Benchmarking

torchprime/experimental/benchmark/hf_model.py

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+from typing import Any
+
+import torch
+from transformers.models.llama import modeling_llama
+from transformers.models.qwen3 import modeling_qwen3
+
+
+def get_llama3_model(torch_dtype: torch.dtype):
+  """Returns the Llama3.2 1B model."""
+  config = modeling_llama.LlamaConfig(
+      attention_bias=False,
+      attention_dropout=0.0,
+      bos_token_id=128000,
+      eos_token_id=128001,
+      head_dim=64,
+      hidden_act="silu",
+      hidden_size=2048,
+      initializer_range=0.02,
+      intermediate_size=8192,
+      max_position_embeddings=131072,
+      mlp_bias=False,
+      num_attention_heads=32,
+      num_hidden_layers=16,
+      num_key_value_heads=8,
+      rms_norm_eps=1e-05,
+      rope_scaling={
+          "factor": 32.0,
+          "high_freq_factor": 4.0,
+          "low_freq_factor": 1.0,
+          "original_max_position_embeddings": 8192,
+          "rope_type": "llama3",
+      },
+      rope_theta=500000.0,
+      tie_word_embeddings=True,
+      use_cache=True,
+      vocab_size=128256,
+      _attn_implementation="eager",
+  )
+  model = modeling_llama.LlamaForCausalLM(config).to(torch_dtype)
+  return model
+
+
+def get_qwen3_model(torch_dtype: torch.dtype):
+  """Returns the Qwen3 1.7B model."""
+  config = modeling_qwen3.Qwen3Config(
+      attention_bias=False,
+      attention_dropout=0.0,
+      bos_token_id=151643,
+      eos_token_id=151645,
+      head_dim=128,
+      hidden_act="silu",
+      hidden_size=2048,
+      initializer_range=0.02,
+      intermediate_size=6144,
+      max_position_embeddings=40960,
+      max_window_layers=28,
+      num_attention_heads=16,
+      num_hidden_layers=28,
+      num_key_value_heads=8,
+      rms_norm_eps=1e-06,
+      rope_scaling=None,
+      rope_theta=1000000,
+      sliding_window=None,
+      tie_word_embeddings=True,
+      use_cache=True,
+      use_sliding_window=False,
+      vocab_size=151936,
+      _attn_implementation="eager",
+  )
+  model = modeling_qwen3.Qwen3ForCausalLM(config).to(torch_dtype)
+  return model
+
+
+def get_model(model_name: str, dtype: torch.dtype) -> Any:
+  match model_name:
+    case "llama3.2-1B":
+      return get_llama3_model(dtype)
+    case "qwen3-1.7B":
+      return get_qwen3_model(dtype)
+    case _:
+      raise ValueError(f"Unsupported model: {model_name}")

