New Lagged Fib. PRNG gen and random2.d

[monarch_dodra]

On Monday, 26 August 2013 at 09:24:57 UTC, monarch_dodra wrote:
> That's my biased review/comment on the numbers. I'll post them 
> here, so you can interpret yourself.

Units are ms. 1_000_000_000 iterations

/*Generate simple uints*/
Time for LinearCongruentialEngine!(uint, 16807, 0, 2147483647):  
7487
Time for LinearCongruentialEngine!(uint, 48271, 0, 2147483647):  
7092
Time for MersenneTwisterEngine!(uint, 32, 624, 397, 31, 
2567483615u, 11, 7, 2636928640u, 15, 4022730752u, 18): 13678
Time for XorshiftEngine!(uint, 32, 13, 17, 5)             :  4266
Time for XorshiftEngine!(uint, 64, 10, 13, 10)            :  4694
Time for XorshiftEngine!(uint, 96, 10, 5, 26)             :  5697
Time for XorshiftEngine!(uint, 128, 11, 8, 19)            :  5675
Time for XorshiftEngine!(uint, 160, 2, 1, 4)              :  6401
Time for XorshiftEngine!(uint, 192, 2, 1, 4)              :  6754
Time for LaggedFibonacciEngine!(uint, 32u, 607, 273)      :  7630
Time for LaggedFibonacciEngine!(uint, 32u, 1279, 418)     :  7196
Time for LaggedFibonacciEngine!(uint, 32u, 2281, 1252)    :  7411
Time for LaggedFibonacciEngine!(uint, 32u, 3217, 576)     :  7031
Time for LaggedFibonacciEngine!(uint, 32u, 4423, 2098)    :  7402
Time for LaggedFibonacciEngine!(uint, 32u, 9689, 5502)    :  6999
Time for LaggedFibonacciEngine!(uint, 32u, 19937, 9842)   :  7478
Time for LaggedFibonacciEngine!(uint, 32u, 23209, 13470)  :  7064
Time for LaggedFibonacciEngine!(uint, 32u, 44497, 21034)  :  7528
/*Note: These generate longer ulong types*/
Time for LaggedFibonacciEngine!(ulong, 48u, 607, 273)     : 11860
Time for LaggedFibonacciEngine!(ulong, 48u, 1279, 418)    : 11675
Time for LaggedFibonacciEngine!(ulong, 48u, 2281, 1252)   : 11622
Time for LaggedFibonacciEngine!(ulong, 48u, 3217, 576)    : 11621
Time for LaggedFibonacciEngine!(ulong, 48u, 4423, 2098)   : 11699
Time for LaggedFibonacciEngine!(ulong, 48u, 9689, 5502)   : 11898
Time for LaggedFibonacciEngine!(ulong, 48u, 19937, 9842)  : 11883
Time for LaggedFibonacciEngine!(ulong, 48u, 23209, 13470) : 11870
Time for LaggedFibonacciEngine!(ulong, 48u, 44497, 21034) : 11908
Time for LaggedFibonacciEngine!(ulong, 64u, 607, 273)     : 11745
Time for LaggedFibonacciEngine!(ulong, 64u, 1279, 418)    : 11838
Time for LaggedFibonacciEngine!(ulong, 64u, 2281, 1252)   : 11656
Time for LaggedFibonacciEngine!(ulong, 64u, 3217, 576)    : 11709
Time for LaggedFibonacciEngine!(ulong, 64u, 4423, 2098)   : 11768
Time for LaggedFibonacciEngine!(ulong, 64u, 9689, 5502)   : 11863
Time for LaggedFibonacciEngine!(ulong, 64u, 19937, 9842)  : 11923
Time for LaggedFibonacciEngine!(ulong, 64u, 23209, 13470) : 11878
Time for LaggedFibonacciEngine!(ulong, 64u, 44497, 21034) : 11905

