tutorial:madgraph

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tutorial:madgraph [2018/12/11 19:05] – minerva1993tutorial:madgraph [2023/03/06 13:44] (current) – external edit 127.0.0.1
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-===== Install Madgraph ===== +==== Install Madgraph ==== 
-You have to install MG5 in your home directory. +<alert type="info">**Note:** There can be troubles in compiling/library linking/etc at the runtime.
-<alert type="info">**Note:** Fully working installation script is prepared https://github.com/Yadoking/GenProduction/blob/master/install/install_madgraph.sh</alert>+
  
-<alert type="info">**Note:** There can be troubles in compiling/library linking/etc at the runtime.</alert> +</alert> 
-Initial setup - install CMSSW and MG5 from launchpad+Initial setup - install MG5 from launchpad
 <code> <code>
 mkdir -p ~/work/MG5 mkdir -p ~/work/MG5
 cd ~/work/MG5 cd ~/work/MG5
-wget https://launchpad.net/mg5amcnlo/2.0/2.6.x/+download/MG5_aMC_v2.6.0.tar.gz +wget https://launchpad.net/mg5amcnlo/2.0/2.6.x/+download/MG5_aMC_v2.6.4.tar.gz 
-tar xzf MG5_aMC_v2.6.0.tar.gz+tar xzf MG5_aMC_v2.6.4.tar.gz
 </code> </code>
  
 Setup the devtoolset to use updated gcc and python. Setup the devtoolset to use updated gcc and python.
 <code> <code>
 +# Don't need to source following lines in Ubuntu and Mac.
 # source /opt/rh/devtoolset-4/enable # source /opt/rh/devtoolset-4/enable
 # source /opt/rh/python27/enable # source /opt/rh/python27/enable
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 </code> </code>
  
-Install missing tools.+Install missing tools. Order does matter.
 <code> <code>
 bin/mg5_aMC bin/mg5_aMC
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 </code> </code>
  
-<alert type="info">The "OneLoop" package have to be recompiled, after modifying the source code</alert>+<alert type="info">For NLO production, the "OneLoop" package have to be recompiled, after modifying the source code</alert>
 Open the fortran source code ''HEPTools/oneloop/OneLOop-3.6/src/avh_olo_print.f90'' and modify the line 61, replace ''real(kindr2)'' to ''double precision'' (in the ''printr'' function). Open the fortran source code ''HEPTools/oneloop/OneLOop-3.6/src/avh_olo_print.f90'' and modify the line 61, replace ''real(kindr2)'' to ''double precision'' (in the ''printr'' function).
 This is because of a gfortran bug. See https://bugs.launchpad.net/mg5amcnlo/+bug/1631604 and https://answers.launchpad.net/mg5amcnlo/+question/268548#16 This is because of a gfortran bug. See https://bugs.launchpad.net/mg5amcnlo/+bug/1631604 and https://answers.launchpad.net/mg5amcnlo/+question/268548#16
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 </code> </code>
 But in this case, you should not run delphes automatically because multiple delphes sessions will make a crash. But in this case, you should not run delphes automatically because multiple delphes sessions will make a crash.
 +
 +==== Basic Syntax ====
 +
 +==== Get New PDF ====
 +
 +==== Parameters for Run Card ====
 +
 +==== Disable HEPMC compression ====
 +만들어진 HEPMC파일을 압축하는데에는 시간이 오래 걸리므로, 외부에서 delphes를 사용할 것이라면 압축하지 않고 다음 job으로 넘어가는 것이 빠르다.
 +<code>
 +vi path_to-MG5/madgraph/interface/madevent_interface.py
 +</code>
 +line 5291의 ''misc.gzip(file_path,stdout=file_path)''를 추석처리한다. 이미 데이터셋 'output folder_name'를 만들었다면, 해당 폴더에서
 +<code>
 +vi bin/internal/madevent_interface.py #코드 수정
 +rm bin/internal/madevent_interface.pyo
 +</code>
 +
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  • Last modified: 2023/03/06 13:44
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