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City32
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City32
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-------------------------------------------------------------------------------
--- Testing City32 (Google CityHash32WithSeed)
[[[ Sanity Tests ]]]
Verification value 0x5C28AD62 : Passed!
Running sanity check 1..........PASS
Running sanity check 2 AppendedZeroesTest..........PASS
[[[ Speed Tests ]]]
Bulk speed test - 262144-byte keys
Alignment 0 - 1.188 bytes/cycle - 3397.98 MiB/sec @ 3 ghz
Alignment 1 - 1.175 bytes/cycle - 3361.13 MiB/sec @ 3 ghz
Alignment 2 - 1.175 bytes/cycle - 3360.95 MiB/sec @ 3 ghz
Alignment 3 - 1.187 bytes/cycle - 3395.05 MiB/sec @ 3 ghz
Alignment 4 - 1.187 bytes/cycle - 3394.77 MiB/sec @ 3 ghz
Alignment 5 - 1.186 bytes/cycle - 3394.10 MiB/sec @ 3 ghz
Alignment 6 - 1.187 bytes/cycle - 3394.64 MiB/sec @ 3 ghz
Alignment 7 - 1.173 bytes/cycle - 3355.23 MiB/sec @ 3 ghz
Small key speed test - 1-byte keys - 27.54 cycles/hash
Small key speed test - 2-byte keys - 32.68 cycles/hash
Small key speed test - 3-byte keys - 27.41 cycles/hash
Small key speed test - 4-byte keys - 26.48 cycles/hash
Small key speed test - 5-byte keys - 34.49 cycles/hash
Small key speed test - 6-byte keys - 27.60 cycles/hash
Small key speed test - 7-byte keys - 35.49 cycles/hash
Small key speed test - 8-byte keys - 34.27 cycles/hash
Small key speed test - 9-byte keys - 27.76 cycles/hash
Small key speed test - 10-byte keys - 34.87 cycles/hash
Small key speed test - 11-byte keys - 27.06 cycles/hash
Small key speed test - 12-byte keys - 36.17 cycles/hash
Small key speed test - 13-byte keys - 40.49 cycles/hash
Small key speed test - 14-byte keys - 40.02 cycles/hash
Small key speed test - 15-byte keys - 39.97 cycles/hash
Small key speed test - 16-byte keys - 39.51 cycles/hash
Small key speed test - 17-byte keys - 39.52 cycles/hash
Small key speed test - 18-byte keys - 41.30 cycles/hash
Small key speed test - 19-byte keys - 39.29 cycles/hash
Small key speed test - 20-byte keys - 39.39 cycles/hash
Small key speed test - 21-byte keys - 40.51 cycles/hash
Small key speed test - 22-byte keys - 40.51 cycles/hash
Small key speed test - 23-byte keys - 40.03 cycles/hash
Small key speed test - 24-byte keys - 40.76 cycles/hash
Small key speed test - 25-byte keys - 58.84 cycles/hash
Small key speed test - 26-byte keys - 59.58 cycles/hash
Small key speed test - 27-byte keys - 58.33 cycles/hash
Small key speed test - 28-byte keys - 59.00 cycles/hash
Small key speed test - 29-byte keys - 59.83 cycles/hash
Small key speed test - 30-byte keys - 58.95 cycles/hash
Small key speed test - 31-byte keys - 58.59 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..........
