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Upgrade in-tree google benchmark to v1.1

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@286029 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Fiselier
2016-11-05 00:30:27 +00:00
parent e619862dbf
commit d87eb99b80
59 changed files with 2445 additions and 2487 deletions
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9
utils/google-benchmark/tools/gbench/report.py
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@@ -59,6 +59,10 @@ def calculate_change(old_val, new_val):
"""
Return a float representing the decimal change between old_val and new_val.
"""
if old_val == 0 and new_val == 0:
return 0.0
if old_val == 0:
return float(new_val - old_val) / (float(old_val + new_val) / 2)
return float(new_val - old_val) / abs(old_val)
@@ -73,7 +77,7 @@ def generate_difference_report(json1, json2, use_color=True):
if b['name'] == name:
return b
return None
first_line = "{:<{}s} Time CPU".format(
first_line = "{:<{}s} Time CPU Old New".format(
'Benchmark', first_col_width)
output_strs = [first_line, '-' * len(first_line)]
for bn in json1['benchmarks']:
@@ -88,12 +92,13 @@ def generate_difference_report(json1, json2, use_color=True):
return BC_WHITE
else:
return BC_CYAN
fmt_str = "{}{:<{}s}{endc} {}{:+.2f}{endc} {}{:+.2f}{endc}"
fmt_str = "{}{:<{}s}{endc} {}{:+.2f}{endc} {}{:+.2f}{endc} {:4d} {:4d}"
tres = calculate_change(bn['real_time'], other_bench['real_time'])
cpures = calculate_change(bn['cpu_time'], other_bench['cpu_time'])
output_strs += [color_format(use_color, fmt_str,
BC_HEADER, bn['name'], first_col_width,
get_color(tres), tres, get_color(cpures), cpures,
bn['cpu_time'], other_bench['cpu_time'],
endc=BC_ENDC)]
return output_strs