Re: dieharder dla dużych wartości m, np. m=1000 - Grupy dyskusyjne w eGospodarka.pl

eGospodarka.pl › Grupy › pl.comp.programming › dieharder dla dużych wartości m, np. m=1000 › Re: dieharder dla dużych wartości m, np. m=1000

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Date: Wed, 13 Dec 2017 09:38:13 -0800 (PST)
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Subject: Re: dieharder dla dużych wartości m, np. m=1000
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On Wednesday, December 13, 2017 at 3:03:54 PM UTC+1, M.M. wrote:
> Dieharder chyba pada na dużych wartościach m.
>
> Testu dnia urodzin nie przechodzi generator ranlux48, ani mój generator
> fibonacciego z poprzedniego wątku:
>
> FIBONACCI
> time ./frnd | dieharder -d 0 -m 1000 -g 200
> #===================================================
==========================#
> # dieharder version 3.31.1 Copyright 2003 Robert G. Brown #
> #===================================================
==========================#
> rng_name |rands/second| Seed |
> stdin_input_raw| 4.97e+06 |1997299816|
> #===================================================
==========================#
> test_name |ntup| tsamples |psamples| p-value |Assessment
> #===================================================
==========================#
> diehard_birthdays| 0| 100| 100000|0.00000014| FAILED
>
> real 34m8.515s
> user 35m39.480s
> sys 1m20.016s
>
>
>
> RANLUX48
> time ./frnd | dieharder -d 0 -m 1000 -g 200
> #===================================================
==========================#
> # dieharder version 3.31.1 Copyright 2003 Robert G. Brown #
> #===================================================
==========================#
> rng_name |rands/second| Seed |
> stdin_input_raw| 3.78e+05 |1785358803|
> #===================================================
==========================#
> test_name |ntup| tsamples |psamples| p-value |Assessment
> #===================================================
==========================#
> diehard_birthdays| 0| 100| 100000|0.00000013| FAILED
>
> real 93m39.541s
> user 124m16.952s
> sys 0m41.020s
>
> Nie wiem co jest grane, ale chyba brakuje precyzji dieharderowi, rozkłady
> powinny być zaimplementowane chociaż na precyzji 1024 bitów.
>

Dodaj opcje -k 2

Sprawdź w dokumentacji (tym pdfie z dieherder) czy ten test nie jest
jednym z tych, które się wywalają dla zbyt duzych danych.

pzdr
bartekltg