42 bits) - Worst is 42 bits: 23/33 (0.68x)
Testing distribution - Worst bias is the 20-bit window at bit 45 - 0.024%
Combination 0x8000000 Tests:
Keyset 'Combination' - up to 23 blocks from a set of 2 - 16777214 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 65536.0, actual 32792 (0.50x)
Testing collisions (high 28-43 bits) - Worst is 39 bits: 278/511 (0.54x)
Testing collisions (low 32-bit) - Expected 65536.0, actual 32727 (0.50x)
Testing collisions (low 28-43 bits) - Worst is 35 bits: 4150/8191 (0.51x)
Testing distribution - Worst bias is the 20-bit window at bit 24 - 0.022%
Combination 0x0000001 Tests:
Keyset 'Combination' - up to 23 blocks from a set of 2 - 16777214 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 65536.0, actual 32800 (0.50x)
Testing collisions (high 28-43 bits) - Worst is 42 bits: 46/63 (0.72x)
Testing collisions (low 32-bit) - Expected 65536.0, actual 32439 (0.49x)
Testing collisions (low 28-43 bits) - Worst is 41 bits: 81/127 (0.63x)
Testing distribution - Worst bias is the 20-bit window at bit 32 - 0.026%
Combination 0x800000000000000 Tests:
Keyset 'Combination' - up to 23 blocks from a set of 2 - 16777214 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 65536.0, actual 32715 (0.50x)
Testing collisions (high 28-43 bits) - Worst is 39 bits: 271/511 (0.53x)
Testing collisions (low 32-bit) - Expected 65536.0, actual 32717 (0.50x)
Testing collisions (low 28-43 bits) - Worst is 35 bits: 4145/8191 (0.51x)
Testing distribution - Worst bias is the 20-bit window at bit 14 - 0.029%
Combination 0x000000000000001 Tests:
Keyset 'Combination' - up to 23 blocks from a set of 2 - 16777214 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 65536.0, actual 32635 (0.50x)
Testing collisions (high 28-43 bits) - Worst is 37 bits: 1057/2047 (0.52x)
Testing collisions (low 32-bit) - Expected 65536.0, actual 32733 (0.50x)
Testing collisions (low 28-43 bits) - Worst is 42 bits: 37/63 (0.58x)
Testing distribution - Worst bias is the 20-bit window at bit 60 - 0.015%
Combination 16-bytes [0-1] Tests:
Keyset 'Combination' - up to 23 blocks from a set of 2 - 16777214 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 65536.0, actual 32415 (0.49x)
Testing collisions (high 28-43 bits) - Worst is 43 bits: 20/31 (0.63x)
Testing collisions (low 32-bit) - Expected 65536.0, actual 32949 (0.50x)
Testing collisions (low 28-43 bits) - Worst is 42 bits: 34/63 (0.53x)
Testing distribution - Worst bias is the 20-bit window at bit 25 - 0.013%
Combination 16-bytes [0-last] Tests:
Keyset 'Combination' - up to 23 blocks from a set of 2 - 16777214 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 65536.0, actual 32537 (0.50x)
Testing collisions (high 28-43 bits) - Worst is 36 bits: 2080/4095 (0.51x)
Testing collisions (low 32-bit) - Expected 65536.0, actual 32608 (0.50x)
Testing collisions (low 28-43 bits) - Worst is 43 bits: 22/31 (0.69x)
Testing distribution - Worst bias is the 20-bit window at bit 54 - 0.019%
Combination 32-bytes [0-1] Tests:
Keyset 'Combination' - up to 23 blocks from a set of 2 - 16777214 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 65536.0, actual 32501 (0.50x)
Testing collisions (high 28-43 bits) - Worst is 42 bits: 39/63 (0.61x)
Testing collisions (low 32-bit) - Expected 65536.0, actual 32959 (0.50x)
Testing collisions (low 28-43 bits) - Worst is 37 bits: 1058/2047 (0.52x)
Testing distribution - Worst bias is the 20-bit window at bit 52 - 0.025%
Combination 32-bytes [0-last] Tests:
Keyset 'Combination' - up to 23 blocks from a set of 2 - 16777214 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 65536.0, actual 32907 (0.50x)