5 total collisions, of which 5 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 0.570667%
Testing 40-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 0.619333%
Testing 48-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 0.530000%
Testing 56-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 0.641333%
Testing 64-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 0.682667%
Testing 72-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 0.614000%
Testing 80-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 0.736000%
Testing 88-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 0.685333%
Testing 96-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 0.758000%
Testing 104-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 0.834667%
Testing 112-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 0.640667%
Testing 120-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 0.642000%
Testing 128-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 0.856000%
Testing 136-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 0.718667%
Testing 144-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 0.620667%
Testing 152-bit keys -> 32-bit hashes, 300000 reps.......... worst bias is 0.756667%
[[[ Keyset 'Cyclic' Tests ]]]
Keyset 'Cyclic' - 8 cycles of 4 bytes - 10000000 keys
Testing collisions - Expected 11641.53, actual 11690.00 ( 1.00x)
Testing distribution - Worst bias is the 20-bit window at bit 20 - 0.035%
Keyset 'Cyclic' - 8 cycles of 5 bytes - 10000000 keys
Testing collisions - Expected 11641.53, actual 11630.00 ( 1.00x)
Testing distribution - Worst bias is the 20-bit window at bit 13 - 0.016%
Keyset 'Cyclic' - 8 cycles of 6 bytes - 10000000 keys
Testing collisions - Expected 11641.53, actual 11706.00 ( 1.01x)
Testing distribution - Worst bias is the 20-bit window at bit 25 - 0.050%
Keyset 'Cyclic' - 8 cycles of 7 bytes - 10000000 keys
Testing collisions - Expected 11641.53, actual 11721.00 ( 1.01x)
Testing distribution - Worst bias is the 20-bit window at bit 21 - 0.033%
Keyset 'Cyclic' - 8 cycles of 8 bytes - 10000000 keys
Testing collisions - Expected 11641.53, actual 11738.00 ( 1.01x)
Testing distribution - Worst bias is the 20-bit window at bit 12 - 0.030%
[[[ Keyset 'TwoBytes' Tests ]]]
Keyset 'TwoBytes' - up-to-4-byte keys, 652545 total keys
Testing collisions - Expected 49.57, actual 55.00 ( 1.11x)
Testing distribution - Worst bias is the 16-bit window at bit 30 - 0.170%
Keyset 'TwoBytes' - up-to-8-byte keys, 5471025 total keys
Testing collisions - Expected 3484.56, actual 3529.00 ( 1.01x)
Testing distribution - Worst bias is the 20-bit window at bit 12 - 0.050%
Keyset 'TwoBytes' - up-to-12-byte keys, 18616785 total keys
Testing collisions - Expected 40347.77, actual 40120.00 ( 0.99x)
Testing distribution - Worst bias is the 20-bit window at bit 13 - 0.020%
Keyset 'TwoBytes' - up-to-16-byte keys, 44251425 total keys
Testing collisions - Expected 227963.15, actual 226981.00 ( 1.00x)
Testing distribution - Worst bias is the 20-bit window at bit 27 - 0.006%
Keyset 'TwoBytes' - up-to-20-byte keys, 86536545 total keys
Testing collisions - Expected 871784.70, actual 865003.00 ( 0.99x)
Testing distribution - Worst bias is the 20-bit window at bit 18 - 0.003%
[[[ Keyset 'Sparse' Tests ]]]
Keyset 'Sparse' - 32-bit keys with up to 6 bits set - 1149017 keys
Testing collisions - Expected 153.70, actual 164.00 ( 1.07x)
Testing distribution - Worst bias is the 16-bit window at bit 27 - 0.068%
Keyset 'Sparse' - 40-bit keys with up to 6 bits set - 4598479 keys
Testing collisions - Expected 2461.72, actual 2464.00 ( 1.00x)
Testing distribution - Worst bias is the 19-bit window at bit 14 - 0.028%
