mask expansion

2025-01-22 21:27:25 -05:00
parent 0dd18a3681
commit bb9bea3110
1 changed files with 2 additions and 2 deletions
--- a/src/axolotl/monkeypatch/utils.py
+++ b/src/axolotl/monkeypatch/utils.py
@@ -228,8 +228,8 @@ def mask_2d_to_4d(
    bsz, src_len = mask.size()
    tgt_len = tgt_len if tgt_len is not None else src_len

-    mask = mask.unsqueeze(1).unsqueeze(2)
-    mask = mask.expand(bsz, 1, tgt_len, src_len)
+    # mask = mask.unsqueeze(1).unsqueeze(2)
+    mask = mask[:, None, None, :].expand(bsz, 1, tgt_len, src_len)

    # Create a binary mask from the original mask where zeros remain zeros and all other values are set to one
    binary_mask = torch.where(