add comment pi0 pi05 tests, add image features to pi0 pi05 hub tests

This commit is contained in:
Pepijn
2025-09-17 20:04:51 +02:00
parent 6467ce10d4
commit 02f52807e6
3 changed files with 50 additions and 213 deletions
+29 -202
View File
@@ -45,208 +45,6 @@ def create_dummy_stats(config):
return dummy_stats
def test_pi0_hub_loading():
"""Test loading PI0 model from HuggingFace hub."""
_test_hub_loading(model_id="pepijn223/pi0_base_fp32", model_name="PI0")
def test_pi05_hub_loading():
"""Test loading PI0.5 model from HuggingFace hub."""
_test_hub_loading(model_id="pepijn223/pi05_base_fp32", model_name="PI0.5")
def _test_hub_loading(model_id, model_name):
"""Internal helper function for testing hub loading.
Args:
model_id: HuggingFace model ID to load
model_name: Display name for the model (e.g., "PI0", "PI0.5")
"""
print("=" * 60)
print(f"{model_name} OpenPI HuggingFace Hub Loading Test")
print("=" * 60)
print(f"\nLoading model from: {model_id}")
print("-" * 60)
try:
# Load the model from HuggingFace hub with strict mode
if model_name == "PI0.5":
policy = PI05OpenPIPolicy.from_pretrained(
model_id,
strict=True, # Ensure all weights are loaded correctly,
)
else:
policy = PI0OpenPIPolicy.from_pretrained(
model_id,
strict=True, # Ensure all weights are loaded correctly,
)
print("✓ Model loaded successfully from HuggingFace hub")
# Inject dummy stats since they aren't loaded from the hub
print("Creating dummy dataset stats for testing...")
device = next(policy.parameters()).device
dummy_stats = create_dummy_stats(policy.config)
# Move dummy stats to device
for key, stats in dummy_stats.items():
dummy_stats[key] = {
"mean": stats["mean"].to(device),
"std": stats["std"].to(device),
}
# Initialize normalization layers with dummy stats if they have NaN/inf values
print("✓ Dummy stats created and moved to device")
# Get model info
print("\nModel configuration:")
print(f" - Model type: {model_name}")
print(f" - PaliGemma variant: {policy.config.paligemma_variant}")
print(f" - Action expert variant: {policy.config.action_expert_variant}")
print(f" - Action dimension: {policy.config.max_action_dim}")
print(f" - State dimension: {policy.config.max_state_dim}")
print(f" - Chunk_size: {policy.config.chunk_size}")
print(f" - Tokenizer max length: {policy.config.tokenizer_max_length}")
if model_name == "PI0.5":
print(f" - discrete_state_input: {policy.config.discrete_state_input}")
print(f" - Device: {device}")
print(f" - Dtype: {next(policy.parameters()).dtype}")
# Check model-specific features
if model_name == "PI0.5":
print("\nPI0.5 specific features:")
print(f" - Has time_mlp layers: {hasattr(policy.model, 'time_mlp_in')}")
print(f" - Has state_proj: {hasattr(policy.model, 'state_proj')} (should be False)")
print(f" - Uses AdaRMS: {policy.model.paligemma_with_expert.gemma_expert.config.use_adarms}")
# Verify PI0.5 architecture
assert hasattr(policy.model, "time_mlp_in"), "PI0.5 should have time_mlp_in"
assert hasattr(policy.model, "time_mlp_out"), "PI0.5 should have time_mlp_out"
assert not hasattr(policy.model, "state_proj"), "PI0.5 should not have state_proj"
assert not hasattr(policy.model, "action_time_mlp_in"), "PI0.5 should not have action_time_mlp_in"
print(" ✓ PI0.5 architecture verified")
else:
print("\nPI0 specific features:")
print(f" - Has action_time_mlp layers: {hasattr(policy.model, 'action_time_mlp_in')}")
print(f" - Has state_proj: {hasattr(policy.model, 'state_proj')} (should be True)")
print(
f" - Uses AdaRMS: {policy.model.paligemma_with_expert.gemma_expert.config.use_adarms} (should be False)"
)
# Verify PI0 architecture
assert hasattr(policy.model, "action_time_mlp_in"), "PI0 should have action_time_mlp_in"
assert hasattr(policy.model, "action_time_mlp_out"), "PI0 should have action_time_mlp_out"
assert hasattr(policy.model, "state_proj"), "PI0 should have state_proj"
assert not hasattr(policy.model, "time_mlp_in"), "PI0 should not have time_mlp_in"
print(" ✓ PI0 architecture verified")
except Exception as e:
print(f"✗ Failed to load model: {e}")
raise
print("\n" + "-" * 60)
print("Testing forward pass with loaded model...")