Testing collisions (high 28-43 bits) - Worst is 40 bits: 129/255 (0.50x)
Testing collisions (low 32-bit) - Expected 65536.0, actual 32920 (0.50x)
Testing collisions (low 28-43 bits) - Worst is 34 bits: 8311/16383 (0.51x)
Testing distribution - Worst bias is the 20-bit window at bit 27 - 0.026%
Combination 64-bytes [0-1] Tests:
Keyset 'Combination' - up to 23 blocks from a set of 2 - 16777214 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 65536.0, actual 32638 (0.50x)
Testing collisions (high 28-43 bits) - Worst is 43 bits: 17/31 (0.53x)
Testing collisions (low 32-bit) - Expected 65536.0, actual 32802 (0.50x)
Testing collisions (low 28-43 bits) - Worst is 38 bits: 527/1023 (0.51x)
Testing distribution - Worst bias is the 20-bit window at bit 19 - 0.029%
Combination 64-bytes [0-last] Tests:
Keyset 'Combination' - up to 23 blocks from a set of 2 - 16777214 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 65536.0, actual 32957 (0.50x)
Testing collisions (high 28-43 bits) - Worst is 36 bits: 2107/4095 (0.51x)
Testing collisions (low 32-bit) - Expected 65536.0, actual 33040 (0.50x)
Testing collisions (low 28-43 bits) - Worst is 42 bits: 39/63 (0.61x)
Testing distribution - Worst bias is the 20-bit window at bit 33 - 0.016%
Combination 128-bytes [0-1] Tests:
Keyset 'Combination' - up to 23 blocks from a set of 2 - 16777214 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 65536.0, actual 32301 (0.49x)
Testing collisions (high 28-43 bits) - Worst is 42 bits: 33/63 (0.52x)
Testing collisions (low 32-bit) - Expected 65536.0, actual 32890 (0.50x)
Testing collisions (low 28-43 bits) - Worst is 43 bits: 19/31 (0.59x)
Testing distribution - Worst bias is the 20-bit window at bit 16 - 0.023%
Combination 128-bytes [0-last] Tests:
Keyset 'Combination' - up to 23 blocks from a set of 2 - 16777214 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 65536.0, actual 32496 (0.50x)
Testing collisions (high 28-43 bits) - Worst is 41 bits: 78/127 (0.61x)
Testing collisions (low 32-bit) - Expected 65536.0, actual 32363 (0.49x)
Testing collisions (low 28-43 bits) - Worst is 41 bits: 83/127 (0.65x)
Testing distribution - Worst bias is the 20-bit window at bit 61 - 0.015%
[[[ Keyset 'Window' Tests ]]]
Keyset 'Window' - 32-bit key, 25-bit window - 32 tests, 33554432 keys per test
Window at 0 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 54 - 0.011%
Window at 1 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 26 - 0.009%
Window at 2 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 58 - 0.008%
Window at 3 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 23 - 0.010%
Window at 4 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 19-bit window at bit 58 - 0.009%
Window at 5 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 17 - 0.008%
Window at 6 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 42 - 0.013%
Window at 7 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 26 - 0.013%
Window at 8 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 30 - 0.013%
Window at 9 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 45 - 0.008%
Window at 10 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 42 - 0.008%
Window at 11 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 9 - 0.015%
Window at 12 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 26 - 0.009%
Window at 13 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 18 - 0.011%
Window at 14 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 54 - 0.012%
Window at 15 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 54 - 0.009%
Window at 16 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 27 - 0.008%
