Environnement Commun Linux : Différence entre versions

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**'''EC_ARCH''' : name of the hardware+software architecture of the machine ('''BASE_ARCH''' + compiler usually)  
 
**'''EC_ARCH''' : name of the hardware+software architecture of the machine ('''BASE_ARCH''' + compiler usually)  
 
*Useful memory layout information  
 
*Useful memory layout information  
**[[Linux memory layout|Linux memory layout]] ('''OMP_STACKSIZE''' environment variable controls thread (&gt;0) stack size)<br>  
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**[[Linux memory layout|Linux memory layout]]<br>  
 
*Useful information about system  
 
*Useful information about system  
 
**'''/proc/cpuinfo'''&nbsp;: pseudo file containing a full description of logical cpus in a linux system (cat/less/more)&lt;br&gt;  
 
**'''/proc/cpuinfo'''&nbsp;: pseudo file containing a full description of logical cpus in a linux system (cat/less/more)&lt;br&gt;  

Version depuis le 21 de novembre 2011 à 14:52

en construction(cette page s'adresse principalement aux développeurs)

under construction(this page is mainly for developers)

  • Environment control via .profile
  • Useful environment variables
    • PATH : colon ':' separated list of directories where executables or sourced (.) shell includes are to be found
    • LD_LIBRARY_PATH : colon ':' separated list of directories where dynamic libraries (.so files) needed by executables can be found
    • EC_LD_LIBRARY_PATH : colon ':' separated list of directories where s.compile, s.f90  et al. will look for libraries
    • EC_INCLUDE_PATH : colon ':' separated list of directories where s.compile, s.f90  et al. will look for include files
    • BASE_ARCH : name of the hardware architecture of the machine
    • EC_ARCH : name of the hardware+software architecture of the machine (BASE_ARCH + compiler usually)
  • Useful memory layout information
  • Useful information about system
    • /proc/cpuinfo : pseudo file containing a full description of logical cpus in a linux system (cat/less/more)<br>
  • useful commands<br>
    • r.mpirun : script front end to mpiexec hiding machine/mpi implementation specific details
    • soumet : script used to submit jobs, hiding machine/batch subsystem specific details<br>