From 18f142e268603849d1756df87d35e2f94b5e4853 Mon Sep 17 00:00:00 2001
From: justheuristic <justheuristic@gmail.com>
Date: Sun, 18 Sep 2022 00:43:02 +0300
Subject: addmm_

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

diff --git a/bitsandbytes/autograd/_functions.py b/bitsandbytes/autograd/_functions.py
index 1d0002c..55bedee 100644
--- a/bitsandbytes/autograd/_functions.py
+++ b/bitsandbytes/autograd/_functions.py
@@ -318,7 +318,7 @@ class MatMul8bitLt(torch.autograd.Function):
 
         # 4. Mixed-precision decomposition matmul
         if coo_tensorA is not None and subA is not None:
-            output += torch.matmul(subA, state.subB)
+            output.addmm_(output, subA, state.subB)
 
         # 5. Save state
         ctx.state = state
-- 
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