Installs Torch and its dependencies.
install_torch(reinstall = FALSE, ..., .inform_restart = TRUE)
Re-install Torch even if its already installed?
This function is mainly controlled by environment variables that can be used to override the defaults:
TORCH_HOME: the installation path. By default dependencies are installed
within the package directory. Eg what's given by
TORCH_URL: A URL, path to a ZIP file or a directory containing a LibTorch version.
Files will be installed/copied to the
LANTERN_URL: Same as
TORCH_URL but for the Lantern library.
TORCH_INSTALL_DEBUG: Setting it to 1, shows debug log messages during installation.
PRECXX11ABI: Setting it to
1 will will trigger the installation of
a Pre-cxx11 ABI installation of LibTorch. This can be useful in environments with
older versions of GLIBC like CentOS7 and older Debian/Ubuntu versions.
LANTERN_BASE_URL: The base URL for lantern files. This allows passing a directory
where lantern binaries are located. The filename is then constructed as usual.
TORCH_COMMIT_SHA: torch repository commit sha to be used when querying lantern
uploads. Set it to
'none' to avoid looking for build for that commit and
use the latest build for the branch.
CUDA: We try to automatically detect the CUDA version installed in your system,
but you might want to manually set it here. You can also disable CUDA installation
by setting it to 'cpu'.
TORCH_R_VERSION: The R torch version. It's unlikely that you need to change it,
but it can be useful if you don't have the R package installed, but want to
install the dependencies.
variable can be set to
0 to prevent auto-installing torch and
TORCH_LOAD set to
to avoid loading dependencies automatically. These environment variables are meant for advanced use
cases and troubleshooting only.
When timeout error occurs during library archive download, or length of downloaded files differ from
reported length, an increase of the
timeout value should help.
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