From e4086a2758c171993f47b46cf0980030afe6db4a Mon Sep 17 00:00:00 2001
From: justheuristic <justheuristic@gmail.com>
Date: Sun, 18 Sep 2022 01:24:57 +0300
Subject: cast device

---
 tests/test_modules.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/test_modules.py b/tests/test_modules.py
index 8e009b4..049858c 100644
--- a/tests/test_modules.py
+++ b/tests/test_modules.py
@@ -567,7 +567,7 @@ def test_linear8bitlt_no_fp16_weights(threshold, memory_efficient_backward):
 
         mlp.zero_grad()
         (o1 * grad_proj).sum().backward()
-        grad_ref = grad_proj.flatten(2) @ w2 @ w1
+        grad_ref = grad_proj.flatten(2) @ w2.half() @ w1.half()
         assert torch.allclose(b1.grad, grad_ref)
 
 
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