Add performance benchmarking scripts

And run them by Travis-CI

1 files changed, 120 insertions, 0 deletions

diff --git a/tests/performance/compare_perfs.py b/tests/performance/compare_perfs.py
new file mode 100755
index 00000000..db142bbd
--- /dev/null
+++ b/tests/performance/compare_perfs.py
@@ -0,0 +1,120 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+# Copyright (c) 2017, IntoPIX SA
+# Contact: support@intopix.com
+# Author: Even Rouault
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+import sys
+
+
+def Usage():
+    print('Usage: compare_perfs.py [-noise_threshold val_in_pct]')
+    print('                        [-warning_threshold val_in_pct]')
+    print('                        [-error_threshold val_in_pct]')
+    print('                        [-global_error_threshold val_in_pct]')
+    print('                        ref.csv new.csv')
+    sys.exit(1)
+
+ref_filename = None
+new_filename = None
+noise_threshold = 2
+warning_threshold = 4
+error_threshold = 6
+global_error_threshold = 2
+i = 1
+while i < len(sys.argv):
+    if sys.argv[i] == '-noise_threshold' and i + 1 < len(sys.argv):
+        i += 1
+        noise_threshold = int(sys.argv[i])
+    elif sys.argv[i] == '-warning_threshold' and i + 1 < len(sys.argv):
+        i += 1
+        warning_threshold = int(sys.argv[i])
+    elif sys.argv[i] == '-error_threshold' and i + 1 < len(sys.argv):
+        i += 1
+        error_threshold = int(sys.argv[i])
+    elif sys.argv[i] == '-global_error_threshold' and i + 1 < len(sys.argv):
+        i += 1
+        global_error_threshold = int(sys.argv[i])
+    elif sys.argv[i][0] == '-':
+        Usage()
+    elif ref_filename is None:
+        ref_filename = sys.argv[i]
+    elif new_filename is None:
+        new_filename = sys.argv[i]
+    else:
+        Usage()
+    i += 1
+if ref_filename is None or new_filename is None:
+    Usage()
+
+assert noise_threshold < warning_threshold
+assert warning_threshold < error_threshold
+assert global_error_threshold >= noise_threshold
+assert global_error_threshold <= error_threshold
+
+ref_lines = open(ref_filename, 'rt').readlines()[1:]
+new_lines = open(new_filename, 'rt').readlines()[1:]
+if len(ref_lines) != len(new_lines):
+    raise Exception('files are not comparable')
+
+ret_code = 0
+for i in range(len(ref_lines)):
+    line = ref_lines[i].replace('\n', '')
+    filename_ref, num_iterations_ref, num_threads_ref, command_ref, \
+        _, time_ms_ref = line.split(',')
+    line = new_lines[i].replace('\n', '')
+    filename_new, num_iterations_new, num_threads_new, command_new, \
+        _, time_ms_new = line.split(',')
+    assert filename_ref == filename_new
+    assert num_iterations_ref == num_iterations_new
+    assert num_threads_ref == num_threads_new
+    assert command_ref == command_new
+    time_ms_ref = int(time_ms_ref)
+    time_ms_new = int(time_ms_new)
+    if filename_ref == 'TOTAL':
+        display = 'TOTAL'
+    else:
+        display = '%s, %s iterations, %s threads, %s' % \
+            (filename_ref, num_iterations_ref, num_threads_ref, command_ref)
+    display += ': ref_time %d ms, new_time %d ms' % (time_ms_ref, time_ms_new)
+    var_pct = 100.0 * (time_ms_new - time_ms_ref) / time_ms_ref
+    if abs(var_pct) <= noise_threshold:
+        display += ', (stable) %0.1f %%' % var_pct
+    elif var_pct < 0:
+        display += ', (improvement) %0.1f %%' % var_pct
+    else:
+        display += ', (regression) %0.1f %%' % var_pct
+    if filename_ref == 'TOTAL' and var_pct > global_error_threshold:
+        display += ', ERROR_THRESHOLD'
+        ret_code = 1
+    elif var_pct > error_threshold:
+        display += ', ERROR_THRESHOLD'
+        ret_code = 1
+    elif var_pct > warning_threshold:
+        display += ', WARNING_THRESHOLD'
+    print(display)
+
+sys.exit(ret_code)