Hi, I am wondering if Stan currently (or will in future) supports within-chain parallelisation for arm64 Macs? I am trying to run an example model (from dschrage / rcovreg · GitLab) and constantly get thrown this error:
dyld: Library not loaded: @rpath/libtbb.dylib
Reason: tried: ‘~/.cmdstanr/cmdstan-2.28.2/stan/lib/stan_math/lib/tbb/libtbb.dylib’ (mach-o file, but is an incompatible architecture (have ‘arm64’, need ‘x86_64’)),
The error goes away after removing “cpp_options = list(stan_threads = TRUE)” from the model.
R version 4.1.2 (2021-11-01)
Platform: aarch64-apple-darwin20 (64-bit)
Running under: macOS Monterey 12.2