diff --git a/tritonbench/operators/gemm/operator.py b/tritonbench/operators/gemm/operator.py
index d12a2d73..38462092 100644
--- a/tritonbench/operators/gemm/operator.py
+++ b/tritonbench/operators/gemm/operator.py
@@ -40,6 +40,12 @@
 )
 
 if IS_FBCODE:
+    import hammer.oss.generative_recommenders.ops.triton.triton_addmm as hstu_triton_addmm
+
+    # without this set we can only pick a single config for AMD, Nvidia has 8
+    # with this set AMD will pick from 256 different configs (not the actual full
+    # tuning space, so some perf may be left on the table)
+    hstu_triton_addmm.ENABLE_FULL_TURNING_SPACE = True
     from hammer.ops.triton.triton_matmul import (
         triton_matmul as hstu_triton_matmul_kernel,
     )