pub unsafe extern "C" fn ncclCommInitAll(
comm: *mut ncclComm_t,
ndev: c_int,
devlist: *const c_int,
) -> ncclResult_t
pub unsafe extern "C" fn ncclCommInitAll(
comm: *mut ncclComm_t,
ndev: c_int,
devlist: *const c_int,
) -> ncclResult_t