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Uncached schedule recalculation is now twice as fast

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This commit is contained in:
Dion Moult
2021-06-17 11:05:43 +10:00
parent 2a7fbea9c3
commit 97d0286b57
2 changed files with 49 additions and 30 deletions
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src/ifcopenshell-python/ifcopenshell/api/sequence/recalculate_schedule.py
+48 -21
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@@ -146,26 +146,38 @@ class Usecase:
finish = predecessor_data.get("early_finish")
if finish is None:
return
starts.append(self.offset_date(finish, edge["lag_time"], data))
starts.append(self.offset_date(finish, edge["lag_time"], predecessor_data))
if not edge["lag_time"]:
starts.append(finish)
else:
starts.append(self.offset_date(finish, edge["lag_time"], data))
starts.append(self.offset_date(finish, edge["lag_time"], predecessor_data))
elif edge["type"] == "SS":
start = predecessor_data.get("early_start")
if start is None:
return
starts.append(self.offset_date(start, edge["lag_time"], data))
starts.append(self.offset_date(start, edge["lag_time"], predecessor_data))
if not edge["lag_time"]:
starts.append(start)
else:
starts.append(self.offset_date(start, edge["lag_time"], data))
starts.append(self.offset_date(start, edge["lag_time"], predecessor_data))
elif edge["type"] == "FF":
finish = predecessor_data.get("early_finish")
if finish is None:
return
finishes.append(self.offset_date(finish, edge["lag_time"], data))
finishes.append(self.offset_date(finish, edge["lag_time"], predecessor_data))
if not edge["lag_time"]:
finishes.append(finish)
else:
finishes.append(self.offset_date(finish, edge["lag_time"], data))
finishes.append(self.offset_date(finish, edge["lag_time"], predecessor_data))
elif edge["type"] == "SF":
start = predecessor_data.get("early_start")
if start is None:
return
finishes.append(self.offset_date(start, edge["lag_time"], data))
finishes.append(self.offset_date(start, edge["lag_time"], predecessor_data))
if not edge["lag_time"]:
finishes.append(start)
else:
finishes.append(self.offset_date(start, edge["lag_time"], data))
finishes.append(self.offset_date(start, edge["lag_time"], predecessor_data))
if starts and finishes:
data["early_start"] = max(starts)
data["early_finish"] = max(finishes)
@@ -205,8 +217,11 @@ class Usecase:
start = successor_data.get("late_start")
if start is None:
return
finishes.append(self.offset_date(start, -edge["lag_time"], data))
finishes.append(self.offset_date(start, -edge["lag_time"], successor_data))
if not edge["lag_time"]:
finishes.append(start)
else:
finishes.append(self.offset_date(start, -edge["lag_time"], data))
finishes.append(self.offset_date(start, -edge["lag_time"], successor_data))
free_floats.append(
self.calculate_free_float(
data["early_finish"], successor_data["early_start"], edge["lag_time"], data, successor_data
@@ -216,8 +231,11 @@ class Usecase:
start = successor_data.get("late_start")
if start is None:
return
starts.append(self.offset_date(start, -edge["lag_time"], data))
starts.append(self.offset_date(start, -edge["lag_time"], successor_data))
if not edge["lag_time"]:
starts.append(start)
else:
starts.append(self.offset_date(start, -edge["lag_time"], data))
starts.append(self.offset_date(start, -edge["lag_time"], successor_data))
free_floats.append(
self.calculate_free_float(
data["early_start"], successor_data["early_start"], edge["lag_time"], data, successor_data
@@ -227,8 +245,11 @@ class Usecase:
finish = successor_data.get("late_finish")
if finish is None:
return
finishes.append(self.offset_date(finish, -edge["lag_time"], data))
finishes.append(self.offset_date(finish, -edge["lag_time"], successor_data))
if not edge["lag_time"]:
finishes.append(finish)
else:
finishes.append(self.offset_date(finish, -edge["lag_time"], data))
finishes.append(self.offset_date(finish, -edge["lag_time"], successor_data))
free_floats.append(
self.calculate_free_float(
data["early_finish"], successor_data["early_finish"], edge["lag_time"], data, successor_data
@@ -238,8 +259,11 @@ class Usecase:
finish = successor_data.get("late_finish")
if finish is None:
return
starts.append(self.offset_date(finish, -edge["lag_time"], data))
starts.append(self.offset_date(finish, -edge["lag_time"], successor_data))
if not edge["lag_time"]:
starts.append(finish)
else:
starts.append(self.offset_date(finish, -edge["lag_time"], data))
starts.append(self.offset_date(finish, -edge["lag_time"], successor_data))
free_floats.append(
self.calculate_free_float(
data["early_start"], successor_data["early_finish"], edge["lag_time"], data, successor_data
@@ -278,12 +302,15 @@ class Usecase:
return True
def calculate_free_float(self, predecessor_date, successor_date, lag_time, predecessor_data, successor_data):
min_successor_date = min(
(
self.offset_date(successor_date, -lag_time, predecessor_data),
self.offset_date(successor_date, -lag_time, successor_data),
if not lag_time:
min_successor_date = successor_date
else:
min_successor_date = min(
(
self.offset_date(successor_date, -lag_time, predecessor_data),
self.offset_date(successor_date, -lag_time, successor_data),
)
)
)
if predecessor_data["duration_type"] == "WORKTIME":
return datetime.timedelta(
days=ifcopenshell.util.sequence.count_working_days(