The dodgr package implements most calculations by
default in parallel, using the maximum number of available threads or
cores. Numbers of available threads can be determined with either of the
following two functions:
parallel::detectCores ()## [1] 4
RcppParallel::defaultNumThreads ()## [1] 4Numbers of cores used in calculations can be controlled by specifying
the numThread parameter passed to the
RcppParallel function setThreadOptions.
For control over numbers of threads used, this function must be called
prior to calling any dodgr functions. For example,
single-threaded processing can be ensured by first making the following
call:
RcppParallel::setThreadOptions (numThreads = 1L)