Squashed 'src/nudb/' content from commit 00adc6a

git-subtree-dir: src/nudb
git-subtree-split: 00adc6a4f16679a376f40c967f77dfa544c179c1

bench/plot_bench.py

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+#/usr/bin/env python
+
+# Script to read the result of the benchmark program and plot the results.
+# Options:
+#   `-i arg` : input file (benchmark result)
+# Notes: After the script runs the plot will automatically be shown in matplotlib.
+#        Tested with python 3 only.
+
+import argparse
+import pandas as pd
+import matplotlib.pyplot as plt
+import seaborn as sns
+
+def run_main(result_filename):
+    d = pd.read_csv(result_filename)
+    p = sns.lmplot(x='num_db_items', y='ops/sec', data=d[d['num_db_items']>=500000], hue='db', col='op')
+    plt.show(p)
+    return d  # for testing
+
+
+def parse_args():
+    parser = argparse.ArgumentParser(
+        description=('Plot the benchmark results'))
+    parser.add_argument(
+        '--input',
+        '-i',
+        help=('input'), )
+    return parser.parse_args()
+
+
+if __name__ == '__main__':
+    args = parse_args()
+    result_filename = args.input
+    if not result_filename:
+        print('No result file specified. Exiting')
+    else:
+        run_main(result_filename)