void thorium_actor_send_range_default(struct thorium_actor *actor, struct core_vector *actors, int first, int last, struct thorium_message *message) { #ifdef USE_BINOMIAL_TREE struct core_vector destinations; struct core_memory_pool *ephemeral_memory; int name; ephemeral_memory = thorium_actor_get_ephemeral_memory(actor); core_vector_init(&destinations, sizeof(int)); core_vector_set_memory_pool(&destinations, ephemeral_memory); core_vector_copy_range(actors, first, last, &destinations); /* * Set the source now. */ name = thorium_actor_name(actor); thorium_message_set_source(message, name); thorium_actor_send_range_binomial_tree(actor, &destinations, message); core_vector_destroy(&destinations); #else thorium_actor_send_range_loop(actor, actors, first, last, message); #endif }
void thorium_actor_send_range_default(struct thorium_actor *actor, struct core_vector *actors, int first, int last, struct thorium_message *message) { int use_binomial_tree; struct core_vector destinations; struct core_memory_pool *ephemeral_memory; int name; int action; action = thorium_message_action(message); use_binomial_tree = 0; #ifdef USE_BINOMIAL_TREE /* * ACTION_ASK_TO_STOP basically kills actors (if they agree to). * It is a bad idea to use a binomial tree to send this death signal * since intermediate actors can die before acting as relays. */ if (action != ACTION_ASK_TO_STOP) use_binomial_tree = 1; #endif if (!use_binomial_tree) { thorium_actor_send_range_loop(actor, actors, first, last, message); return; } tracepoint(thorium_binomial_tree, send_range, message, (int)core_vector_size(actors)); /* * Otherwise, use the binomial tree code path. This algorithm is better since it distributed * the sending operations intot a binomial tree where there are a lot of intermediate * actors (to be exact, the number of intermediate actors is close to log2(actors.size)). */ ephemeral_memory = thorium_actor_get_ephemeral_memory(actor); core_vector_init(&destinations, sizeof(int)); core_vector_set_memory_pool(&destinations, ephemeral_memory); CORE_DEBUGGER_ASSERT(core_vector_empty(&destinations)); core_vector_copy_range(actors, first, last, &destinations); /* * Set the source now. */ name = thorium_actor_name(actor); thorium_message_set_source(message, name); thorium_actor_send_range_binomial_tree(actor, &destinations, message); core_vector_destroy(&destinations); }