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| 1 | +#!/usr/bin/env python3 |
| 2 | +"""Compare Quadtrix C++ and Python benchmark JSON files.""" |
| 3 | + |
| 4 | +from __future__ import annotations |
| 5 | + |
| 6 | +import argparse |
| 7 | +import json |
| 8 | +from pathlib import Path |
| 9 | +from typing import Any |
| 10 | + |
| 11 | + |
| 12 | +DEFAULT_RESULTS = Path(__file__).resolve().parent / "results" |
| 13 | + |
| 14 | + |
| 15 | +def load(path: Path) -> dict[str, Any]: |
| 16 | + with path.open("r", encoding="utf-8") as f: |
| 17 | + return json.load(f) |
| 18 | + |
| 19 | + |
| 20 | +def index_rows(result: dict[str, Any]) -> dict[tuple[str, str, int, int], dict[str, Any]]: |
| 21 | + indexed = {} |
| 22 | + for row in result.get("results", []): |
| 23 | + key = ( |
| 24 | + row.get("suite", ""), |
| 25 | + row.get("name", ""), |
| 26 | + int(row.get("batch_size") or 0), |
| 27 | + int(row.get("sequence_length") or 0), |
| 28 | + ) |
| 29 | + indexed[key] = row |
| 30 | + return indexed |
| 31 | + |
| 32 | + |
| 33 | +def pct(new: float, old: float) -> float: |
| 34 | + if old == 0: |
| 35 | + return 0.0 |
| 36 | + return (new - old) / old * 100.0 |
| 37 | + |
| 38 | + |
| 39 | +def compare_backends(cpp_path: Path, python_path: Path) -> int: |
| 40 | + missing = [str(path) for path in (cpp_path, python_path) if not path.exists()] |
| 41 | + if missing: |
| 42 | + print("Missing benchmark result file(s):") |
| 43 | + for path in missing: |
| 44 | + print(f" {path}") |
| 45 | + print("Run benchmark/run_all.py first, or pass explicit --cpp/--python paths.") |
| 46 | + return 1 |
| 47 | + |
| 48 | + cpp = load(cpp_path) |
| 49 | + py = load(python_path) |
| 50 | + cpp_rows = index_rows(cpp) |
| 51 | + py_rows = index_rows(py) |
| 52 | + |
| 53 | + common = sorted(set(cpp_rows) & set(py_rows)) |
| 54 | + if not common: |
| 55 | + print("No matching benchmark rows found.") |
| 56 | + return 1 |
| 57 | + |
| 58 | + print("Quadtrix C++ vs Python Benchmark Comparison") |
| 59 | + print(f"C++: {cpp_path}") |
| 60 | + print(f"Python: {python_path}") |
| 61 | + print() |
| 62 | + print(f"{'suite':<12} {'name':<24} {'shape':<10} {'cpp ms':>10} {'py ms':>10} {'cpp tok/s':>12} {'py tok/s':>12} {'latency':>10}") |
| 63 | + print("-" * 110) |
| 64 | + |
| 65 | + for key in common: |
| 66 | + suite, name, batch, seq = key |
| 67 | + c = cpp_rows[key] |
| 68 | + p = py_rows[key] |
| 69 | + cpp_ms = float(c.get("avg_ms") or 0.0) |
| 70 | + py_ms = float(p.get("avg_ms") or 0.0) |
| 71 | + cpp_tps = float(c.get("tokens_per_sec") or 0.0) |
| 72 | + py_tps = float(p.get("tokens_per_sec") or 0.0) |
| 73 | + shape = f"{batch}x{seq}" if batch or seq else "-" |
| 74 | + delta = pct(cpp_ms, py_ms) |
| 75 | + print( |
| 76 | + f"{suite:<12} {name:<24} {shape:<10} " |
| 77 | + f"{cpp_ms:10.3f} {py_ms:10.3f} {cpp_tps:12.1f} {py_tps:12.1f} {delta:+9.1f}%" |
| 78 | + ) |
| 79 | + return 0 |
| 80 | + |
| 81 | + |
| 82 | +def compare_baseline(current_path: Path, baseline_path: Path, threshold_pct: float) -> int: |
| 83 | + missing = [str(path) for path in (current_path, baseline_path) if not path.exists()] |
| 84 | + if missing: |
| 85 | + print("Missing benchmark result file(s):") |
| 86 | + for path in missing: |
| 87 | + print(f" {path}") |
| 88 | + return 1 |
| 89 | + |
| 90 | + current = load(current_path) |
| 91 | + baseline = load(baseline_path) |
| 92 | + current_rows = index_rows(current) |
| 93 | + baseline_rows = index_rows(baseline) |
| 94 | + common = sorted(set(current_rows) & set(baseline_rows)) |
| 95 | + |
| 96 | + print("Quadtrix Benchmark Baseline Comparison") |
| 97 | + print(f"Current: {current_path}") |
| 98 | + print(f"Baseline: {baseline_path}") |
| 99 | + print() |
| 100 | + |
| 101 | + regressions = [] |
| 102 | + for key in common: |
| 103 | + c = current_rows[key] |
| 104 | + b = baseline_rows[key] |
| 105 | + delta = pct(float(c.get("avg_ms") or 0.0), float(b.get("avg_ms") or 0.0)) |
| 106 | + if delta > threshold_pct: |
| 107 | + regressions.append((key, delta, b, c)) |
| 108 | + |
| 109 | + if not regressions: |
| 110 | + print(f"No latency regressions over {threshold_pct:.1f}%.") |
| 111 | + return 0 |
| 112 | + |
| 113 | + print(f"Latency regressions over {threshold_pct:.1f}%:") |
| 114 | + for key, delta, b, c in regressions: |
| 115 | + suite, name, batch, seq = key |
| 116 | + print( |
| 117 | + f" {suite}/{name} {batch}x{seq}: " |
| 118 | + f"{float(b.get('avg_ms') or 0.0):.3f} ms -> {float(c.get('avg_ms') or 0.0):.3f} ms ({delta:+.1f}%)" |
| 119 | + ) |
| 120 | + return 2 |
| 121 | + |
| 122 | + |
| 123 | +def parse_args() -> argparse.Namespace: |
| 124 | + parser = argparse.ArgumentParser(description="Compare Quadtrix benchmark results.") |
| 125 | + parser.add_argument("--cpp", type=Path, default=DEFAULT_RESULTS / "cpp_benchmark.json") |
| 126 | + parser.add_argument("--python", type=Path, default=DEFAULT_RESULTS / "python_benchmark.json") |
| 127 | + parser.add_argument("--current", type=Path, default=None) |
| 128 | + parser.add_argument("--baseline", type=Path, default=None) |
| 129 | + parser.add_argument("--threshold-pct", type=float, default=10.0) |
| 130 | + return parser.parse_args() |
| 131 | + |
| 132 | + |
| 133 | +def main() -> int: |
| 134 | + args = parse_args() |
| 135 | + if args.current and args.baseline: |
| 136 | + return compare_baseline(args.current, args.baseline, args.threshold_pct) |
| 137 | + return compare_backends(args.cpp, args.python) |
| 138 | + |
| 139 | + |
| 140 | +if __name__ == "__main__": |
| 141 | + raise SystemExit(main()) |
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