Update run.py

run.py

@@ -13,59 +13,66 @@
 # limitations under the License.
 
 import logging
-
 from model import LanguageModelConfig, TransformerConfig, QuantizedWeight8bit as QW8Bit
 from runners import InferenceRunner, ModelRunner, sample_from_model
 
-
+# Path to the checkpoint directory
 CKPT_PATH = "./checkpoints/"
 
-
 def main():
+    # Initialize model configuration
     grok_1_model = LanguageModelConfig(
-        vocab_size=128 * 1024,
+        vocab_size=128 * 1024,  # 128K vocabulary size
         pad_token=0,
         eos_token=2,
-        sequence_len=8192,
+        sequence_len=8192,  # Sequence length
         embedding_init_scale=1.0,
         output_multiplier_scale=0.5773502691896257,
         embedding_multiplier_scale=78.38367176906169,
         model=TransformerConfig(
-            emb_size=48 * 128,
+            emb_size=48 * 128,  # Embedding size
             widening_factor=8,
             key_size=128,
-            num_q_heads=48,
-            num_kv_heads=8,
-            num_layers=64,
+            num_q_heads=48,  # Query heads
+            num_kv_heads=8,  # Key/Value heads
+            num_layers=64,  # Number of layers
             attn_output_multiplier=0.08838834764831845,
             shard_activations=True,
-            # MoE.
-            num_experts=8,
-            num_selected_experts=2,
-            # Activation sharding.
+            num_experts=8,  # Mixture of Experts (MoE)
+            num_selected_experts=2,  # Selected experts for MoE
             data_axis="data",
             model_axis="model",
         ),
     )
-    inference_runner = InferenceRunner(
-        pad_sizes=(1024,),
-        runner=ModelRunner(
-            model=grok_1_model,
-            bs_per_device=0.125,
-            checkpoint_path=CKPT_PATH,
-        ),
-        name="local",
-        load=CKPT_PATH,
-        tokenizer_path="./tokenizer.model",
-        local_mesh_config=(1, 8),
-        between_hosts_config=(1, 1),
-    )
-    inference_runner.initialize()
-    gen = inference_runner.run()
 
-    inp = "The answer to life the universe and everything is of course"
-    print(f"Output for prompt: {inp}", sample_from_model(gen, inp, max_len=100, temperature=0.01))
+    try:
+        # Initialize the inference runner with the model and configurations
+        inference_runner = InferenceRunner(
+            pad_sizes=(1024,),
+            runner=ModelRunner(
+                model=grok_1_model,
+                bs_per_device=0.125,  # Batch size per device
+                checkpoint_path=CKPT_PATH,
+            ),
+            name="local",
+            load=CKPT_PATH,
+            tokenizer_path="./tokenizer.model",
+            local_mesh_config=(1, 8),  # Configuration for the local execution mesh
+            between_hosts_config=(1, 1),  # Configuration for between-host execution
+        )
+        inference_runner.initialize()
+    except Exception as e:
+        logging.error(f"Failed to initialize the inference runner: {e}")
+        return
+
+    try:
+        gen = inference_runner.run()
 
+        inp = "The answer to life the universe and everything is of course"
+        output = sample_from_model(gen, inp, max_len=100, temperature=0.01)
+        print(f"Output for prompt: '{inp}':\n{output}")
+    except Exception as e:
+        logging.error(f"Failed during model inference: {e}")
 
 if __name__ == "__main__":
     logging.basicConfig(level=logging.INFO)