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| I convinced myself by studying dieharder code that it does not properly handle uniform-sampling in ranges that are not powers of two. It samples bits simply by masking out bits from the returned 32-bit numbers. I fixed the rng_eth by projecting numbers in the range [2,P-2] to the range [0,2**31) by rejection sampling. Thereafter it passes most tests. | |
| The only test it fails is the dna test. By inspection, this test uses the full range of 32 bits directly, ignoring the max/min parameters. | |
| (coinscope)amiller@dreyfus:~/projects/bbs/dieharder$ dieharder/dieharder -g 600 -a | |
| #=============================================================================# | |
| # dieharder version 3.31.1 Copyright 2003 Robert G. Brown # | |
| #=============================================================================# | |
| rng_name |rands/second| Seed | | |
| eth| 2.92e+07 |3999144134| | |
| #=============================================================================# | |
| test_name |ntup| tsamples |psamples| p-value |Assessment | |
| #=============================================================================# | |
| diehard_birthdays| 0| 100| 100|0.57322699| PASSED | |
| diehard_operm5| 0| 1000000| 100|0.73163257| PASSED | |
| diehard_rank_32x32| 0| 40000| 100|0.08823745| PASSED | |
| diehard_rank_6x8| 0| 100000| 100|0.65754080| PASSED | |
| diehard_bitstream| 0| 2097152| 100|0.22637695| PASSED | |
| diehard_opso| 0| 2097152| 100|0.14685286| PASSED | |
| diehard_oqso| 0| 2097152| 100|0.37375953| PASSED | |
| diehard_dna| 0| 2097152| 100|0.00000000| FAILED | |
| diehard_count_1s_str| 0| 256000| 100|0.43612018| PASSED | |
| diehard_count_1s_byt| 0| 256000| 100|0.40887596| PASSED | |
| diehard_parking_lot| 0| 12000| 100|0.95668914| PASSED | |
| diehard_2dsphere| 2| 8000| 100|0.92125457| PASSED | |
| diehard_3dsphere| 3| 4000| 100|0.76508769| PASSED | |
| diehard_squeeze| 0| 100000| 100|0.30173395| PASSED | |
| diehard_sums| 0| 100| 100|0.14974030| PASSED | |
| diehard_runs| 0| 100000| 100|0.47229272| PASSED | |
| diehard_runs| 0| 100000| 100|0.84054435| PASSED | |
| diehard_craps| 0| 200000| 100|0.86167567| PASSED | |
| diehard_craps| 0| 200000| 100|0.57347133| PASSED | |
| marsaglia_tsang_gcd| 0| 10000000| 100|0.19372002| PASSED | |
| marsaglia_tsang_gcd| 0| 10000000| 100|0.08313557| PASSED | |
| sts_monobit| 1| 100000| 100|0.66920719| PASSED | |
| sts_runs| 2| 100000| 100|0.96688314| PASSED | |
| sts_serial| 1| 100000| 100|0.26785599| PASSED | |
| sts_serial| 2| 100000| 100|0.88471063| PASSED | |
| sts_serial| 3| 100000| 100|0.51284295| PASSED | |
| sts_serial| 3| 100000| 100|0.09829341| PASSED | |
| sts_serial| 4| 100000| 100|0.52597703| PASSED | |
| sts_serial| 4| 100000| 100|0.72489447| PASSED | |
| sts_serial| 5| 100000| 100|0.84211916| PASSED | |
| sts_serial| 5| 100000| 100|0.67540602| PASSED | |
| sts_serial| 6| 100000| 100|0.63360255| PASSED | |
| sts_serial| 6| 100000| 100|0.40314159| PASSED | |
| sts_serial| 7| 100000| 100|0.36792999| PASSED | |
| sts_serial| 7| 100000| 100|0.07218855| PASSED | |
| sts_serial| 8| 100000| 100|0.05454757| PASSED | |
| sts_serial| 8| 100000| 100|0.44783176| PASSED | |
| sts_serial| 9| 100000| 100|0.17820110| PASSED | |
| sts_serial| 9| 100000| 100|0.71091890| PASSED | |
| sts_serial| 10| 100000| 100|0.72051642| PASSED | |
| sts_serial| 10| 100000| 100|0.73695192| PASSED | |
| sts_serial| 11| 100000| 100|0.86123839| PASSED | |
| sts_serial| 11| 100000| 100|0.59012152| PASSED | |
| sts_serial| 12| 100000| 100|0.34382457| PASSED | |
| sts_serial| 12| 100000| 100|0.94869628| PASSED | |
| sts_serial| 13| 100000| 100|0.74264113| PASSED | |
| sts_serial| 13| 100000| 100|0.88383836| PASSED | |
| sts_serial| 14| 100000| 100|0.98058329| PASSED | |
| sts_serial| 14| 100000| 100|0.34965818| PASSED | |
