From 7906dc4c9a6d741699a561e03956f1f7ee4b8abc Mon Sep 17 00:00:00 2001
From: justheuristic <justheuristic@gmail.com>
Date: Sun, 18 Sep 2022 00:57:26 +0300
Subject: debugpritn

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

diff --git a/bitsandbytes/autograd/_functions.py b/bitsandbytes/autograd/_functions.py
index daf9ba0..88a33a5 100644
--- a/bitsandbytes/autograd/_functions.py
+++ b/bitsandbytes/autograd/_functions.py
@@ -368,6 +368,7 @@ class MatMul8bitLt(torch.autograd.Function):
             gradB32, SgradB32 = F.igemmlt(C32grad, CxAt, Sgrad, SAt)
             grad_B = F.mm_dequant(gradB32, SgradB32, SCgradt, SCAt).to(ctx.dtype_B)
             if state.threshold > 0.0 and subA is not None:
+                assert False, idx
                 grad_B[:, idx] += torch.matmul(grad_output.t(), subA)
 
         if req_gradA:
-- 
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