torchprime/experimental/benchmark/hf_models_forward.py

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+import argparse
+import os
+import time
+from typing import Any
+
+import numpy as np
+import torch
+import torch_xla
+
+from torchprime.experimental.benchmark.hf_model import get_model
+
+
+def main(args):
+  # --- Configuration ---
+  dtype_map = {"bfloat16": torch.bfloat16, "float32": torch.float32}
+  torch_dtype = dtype_map[args.dtype]
+
+  # It's good practice to define the device first.
+  device = torch_xla.device()
+
+  # Create the model on CPU first
+  model_cpu = get_model(args.model_name, torch_dtype)
+  config = model_cpu.config
+  model_cpu.eval()  # Set to evaluation mode
+
+  # Move model to the XLA device.
+  model_tpu = model_cpu.to(device)
+
+  # Create dummy input_ids and move to the XLA device.
+  input_ids = torch.randint(
+      0, config.vocab_size, (args.batch_size, args.seq_len), dtype=torch.long
+  )
+  # Move inputs to the XLA device as well.
+  input_ids = input_ids.to(device)
+
+  # Preheat the cache.
+  print("Preheating...")
+  preheat_start_time = time.perf_counter()
+  with torch.no_grad():
+    _ = model_tpu(input_ids).logits
+  torch_xla.sync()
+  preheat_end_time = time.perf_counter()
+  preheat_time = preheat_end_time - preheat_start_time
+  print(f"PREHEAT WALL TIME: {preheat_time*1000:.4f} ms")
+
+  # Initial run (warm-up) to trigger XLA compilation
+  print("Warming up...")
+  warmup_start_time = time.perf_counter()
+  with torch.no_grad():
+    _ = model_tpu(input_ids).logits
+  torch_xla.sync()
+  warmup_end_time = time.perf_counter()
+  warmup_time = warmup_end_time - warmup_start_time
+
+  # Subsequent runs for measurement
+  print(f"Starting benchmark for {args.num_runs} runs...")
+  times = []
+  for i in range(args.num_runs):
+    start_time = time.perf_counter()
+    with torch.no_grad():
+      # The model forward pass is intentionally not assigned to a variable
+      # to measure only the execution time.
+      model_tpu(input_ids)
+
+    torch_xla.sync()
+    end_time = time.perf_counter()
+    times.append(end_time - start_time)
+    print(f"Run {i+1}/{args.num_runs}: {(end_time - start_time) * 1000:.2f} ms")
+
+  # Print final performance results
+  print("\n--- Benchmark Results (Lazy Mode) ---")
+  print(f"Model: {args.model_name}, DType: {args.dtype}")
+  print(f"Batch Size: {args.batch_size}, Sequence Length: {args.seq_len}")
+  print(f"Preheat time:    {preheat_time * 1000:.2f} ms")
+  print(f"Warm-up time:    {warmup_time * 1000:.2f} ms (includes compilation)")
+  print(f"Number of runs: {len(times)}")
+  print(f"Average latency: {np.mean(times) * 1000:.2f} ms")
+  print(f"Median latency:  {np.median(times) * 1000:.2f} ms")
+  print(f"P90 latency:     {np.percentile(times, 90) * 1000:.2f} ms")
+  print(f"Min latency:     {np.min(times) * 1000:.2f} ms")
+  print(f"Max latency:     {np.max(times) * 1000:.2f} ms")
+
+  # Add this line to wait for the TPU to finish and ensure a clean exit
+  torch_xla.sync()
+  print("Script finished and exited cleanly.")
+  os._exit(0)  # <-- Use os._exit() instead of sys.exit()
+
+
+if __name__ == "__main__":
+  parser = argparse.ArgumentParser(description="Benchmark HF models on XLA (Lazy Mode).")
+  parser.add_argument(
+      "--model_name",
+      type=str,
+      default="llama3.2-1B",
+      choices=["llama3.2-1B", "qwen3-1.7B"],
+      help="Model to benchmark (must match a config file name).",
+  )
+  parser.add_argument(
+      "--dtype",
+      type=str,
+      default="bfloat16",
+      choices=["bfloat16", "float32"],
+      help="Data type for the model.",
+  )
+  parser.add_argument("--batch_size", type=int, default=1, help="Batch size.")
+  parser.add_argument("--seq_len", type=int, default=128, help="Sequence length.")
+  parser.add_argument("--num_runs", type=int, default=10, help="Number of benchmark runs.")
+  main(parser.parse_args())

