Created
November 14, 2025 19:00
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| import jax | |
| from jax import export | |
| import jax.numpy as jnp | |
| import pickle | |
| import time | |
| import statistics | |
| with open("/home/xiowei_google_com/old_exports.pkl", "rb") as f: | |
| data = pickle.load(f) | |
| exported = export.deserialize(data) | |
| with open("/home/xiowei_google_com/old_weights.pkl", "rb") as f: | |
| weights = pickle.load(f) | |
| positions=jnp.arange(16) | |
| key = jax.random.key(0) | |
| hidden_states=jax.random.normal(key, (16, 1536), dtype=jnp.bfloat16) | |
| # Time it | |
| all_time=[] | |
| for _ in range(20): | |
| start = time.perf_counter_ns() | |
| exported.call(weights, (positions, hidden_states)).block_until_ready() | |
| end = time.perf_counter_ns() | |
| all_time.append(end-start) | |
| print("Running old jax finished in [ns] ", statistics.mean(all_time[5:])) # 4548131.9 | |
| # Profile it | |
| # profile_path='/home/xiowei_google_com/myprofiles' | |
| # for i in range(20): | |
| # if i == 5: | |
| # jax.profiler.start_trace(profile_path) | |
| # exported.call(weights, (positions, hidden_states)).block_until_ready() | |
| # | |
| # jax.profiler.stop_trace() |
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