From 4da2227fcbc3803d680dff113403aecac1827bc3 Mon Sep 17 00:00:00 2001
From: justheuristic <justheuristic@gmail.com>
Date: Sun, 18 Sep 2022 01:03:21 +0300
Subject: debug

---
 bitsandbytes/autograd/_functions.py | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'bitsandbytes')

diff --git a/bitsandbytes/autograd/_functions.py b/bitsandbytes/autograd/_functions.py
index 9928fbd..407f14b 100644
--- a/bitsandbytes/autograd/_functions.py
+++ b/bitsandbytes/autograd/_functions.py
@@ -370,6 +370,8 @@ class MatMul8bitLt(torch.autograd.Function):
             if state.threshold > 0.0 and subA is not None:
                 grad_B[:, idx] += torch.matmul(grad_output.t(), subA)
 
+            raise NotImplementedError("!!")
+
         if req_gradA:
             if state.CBt is not None:
                 C32grad, Sgrad = F.transform(Cgrad, "col32")
-- 
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