diff options
Diffstat (limited to 'ethosu/vela/live_range.py')
| -rw-r--r-- | ethosu/vela/live_range.py | 23 |
1 files changed, 8 insertions, 15 deletions
diff --git a/ethosu/vela/live_range.py b/ethosu/vela/live_range.py index ccf49297..19d0c11f 100644 --- a/ethosu/vela/live_range.py +++ b/ethosu/vela/live_range.py @@ -63,7 +63,7 @@ class LiveRange: def mark_usage(self, op_time, op_length=1): op_time_start = max(op_time, 0) op_time_end = op_time + op_length - if op_time_end < op_time_start: + if op_time_end <= op_time_start: return self.start_time = min(self.start_time, op_time_start) @@ -325,20 +325,13 @@ def _extract_live_ranges_from_schedule(sg, target_mem_area, target_mem_type_set, rng.mark_usage(time_to_set) - for idx, weight_tens in enumerate(op_info.buffered_weight_tensors): - if weight_tens.mem_type in target_mem_type_set and weight_tens.mem_area == target_mem_area: - rng = lr_graph.get_or_create_range(weight_tens) - start_time = time_to_set - length = 1 - if weight_tens.pre_buffer: - start_time -= 1 - length += 1 - if len(op_info.buffered_weight_tensors) > 1: - last_idx = len(op_info.ofm_depth_slices) % len(op_info.buffered_weight_tensors) - # Double buffering: reduce end time of the buffer that is not used last - if last_idx != idx: - length -= 1 - rng.mark_usage(start_time, length) + weight_tens = op_info.buffered_weight_tensor + if weight_tens and weight_tens.mem_type in target_mem_type_set and weight_tens.mem_area == target_mem_area: + rng = lr_graph.get_or_create_range(weight_tens) + if weight_tens.pre_buffer: + rng.mark_usage(time_to_set - 1, 2) + else: + rng.mark_usage(time_to_set) if time_to_set == lr_graph.current_time: lr_graph.current_time += 2 |