lora finetune (need to be refactored)

finetune/get_layer_and_embd.py

@@ -0,0 +1,41 @@
+import torch
+import sys
+import time
+import os
+import threading
+import gc
+
+
+def file_cleaner(file):
+    last_pos = 0
+
+    def cleaner():
+        nonlocal last_pos
+        while True:
+            time.sleep(0.1)
+            pos = file.tell()
+            if pos > last_pos:
+                os.posix_fadvise(
+                    file.fileno(), last_pos, pos - last_pos, os.POSIX_FADV_DONTNEED
+                )
+            last_pos = pos
+
+    return cleaner
+
+
+model_file = open(sys.argv[1], "rb")
+cleaner = file_cleaner(model_file)
+cleaner_thread = threading.Thread(target=cleaner, daemon=True)
+cleaner_thread.start()
+
+w = torch.load(model_file, map_location="cpu")
+gc.collect()
+
+n_embd = w["emb.weight"].shape[1]
+n_layer = 0
+keys = list(w.keys())
+for x in keys:
+    layer_id = int(x.split(".")[1]) if ("blocks." in x) else 0
+    n_layer = max(n_layer, layer_id + 1)
+
+print(f"--n_layer {n_layer} --n_embd {n_embd}", end="")