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- conda speedup

  • Disable safety checks
conda config --set safety_checks disabled

  • Be more specific with versions numpy -> numpy=1.15 or even better numpy=1.15.4

  • Specify particular R implementations r-essentials -> r-base=3.5 r-essentials

  • Eliminate possible mixed solutions:

conda config --set channel_priority strict
  • Use mamba

See https://www.anaconda.com/blog/understanding-and-improving-condas-performance

- install conda

Conda env using miniconda, see https://docs.conda.io/en/latest/miniconda.html

wget https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh
bash Miniconda3-latest-Linux-x86_64.sh

- turn-off auto init of conda env at startup

conda config --set auto_activate_base false

- export the conda environment for later use

conda env export >> env.yml

For cross platform compatibility, use --from-history flag to only include packages that were explicitly installed instead of including every package in environment.

conda env export --from-history >> env.yml

- create environment at a specific location

conda create --prefix ./envs