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diff --git a/src/dynamic_fusion/sketch/gpu/GpuWorkloadContextImpl.h b/src/dynamic_fusion/sketch/gpu/GpuWorkloadContextImpl.h
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+/*
+ * Copyright (c) 2023 Arm Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef ACL_SRC_DYNAMIC_FUSION_SKETCH_GPU_GPUWORKLOADCONTEXTIMPL_H
+#define ACL_SRC_DYNAMIC_FUSION_SKETCH_GPU_GPUWORKLOADCONTEXTIMPL_H
+
+#include "arm_compute/core/CL/CLCompileContext.h"
+#include "arm_compute/core/ITensorInfo.h"
+#include "arm_compute/dynamic_fusion/sketch/MemoryDescriptor.h"
+#include "arm_compute/dynamic_fusion/sketch/gpu/GpuWorkloadContext.h"
+
+namespace arm_compute
+{
+namespace experimental
+{
+namespace dynamic_fusion
+{
+
+/** Internal implementation of workload context. */
+class GpuWorkloadContext::Impl
+{
+public:
+    /** Constructor
+     *
+     * @param[in] gpu_language   Target GPU language.
+     * @param[in] cl_compile_ctx CL compile context.
+     */
+    Impl(GpuLanguage gpu_language, CLCompileContext *cl_compile_ctx);
+
+    /** Copy constructor */
+    Impl(Impl &) = default;
+
+    /** Assignment */
+    Impl& operator=(Impl &) = default;
+
+    /** Get target GPU language. */
+    GpuLanguage gpu_language() const;
+
+    /** Get CL compile context. */
+    const CLCompileContext *cl_compile_context() const;
+
+    /** Get memory descriptor registry. */
+    const MemoryDescriptorMap &mem_map() const;
+
+    /** Set a new ID and register the user tensor info.
+     *
+     * @param[in, out] tensor_info The tensor info to be registered.
+     */
+    void register_user_tensor(ITensorInfo &tensor_info);
+
+    /** Set a new ID and register the auxiliary tensor info.
+     *
+     * @param[in, out] tensor_info The tensor info to be registered.
+     * @param[in]      mem_info    The auxiliary tensor memory info.
+     */
+    void register_aux_tensor(ITensorInfo &tensor_info, const AuxMemoryInfo &mem_info);
+
+    /** Set a new ID and register the virtual tensor info.
+     *
+     * @param[in, out] tensor_info The tensor info to be registered.
+     */
+    void register_virtual_tensor(ITensorInfo &tensor_info);
+
+private:
+    ITensorInfo::Id next_tensor_id();
+
+    GpuLanguage _gpu_language;
+    CLCompileContext *_cl_compile_ctx;
+
+    ITensorInfo::Id _next_tensor_id;
+    MemoryDescriptorMap _mem_map;
+};
+
+} // namespace dynamic_fusion
+} // namespace experimental
+} // namespace arm_compute
+
+#endif // ACL_SRC_DYNAMIC_FUSION_SKETCH_GPU_GPUWORKLOADCONTEXTIMPL_H