torchprime/experimental/benchmark/hf_models_forward_eager.py

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+import argparse
+import os
+import time
+from typing import Any
+
+import numpy as np
+import torch
+import torch_xla
+
+from torchprime.experimental.benchmark.hf_model import get_model
+
+
+def main(args):
+  # --- Configuration ---
+  print("Running in PyTorch/XLA experimental eager mode.")
+  torch_xla.experimental.eager_mode(True)
+
+  dtype_map = {"bfloat16": torch.bfloat16, "float32": torch.float32}
+  torch_dtype = dtype_map[args.dtype]
+
+  # It's good practice to define the device first.
+  device = torch_xla.device()
+
+  # Create the model on CPU first
+  model_cpu = get_model(args.model_name, torch_dtype)
+  config = model_cpu.config
+  model_cpu.eval()  # Set to evaluation mode
+
+  # Move model to the XLA device.
+  model_tpu = model_cpu.to(device)
+
+  # Create dummy input_ids and move to the XLA device.
+  input_ids = torch.randint(
+      0, config.vocab_size, (args.batch_size, args.seq_len), dtype=torch.long
+  )
+  # Move inputs to the XLA device as well.
+  input_ids = input_ids.to(device)
+
+  # Preheat the cache.
+  print("Preheating...")
+  preheat_start_time = time.perf_counter()
+  with torch.no_grad():
+    _ = model_tpu(input_ids).logits
+  preheat_end_time = time.perf_counter()
+  preheat_time = preheat_end_time - preheat_start_time
+  print(f"PREHEAT WALL TIME: {preheat_time*1000:.4f} ms")
+
+  # Initial run (warm-up)
+  print("Warming up...")
+  warmup_start_time = time.perf_counter()
+  with torch.no_grad():
+    _ = model_tpu(input_ids).logits
+  warmup_end_time = time.perf_counter()
+  warmup_time = warmup_end_time - warmup_start_time
+
+  # Subsequent runs for measurement
+  print(f"Starting benchmark for {args.num_runs} runs...")
+  times = []
+  for i in range(args.num_runs):
+    start_time = time.perf_counter()
+    with torch.no_grad():
+      # The model forward pass is intentionally not assigned to a variable
+      # to measure only the execution time.
+      model_tpu(input_ids)
+
+    # Do we need this???
+    torch_xla.sync()
+
+    end_time = time.perf_counter()
+    times.append(end_time - start_time)
+    print(f"Run {i+1}/{args.num_runs}: {(end_time - start_time) * 1000:.2f} ms")
+
+  # Print final performance results
+  print("\n--- Benchmark Results (Eager Mode) ---")
+  print(f"Model: {args.model_name}, DType: {args.dtype}")
+  print(f"Batch Size: {args.batch_size}, Sequence Length: {args.seq_len}")
+  print(f"Preheat time:    {preheat_time * 1000:.2f} ms")
+  print(f"Warm-up time:    {warmup_time * 1000:.2f} ms")
+  print(f"Number of runs: {len(times)}")
+  print(f"Average latency: {np.mean(times) * 1000:.2f} ms")
+  print(f"Median latency:  {np.median(times) * 1000:.2f} ms")
+  print(f"P90 latency:     {np.percentile(times, 90) * 1000:.2f} ms")
+  print(f"Min latency:     {np.min(times) * 1000:.2f} ms")
+  print(f"Max latency:     {np.max(times) * 1000:.2f} ms")
+
+  print("Script finished and exited cleanly.")
+  os._exit(0)  # <-- Use os._exit() instead of sys.exit()
+
+
+if __name__ == "__main__":
+  parser = argparse.ArgumentParser(description="Benchmark HF models on XLA (Eager Mode).")
+  parser.add_argument(
+      "--model_name",
+      type=str,
+      default="llama3.2-1B",
+      choices=["llama3.2-1B", "qwen3-1.7B"],
+      help="Model to benchmark (must match a config file name).",
+  )
+  parser.add_argument(
+      "--dtype",
+      type=str,
+      default="bfloat16",
+      choices=["bfloat16", "float32"],
+      help="Data type for the model.",
+  )
+  parser.add_argument("--batch_size", type=int, default=1, help="Batch size.")
+  parser.add_argument("--seq_len", type=int, default=128, help="Sequence length.")
+  parser.add_argument("--num_runs", type=int, default=10, help="Number of benchmark runs.")
+  main(parser.parse_args())