Environment Variables

SasView creates and uses a number of environment variables:

• SAS_MODELPATH=path

  • sets the directory containing custom models

• SAS_DLL_PATH=path

  • sets the path to the compiled modules

• SAS_WEIGHTS_PATH=~/.sasview/weights

  • sets the path to custom distribution files (see Polydispersity & Orientational Distributions)

• XDG_CACHE_HOME=~/.cache/

  • sets the pyopencl cache root (on Linux)

• XDG_CONFIG_HOME=~/.config

  • sets configuration file location (on Linux)

  • used via the platformdirs <https://github.com/tox-dev/platformdirs?tab=readme-ov-file#example-output> package

• SAS_COMPILER=tinycc|msvc|mingw|unix

  • sets the DLL compiler

• SAS_OPENCL=vendor:device|none

  • sets the target OpenCL device for GPU computations

  • use none to disable

• SAS_OPENMP=1|0

  • turns on/off OpenMP multi-processing of the DLLs

Document History

2018-07-20 Steve King