| sts_serial| 15| 100000| 100|0.32016049| PASSED | |
| sts_serial| 15| 100000| 100|0.04738842| PASSED | |
| sts_serial| 16| 100000| 100|0.71446955| PASSED | |
| sts_serial| 16| 100000| 100|0.55872578| PASSED | |
| rgb_bitdist| 1| 100000| 100|0.46424485| PASSED | |
| rgb_bitdist| 2| 100000| 100|0.10996221| PASSED | |
| rgb_bitdist| 3| 100000| 100|0.80632529| PASSED | |
| rgb_bitdist| 4| 100000| 100|0.53963036| PASSED | |
| rgb_bitdist| 5| 100000| 100|0.84636869| PASSED | |
| rgb_bitdist| 6| 100000| 100|0.63067904| PASSED | |
| rgb_bitdist| 7| 100000| 100|0.59485506| PASSED | |
| rgb_bitdist| 8| 100000| 100|0.71852162| PASSED | |
| rgb_bitdist| 9| 100000| 100|0.45588068| PASSED | |
| rgb_bitdist| 10| 100000| 100|0.71287432| PASSED | |
| rgb_bitdist| 11| 100000| 100|0.59060145| PASSED | |
| rgb_bitdist| 12| 100000| 100|0.02862541| PASSED | |
| rgb_minimum_distance| 2| 10000| 1000|0.36490063| PASSED | |
| rgb_minimum_distance| 3| 10000| 1000|0.61423355| PASSED | |
| rgb_minimum_distance| 4| 10000| 1000|0.82752264| PASSED | |
| rgb_minimum_distance| 5| 10000| 1000|0.03561219| PASSED | |
| rgb_permutations| 2| 100000| 100|0.49036213| PASSED | |
| rgb_permutations| 3| 100000| 100|0.74599405| PASSED | |
| rgb_permutations| 4| 100000| 100|0.47988787| PASSED | |
| rgb_permutations| 5| 100000| 100|0.99917408| WEAK | |
| rgb_lagged_sum| 0| 1000000| 100|0.70907326| PASSED | |
| rgb_lagged_sum| 1| 1000000| 100|0.77446952| PASSED | |
| rgb_lagged_sum| 2| 1000000| 100|0.50632229| PASSED | |
| rgb_lagged_sum| 3| 1000000| 100|0.73021792| PASSED | |
| rgb_lagged_sum| 4| 1000000| 100|0.15214504| PASSED | |
| rgb_lagged_sum| 5| 1000000| 100|0.13572366| PASSED | |
| rgb_lagged_sum| 6| 1000000| 100|0.99657021| WEAK | |
| rgb_lagged_sum| 7| 1000000| 100|0.20376610| PASSED | |
| rgb_lagged_sum| 8| 1000000| 100|0.43630399| PASSED | |
| rgb_lagged_sum| 9| 1000000| 100|0.99714736| WEAK | |
| rgb_lagged_sum| 10| 1000000| 100|0.85765053| PASSED | |
| rgb_lagged_sum| 11| 1000000| 100|0.20200924| PASSED | |
| rgb_lagged_sum| 12| 1000000| 100|0.26786572| PASSED | |
| rgb_lagged_sum| 13| 1000000| 100|0.15727018| PASSED | |
| rgb_lagged_sum| 14| 1000000| 100|0.41902198| PASSED | |
| rgb_lagged_sum| 15| 1000000| 100|0.16419998| PASSED | |
| rgb_lagged_sum| 16| 1000000| 100|0.73049294| PASSED | |
| rgb_lagged_sum| 17| 1000000| 100|0.87898623| PASSED | |
| rgb_lagged_sum| 18| 1000000| 100|0.64598176| PASSED | |
| rgb_lagged_sum| 19| 1000000| 100|0.20892605| PASSED | |
| rgb_lagged_sum| 20| 1000000| 100|0.97241700| PASSED | |
| rgb_lagged_sum| 21| 1000000| 100|0.88608170| PASSED | |
| rgb_lagged_sum| 22| 1000000| 100|0.49651294| PASSED | |
| rgb_lagged_sum| 23| 1000000| 100|0.53054533| PASSED | |
| rgb_lagged_sum| 24| 1000000| 100|0.85572489| PASSED | |
| rgb_lagged_sum| 25| 1000000| 100|0.97934929| PASSED | |
| rgb_lagged_sum| 26| 1000000| 100|0.96336961| PASSED | |
| rgb_lagged_sum| 27| 1000000| 100|0.93758335| PASSED | |
| rgb_lagged_sum| 28| 1000000| 100|0.37788238| PASSED | |
| rgb_lagged_sum| 29| 1000000| 100|0.26578783| PASSED | |
| rgb_lagged_sum| 30| 1000000| 100|0.66480744| PASSED | |
| rgb_lagged_sum| 31| 1000000| 100|0.31283322| PASSED | |
| rgb_lagged_sum| 32| 1000000| 100|0.78452168| PASSED | |
| rgb_kstest_test| 0| 10000| 1000|0.50284229| PASSED | |
| dab_bytedistrib| 0| 51200000| 1|0.89232450| PASSED | |
| dab_dct| 256| 50000| 1|0.77745310| PASSED | |
| Preparing to run test 207. ntuple = 0 | |
| dab_filltree| 32| 15000000| 1|0.44786623| PASSED | |
| dab_filltree| 32| 15000000| 1|0.43227757| PASSED | |
| Preparing to run test 208. ntuple = 0 | |
| dab_filltree2| 0| 5000000| 1|0.28973005| PASSED | |
| dab_filltree2| 1| 5000000| 1|0.54544738| PASSED | |
| Preparing to run test 209. ntuple = 0 | |
| dab_monobit2| 12| 65000000| 1|0.87231826| PASSED |
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