eval: load student after freeing teacher, a08 only

kaggle/notebook_finish.py

@@ -16,7 +16,7 @@ import sys
 from notebook_eval import BUNDLE, MODEL, ROOT, WEIGHTS, pull, stage_deps, stage_repo
 
 BUNDLE_REPO = "idefinity/webfm-eval"
-EVAL_VOICES = "a08,a01"
+EVAL_VOICES = "a08"
 
 
 def find_student() -> str | None:
@@ -32,6 +32,7 @@ def find_student() -> str | None:
 def run(stage: str, extra: dict | None = None) -> int:
     env = dict(os.environ, WORK_ROOT=str(ROOT), STAGE=stage, **(extra or {}))
     env["CUDA_VISIBLE_DEVICES"] = "0"
+    env["PYTORCH_CUDA_ALLOC_CONF"] = "expandable_segments:True"
     return subprocess.run([sys.executable, str(BUNDLE / "kaggle/train_voices.py")], env=env).returncode