/* Generating doubles */
/* via g.front/g.max */
Time for LinearCongruentialEngine!(uint, 16807, 0, 2147483647): 
12093
Time for LinearCongruentialEngine!(uint, 48271, 0, 2147483647): 
12057
Time for MersenneTwisterEngine!(uint, 32, 624, 397, 31, 
2567483615u, 11, 7, 2636928640u, 15, 4022730752u, 18): 19510
Time for XorshiftEngine!(uint, 32, 13, 17, 5)             : 10616
Time for XorshiftEngine!(uint, 64, 10, 13, 10)            : 10634
Time for XorshiftEngine!(uint, 96, 10, 5, 26)             : 10978
Time for XorshiftEngine!(uint, 128, 11, 8, 19)            : 11715
Time for XorshiftEngine!(uint, 160, 2, 1, 4)              : 12052
Time for XorshiftEngine!(uint, 192, 2, 1, 4)              : 12017
Time for LaggedFibonacciEngine!(uint, 32u, 607, 273)      : 12449
Time for LaggedFibonacciEngine!(uint, 32u, 1279, 418)     : 12382
Time for LaggedFibonacciEngine!(uint, 32u, 2281, 1252)    : 12334
Time for LaggedFibonacciEngine!(uint, 32u, 3217, 576)     : 12321
Time for LaggedFibonacciEngine!(uint, 32u, 4423, 2098)    : 12293
Time for LaggedFibonacciEngine!(uint, 32u, 9689, 5502)    : 12482
Time for LaggedFibonacciEngine!(uint, 32u, 19937, 9842)   : 12596
Time for LaggedFibonacciEngine!(uint, 32u, 23209, 13470)  : 12605
Time for LaggedFibonacciEngine!(uint, 32u, 44497, 21034)  : 12727
Time for LaggedFibonacciEngine!(ulong, 48u, 607, 273)     : 17727
Time for LaggedFibonacciEngine!(ulong, 48u, 1279, 418)    : 17626
Time for LaggedFibonacciEngine!(ulong, 48u, 2281, 1252)   : 17527
Time for LaggedFibonacciEngine!(ulong, 48u, 3217, 576)    : 17549
Time for LaggedFibonacciEngine!(ulong, 48u, 4423, 2098)   : 19146
Time for LaggedFibonacciEngine!(ulong, 48u, 9689, 5502)   : 18044
Time for LaggedFibonacciEngine!(ulong, 48u, 19937, 9842)  : 17612
Time for LaggedFibonacciEngine!(ulong, 48u, 23209, 13470) : 17810
Time for LaggedFibonacciEngine!(ulong, 48u, 44497, 21034) : 17855
Time for LaggedFibonacciEngine!(ulong, 64u, 607, 273)     : 17736
Time for LaggedFibonacciEngine!(ulong, 64u, 1279, 418)    : 17630
Time for LaggedFibonacciEngine!(ulong, 64u, 2281, 1252)   : 18671
Time for LaggedFibonacciEngine!(ulong, 64u, 3217, 576)    : 17775
Time for LaggedFibonacciEngine!(ulong, 64u, 4423, 2098)   : 17773
Time for LaggedFibonacciEngine!(ulong, 64u, 9689, 5502)   : 17905
Time for LaggedFibonacciEngine!(ulong, 64u, 19937, 9842)  : 17887
Time for LaggedFibonacciEngine!(ulong, 64u, 23209, 13470) : 17910
Time for LaggedFibonacciEngine!(ulong, 64u, 44497, 21034) : 17976
/* Using native doubles */
Time for LaggedFibonacciEngine!(double, 32u, 607, 273)    : 14741
Time for LaggedFibonacciEngine!(double, 32u, 1279, 418)   : 14475
Time for LaggedFibonacciEngine!(double, 32u, 2281, 1252)  : 14829
Time for LaggedFibonacciEngine!(double, 32u, 3217, 576)   : 14815
Time for LaggedFibonacciEngine!(double, 32u, 4423, 2098)  : 14817
Time for LaggedFibonacciEngine!(double, 32u, 9689, 5502)  : 14698
Time for LaggedFibonacciEngine!(double, 32u, 19937, 9842) : 14882
Time for LaggedFibonacciEngine!(double, 32u, 23209, 13470): 14819
Time for LaggedFibonacciEngine!(double, 32u, 44497, 21034): 14924
/* Native doubles, but higher precision */
Time for LaggedFibonacciEngine!(double, 48u, 607, 273)    : 14657
Time for LaggedFibonacciEngine!(double, 48u, 1279, 418)   : 14577
Time for LaggedFibonacciEngine!(double, 48u, 2281, 1252)  : 14652
Time for LaggedFibonacciEngine!(double, 48u, 3217, 576)   : 14464
Time for LaggedFibonacciEngine!(double, 48u, 4423, 2098)  : 14619
Time for LaggedFibonacciEngine!(double, 48u, 9689, 5502)  : 15168
Time for LaggedFibonacciEngine!(double, 48u, 19937, 9842) : 14904
Time for LaggedFibonacciEngine!(double, 48u, 23209, 13470): 15016
Time for LaggedFibonacciEngine!(double, 48u, 44497, 21034): 15083
Time for LaggedFibonacciEngine!(double, 64u, 607, 273)    : 14807
Time for LaggedFibonacciEngine!(double, 64u, 1279, 418)   : 14639
Time for LaggedFibonacciEngine!(double, 64u, 2281, 1252)  : 14582
Time for LaggedFibonacciEngine!(double, 64u, 3217, 576)   : 14587
Time for LaggedFibonacciEngine!(double, 64u, 4423, 2098)  : 14794
Time for LaggedFibonacciEngine!(double, 64u, 9689, 5502)  : 14893
Time for LaggedFibonacciEngine!(double, 64u, 19937, 9842) : 14802
Time for LaggedFibonacciEngine!(double, 64u, 23209, 13470): 15077
Time for LaggedFibonacciEngine!(double, 64u, 44497, 21034): 15115
Time for LaggedFibonacciEngine!(real, 64u, 607, 273)      : 19308
Time for LaggedFibonacciEngine!(real, 64u, 1279, 418)     : 19249
Time for LaggedFibonacciEngine!(real, 64u, 2281, 1252)    : 19176
Time for LaggedFibonacciEngine!(real, 64u, 3217, 576)     : 19128
Time for LaggedFibonacciEngine!(real, 64u, 4423, 2098)    : 19878
Time for LaggedFibonacciEngine!(real, 64u, 9689, 5502)    : 19221
Time for LaggedFibonacciEngine!(real, 64u, 19937, 9842)   : 19211
Time for LaggedFibonacciEngine!(real, 64u, 23209, 13470)  : 19241
Time for LaggedFibonacciEngine!(real, 64u, 44497, 21034)  : 19268