feat: add model size check script

check_model_size.py

@@ -0,0 +1,36 @@
+#!/usr/bin/env python3
+"""Check model size and quantization status."""
+
+import torch
+from transformers import AutoModelForCausalLM
+
+model_path = "/data/models/Ornith-1.0-35B-bnb-4bit"
+
+print(f"Loading model from: {model_path}")
+model = AutoModelForCausalLM.from_pretrained(
+    model_path,
+    device_map="cpu",
+    torch_dtype=torch.float16,
+    trust_remote_code=True,
+)
+
+# Count parameters
+total_params = sum(p.numel() for p in model.parameters())
+print(f"Total parameters: {total_params / 1e9:.2f}B")
+
+# Check for quantized parameters
+bnb_params = 0
+bf16_params = 0
+for name, p in model.named_parameters():
+    if hasattr(p, 'quant_state') and p.quant_state is not None:
+        bnb_params += p.numel()
+    else:
+        bf16_params += p.numel()
+
+print(f"BnB 4-bit parameters: {bnb_params / 1e9:.2f}B")
+print(f"BF16 parameters: {bf16_params / 1e9:.2f}B")
+print(f"Estimated size: {(bnb_params * 0.5 + bf16_params * 2) / 1e9:.2f} GB")
+
+del model
+import gc
+gc.collect()