Below are all R options specific to the doFuture package.
For options controlling futures in general, see
the options for the future package.
WARNING: Note that the names and the default values of
these options may change in future versions of the package.
Please use with care until further notice.
All of the above R doFfuture.* options can be set by
corresponding environment variable R_DOFUTURE_* when the
doFuture package is loaded.
For example, if R_DOFUTURE_DEBUG=TRUE, then option
doFuture.debug is set to TRUE (logical).
Specifies to what extent the .export argument of foreach::foreach(), paired
with %dopar%, should be respected or
if globals should be automatically identified. This is only for
%dopar% -- %dofuture% does not support .export and .noexport.
If ".export", then the globals specified by the .export
argument will be used "as is".
If ".export-and-automatic", then globals specified by
.export as well as those automatically identified are used.
The ".export-and-automatic-with-warning" is the same as
".export-and-automatic", but produces a warning if .export
lacks some of the globals that the automatic identification locates,
which could be helpful feedback to developers using foreach::foreach() with
%dopar% -- also when using adapters such as doParallel.
(Default: ".export-and-automatic")
If TRUE, extensive debug messages are
generated. (Default: FALSE)