Window at 17 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 59 - 0.010%
Window at 18 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 32 - 0.013%
Window at 19 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 59 - 0.011%
Window at 20 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 51 - 0.013%
Window at 21 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 51 - 0.008%
Window at 22 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 49 - 0.012%
Window at 23 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 33 - 0.012%
Window at 24 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 46 - 0.007%
Window at 25 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 17 - 0.013%
Window at 26 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 32 - 0.015%
Window at 27 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 50 - 0.009%
Window at 28 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 50 - 0.008%
Window at 29 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 52 - 0.010%
Window at 30 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 11 - 0.011%
Window at 31 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 34 - 0.008%
Window at 32 - Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing distribution - Worst bias is the 20-bit window at bit 54 - 0.011%
[[[ Keyset 'Cyclic' Tests ]]]
Keyset 'Cyclic' - 8 cycles of 8 bytes - 1000000 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 232.8, actual 114 (0.49x)
Testing collisions (high 24-35 bits) - Worst is 29 bits: 939/1862 (0.50x)
Testing collisions (low 32-bit) - Expected 232.8, actual 113 (0.49x)
Testing collisions (low 24-35 bits) - Worst is 35 bits: 21/29 (0.72x)
Testing distribution - Worst bias is the 17-bit window at bit 1 - 0.090%
Keyset 'Cyclic' - 8 cycles of 9 bytes - 1000000 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 232.8, actual 123 (0.53x)
Testing collisions (high 24-35 bits) - Worst is 35 bits: 18/29 (0.62x)
Testing collisions (low 32-bit) - Expected 232.8, actual 126 (0.54x)
Testing collisions (low 24-35 bits) - Worst is 33 bits: 65/116 (0.56x)
Testing distribution - Worst bias is the 17-bit window at bit 47 - 0.157%
Keyset 'Cyclic' - 8 cycles of 10 bytes - 1000000 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 232.8, actual 119 (0.51x)
Testing collisions (high 24-35 bits) - Worst is 32 bits: 119/232 (0.51x)
Testing collisions (low 32-bit) - Expected 232.8, actual 102 (0.44x)
Testing collisions (low 24-35 bits) - Worst is 30 bits: 475/931 (0.51x)
Testing distribution - Worst bias is the 17-bit window at bit 63 - 0.091%
Keyset 'Cyclic' - 8 cycles of 11 bytes - 1000000 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 232.8, actual 129 (0.55x)
Testing collisions (high 24-35 bits) - Worst is 35 bits: 17/29 (0.58x)
Testing collisions (low 32-bit) - Expected 232.8, actual 128 (0.55x)
Testing collisions (low 24-35 bits) - Worst is 35 bits: 19/29 (0.65x)
Testing distribution - Worst bias is the 17-bit window at bit 18 - 0.109%
Keyset 'Cyclic' - 8 cycles of 12 bytes - 1000000 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 232.8, actual 130 (0.56x)
Testing collisions (high 24-35 bits) - Worst is 35 bits: 17/29 (0.58x)
Testing collisions (low 32-bit) - Expected 232.8, actual 137 (0.59x)
Testing collisions (low 24-35 bits) - Worst is 34 bits: 35/58 (0.60x)
Testing distribution - Worst bias is the 17-bit window at bit 8 - 0.099%
Keyset 'Cyclic' - 8 cycles of 16 bytes - 1000000 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 232.8, actual 107 (0.46x)
Testing collisions (high 24-35 bits) - Worst is 33 bits: 63/116 (0.54x)
