GPU smoke wrapper

smoke_gpu.py

@@ -0,0 +1,43 @@
+"""GPU smoke-job wrapper: pulls the code from the Hub repo, runs a short
+train.py (with trackio + checkpoint upload) and an evaluate.py sweep, and
+prints the results. Run via `uv` with deps torch, numpy, huggingface_hub,
+trackio."""
+
+import json
+import os
+import subprocess
+import sys
+
+REPO = "eac123/ptr-recurrent-depth"
+SPACE_ID = os.environ["TRACKIO_SPACE_ID"]
+
+
+def sh(cmd):
+    print("+", " ".join(cmd), flush=True)
+    subprocess.run(cmd, check=True)
+
+
+from huggingface_hub import snapshot_download
+
+snapshot_download(repo_id=REPO, repo_type="model",
+                  allow_patterns=["*.py", "ptr/*.py"], local_dir=".")
+sys.path.insert(0, os.getcwd())
+
+sh([sys.executable, "train.py", "--arch", "rec", "--depth", "1",
+    "--iters", "4", "--seed", "0", "--run-name", "smoke-t4", "--steps", "300",
+    "--eval-every", "150", "--eval-n", "200", "--out-dir", "out",
+    "--hub-repo", REPO, "--space-id", SPACE_ID])
+sh([sys.executable, "evaluate.py", "--ckpt", "out/smoke-t4.pt",
+    "--out-dir", "results", "--n-per-cell", "50"])
+
+with open("results/smoke-t4_eval.json") as fh:
+    ev = json.load(fh)
+print("SMOKE OK. acc@k=8:", ev["acc_vs_k"]["8"], "acc@k=64:",
+      ev["acc_vs_k"]["64"], "lookup:", ev["lookup_reference_acc"])
+try:
+    from huggingface_hub import HfApi
+    HfApi().upload_file(path_or_fileobj="results/smoke-t4_eval.json",
+                        path_in_repo="results/smoke-t4_eval.json",
+                        repo_id=REPO, repo_type="model")
+except Exception as e:  # non-fatal for the smoke test
+    print("eval-json upload failed (non-fatal):", e)