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2025-11-29 17:51:59 +08:00

121 lines
3.2 KiB
Python
Executable File

#!/usr/bin/env python3
"""
Calculate Navigator efficiency score (0-100).
Weights:
- Token savings: 40 points (85%+ = max)
- Cache efficiency: 30 points (100% = max)
- Context usage: 30 points (<40% = max, >80% = 0)
"""
import sys
import argparse
def calculate_efficiency_score(
tokens_saved_percent: float,
cache_efficiency: float,
context_usage_percent: float
) -> int:
"""
Calculate Navigator efficiency score (0-100).
Args:
tokens_saved_percent: Percentage of tokens saved vs baseline (0-100)
cache_efficiency: Cache hit rate (0-100)
context_usage_percent: Percentage of context window used (0-100)
Returns:
int: Efficiency score (0-100)
"""
# Token savings (40 points max)
# 85%+ savings = 40 points, linear scale below
token_score = min(40, (tokens_saved_percent / 85) * 40)
# Cache efficiency (30 points max)
# 100% = 30 points, linear scale
cache_score = (cache_efficiency / 100) * 30
# Context usage (30 points max)
# <40% = 30 points (excellent)
# 40-80% = linear from 30 to 0 (good → fair)
# >80% = 0 points (poor - context overloaded)
if context_usage_percent < 40:
context_score = 30
elif context_usage_percent <= 80:
# Linear decay from 30 (at 40%) to 0 (at 80%)
context_score = 30 - ((context_usage_percent - 40) / 40) * 30
else:
context_score = 0
total_score = int(token_score + cache_score + context_score)
# Ensure score is in valid range
return max(0, min(100, total_score))
def interpret_score(score: int) -> str:
"""
Interpret efficiency score into human-readable rating.
Args:
score: Efficiency score (0-100)
Returns:
str: Rating (excellent, good, fair, poor)
"""
if score >= 90:
return "excellent"
elif score >= 80:
return "good"
elif score >= 70:
return "fair"
else:
return "poor"
if __name__ == "__main__":
parser = argparse.ArgumentParser(
description="Calculate Navigator efficiency score"
)
parser.add_argument(
"--tokens-saved-percent",
type=float,
required=True,
help="Percentage of tokens saved vs baseline (0-100)"
)
parser.add_argument(
"--cache-efficiency",
type=float,
required=True,
help="Cache hit rate percentage (0-100)"
)
parser.add_argument(
"--context-usage",
type=float,
required=True,
help="Context window usage percentage (0-100)"
)
parser.add_argument(
"--verbose",
action="store_true",
help="Show detailed breakdown"
)
args = parser.parse_args()
score = calculate_efficiency_score(
args.tokens_saved_percent,
args.cache_efficiency,
args.context_usage
)
if args.verbose:
rating = interpret_score(score)
print(f"Efficiency Score: {score}/100 ({rating})")
print(f" Token savings: {args.tokens_saved_percent}%")
print(f" Cache efficiency: {args.cache_efficiency}%")
print(f" Context usage: {args.context_usage}%")
else:
# Output just the score (parseable)
print(score)
sys.exit(0)