Testing collisions (low 32-bit) - Expected 232.8, actual 109 (0.47x)
Testing collisions (low 24-35 bits) - Worst is 31 bits: 242/465 (0.52x)
Testing distribution - Worst bias is the 17-bit window at bit 41 - 0.093%
[[[ Keyset 'TwoBytes' Tests ]]]
Keyset 'TwoBytes' - up-to-4-byte keys, 652545 total keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 99.1, actual 62 (0.63x)
Testing collisions (high 23-34 bits) - Worst is 32 bits: 62/99 (0.63x)
Testing collisions (low 32-bit) - Expected 99.1, actual 41 (0.41x)
Testing collisions (low 23-34 bits) - Worst is 29 bits: 418/793 (0.53x)
Testing distribution - Worst bias is the 16-bit window at bit 50 - 0.157%
Keyset 'TwoBytes' - up-to-8-byte keys, 5471025 total keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 6969.1, actual 3393 (0.49x)
Testing collisions (high 26-40 bits) - Worst is 40 bits: 16/27 (0.59x)
Testing collisions (low 32-bit) - Expected 6969.1, actual 3406 (0.49x)
Testing collisions (low 26-40 bits) - Worst is 38 bits: 58/108 (0.53x)
Testing distribution - Worst bias is the 20-bit window at bit 48 - 0.081%
Keyset 'TwoBytes' - up-to-12-byte keys, 18616785 total keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 80695.5, actual 39960 (0.50x)
Testing collisions (high 28-43 bits) - Worst is 31 bits: 80183/161391 (0.50x)
Testing collisions (low 32-bit) - Expected 80695.5, actual 40233 (0.50x)
Testing collisions (low 28-43 bits) - Worst is 39 bits: 337/630 (0.53x)
Testing distribution - Worst bias is the 20-bit window at bit 7 - 0.015%
Keyset 'TwoBytes' - up-to-16-byte keys, 44251425 total keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 455926.3, actual 227074 (0.50x)
Testing collisions (high 29-46 bits) - Worst is 46 bits: 24/27 (0.86x)
Testing collisions (low 32-bit) - Expected 455926.3, actual 227253 (0.50x)
Testing collisions (low 29-46 bits) - Worst is 39 bits: 1812/3561 (0.51x)
Testing distribution - Worst bias is the 20-bit window at bit 55 - 0.007%
Keyset 'TwoBytes' - up-to-20-byte keys, 86536545 total keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1743569.4, actual 865411 (0.50x)
Testing collisions (high 30-48 bits) - Worst is 48 bits: 19/26 (0.71x)
Testing collisions (low 32-bit) - Expected 1743569.4, actual 866931 (0.50x)
Testing collisions (low 30-48 bits) - Worst is 39 bits: 6896/13621 (0.51x)
Testing distribution - Worst bias is the 20-bit window at bit 7 - 0.004%
Keyset 'TwoBytes' - up-to-24-byte keys, 149633745 total keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 5213138.1, actual 2574458 (0.49x)
Testing collisions (high 31-49 bits) - Worst is 49 bits: 26/39 (0.65x)
Testing collisions (low 32-bit) - Expected 5213138.1, actual 2575192 (0.49x)
Testing collisions (low 31-49 bits) - Worst is 40 bits: 10246/20363 (0.50x)
Testing distribution - Worst bias is the 20-bit window at bit 27 - 0.002%
[[[ Keyset 'Text' Tests ]]]
Keyset 'Text' - keys of form "Foo[XXXX]Bar" - 14776336 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 50836.3, actual 25346 (0.50x)
Testing collisions (high 28-43 bits) - Worst is 43 bits: 17/24 (0.68x)
Testing collisions (low 32-bit) - Expected 50836.3, actual 25548 (0.50x)
Testing collisions (low 28-43 bits) - Worst is 43 bits: 16/24 (0.64x)
Testing distribution - Worst bias is the 20-bit window at bit 42 - 0.017%
Keyset 'Text' - keys of form "FooBar[XXXX]" - 14776336 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 50836.3, actual 25429 (0.50x)
Testing collisions (high 28-43 bits) - Worst is 41 bits: 58/99 (0.58x)
Testing collisions (low 32-bit) - Expected 50836.3, actual 25414 (0.50x)
Testing collisions (low 28-43 bits) - Worst is 43 bits: 20/24 (0.81x)
