Files
cs249r_book/labs/tests/test_framework_helpers.py
2026-06-03 19:41:58 -04:00

72 lines
2.7 KiB
Python

from __future__ import annotations
from mlsysbook_labs import (
compile_break_even,
dispatch_stack,
framework_track_profile,
get_lab_track_variant,
get_track_profile,
resolve_mlsysim_ref,
runtime_decision,
)
def _profile(track_id: str):
track = get_track_profile(track_id)
variant = get_lab_track_variant("v1_07_framework_tax", track.track_id)
hardware = resolve_mlsysim_ref(variant.hardware_ref)
model = resolve_mlsysim_ref(variant.model_ref)
return framework_track_profile(track, variant, hardware, model)
def test_framework_profiles_resolve_refs_and_runtime_options():
for track_id in ("iphone", "oura_ring", "robotaxi", "cloud_fleet"):
profile = _profile(track_id)
assert profile.hardware_ref.startswith("Hardware.")
assert profile.model_ref.startswith("Models.")
assert profile.runtime_options
assert profile.latency_budget_ms > 0
assert profile.validation_tests
assert profile.report_artifact == "runtime deployment recommendation"
def test_dispatch_stack_reports_track_specific_runtime_failures():
iphone = _profile("iphone")
oura = _profile("oura_ring")
robotaxi = _profile("robotaxi")
cloud = _profile("cloud_fleet")
assert dispatch_stack(iphone, runtime_id="coreml_delegate").feasible is True
assert dispatch_stack(iphone, runtime_id="pytorch_mobile").feasible is False
assert dispatch_stack(oura, runtime_id="generated_c_kernels").feasible is True
assert dispatch_stack(oura, runtime_id="dynamic_tflite").feasible is False
assert dispatch_stack(robotaxi, runtime_id="tensorrt_static").feasible is True
assert dispatch_stack(robotaxi, runtime_id="eager_pytorch").feasible is False
assert dispatch_stack(cloud, runtime_id="cuda_graph_tensorrt").feasible is True
assert dispatch_stack(cloud, runtime_id="eager_pytorch").dominant_overhead == "runtime dispatch"
def test_compile_break_even_uses_reuse_count():
profile = _profile("cloud_fleet")
result = compile_break_even(
profile,
runtime_id="cuda_graph_tensorrt",
reuse_count=profile.default_reuse_count,
)
assert result.break_even_inferences is not None
assert result.per_inference_savings_ms > 0
assert result.pays_back is True
def test_runtime_decision_returns_unsupported_op_warning():
profile = _profile("robotaxi")
decision = runtime_decision(profile, runtime_id="tensorrt_static")
assert decision.selected_label == "TensorRT static engine"
assert decision.feasible is True
assert decision.rejected_alternatives
assert "RoboTaxi" in decision.memo_summary
assert "unsupported" in decision.unsupported_op_warning