Files
cs249r_book/labs/tests/test_training_helpers.py
2026-06-03 19:50:45 -04:00

70 lines
2.8 KiB
Python

from __future__ import annotations
from mlsysbook_labs import (
get_lab_track_variant,
get_track_profile,
resolve_mlsysim_ref,
training_frontier,
training_memory_stack,
training_plan,
training_track_profile,
)
def _profile(track_id: str):
track = get_track_profile(track_id)
variant = get_lab_track_variant("v1_08_training_gauntlet", track.track_id)
hardware = resolve_mlsysim_ref(variant.hardware_ref)
model = resolve_mlsysim_ref(variant.model_ref)
return training_track_profile(track, variant, hardware, model)
def test_training_profiles_resolve_refs_and_strategies():
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.model_params_m > 0
assert profile.strategy_options
assert profile.validation_tests
assert profile.report_artifact == "training feasibility plan"
def test_training_memory_stack_distinguishes_full_training_from_adaptation():
iphone = _profile("iphone")
oura = _profile("oura_ring")
robotaxi = _profile("robotaxi")
cloud = _profile("cloud_fleet")
assert training_memory_stack(iphone, strategy_id="full_on_device").feasible is False
assert training_memory_stack(iphone, strategy_id="lora_personalization").feasible is True
assert training_memory_stack(oura, strategy_id="full_ring_training").feasible is False
assert training_memory_stack(oura, strategy_id="threshold_calibration").feasible is True
assert training_memory_stack(robotaxi, strategy_id="local_full_retrain").feasible is False
assert training_memory_stack(robotaxi, strategy_id="fleet_retrain_local_validation").dominant_component == "activations"
assert training_memory_stack(cloud, strategy_id="fp32_adam_full").feasible is False
assert training_memory_stack(cloud, strategy_id="mixed_checkpointed").feasible is True
def test_training_frontier_records_batch_boundary():
profile = _profile("cloud_fleet")
frontier = training_frontier(profile, strategy_id="mixed_checkpointed")
assert frontier.points
assert frontier.max_feasible_batch is not None
assert frontier.first_infeasible_batch is not None
assert frontier.max_feasible_batch < frontier.first_infeasible_batch
def test_training_plan_names_location_validation_and_handoff():
profile = _profile("robotaxi")
plan = training_plan(profile, strategy_id="fleet_retrain_local_validation")
assert plan.selected_label == "Fleet retraining + local validation"
assert plan.feasible is True
assert "fleet" in plan.training_location.lower()
assert "vehicle" in plan.validation_location.lower()
assert plan.deployment_handoff
assert plan.rejected_alternatives