Testing distribution - Worst bias is the 20-bit window at bit 47 - 0.021%
Keyset 'Text' - keys of form "[XXXX]FooBar" - 14776336 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 50836.3, actual 25743 (0.51x)
Testing collisions (high 28-43 bits) - Worst is 43 bits: 17/24 (0.68x)
Testing collisions (low 32-bit) - Expected 50836.3, actual 25484 (0.50x)
Testing collisions (low 28-43 bits) - Worst is 43 bits: 17/24 (0.68x)
Testing distribution - Worst bias is the 20-bit window at bit 32 - 0.026%
[[[ Keyset 'Zeroes' Tests ]]]
Keyset 'Zeroes' - 204800 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 9.8, actual 1 (0.10x)
Testing collisions (high 21-30 bits) - Worst is 30 bits: 19/39 (0.49x)
Testing collisions (low 32-bit) - Expected 9.8, actual 6 (0.61x)
Testing collisions (low 21-30 bits) - Worst is 30 bits: 22/39 (0.56x)
Testing distribution - Worst bias is the 15-bit window at bit 48 - 0.332%
[[[ Keyset 'Seed' Tests ]]]
Keyset 'Seed' - 5000000 keys
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 5820.8, actual 2939 (0.50x)
Testing collisions (high 26-40 bits) - Worst is 37 bits: 113/181 (0.62x)
Testing collisions (low 32-bit) - Expected 5820.8, actual 2936 (0.50x)
Testing collisions (low 26-40 bits) - Worst is 39 bits: 26/45 (0.57x)
Testing distribution - Worst bias is the 19-bit window at bit 4 - 0.056%
[[[ Keyset 'Perlin Noise' Tests ]]]
Testing 16777216 coordinates (L2) :
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 65536.0, actual 32603 (0.50x)
Testing collisions (high 28-43 bits) - Worst is 43 bits: 21/31 (0.66x)
Testing collisions (low 32-bit) - Expected 65536.0, actual 32689 (0.50x)
Testing collisions (low 28-43 bits) - Worst is 43 bits: 19/31 (0.59x)
Testing distribution - Worst bias is the 20-bit window at bit 42 - 0.030%
Testing 16777216 coordinates (L4) :
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 65536.0, actual 32968 (0.50x)
Testing collisions (high 28-43 bits) - Worst is 39 bits: 261/511 (0.51x)
Testing collisions (low 32-bit) - Expected 65536.0, actual 32480 (0.50x)
Testing collisions (low 28-43 bits) - Worst is 43 bits: 21/31 (0.66x)
Testing distribution - Worst bias is the 19-bit window at bit 43 - 0.016%
Testing 16777216 coordinates (L8) :
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 65536.0, actual 32911 (0.50x)
Testing collisions (high 28-43 bits) - Worst is 43 bits: 20/31 (0.63x)
Testing collisions (low 32-bit) - Expected 65536.0, actual 32892 (0.50x)
Testing collisions (low 28-43 bits) - Worst is 43 bits: 22/31 (0.69x)
Testing distribution - Worst bias is the 20-bit window at bit 53 - 0.019%
Testing 16777216 coordinates (L16) :
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 65536.0, actual 32966 (0.50x)
Testing collisions (high 28-43 bits) - Worst is 33 bits: 16611/32767 (0.51x)
Testing collisions (low 32-bit) - Expected 65536.0, actual 32872 (0.50x)
Testing collisions (low 28-43 bits) - Worst is 38 bits: 549/1023 (0.54x)
Testing distribution - Worst bias is the 20-bit window at bit 52 - 0.019%
[[[ Diff 'Differential' Tests ]]]
Testing 8303632 up-to-5-bit differentials in 64-bit keys -> 64 bit hashes.
1000 reps, 8303632000 total tests, expecting 0.00 random collisions..........
0 total collisions, of which 0 single collisions were ignored
Testing 11017632 up-to-4-bit differentials in 128-bit keys -> 64 bit hashes.
1000 reps, 11017632000 total tests, expecting 0.00 random collisions..........
0 total collisions, of which 0 single collisions were ignored
Testing 2796416 up-to-3-bit differentials in 256-bit keys -> 64 bit hashes.
1000 reps, 2796416000 total tests, expecting 0.00 random collisions..........
