From ca3a3e0fd86a07de9e073ba31dc2b42d6ca84536 Mon Sep 17 00:00:00 2001
From: Finn Williams <Finn.Williams@arm.com>
Date: Fri, 11 Jun 2021 15:04:02 +0100
Subject: IVGCVSW-6062 Rework the async threadpool

!armnn:5801

Signed-off-by: Finn Williams <Finn.Williams@arm.com>
Change-Id: I9964d0899ce752441f380edddbd974010257b2dd
---
 ArmnnPreparedModel_1_3.hpp | 30 ++++++------------------------
 1 file changed, 6 insertions(+), 24 deletions(-)

(limited to 'ArmnnPreparedModel_1_3.hpp')

diff --git a/ArmnnPreparedModel_1_3.hpp b/ArmnnPreparedModel_1_3.hpp
index 11299cc4..46798cde 100644
--- a/ArmnnPreparedModel_1_3.hpp
+++ b/ArmnnPreparedModel_1_3.hpp
@@ -12,6 +12,8 @@
 
 #include <NeuralNetworks.h>
 #include <armnn/ArmNN.hpp>
+#include <armnn/Threadpool.hpp>
+
 
 #include <string>
 #include <vector>
@@ -52,7 +54,8 @@ public:
                            const std::string& requestInputsAndOutputsDumpDir,
                            const bool gpuProfilingEnabled,
                            V1_3::Priority priority = V1_3::Priority::MEDIUM,
-                           const bool asyncModelExecutionEnabled = false);
+                           const bool asyncModelExecutionEnabled = false,
+                           const unsigned int numberOfThreads = 1);
 
     virtual ~ArmnnPreparedModel_1_3();
 
@@ -131,28 +134,6 @@ private:
 
         void Notify(armnn::Status status, armnn::InferenceTimingPair timeTaken) override;
 
-        // Retrieve the Arm NN Status from the AsyncExecutionCallback that has been notified
-        virtual armnn::Status GetStatus() const override
-        {
-            return armnn::Status::Success;
-        }
-
-        // Block the calling thread until the AsyncExecutionCallback object allows it to proceed
-        virtual void Wait() const override
-        {}
-
-        // Retrieve the start time before executing the inference
-        virtual armnn::HighResolutionClock GetStartTime() const override
-        {
-            return std::chrono::high_resolution_clock::now();
-        }
-
-        // Retrieve the time after executing the inference
-        virtual armnn::HighResolutionClock GetEndTime() const override
-        {
-            return std::chrono::high_resolution_clock::now();
-        }
-
         ArmnnPreparedModel_1_3<HalVersion>* m_Model;
         std::shared_ptr<std::vector<::android::nn::RunTimePoolInfo>> m_MemPools;
         std::vector<V1_2::OutputShape> m_OutputShapes;
@@ -196,6 +177,7 @@ private:
 
     armnn::NetworkId                                                            m_NetworkId;
     armnn::IRuntime*                                                            m_Runtime;
+    std::unique_ptr<armnn::Threadpool>                                          m_Threadpool;
     V1_3::Model                                                                 m_Model;
     // There must be a single RequestThread for all ArmnnPreparedModel objects to ensure serial execution of workloads
     // It is specific to this class, so it is declared as static here
@@ -205,7 +187,7 @@ private:
     const bool                                                                  m_GpuProfilingEnabled;
     V1_3::Priority                                                              m_ModelPriority;
 
-    std::unique_ptr<IWorkingMemHandle> m_WorkingMemHandle;
+    std::shared_ptr<IWorkingMemHandle> m_WorkingMemHandle;
     const bool m_AsyncModelExecutionEnabled;
 };
 
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