1 //
2 // Copyright © 2017 Arm Ltd and Contributors. All rights reserved.
3 // SPDX-License-Identifier: MIT
4 //
5 #include "ClStackWorkload.hpp"
6 #include "ClWorkloadUtils.hpp"
7 #include <aclCommon/ArmComputeTensorUtils.hpp>
8 #include <armnn/utility/NumericCast.hpp>
9 #include <armnn/utility/PolymorphicDowncast.hpp>
10 #include <armnn/backends/TensorHandle.hpp>
11 #include <cl/ClTensorHandle.hpp>
12 #include <cl/ClLayerSupport.hpp>
13
14 #include <arm_compute/core/Types.h>
15
16 namespace armnn
17 {
18 using namespace armcomputetensorutils;
19
20 namespace
21 {
CalcAxis(const unsigned int axis,const unsigned int inputDimensions)22 int CalcAxis(const unsigned int axis, const unsigned int inputDimensions)
23 {
24 const int intAxis = armnn::numeric_cast<int>(axis);
25 return armnn::numeric_cast<int>(inputDimensions) - intAxis;
26 }
27 } //namespace
28
ClStackWorkloadValidate(const std::vector<const TensorInfo * > & inputs,const TensorInfo & output,const StackDescriptor & descriptor)29 arm_compute::Status ClStackWorkloadValidate(const std::vector<const TensorInfo*>& inputs,
30 const TensorInfo& output,
31 const StackDescriptor& descriptor)
32 {
33 std::vector<arm_compute::ITensorInfo*> aclInputPtrs;
34 arm_compute::TensorInfo aclInputInfo;
35 for (const TensorInfo* input : inputs)
36 {
37 aclInputInfo = BuildArmComputeTensorInfo(*input);
38 aclInputPtrs.emplace_back(&aclInputInfo);
39 }
40 const arm_compute::TensorInfo aclOutputInfo = BuildArmComputeTensorInfo(output);
41
42 int aclAxis = CalcAxis(descriptor.m_Axis, descriptor.m_InputShape.GetNumDimensions());
43
44 return arm_compute::CLStackLayer::validate(aclInputPtrs, aclAxis, &aclOutputInfo);
45 }
46
ClStackWorkload(const StackQueueDescriptor & descriptor,const WorkloadInfo & info,const arm_compute::CLCompileContext & clCompileContext)47 ClStackWorkload::ClStackWorkload(const StackQueueDescriptor& descriptor,
48 const WorkloadInfo& info,
49 const arm_compute::CLCompileContext& clCompileContext)
50 : ClBaseWorkload<StackQueueDescriptor>(descriptor, info)
51 {
52 // Report Profiling Details
53 ARMNN_REPORT_PROFILING_WORKLOAD_DESC("ClStackWorkload_Construct",
54 descriptor.m_Parameters,
55 info,
56 this->GetGuid());
57
58 std::vector<arm_compute::ICLTensor*> aclInputs;
59 for (auto input : m_Data.m_Inputs)
60 {
61 arm_compute::ICLTensor& aclInput = armnn::PolymorphicPointerDowncast<IClTensorHandle>(input)->GetTensor();
62 aclInputs.emplace_back(&aclInput);
63 }
64 arm_compute::ICLTensor& output = armnn::PolymorphicPointerDowncast<IClTensorHandle>(
65 m_Data.m_Outputs[0])->GetTensor();
66
67 m_Layer.reset(new arm_compute::CLStackLayer());
68 int aclAxis = CalcAxis(descriptor.m_Parameters.m_Axis, descriptor.m_Parameters.m_InputShape.GetNumDimensions());
69 {
70 ARMNN_SCOPED_PROFILING_EVENT(Compute::Undefined, "ClStackWorkload_configure");
71 m_Layer->configure(clCompileContext, aclInputs, aclAxis, &output);
72 }
73 }
74
Execute() const75 void ClStackWorkload::Execute() const
76 {
77 if (m_Layer)
78 {
79 ARMNN_SCOPED_PROFILING_EVENT_CL_GUID("ClStackWorkload_Execute", this->GetGuid());
80 m_Layer->run();
81 }
82 }
83
84 } //namespace armnn