0 total collisions, of which 0 single collisions were ignored
[[[ DiffDist 'Differential Distribution' Tests ]]]
Testing bit 0
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 519 (0.51x)
Testing collisions (high 25-37 bits) - Worst is 37 bits: 18/31 (0.56x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 529 (0.52x)
Testing collisions (low 25-37 bits) - Worst is 33 bits: 267/511 (0.52x)
Testing bit 1
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 513 (0.50x)
Testing collisions (high 25-37 bits) - Worst is 31 bits: 1026/2047 (0.50x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 484 (0.47x)
Testing collisions (low 25-37 bits) - Worst is 36 bits: 42/63 (0.66x)
Testing bit 2
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 514 (0.50x)
Testing collisions (high 25-37 bits) - Worst is 36 bits: 35/63 (0.55x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 536 (0.52x)
Testing collisions (low 25-37 bits) - Worst is 33 bits: 281/511 (0.55x)
Testing bit 3
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 530 (0.52x)
Testing collisions (high 25-37 bits) - Worst is 37 bits: 17/31 (0.53x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 508 (0.50x)
Testing collisions (low 25-37 bits) - Worst is 37 bits: 17/31 (0.53x)
Testing bit 4
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 505 (0.49x)
Testing collisions (high 25-37 bits) - Worst is 33 bits: 269/511 (0.53x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 497 (0.49x)
Testing collisions (low 25-37 bits) - Worst is 30 bits: 2100/4095 (0.51x)
Testing bit 5
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 510 (0.50x)
Testing collisions (high 25-37 bits) - Worst is 36 bits: 40/63 (0.63x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 550 (0.54x)
Testing collisions (low 25-37 bits) - Worst is 36 bits: 40/63 (0.63x)
Testing bit 6
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 496 (0.48x)
Testing collisions (high 25-37 bits) - Worst is 35 bits: 69/127 (0.54x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 493 (0.48x)
Testing collisions (low 25-37 bits) - Worst is 35 bits: 73/127 (0.57x)
Testing bit 7
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 527 (0.51x)
Testing collisions (high 25-37 bits) - Worst is 36 bits: 50/63 (0.78x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 539 (0.53x)
Testing collisions (low 25-37 bits) - Worst is 35 bits: 71/127 (0.55x)
Testing bit 8
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 490 (0.48x)
Testing collisions (high 25-37 bits) - Worst is 37 bits: 19/31 (0.59x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 525 (0.51x)
Testing collisions (low 25-37 bits) - Worst is 34 bits: 139/255 (0.54x)
Testing bit 9
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 495 (0.48x)
Testing collisions (high 25-37 bits) - Worst is 37 bits: 19/31 (0.59x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 509 (0.50x)
Testing collisions (low 25-37 bits) - Worst is 37 bits: 17/31 (0.53x)
Testing bit 10
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 519 (0.51x)
Testing collisions (high 25-37 bits) - Worst is 37 bits: 20/31 (0.63x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 495 (0.48x)
Testing collisions (low 25-37 bits) - Worst is 34 bits: 145/255 (0.57x)
Testing bit 11
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 509 (0.50x)
Testing collisions (high 25-37 bits) - Worst is 37 bits: 20/31 (0.63x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 511 (0.50x)
Testing collisions (low 25-37 bits) - Worst is 28 bits: 8213/16383 (0.50x)
Testing bit 12
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 533 (0.52x)
Testing collisions (high 25-37 bits) - Worst is 35 bits: 71/127 (0.55x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 523 (0.51x)
Testing collisions (low 25-37 bits) - Worst is 36 bits: 45/63 (0.70x)
Testing bit 13
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 552 (0.54x)
Testing collisions (high 25-37 bits) - Worst is 36 bits: 40/63 (0.63x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 537 (0.52x)
Testing collisions (low 25-37 bits) - Worst is 34 bits: 148/255 (0.58x)
Testing bit 14
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 532 (0.52x)
Testing collisions (high 25-37 bits) - Worst is 36 bits: 35/63 (0.55x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 513 (0.50x)
Testing collisions (low 25-37 bits) - Worst is 34 bits: 136/255 (0.53x)
Testing bit 15
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 526 (0.51x)
Testing collisions (high 25-37 bits) - Worst is 33 bits: 278/511 (0.54x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 522 (0.51x)
Testing collisions (low 25-37 bits) - Worst is 37 bits: 20/31 (0.63x)
