[gate-users] Benchmark

[Sebastien JAN]

Hi all,
Just for information:

when you use fedora core 4, you use gcc 4 and geant4 7.0 & gate are not 
validated for this gcc version

cheers
seb

Vandana Kohli wrote:
> Dear Jianfeng,
> I was using Fedora core 4 for sometime. It has had issues with memory 
> leak and all that stuff. The GATE software has not been tested for 
> Fedora core 4. I downgraded to Fedora core 3. That is what I am using 
> right now.
> Vandana Kohli
> 
>  
> On 9/11/05, *Jianfeng He* <jfenghe at petnm.unimelb.edu.au 
> <mailto:jfenghe at petnm.unimelb.edu.au>> wrote:
> 
>     Dear all,
> 
>     Has somebody validated successfully the benchmarkPET with GATE package
>     in the following environment:
>     Fedora Core 4
>     gcc 4.0.0
>     Geant4.7.0.p01
>     CLHEP 1.8.1.0 <http://1.8.1.0>,
>     Root 4.03/04,
>     GATE2.2.0
> 
>     After installation and benchmark, I got a strange problem about
>     benchmark result that one detector head was lost in the plots of the
>     benchmark compared with the reference plots of benchmark(normally it
>     should be 8 repeat head).
> 
>     I modified the camera.mac file of bechmark related to the part of repeat
>     head, adding one more the setRepeatNumber from 8 to 9, then running
>     benchmark again. The result of benchmark seems to be close the reference
>     as follow:
> 
>     Acquisition start time = 0 [s]
>     Acquisition stop time  = 240 [s]
>     O-15 decay factor = 0.546383
>     F-18 decay factor = 0.987477
>     O-15 initial activity = 100000 [Bq]
>     F-18 initial activity = 100000 [Bq]
>     O-15 decays = 1.31132e+07
>     F-18 decays = 2.36994e+07
>     ==> Expected total number of decays during the acquisition is 3.68126e
>     +07 +/- 6067.34
>     There are 3.68072e+07 recorded decays
>     There are 314545 true unscattered coincidences
>     There are 24421 random coincidences
>     There are 369822 scattered coincidences
>     ==> there are 708788 coincidences (true, scattered, and random)
>     ==> global scatter fraction = 0.540385
>     ==> absolute sensitivity = 0.854573 %
>     Measured O-15 life-time = 123.607 [s]
>     Nominal  O-15 life-time = 122.24  [s]
>       ==> difference = 1.11809 %
>     Gamma acolinearity FWHM = 0.606303 degree (expected: 0.58)
> 
>     Does anybody have any idea why one detector head is lost? Thanks a lot!
> 
>     Regards,
> 
>     Jianfeng
> 
> 
> 
> 
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