From 070a13b14e4edb60019df8d1f8dc0f9e073ad199 Mon Sep 17 00:00:00 2001
From: Jing Fang <fajin@microsoft.com>
Date: Wed, 17 Jul 2024 11:37:40 -0700
Subject: [PATCH] not creating thread pool

---
 .../qdq_transformer/selectors_actions/qdq_actions.cc       | 7 +------
 .../qdq_transformer/selectors_actions/qdq_actions.h        | 1 -
 2 files changed, 1 insertion(+), 7 deletions(-)

diff --git a/onnxruntime/core/optimizer/qdq_transformer/selectors_actions/qdq_actions.cc b/onnxruntime/core/optimizer/qdq_transformer/selectors_actions/qdq_actions.cc
index ba69c85598d3d..32f2629ce15e9 100644
--- a/onnxruntime/core/optimizer/qdq_transformer/selectors_actions/qdq_actions.cc
+++ b/onnxruntime/core/optimizer/qdq_transformer/selectors_actions/qdq_actions.cc
@@ -288,12 +288,7 @@ DQMatMulToMatMulNBitsAction::DQMatMulToMatMulNBitsAction(int64_t accuracy_level,
       }()},
       intra_op_thread_pool_{intra_op_thread_pool} {
   ORT_ENFORCE(accuracy_level_ >= 0 && accuracy_level_ <= 4, "MatMulNBits accuracy level must be between 0 and 4");
-
-  if (!intra_op_thread_pool_) {
-    OrtThreadPoolParams to;
-    intra_op_thread_pool_optional_ = concurrency::CreateThreadPool(&onnxruntime::Env::Default(), to,
-                                                                   concurrency::ThreadPoolType::INTRA_OP);
-  }
+  ORT_UNUSED_PARAMETER(intra_op_thread_pool_);
 }
 
 NodeAttributes
diff --git a/onnxruntime/core/optimizer/qdq_transformer/selectors_actions/qdq_actions.h b/onnxruntime/core/optimizer/qdq_transformer/selectors_actions/qdq_actions.h
index caa908fff8da9..836f5aca3cd3d 100644
--- a/onnxruntime/core/optimizer/qdq_transformer/selectors_actions/qdq_actions.h
+++ b/onnxruntime/core/optimizer/qdq_transformer/selectors_actions/qdq_actions.h
@@ -100,7 +100,6 @@ struct DQMatMulToMatMulNBitsAction : public ReplaceWithNew {
   const std::string op_type_;
   const std::vector<NodeAndMoveInfo> value_moves_;
   concurrency::ThreadPool* intra_op_thread_pool_;
-  std::optional<std::unique_ptr<concurrency::ThreadPool>> intra_op_thread_pool_optional_;
 };
 
 struct GemmReplaceWithQuant : public Action {