Testing bit 16
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 504 (0.49x)
Testing collisions (high 25-37 bits) - Worst is 33 bits: 274/511 (0.54x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 519 (0.51x)
Testing collisions (low 25-37 bits) - Worst is 30 bits: 2085/4095 (0.51x)
Testing bit 17
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 510 (0.50x)
Testing collisions (high 25-37 bits) - Worst is 37 bits: 23/31 (0.72x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 559 (0.55x)
Testing collisions (low 25-37 bits) - Worst is 34 bits: 154/255 (0.60x)
Testing bit 18
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 562 (0.55x)
Testing collisions (high 25-37 bits) - Worst is 32 bits: 562/1023 (0.55x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 520 (0.51x)
Testing collisions (low 25-37 bits) - Worst is 32 bits: 520/1023 (0.51x)
Testing bit 19
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 503 (0.49x)
Testing collisions (high 25-37 bits) - Worst is 35 bits: 79/127 (0.62x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 529 (0.52x)
Testing collisions (low 25-37 bits) - Worst is 37 bits: 21/31 (0.66x)
Testing bit 20
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 475 (0.46x)
Testing collisions (high 25-37 bits) - Worst is 28 bits: 8264/16383 (0.50x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 502 (0.49x)
Testing collisions (low 25-37 bits) - Worst is 37 bits: 19/31 (0.59x)
Testing bit 21
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 532 (0.52x)
Testing collisions (high 25-37 bits) - Worst is 32 bits: 532/1023 (0.52x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 541 (0.53x)
Testing collisions (low 25-37 bits) - Worst is 34 bits: 137/255 (0.54x)
Testing bit 22
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 479 (0.47x)
Testing collisions (high 25-37 bits) - Worst is 27 bits: 16347/32767 (0.50x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 536 (0.52x)
Testing collisions (low 25-37 bits) - Worst is 37 bits: 18/31 (0.56x)
Testing bit 23
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 543 (0.53x)
Testing collisions (high 25-37 bits) - Worst is 37 bits: 19/31 (0.59x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 481 (0.47x)
Testing collisions (low 25-37 bits) - Worst is 37 bits: 16/31 (0.50x)
Testing bit 24
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 490 (0.48x)
Testing collisions (high 25-37 bits) - Worst is 36 bits: 32/63 (0.50x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 484 (0.47x)
Testing collisions (low 25-37 bits) - Worst is 37 bits: 22/31 (0.69x)
Testing bit 25
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 516 (0.50x)
Testing collisions (high 25-37 bits) - Worst is 37 bits: 17/31 (0.53x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 521 (0.51x)
Testing collisions (low 25-37 bits) - Worst is 37 bits: 21/31 (0.66x)
Testing bit 26
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 557 (0.54x)
Testing collisions (high 25-37 bits) - Worst is 33 bits: 294/511 (0.57x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 489 (0.48x)
Testing collisions (low 25-37 bits) - Worst is 37 bits: 23/31 (0.72x)
Testing bit 27
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 532 (0.52x)
Testing collisions (high 25-37 bits) - Worst is 37 bits: 24/31 (0.75x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 534 (0.52x)
Testing collisions (low 25-37 bits) - Worst is 35 bits: 67/127 (0.52x)
Testing bit 28
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 528 (0.52x)
Testing collisions (high 25-37 bits) - Worst is 32 bits: 528/1023 (0.52x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 511 (0.50x)
Testing collisions (low 25-37 bits) - Worst is 37 bits: 18/31 (0.56x)
Testing bit 29
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 517 (0.50x)
Testing collisions (high 25-37 bits) - Worst is 32 bits: 517/1023 (0.50x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 495 (0.48x)
Testing collisions (low 25-37 bits) - Worst is 35 bits: 70/127 (0.55x)
Testing bit 30
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 519 (0.51x)
Testing collisions (high 25-37 bits) - Worst is 32 bits: 519/1023 (0.51x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 494 (0.48x)
Testing collisions (low 25-37 bits) - Worst is 37 bits: 17/31 (0.53x)
Testing bit 31
Testing collisions ( 64-bit) - Expected 0.0, actual 0 (0.00x)
Testing collisions (high 32-bit) - Expected 1024.0, actual 534 (0.52x)
Testing collisions (high 25-37 bits) - Worst is 31 bits: 1076/2047 (0.53x)
Testing collisions (low 32-bit) - Expected 1024.0, actual 504 (0.49x)
Testing collisions (low 25-37 bits) - Worst is 30 bits: 2144/4095 (0.52x)