[Gate-users] problem with random number seed?

[Hediye Acun]

Thank you Thomas. I will check it up. 
Best regards. 

Hediye Acun

29 Oca 2016 tarihinde 22:59 saatinde, Thomas DESCHLER <Thomas.Deschler at iphc.cnrs.fr> şunları yazdı:

> Hello,
> 
> I had the same seed problem with Gate when my Geant4 was compiled with GEANT4_BUILD_MULTITHREADED at ON.
> 
> Can you check the compilation options of your Geant4 ?
> 
> I hope this will help,
> 
> Best regards,
> 
> Thomas Deschler
> 
> Le 29 janv. 2016 3:47 PM, "hediye acun" <acunhediye at yahoo.com> a écrit :
>> Hello All,
>> 
>> I have Gate "develop" version and at the same time geant4.10.1.0 and root_v5.34.32 on the GPU. My operating system is Linux Mint 17.2 . 
>> 
>> I am triying to simulate a linac head to get Phase Space of photons. Just for an example I run Gate for a basic geometry which include only electron beam, target filter and Phase space plane inside a linac geometry. When I run Gate two or more times for same "number of primaries" I got the exactly the same Phase Space distributions (histogram of Ekine completely identical). But I am using "/gate/random/setEngineSeed auto" command and according to the documentation that should give me the different seed every time when I run it. I would expect some random differences between PhS's from different runs.
>> 
>> Does anyone have any idea about this issue? Thank you in advance.
>> 
>> Hediye Acun
>> 
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