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#!/usr/bin/env python3
"""Format benchmark comparison output with visual indicators for GitHub markdown."""
import re
import sys
def format_benchmark_output(content):
"""Add visual formatting to benchmark comparison output."""
lines = content.split("\n")
formatted_lines = []
for line in lines:
# Skip empty lines and headers
if not line.strip() or line.startswith("|") and "---" in line:
formatted_lines.append(line)
continue
# Process benchmark result lines
if "|" in line and ("faster" in line or "slower" in line):
# Extract the speed factor (e.g., "1.23x faster" or "1.10x slower")
speed_match = re.search(r"(\d+\.\d+)x\s+(faster|slower)", line)
if speed_match:
factor = float(speed_match.group(1))
direction = speed_match.group(2)
# Add visual indicators based on performance
if direction == "faster":
# Green indicator for faster
if factor >= 2.0:
indicator = "🟢🟢" # Double green for 2x+ faster
elif factor >= 1.1:
indicator = "🟢" # Single green for 1.1x+ faster
else:
indicator = "⚪" # White for marginal improvement
formatted_text = f"{indicator} **{speed_match.group(0)}**"
else:
# Red indicator for slower
if factor >= 2.0:
indicator = "🔴🔴" # Double red for 2x+ slower
elif factor >= 1.1:
indicator = "🔴" # Single red for 1.1x+ slower
else:
indicator = "⚪" # White for marginal slowdown
formatted_text = f"{indicator} **{speed_match.group(0)}**"
# Replace the original text with formatted version
line = line.replace(speed_match.group(0), formatted_text)
elif "not significant" in line:
# Add neutral indicator for non-significant changes
line = re.sub(r"not significant", "⚪ not significant", line)
formatted_lines.append(line)
return "\n".join(formatted_lines)
def main():
if len(sys.argv) != 2:
print("Usage: python format_benchmark.py <input_file>")
sys.exit(1)
input_file = sys.argv[1]
try:
with open(input_file, "r") as f:
content = f.read()
formatted = format_benchmark_output(content)
print(formatted)
except FileNotFoundError:
print(f"Error: File '{input_file}' not found")
sys.exit(1)
except Exception as e:
print(f"Error: {e}")
sys.exit(1)
if __name__ == "__main__":
main()
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