openpilot/tinygrad_repo/test/external/fuzz_shapetracker_size.py
Vehicle Researcher c5d5c5d1f3 openpilot v0.10.1 release
date: 2025-10-24T00:30:59
master commit: 405631baf9685e171a0dd19547cb763f1b163d18
2025-10-24 00:31:03 -07:00

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Python

from tinygrad.shape.shapetracker import ShapeTracker
from test.external.fuzz_shapetracker import shapetracker_ops as st_ops
from test.unit.test_shapetracker_math import MultiShapeTracker
from tinygrad.helpers import getenv
import random
random.seed(getenv("SEED", 42))
for i in range(getenv("CNT", 2000)):
if getenv("DEBUG", 0) >= 1: print()
N = random.randint(1, 10000)
mst = MultiShapeTracker([ShapeTracker.from_shape((N,))]) # st_ops don't mutate regular shapetrackers for some reason
for j in range(20): random.choice(st_ops)(mst)
assert mst.sts[0].real_size() <= N, f"{N=}, real_size={mst.sts[0].real_size()}, st={mst.sts[0]}"