IVGCVSW-4450 Add CL Enhanced Quantized LSTM Workload

 * Adds QLstm CL workload
 * Added Layer and CreateWorkload tests

Signed-off-by: Ryan OShea <Ryan.OShea2@arm.com>
Signed-off-by: James Conroy <james.conroy@arm.com>
Change-Id: I32335e528467bfd619edb249d2971705ac2a6163

1 files changed, 66 insertions, 0 deletions

diff --git a/src/backends/cl/workloads/ClQLstmWorkload.hpp b/src/backends/cl/workloads/ClQLstmWorkload.hpp
new file mode 100644
index 0000000000..f98c9b3f9a
--- /dev/null
+++ b/src/backends/cl/workloads/ClQLstmWorkload.hpp
@@ -0,0 +1,66 @@
+//
+// Copyright © 2020 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <armnn/Descriptors.hpp>
+#include <armnn/LstmParams.hpp>
+#include <backendsCommon/Workload.hpp>
+#include <backendsCommon/WorkloadData.hpp>
+
+#include "arm_compute/graph/Tensor.h"
+#include "arm_compute/runtime/CL/functions/CLQLSTMLayer.h"
+
+namespace armnn
+{
+
+class ClQLstmWorkload : public BaseWorkload<QLstmQueueDescriptor>
+{
+public:
+    ClQLstmWorkload(const QLstmQueueDescriptor& descriptor, const WorkloadInfo& info);
+    virtual void Execute() const override;
+
+private:
+    mutable arm_compute::CLQLSTMLayer m_QLstmLayer;
+
+    std::unique_ptr<arm_compute::CLTensor> m_InputToInputWeightsTensor;
+    std::unique_ptr<arm_compute::CLTensor> m_InputToForgetWeightsTensor;
+    std::unique_ptr<arm_compute::CLTensor> m_InputToCellWeightsTensor;
+    std::unique_ptr<arm_compute::CLTensor> m_InputToOutputWeightsTensor;
+
+    std::unique_ptr<arm_compute::CLTensor> m_RecurrentToInputWeightsTensor;
+    std::unique_ptr<arm_compute::CLTensor> m_RecurrentToForgetWeightsTensor;
+    std::unique_ptr<arm_compute::CLTensor> m_RecurrentToCellWeightsTensor;
+    std::unique_ptr<arm_compute::CLTensor> m_RecurrentToOutputWeightsTensor;
+
+    std::unique_ptr<arm_compute::CLTensor> m_CellToInputWeightsTensor;
+    std::unique_ptr<arm_compute::CLTensor> m_CellToForgetWeightsTensor;
+    std::unique_ptr<arm_compute::CLTensor> m_CellToOutputWeightsTensor;
+
+    std::unique_ptr<arm_compute::CLTensor> m_InputGateBiasTensor;
+    std::unique_ptr<arm_compute::CLTensor> m_ForgetGateBiasTensor;
+    std::unique_ptr<arm_compute::CLTensor> m_CellBiasTensor;
+    std::unique_ptr<arm_compute::CLTensor> m_OutputGateBiasTensor;
+
+    std::unique_ptr<arm_compute::CLTensor> m_ProjectionWeightsTensor;
+    std::unique_ptr<arm_compute::CLTensor> m_ProjectionBiasTensor;
+
+    std::unique_ptr<arm_compute::CLTensor> m_InputLayerNormWeightsTensor;
+    std::unique_ptr<arm_compute::CLTensor> m_ForgetLayerNormWeightsTensor;
+    std::unique_ptr<arm_compute::CLTensor> m_CellLayerNormWeightsTensor;
+    std::unique_ptr<arm_compute::CLTensor> m_OutputLayerNormWeightsTensor;
+
+    void FreeUnusedTensors();
+};
+
+arm_compute::Status ClQLstmWorkloadValidate(const TensorInfo& input,
+                                            const TensorInfo& cellStateIn,
+                                            const TensorInfo& outputStateIn,
+                                            const TensorInfo& cellStateOut,
+                                            const TensorInfo& outputStateOut,
+                                            const TensorInfo& output,
+                                            const QLstmDescriptor& descriptor,
+                                            const LstmInputParamsInfo& paramsInfo);
+} //namespace armnn