From 752932ffa655d7c19c8196ba1cde1d710969d2ff Mon Sep 17 00:00:00 2001
From: Simon Bjurek <simbj106@student.liu.se>
Date: Tue, 11 Mar 2025 13:12:00 +0100
Subject: [PATCH] fixed bug in scheduling
---
b_asic/schedule.py | 29 +++++++++++++++++++++++++----
1 file changed, 25 insertions(+), 4 deletions(-)
diff --git a/b_asic/schedule.py b/b_asic/schedule.py
index 71e9e9d7..d6c4cea0 100644
--- a/b_asic/schedule.py
+++ b/b_asic/schedule.py
@@ -365,10 +365,10 @@ class Schedule:
available_time = (
cast(int, source.latency_offset)
+ self._start_times[source.operation.graph_id]
- - self._schedule_time * self._laps[signal.graph_id]
)
if available_time > self._schedule_time:
available_time -= self._schedule_time
+ available_time -= self._schedule_time * self._laps[signal.graph_id]
else:
available_time = (
cast(int, source.latency_offset)
@@ -458,6 +458,26 @@ class Schedule:
raise ValueError(
f"New schedule time ({time}) too short, minimum: {max_end_time}."
)
+
+ # if updating the scheduling time -> update laps due to operations
+ # reading and writing in different iterations (across the edge)
+ if self._schedule_time is not None:
+ for signal_id in self._laps.keys():
+ port = self._sfg.find_by_id(signal_id).destination
+
+ source_port = port.signals[0].source
+ source_op = source_port.operation
+ source_port_start_time = self._start_times[source_op.graph_id]
+ source_port_latency_offset = source_op.latency_offsets[
+ f"out{source_port.index}"
+ ]
+ if (
+ source_port_start_time + source_port_latency_offset
+ > self._schedule_time
+ and source_port_start_time + source_port_latency_offset <= time
+ ):
+ self._laps[signal_id] += 1
+
self._schedule_time = time
return self
@@ -945,11 +965,12 @@ class Schedule:
f"out{source_port.index}"
]
if (
- lap == 0
- and source_port_start_time + source_port_latency_offset
+ source_port_start_time + source_port_latency_offset
> self._schedule_time
):
- lap = 1
+ lap += (
+ source_port_start_time + source_port_latency_offset
+ ) // self._schedule_time
destination_laps.append((port.operation.graph_id, port.index, lap))
--
GitLab