From 6ecfe806d381efd6745ab89f4073d8dc195f809b Mon Sep 17 00:00:00 2001
From: JingZhuangzhuang <75348594+JZZ-NOTE@users.noreply.github.com>
Date: Sun, 24 Oct 2021 23:47:32 -0500
Subject: [PATCH] CUDA sparsity support (#36413) (#36659)

---
 paddle/fluid/inference/tensorrt/engine.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/paddle/fluid/inference/tensorrt/engine.cc b/paddle/fluid/inference/tensorrt/engine.cc
index ef58057dad..e151ef124a 100644
--- a/paddle/fluid/inference/tensorrt/engine.cc
+++ b/paddle/fluid/inference/tensorrt/engine.cc
@@ -238,6 +238,7 @@ void TensorRTEngine::FreezeNetwork() {
   infer_engine_.reset(infer_builder_->buildEngineWithConfig(
       *network(), *infer_builder_config_));
 #else
+  infer_builder_config_->setFlag(nvinfer1::BuilderFlag::kSPARSE_WEIGHTS);
   infer_ptr<nvinfer1::IHostMemory> plan(infer_builder_->buildSerializedNetwork(
       *network(), *infer_builder_config_));
   infer_ptr<nvinfer1::IRuntime> runtime(createInferRuntime(&logger_));
-- 
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