Benchmarking stuff

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 33 insertions, 0 deletions

diff --git a/bench/merge-benchmark.py b/bench/merge-benchmark.py
new file mode 100755
index 0000000..aeb5eac
--- /dev/null
+++ b/bench/merge-benchmark.py
@@ -0,0 +1,33 @@
+#!/usr/bin/env python3
+# See LICENSE file for copyright and license details.
+
+import sys
+
+line_count = None
+files = []
+
+for path in sys.argv[1:]:
+    with open(path, 'rb') as file:
+        data = file.read()
+    data = data.decode('utf-8', 'strict')
+    if data[-1] == '\n':
+        data = data[:-1]
+    data = data.split('\n')
+    if line_count is None:
+        line_count = len(data)
+    elif len(data) != line_count:
+        print('%s: line count mismatch' % sys.argv[0], file = sys.stderr)
+        sys.exit(1)
+    files.append(data)
+
+for i in range(line_count):
+    best_sec = None
+    best_nsec = None
+    best_line = None
+    for lines in files:
+        line = lines[i]
+        [sec, nsec] = line.split(':')[1].split(' ')[1].split('.')
+        [sec, nsec] = [int(sec), int(nsec)]
+        if best_sec is None or sec < best_sec or (sec == best_sec and nsec < best_nsec):
+            best_sec, best_nsec, best_line = sec, nsec, line
+    print(best_line)