# Create dummy batch for testing
batch_size = 1
# Check if normalization layers have invalid stats and replace with dummy stats if needed
try:
# Check if the normalize_inputs has valid stats
if hasattr(policy.normalize_inputs, "stats"):
obs_state_mean = policy.normalize_inputs.stats.get("observation.state", {}).get("mean")
if obs_state_mean is not None and (
torch.isinf(obs_state_mean).any() or torch.isnan(obs_state_mean).any()
):
print("⚠️ Found invalid normalization stats, replacing with dummy stats...")
# Replace with dummy stats
from lerobot.policies.normalize import Normalize, Unnormalize
policy.normalize_inputs = Normalize(
policy.config.input_features, policy.config.normalization_mapping, dummy_stats
)
policy.normalize_targets = Normalize(
policy.config.output_features, policy.config.normalization_mapping, dummy_stats
)
policy.unnormalize_outputs = Unnormalize(
policy.config.output_features, policy.config.normalization_mapping, dummy_stats
)
print("✓ Normalization layers updated with dummy stats")
except Exception as e:
print(f"⚠️ Error checking normalization stats, creating new ones: {e}")
# Fallback: create new normalization layers
from lerobot.policies.normalize import Normalize, Unnormalize
policy.normalize_inputs = Normalize(
policy.config.input_features, policy.config.normalization_mapping, dummy_stats
)
policy.normalize_targets = Normalize(
policy.config.output_features, policy.config.normalization_mapping, dummy_stats
)
policy.unnormalize_outputs = Unnormalize(
policy.config.output_features, policy.config.normalization_mapping, dummy_stats
)
# Create test batch
batch = {
"observation.state": torch.randn(
batch_size, policy.config.max_state_dim, dtype=torch.float32, device=device
),
"action": torch.randn(
batch_size,
policy.config.chunk_size,
policy.config.max_action_dim,
dtype=torch.float32,
device=device,
),
"task": ["Pick up the object"] * batch_size,
}
# Add images if they're in the config
for key in policy.config.image_features.keys():
batch[key] = torch.rand(batch_size, 3, 224, 224, dtype=torch.float32, device=device)
try:
# Test forward pass
policy.train() # Set to training mode for forward pass with loss
loss, loss_dict = policy.forward(batch)
print("✓ Forward pass successful")
print(f" - Loss: {loss_dict['loss']:.4f}")
print(f" - Loss shape: {loss.shape if hasattr(loss, 'shape') else 'scalar'}")
except Exception as e:
print(f"✗ Forward pass failed: {e}")
import traceback
traceback.print_exc()
raise
print("\n" + "-" * 60)
print("Testing inference with loaded model...")
try:
# Test action prediction
policy.eval() # Set to evaluation mode for inference
with torch.no_grad():
action = policy.select_action(batch)
print("✓ Action prediction successful")
print(f" - Action shape: {action.shape}")
print(f" - Action range: [{action.min().item():.3f}, {action.max().item():.3f}]")
except Exception as e:
print(f"✗ Action prediction failed: {e}")
import traceback
traceback.print_exc()
raise
print("\n" + "=" * 60)
print(f"✓ All tests passed for {model_name}!")
print("=" * 60)
# Test data for all 6 base models
MODEL_TEST_PARAMS = [
# PI0 models
@@ -281,6 +79,35 @@ def test_all_base_models_hub_loading(model_id, model_type, policy_class):
print(f"✗ Failed to load model {model_id}: {e}")
raise
# Set up input_features and output_features in the config (not set by from_pretrained)
from lerobot.configs.types import FeatureType, PolicyFeature
policy.config.input_features = {
"observation.state": PolicyFeature(
type=FeatureType.STATE,
shape=(policy.config.max_state_dim,),
),
"observation.images.base_0_rgb": PolicyFeature(
type=FeatureType.VISUAL,
shape=(3, 224, 224),
),
"observation.images.left_wrist_0_rgb": PolicyFeature(
type=FeatureType.VISUAL,
shape=(3, 224, 224),
),
"observation.images.right_wrist_0_rgb": PolicyFeature(
type=FeatureType.VISUAL,
shape=(3, 224, 224),
),
}
policy.config.output_features = {
"action": PolicyFeature(
type=FeatureType.ACTION,
shape=(policy.config.max_action_dim,),
),
}
# Get model info
device = next(policy.parameters()).device
print("\nModel configuration:")