diff options
Diffstat (limited to 'lib/gras_impl/input_buffer_queues.hpp')
| -rw-r--r-- | lib/gras_impl/input_buffer_queues.hpp | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/lib/gras_impl/input_buffer_queues.hpp b/lib/gras_impl/input_buffer_queues.hpp index 80f350b..f81f226 100644 --- a/lib/gras_impl/input_buffer_queues.hpp +++ b/lib/gras_impl/input_buffer_queues.hpp @@ -53,10 +53,13 @@ struct InputBufferQueues if (_queues[i].empty()) return get_null_buff(); //there are enough enqueued bytes, but not in the front buffer - if (_queues[i].front().length < _reserve_bytes[i]) - { - this->accumulate(i); - } + const bool must_accumulate = _queues[i].front().length < _reserve_bytes[i]; + + //should we accumulate? a guess at heuristic improvement + const bool should_accumulate = _queues[i].front().length <= 128; + + if (must_accumulate or should_accumulate) this->accumulate(i); + ASSERT(_queues[i].front().length >= _reserve_bytes[i]); ASSERT((_queues[i].front().length % _items_sizes[i]) == 0); @@ -231,6 +234,8 @@ inline void InputBufferQueues::update_config( GRAS_FORCE_INLINE void InputBufferQueues::accumulate(const size_t i) { + if (this->is_accumulated(i)) return; + if (_aux_queues[i]->empty()) { _aux_queues[i]->allocate_one(_maximum_bytes[i]); |