Keyset 'Sparse' - 48-bit keys with up to 5 bits set - 1925357 keys
Testing collisions - Expected 431.55, actual 428.00 ( 0.99x)
Testing distribution - Worst bias is the 18-bit window at bit 31 - 0.059%
Keyset 'Sparse' - 56-bit keys with up to 5 bits set - 4216423 keys
Testing collisions - Expected 2069.66, actual 1988.00 ( 0.96x)
Testing distribution - Worst bias is the 19-bit window at bit 8 - 0.028%
Keyset 'Sparse' - 64-bit keys with up to 5 bits set - 8303633 keys
Testing collisions - Expected 8026.87, actual 8023.00 ( 1.00x)
Testing distribution - Worst bias is the 20-bit window at bit 10 - 0.041%
Keyset 'Sparse' - 96-bit keys with up to 4 bits set - 3469497 keys
Testing collisions - Expected 1401.34, actual 1456.00 ( 1.04x)
Testing distribution - Worst bias is the 19-bit window at bit 30 - 0.057%
Keyset 'Sparse' - 256-bit keys with up to 3 bits set - 2796417 keys
Testing collisions - Expected 910.36, actual 901.00 ( 0.99x)
Testing distribution - Worst bias is the 19-bit window at bit 10 - 0.084%
Keyset 'Sparse' - 2048-bit keys with up to 2 bits set - 2098177 keys
Testing collisions - Expected 512.50, actual 514.00 ( 1.00x)
Testing distribution - Worst bias is the 18-bit window at bit 26 - 0.052%
[[[ Keyset 'Combination Lowbits' Tests ]]]
Keyset 'Combination' - up to 8 blocks from a set of 8 - 19173960 keys
Testing collisions - Expected 42799.01, actual 42576.00 ( 0.99x)
Testing distribution - Worst bias is the 20-bit window at bit 7 - 0.014%
[[[ Keyset 'Combination Highbits' Tests ]]]
Keyset 'Combination' - up to 8 blocks from a set of 8 - 19173960 keys
Testing collisions - Expected 42799.01, actual 42504.00 ( 0.99x)
Testing distribution - Worst bias is the 20-bit window at bit 15 - 0.014%
[[[ Keyset 'Combination 0x8000000' Tests ]]]
Keyset 'Combination' - up to 20 blocks from a set of 2 - 2097150 keys
Testing collisions - Expected 512.00, actual 542.00 ( 1.06x)
Testing distribution - Worst bias is the 18-bit window at bit 29 - 0.034%
[[[ Keyset 'Combination 0x0000001' Tests ]]]
Keyset 'Combination' - up to 20 blocks from a set of 2 - 2097150 keys
Testing collisions - Expected 512.00, actual 527.00 ( 1.03x)
Testing distribution - Worst bias is the 18-bit window at bit 20 - 0.044%
[[[ Keyset 'Combination Hi-Lo' Tests ]]]
Keyset 'Combination' - up to 6 blocks from a set of 15 - 12204240 keys
Testing collisions - Expected 17339.30, actual 17214.00 ( 0.99x)
Testing distribution - Worst bias is the 20-bit window at bit 25 - 0.020%
[[[ 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 87.00 ( 0.68x)
Window at 14 - Testing collisions - Expected 128.00, actual 94.00 ( 0.73x)
Window at 15 - Testing collisions - Expected 128.00, actual 94.00 ( 0.73x)
Window at 16 - Testing collisions - Expected 128.00, actual 117.00 ( 0.91x)
Window at 17 - Testing collisions - Expected 128.00, actual 103.00 ( 0.80x)
Window at 18 - Testing collisions - Expected 128.00, actual 117.00 ( 0.91x)
Window at 19 - Testing collisions - Expected 128.00, actual 118.00 ( 0.92x)
Window at 20 - Testing collisions - Expected 128.00, actual 109.00 ( 0.85x)
Window at 21 - Testing collisions - Expected 128.00, actual 122.00 ( 0.95x)
Window at 22 - Testing collisions - Expected 128.00, actual 135.00 ( 1.05x)
Window at 23 - Testing collisions - Expected 128.00, actual 126.00 ( 0.98x)
Window at 24 - Testing collisions - Expected 128.00, actual 113.00 ( 0.88x)
Window at 25 - Testing collisions - Expected 128.00, actual 101.00 ( 0.79x)
Window at 26 - Testing collisions - Expected 128.00, actual 100.00 ( 0.78x)
Window at 27 - Testing collisions - Expected 128.00, actual 107.00 ( 0.84x)
Window at 28 - Testing collisions - Expected 128.00, actual 120.00 ( 0.94x)
