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# Copyright (C) 2020, UChicago Argonne, LLC. All rights reserved.
# Released under the modified BSD license. See COPYING.md for more details.
from pathlib import Path
import pandas as pd
import re
from tabulate import tabulate
from colorama import init, Fore, Back, Style
init()
def process_all_log_files():
pathlist = list(Path(".").glob("results/**/*.log"))
rows = []
for path in pathlist:
if ".ipy" in str(path):
continue
row = process(str(path))
rows += [row]
df = pd.DataFrame(rows)
df = df.sort_values(["Group", "Buses"])
df.index = range(len(df))
print("Writing tables/benchmark.csv")
df.to_csv("tables/benchmark.csv", index_label="Index")
def process(filename):
parts = filename.replace(".log", "").split("/")
group_name = parts[1]
instance_name = "/".join(parts[2:-1])
sample_name = parts[-1]
nodes = 0.0
optimize_time = 0.0
simplex_iterations = 0.0
primal_bound = None
dual_bound = None
gap = None
root_obj = None
root_iterations = 0.0
root_time = 0.0
n_rows_orig, n_rows_presolved = None, None
n_cols_orig, n_cols_presolved = None, None
n_nz_orig, n_nz_presolved = None, None
n_cont_vars_presolved, n_bin_vars_presolved = None, None
read_time, model_time, isf_time, total_time = None, None, None, None
cb_calls, cb_time = 0, 0.0
transmission_count, transmission_time, transmission_calls = 0, 0.0, 0
# m = re.search("case([0-9]*)", instance_name)
# n_buses = int(m.group(1))
n_buses = 0
validation_errors = 0
with open(filename) as file:
for line in file.readlines():
m = re.search(
r"Explored ([0-9.e+]*) nodes \(([0-9.e+]*) simplex iterations\) in ([0-9.e+]*) seconds",
line,
)
if m is not None:
nodes += int(m.group(1))
simplex_iterations += int(m.group(2))
optimize_time += float(m.group(3))
m = re.search(
r"Best objective ([0-9.e+]*), best bound ([0-9.e+]*), gap ([0-9.e+]*)\%",
line,
)
if m is not None:
primal_bound = float(m.group(1))
dual_bound = float(m.group(2))
gap = round(float(m.group(3)), 3)
m = re.search(
r"Root relaxation: objective ([0-9.e+]*), ([0-9.e+]*) iterations, ([0-9.e+]*) seconds",
line,
)
if m is not None:
root_obj = float(m.group(1))
root_iterations += int(m.group(2))
root_time += float(m.group(3))
m = re.search(
r"Presolved: ([0-9.e+]*) rows, ([0-9.e+]*) columns, ([0-9.e+]*) nonzeros",
line,
)
if m is not None:
n_rows_presolved = int(m.group(1))
n_cols_presolved = int(m.group(2))
n_nz_presolved = int(m.group(3))
m = re.search(
r"Optimize a model with ([0-9.e+]*) rows, ([0-9.e+]*) columns and ([0-9.e+]*) nonzeros",
line,
)
if m is not None:
n_rows_orig = int(m.group(1))
n_cols_orig = int(m.group(2))
n_nz_orig = int(m.group(3))
m = re.search(
r"Variable types: ([0-9.e+]*) continuous, ([0-9.e+]*) integer \(([0-9.e+]*) binary\)",
line,
)
if m is not None:
n_cont_vars_presolved = int(m.group(1))
n_bin_vars_presolved = int(m.group(3))
m = re.search(r"Read problem in ([0-9.e+]*) seconds", line)
if m is not None:
read_time = float(m.group(1))
m = re.search(r"Computed ISF in ([0-9.e+]*) seconds", line)
if m is not None:
isf_time = float(m.group(1))
m = re.search(r"Built model in ([0-9.e+]*) seconds", line)
if m is not None:
model_time = float(m.group(1))
m = re.search(r"Total time was ([0-9.e+]*) seconds", line)
if m is not None:
total_time = float(m.group(1))
m = re.search(
r"User-callback calls ([0-9.e+]*), time in user-callback ([0-9.e+]*) sec",
line,
)
if m is not None:
cb_calls = int(m.group(1))
cb_time = float(m.group(2))
m = re.search(r"Verified transmission limits in ([0-9.e+]*) sec", line)
if m is not None:
transmission_time += float(m.group(1))
transmission_calls += 1
m = re.search(r".*MW overflow", line)
if m is not None:
transmission_count += 1
m = re.search(r".*Found ([0-9]*) validation errors", line)
if m is not None:
validation_errors += int(m.group(1))
print(
f"{Fore.YELLOW}{Style.BRIGHT}Warning:{Style.RESET_ALL} {validation_errors:8d} "
f"{Style.DIM}validation errors in {Style.RESET_ALL}{group_name}/{instance_name}/{sample_name}"
)
return {
"Group": group_name,
"Instance": instance_name,
"Sample": sample_name,
"Optimization time (s)": optimize_time,
"Read instance time (s)": read_time,
"Model construction time (s)": model_time,
"ISF & LODF computation time (s)": isf_time,
"Total time (s)": total_time,
"User-callback time": cb_time,
"User-callback calls": cb_calls,
"Gap (%)": gap,
"B&B Nodes": nodes,
"Simplex iterations": simplex_iterations,
"Primal bound": primal_bound,
"Dual bound": dual_bound,
"Root relaxation iterations": root_iterations,
"Root relaxation time": root_time,
"Root relaxation value": root_obj,
"Rows": n_rows_orig,
"Cols": n_cols_orig,
"Nonzeros": n_nz_orig,
"Rows (presolved)": n_rows_presolved,
"Cols (presolved)": n_cols_presolved,
"Nonzeros (presolved)": n_nz_presolved,
"Bin vars (presolved)": n_bin_vars_presolved,
"Cont vars (presolved)": n_cont_vars_presolved,
"Buses": n_buses,
"Transmission screening constraints": transmission_count,
"Transmission screening time": transmission_time,
"Transmission screening calls": transmission_calls,
"Validation errors": validation_errors,
}
def generate_chart():
import pandas as pd
import matplotlib
import matplotlib.pyplot as plt
import seaborn as sns
matplotlib.use("Agg")
sns.set("talk")
sns.set_palette(
[
"#9b59b6",
"#3498db",
"#95a5a6",
"#e74c3c",
"#34495e",
"#2ecc71",
]
)
tables = []
files = ["tables/benchmark.csv"]
for f in files:
table = pd.read_csv(f, index_col=0)
table.loc[:, "Filename"] = f
tables += [table]
benchmark = pd.concat(tables, sort=True)
benchmark = benchmark.sort_values(by=["Group", "Instance"])
k1 = len(benchmark.groupby("Instance"))
k2 = len(benchmark.groupby("Group"))
plt.figure(figsize=(12, 0.25 * k1 * k2))
sns.barplot(
y="Instance",
x="Total time (s)",
hue="Group",
errcolor="k",
errwidth=1.25,
data=benchmark,
)
plt.tight_layout()
print("Writing tables/benchmark.png")
plt.savefig("tables/benchmark.png", dpi=150)
if __name__ == "__main__":
process_all_log_files()
generate_chart()
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