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Singularity arm64.md

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Singularity arm64

Follow these instructions to run singularity on macOS Ventura @arm64. Solutions using VirtualBox did not work for me, as VirtualBox is available for the arm64-architecture, but no sylabs vm-box. Also, alternative linux distributions do often not work either. Instead, we can establish a lightweight solution without dozens of packages and addons using multipass (see also https://github.com/canonical/multipass). Please consider, that you are in fact building an singularity file in an arm64 environment, which will not work in an x86_64 architecture. To emulate an x86_64 environment at a AppleSilicon Mac, see Singularity x86_64.md.

  1. Install mulipass using HomeBrew or the installer: https://multipass.run/docs/installing-on-macos
  2. Create a new multipass instance by multipass launch -n singularity focal (name: singularity; version: focal = ubuntu 20.04). tbh, i think the version does not really matter, however, i would just try to mirror your target system as good as possible. For other versions or information regarding multipass see https://github.com/canonical/multipass).
  3. Check whether your instance was created successfully: multipass list
  4. Stop your instance: multipass stop singularity
  5. More power to your instance: multipass set local.singularity.cpus=4, multipass set local.singularity.disk=20G, multipass set local.singularity.memory=10G. This can also be adapted later on (only after stopping your instance), and should depend on your host system. I would not exceed 50% of the host system. If you want to check your current settings use multipass get local.singularity.cpus / .disk / .memory
  6. Mount a directory: multipass mount ~some/local/path singularity:/files
  7. Start your instance, and login: multipass shell singularity. It takes some seconds, but you should then get some information regarding your instance and the system information.
  8. To install singularity, you need a C compiler on your instance. Thus, first update the package index:sudo apt-get update. Second install essentials sudo apt install build-essential.
  9. Check whether you got it: gcc --version should print something line "gcc (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0"
  10. Install singularity. For me worked:
git clone https://github.com/sylabs/singularity.git
cd singularity
git fetch --all
git checkout v3.9.7
sudo snap install go --classic
./mconfig
cd builddir
make
sudo make install
  1. Use singularity at your instance to build your files.
  2. Exit with exit, stop your instance with multipass stop singularity

Infos / Utilities

  • show current information using multipass info singularity or multipass info --all
  • unmount directories using multipass unmount singularity

Remove

  • If not needed anymore: Kill your instance with multipass delete singularity and remove remaining files with multipass purge.
  • If multipass not needed anymore: $ sudo sh "/Library/Application Support/com.canonical.multipass/uninstall.sh"