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fix: save profile after 5 epochs #132

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Merged
vijk777 merged 1 commit into from
Jan 27, 2026
Merged

fix: save profile after 5 epochs #132

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20 changes: 12 additions & 8 deletions src/LatentEvolution/latent_stag.py
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Original file line number Diff line number Diff line change
Expand Up @@ -397,10 +397,13 @@ def handle_sigusr2(signum, frame):

# epoch loop
for epoch in range(cfg.training.epochs):
# stop profiler after first N epochs to limit file size
# stop profiler after first N epochs and save trace immediately
if epoch == profile_first_n_epochs and profiler.is_enabled():
profiler.stop()
print(f"profiler stopped after epoch {epoch} (profiled first {profile_first_n_epochs} epochs)")
trace_path = run_dir / "pipeline_trace.json"
profiler.save(trace_path)
print(f"profiler stopped after epoch {epoch}, saved to {trace_path}")
profiler.print_stats()

with profiler.event("epoch", "training", thread="main", epoch=epoch):
epoch_start = datetime.now()
Expand Down Expand Up @@ -557,12 +560,13 @@ def handle_sigusr2(signum, frame):

chunk_loader.cleanup()

# save profiler trace and stats
profiler.stop()
trace_path = run_dir / "pipeline_trace.json"
profiler.save(trace_path)
print(f"saved pipeline trace to {trace_path}")
profiler.print_stats()
# save profiler if still running (epochs < profile_first_n_epochs)
if profiler.is_enabled():
profiler.stop()
trace_path = run_dir / "pipeline_trace.json"
profiler.save(trace_path)
print(f"saved pipeline trace to {trace_path}")
profiler.print_stats()

writer.close()
print("training complete")
Expand Down