Window at 29 - Testing collisions - Expected 128.00, actual 121.00 ( 0.95x)
Window at 30 - Testing collisions - Expected 128.00, actual 133.00 ( 1.04x)
Window at 31 - Testing collisions - Expected 128.00, actual 116.00 ( 0.91x)
Window at 32 - Testing collisions - Expected 128.00, actual 133.00 ( 1.04x)
Window at 33 - Testing collisions - Expected 128.00, actual 135.00 ( 1.05x)
Window at 34 - Testing collisions - Expected 128.00, actual 131.00 ( 1.02x)
Window at 35 - Testing collisions - Expected 128.00, actual 118.00 ( 0.92x)
Window at 36 - Testing collisions - Expected 128.00, actual 121.00 ( 0.95x)
Window at 37 - Testing collisions - Expected 128.00, actual 128.00 ( 1.00x)
Window at 38 - Testing collisions - Expected 128.00, actual 144.00 ( 1.13x)
Window at 39 - Testing collisions - Expected 128.00, actual 114.00 ( 0.89x)
Window at 40 - Testing collisions - Expected 128.00, actual 125.00 ( 0.98x)
Window at 41 - Testing collisions - Expected 128.00, actual 141.00 ( 1.10x)
Window at 42 - Testing collisions - Expected 128.00, actual 124.00 ( 0.97x)
Window at 43 - Testing collisions - Expected 128.00, actual 126.00 ( 0.98x)
Window at 44 - Testing collisions - Expected 128.00, actual 131.00 ( 1.02x)
Window at 45 - Testing collisions - Expected 128.00, actual 131.00 ( 1.02x)
Window at 46 - Testing collisions - Expected 128.00, actual 132.00 ( 1.03x)
Window at 47 - Testing collisions - Expected 128.00, actual 114.00 ( 0.89x)
Window at 48 - Testing collisions - Expected 128.00, actual 134.00 ( 1.05x)
Window at 49 - Testing collisions - Expected 128.00, actual 140.00 ( 1.09x)
Window at 50 - Testing collisions - Expected 128.00, actual 117.00 ( 0.91x)
Window at 51 - Testing collisions - Expected 128.00, actual 135.00 ( 1.05x)
Window at 52 - Testing collisions - Expected 128.00, actual 125.00 ( 0.98x)
Window at 53 - Testing collisions - Expected 128.00, actual 110.00 ( 0.86x)
Window at 54 - Testing collisions - Expected 128.00, actual 125.00 ( 0.98x)
Window at 55 - Testing collisions - Expected 128.00, actual 138.00 ( 1.08x)
Window at 56 - Testing collisions - Expected 128.00, actual 144.00 ( 1.13x)
Window at 57 - Testing collisions - Expected 128.00, actual 123.00 ( 0.96x)
Window at 58 - Testing collisions - Expected 128.00, actual 117.00 ( 0.91x)
Window at 59 - Testing collisions - Expected 128.00, actual 112.00 ( 0.88x)
Window at 60 - Testing collisions - Expected 128.00, actual 125.00 ( 0.98x)
Window at 61 - Testing collisions - Expected 128.00, actual 134.00 ( 1.05x)
Window at 62 - Testing collisions - Expected 128.00, actual 87.00 ( 0.68x)
Window at 63 - Testing collisions - Expected 128.00, actual 65.00 ( 0.51x)
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 25508.00 ( 1.00x)
Testing distribution - Worst bias is the 20-bit window at bit 17 - 0.014%
Keyset 'Text' - keys of form "FooBar[XXXX]" - 14776336 keys
Testing collisions - Expected 25418.13, actual 25322.00 ( 1.00x)
Testing distribution - Worst bias is the 19-bit window at bit 31 - 0.017%
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 15-bit window at bit 1 - 0.005%
[[[ Keyset 'Zeroes' Tests ]]]
Keyset 'Zeroes' - 65536 keys
Testing collisions - Expected 0.50, actual 0.00 ( 0.00x)
Testing distribution - Worst bias is the 12-bit window at bit 23 - 0.299%
[[[ Keyset 'Seed' Tests ]]]
Keyset 'Seed' - 1000000 keys
Testing collisions - Expected 116.42, actual 0.00 ( 0.00x)
Testing distribution - Worst bias is the 17-bit window at bit 27 - 0.429%
Input vcode 0x046e1d77, Output vcode 0x43eb7822, Result vcode 0x00000001
Verification value is 0x00000001 - Testing took 1913.262116 seconds
-------------------------------------------------------------------------------