Files
2026-07-09 05:08:16 +08:00

285 lines
9.0 KiB
Python

from __future__ import annotations
import argparse
import json
import time
from collections.abc import Callable
from pathlib import Path
from typing import Any
import numpy as np
import ferro_ta as ft
from ferro_ta.analysis.features import feature_matrix
from ferro_ta.analysis.options import iv_percentile, iv_rank, iv_zscore
from ferro_ta.data.batch import compute_many
try:
from benchmarks.metadata import benchmark_metadata
except ModuleNotFoundError: # pragma: no cover - script execution fallback
from metadata import benchmark_metadata
def _time_min(fn: Callable[[], object], rounds: int = 5) -> float:
fn()
samples: list[float] = []
for _ in range(rounds):
t0 = time.perf_counter()
fn()
samples.append(time.perf_counter() - t0)
return min(samples) * 1000.0
def _naive_correl(x: np.ndarray, y: np.ndarray, window: int) -> np.ndarray:
out = np.full(len(x), np.nan, dtype=np.float64)
for end in range(window - 1, len(x)):
x_window = x[end + 1 - window : end + 1]
y_window = y[end + 1 - window : end + 1]
mean_x = float(np.sum(x_window)) / window
mean_y = float(np.sum(y_window)) / window
cov = float(np.sum((x_window - mean_x) * (y_window - mean_y)))
std_x = float(np.sqrt(np.sum((x_window - mean_x) ** 2)))
std_y = float(np.sqrt(np.sum((y_window - mean_y) ** 2)))
denom = std_x * std_y
out[end] = cov / denom if denom != 0.0 else np.nan
return out
def _naive_beta(x: np.ndarray, y: np.ndarray, window: int) -> np.ndarray:
out = np.full(len(x), np.nan, dtype=np.float64)
for end in range(window, len(x)):
start = end - window
rx = np.array(
[
x[idx + 1] / x[idx] - 1.0 if x[idx] != 0.0 else np.nan
for idx in range(start, end)
],
dtype=np.float64,
)
ry = np.array(
[
y[idx + 1] / y[idx] - 1.0 if y[idx] != 0.0 else np.nan
for idx in range(start, end)
],
dtype=np.float64,
)
mean_x = float(np.sum(rx)) / window
mean_y = float(np.sum(ry)) / window
cov = float(np.sum((rx - mean_x) * (ry - mean_y))) / window
var_x = float(np.sum((rx - mean_x) ** 2)) / window
out[end] = cov / var_x if var_x != 0.0 else np.nan
return out
def _naive_linearreg(series: np.ndarray, timeperiod: int, x_value: float) -> np.ndarray:
out = np.full(len(series), np.nan, dtype=np.float64)
xs = np.arange(timeperiod, dtype=np.float64)
sum_x = float(np.sum(xs))
sum_x2 = float(np.sum(xs * xs))
for end in range(timeperiod - 1, len(series)):
window = series[end + 1 - timeperiod : end + 1]
sum_y = float(np.sum(window))
sum_xy = float(np.sum(xs * window))
denom = timeperiod * sum_x2 - sum_x * sum_x
slope = (timeperiod * sum_xy - sum_x * sum_y) / denom if denom != 0.0 else 0.0
intercept = (sum_y - slope * sum_x) / timeperiod
out[end] = intercept + slope * x_value
return out
def _old_iv_rank(iv: np.ndarray, window: int) -> np.ndarray:
out = np.full(len(iv), np.nan, dtype=np.float64)
for idx in range(window - 1, len(iv)):
win = iv[idx - window + 1 : idx + 1]
lower = float(np.nanmin(win))
upper = float(np.nanmax(win))
out[idx] = 0.0 if upper == lower else (iv[idx] - lower) / (upper - lower)
return out
def _old_iv_percentile(iv: np.ndarray, window: int) -> np.ndarray:
out = np.full(len(iv), np.nan, dtype=np.float64)
for idx in range(window - 1, len(iv)):
win = iv[idx - window + 1 : idx + 1]
out[idx] = float(np.sum(win <= iv[idx])) / window
return out
def _old_iv_zscore(iv: np.ndarray, window: int) -> np.ndarray:
out = np.full(len(iv), np.nan, dtype=np.float64)
for idx in range(window - 1, len(iv)):
win = iv[idx - window + 1 : idx + 1]
mean = float(np.nanmean(win))
std = float(np.nanstd(win, ddof=0))
out[idx] = np.nan if std == 0.0 else (iv[idx] - mean) / std
