bulk_async_execution_policy_result_t<
ExecutionPolicy, Function, Args...
>
bulk_async_execution_policy(index_sequence<UserArgIndices...>,
index_sequence<SharedArgIndices...>,
ExecutionPolicy& policy, Function f, Args&&... args)
{
using agent_type = typename ExecutionPolicy::execution_agent_type;
using agent_traits = execution_agent_traits<agent_type>;
using execution_category = typename agent_traits::execution_category;
// get the parameters of the agent
auto param = policy.param();
auto agent_shape = agent_traits::domain(param).shape();
// this is a tuple of factories
// each factory in the tuple creates the execution agent's shared parameter at the corresponding hierarchy level
auto agent_shared_parameter_factory_tuple = detail::make_agent_shared_parameter_factory_tuple<agent_type>(param);
using executor_type = typename ExecutionPolicy::executor_type;
// convert the shape of the agent into the type of the executor's shape
using executor_shape_type = executor_shape_t<executor_type>;
executor_shape_type executor_shape = detail::shape_cast<executor_shape_type>(agent_shape);
// create the function that will marshal parameters received from bulk_invoke(executor) and execute the agent
auto lambda = execute_agent_functor<executor_type,agent_traits,Function,UserArgIndices...>{param, agent_shape, executor_shape, f};
return detail::bulk_async_executor(
policy.executor(),
executor_shape,
lambda,
std::forward<Args>(args)...,
agency::share_at_scope_from_factory<SharedArgIndices>(detail::get<SharedArgIndices>(agent_shared_parameter_factory_tuple))...
);
}