return out
def build_hotspot_report(
*,
price_bars: int = 20_000,
iv_bars: int = 50_000,
window: int = 252,
) -> dict[str, Any]:
rng = np.random.default_rng(2026)
close = 100 + np.cumsum(rng.normal(0, 1, price_bars)).astype(np.float64)
high = close + rng.uniform(0.1, 2.0, price_bars)
low = close - rng.uniform(0.1, 2.0, price_bars)
iv = rng.uniform(10.0, 40.0, iv_bars).astype(np.float64)
ohlcv = {
"close": close,
"high": high,
"low": low,
"volume": np.full(price_bars, 1000.0),
}
rows = [
(
"rust_kernel",
"CORREL",
lambda: ft.CORREL(high, low, timeperiod=30),
lambda: _naive_correl(high, low, 30),
),
(
"rust_kernel",
"BETA",
lambda: ft.BETA(high, low, timeperiod=5),
lambda: _naive_beta(high, low, 5),
),
(
"rust_kernel",
"LINEARREG",
lambda: ft.LINEARREG(close, timeperiod=14),
lambda: _naive_linearreg(close, 14, 13.0),
),
(
"rust_kernel",
"TSF",
lambda: ft.TSF(close, timeperiod=14),
lambda: _naive_linearreg(close, 14, 14.0),
),
(
"python_analysis",
"iv_rank",
lambda: iv_rank(iv, window),
lambda: _old_iv_rank(iv, window),
),
(
"python_analysis",
"iv_percentile",
lambda: iv_percentile(iv, window),
lambda: _old_iv_percentile(iv, window),
),
(
"python_analysis",
"iv_zscore",
lambda: iv_zscore(iv, window),
lambda: _old_iv_zscore(iv, window),
),
(
"ffi_grouping",
"compute_many_close",
lambda: compute_many(
[
("SMA", {"timeperiod": 10}),
("EMA", {"timeperiod": 12}),
("RSI", {"timeperiod": 14}),
],
close=close,
),
lambda: (
ft.SMA(close, timeperiod=10),
ft.EMA(close, timeperiod=12),
ft.RSI(close, timeperiod=14),
),
),
(
"ffi_grouping",
"feature_matrix",
lambda: feature_matrix(
ohlcv,
[
("SMA", {"timeperiod": 10}),
("ATR", {"timeperiod": 14}),
("ADX", {"timeperiod": 14}),
],
),
lambda: {
"SMA": ft.SMA(close, timeperiod=10),
"ATR": ft.ATR(high, low, close, timeperiod=14),
"ADX": ft.ADX(high, low, close, timeperiod=14),
},
),
]
results: list[dict[str, Any]] = []
for category, name, fast_fn, reference_fn in rows:
fast_ms = _time_min(fast_fn)
reference_ms = _time_min(reference_fn, rounds=1)
results.append(
{
"category": category,
"name": name,
"fast_ms": round(fast_ms, 4),
"reference_ms": round(reference_ms, 4),
"speedup_vs_reference": round(reference_ms / fast_ms, 4),
}
)
results.sort(key=lambda row: row["fast_ms"], reverse=True)
total_fast_ms = sum(float(row["fast_ms"]) for row in results) or 1.0
for row in results:
row["share_of_suite_pct"] = round(
float(row["fast_ms"]) / total_fast_ms * 100.0, 2
)
return {
"metadata": benchmark_metadata(
"runtime_hotspots",
extra={
"dataset": {
"price_bars": price_bars,
"iv_bars": iv_bars,
"window": window,
}
},
),
"results": results,
}
def main() -> int:
parser = argparse.ArgumentParser(description="Profile ferro-ta runtime hotspots.")
parser.add_argument("--price-bars", type=int, default=20_000)
parser.add_argument("--iv-bars", type=int, default=50_000)
parser.add_argument("--window", type=int, default=252)
parser.add_argument("--json", dest="json_path")
args = parser.parse_args()
payload = build_hotspot_report(
price_bars=args.price_bars,
iv_bars=args.iv_bars,
window=args.window,
)
print(
f"{'Category':<16} {'Case':<18} {'Fast (ms)':>10} {'Ref (ms)':>10} {'Speedup':>10}"
)
print("-" * 70)
for row in payload["results"]:
print(
f"{row['category']:<16} {row['name']:<18} {row['fast_ms']:10.2f} "
f"{row['reference_ms']:10.2f} {row['speedup_vs_reference']:10.2f}x"
)
if args.json_path:
path = Path(args.json_path)
path.write_text(json.dumps(payload, indent=2), encoding="utf-8")
print(f"\nWrote JSON results to {path}")
return 0
if __name__ == "__main__":
raise SystemExit(main())