Add multi-sketch support for dynamic fusion

* Tensors are owned by workload context instead of workload sketch
  so that they can be used by multiple sketches.
* Add an integration test for multi-sketch case.

Resolves: COMPMID-6148
Signed-off-by: Viet-Hoa Do <viet-hoa.do@arm.com>
Change-Id: I37d0de5ac103fb2a85020aa1c26e49eb304f47b7
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/9706
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: SiCong Li <sicong.li@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Benchmark: Arm Jenkins <bsgcomp@arm.com>
diff --git a/tests/validation/dynamic_fusion/gpu/cl/Add.cpp b/tests/validation/dynamic_fusion/gpu/cl/Add.cpp
index 0034b0f..d9a3d95 100644
--- a/tests/validation/dynamic_fusion/gpu/cl/Add.cpp
+++ b/tests/validation/dynamic_fusion/gpu/cl/Add.cpp
@@ -87,12 +87,12 @@
 {
     // Create a new workload sketch
     auto              cl_compile_ctx = CLKernelLibrary::get().get_compile_context();
-    auto              gpu_ctx        = GpuWorkloadContext{ &cl_compile_ctx };
-    GpuWorkloadSketch sketch{ &gpu_ctx };
+    auto              context        = GpuWorkloadContext{ &cl_compile_ctx };
+    GpuWorkloadSketch sketch{ &context };
 
     // Validate Elementwise Add
-    auto          lhs_info         = sketch.create_tensor_info(input1_info);
-    auto          rhs_info         = sketch.create_tensor_info(input2_info);
+    auto          lhs_info         = context.create_tensor_info(input1_info);
+    auto          rhs_info         = context.create_tensor_info(input2_info);
 
     bool res = bool(GpuAdd::validate_op(sketch, &lhs_info, &rhs_info));
     ARM_COMPUTE_EXPECT(res == expected, framework::LogLevel::ERRORS);
diff --git a/tests/validation/dynamic_fusion/gpu/cl/Clamp.cpp b/tests/validation/dynamic_fusion/gpu/cl/Clamp.cpp
index 177c02c..dc46dd5 100644
--- a/tests/validation/dynamic_fusion/gpu/cl/Clamp.cpp
+++ b/tests/validation/dynamic_fusion/gpu/cl/Clamp.cpp
@@ -69,11 +69,11 @@
 {
     // Create a new workload sketch
     CLCompileContext cl_compile_ctx = CLKernelLibrary::get().get_compile_context();
-    GpuWorkloadContext gpu_ctx{ &cl_compile_ctx };
-    GpuWorkloadSketch sketch{ &gpu_ctx };
+    GpuWorkloadContext context{ &cl_compile_ctx };
+    GpuWorkloadSketch sketch{ &context };
 
     // Fuse Clamp
-    const TensorInfo src_info = sketch.create_tensor_info(input_info);
+    const TensorInfo src_info = context.create_tensor_info(input_info);
 
     ClampAttributes attributes {};
     attributes.min_val(min_val)
diff --git a/tests/validation/dynamic_fusion/gpu/cl/DepthwiseConv2d.cpp b/tests/validation/dynamic_fusion/gpu/cl/DepthwiseConv2d.cpp
index b6331d7..7ab7c8a 100644
--- a/tests/validation/dynamic_fusion/gpu/cl/DepthwiseConv2d.cpp
+++ b/tests/validation/dynamic_fusion/gpu/cl/DepthwiseConv2d.cpp
@@ -242,12 +242,12 @@
                 input_info, weights_info, biases_info, padding, stride, depth_multiplier, dilation, expected)
 {
     CLCompileContext cl_compile_ctx = CLKernelLibrary::get().get_compile_context();
-    GpuWorkloadContext gpu_ctx = GpuWorkloadContext{ &cl_compile_ctx };
-    GpuWorkloadSketch sketch{ &gpu_ctx };
+    GpuWorkloadContext context = GpuWorkloadContext{ &cl_compile_ctx };
+    GpuWorkloadSketch sketch{ &context };
 
-    const TensorInfo sketch_input_info   = sketch.create_tensor_info(input_info);
-    const TensorInfo sketch_weights_info = sketch.create_tensor_info(weights_info);
-    const TensorInfo sketch_biases_info  = sketch.create_tensor_info(biases_info);
+    const TensorInfo sketch_input_info   = context.create_tensor_info(input_info);
+    const TensorInfo sketch_weights_info = context.create_tensor_info(weights_info);
+    const TensorInfo sketch_biases_info  = context.create_tensor_info(biases_info);
 
     DepthwiseConv2dAttributes attributes {};
     attributes.pad(padding)
diff --git a/tests/validation/dynamic_fusion/gpu/cl/DirectConv2d.cpp b/tests/validation/dynamic_fusion/gpu/cl/DirectConv2d.cpp
index cccad18..f27a179 100644
--- a/tests/validation/dynamic_fusion/gpu/cl/DirectConv2d.cpp
+++ b/tests/validation/dynamic_fusion/gpu/cl/DirectConv2d.cpp
@@ -157,12 +157,12 @@
                input_info, weights_info, biases_info, conv2d_attrs, expected)
 {
     auto              cl_compile_ctx = CLKernelLibrary::get().get_compile_context();
-    auto              gpu_ctx        = GpuWorkloadContext{ &cl_compile_ctx };
-    GpuWorkloadSketch sketch{ &gpu_ctx };
+    auto              context        = GpuWorkloadContext{ &cl_compile_ctx };
+    GpuWorkloadSketch sketch{ &context };
 
-    const TensorInfo sketch_input_info   = sketch.create_tensor_info(input_info);
-    const TensorInfo sketch_weights_info = sketch.create_tensor_info(weights_info);
-    const TensorInfo sketch_biases_info  = sketch.create_tensor_info(biases_info);
+    const TensorInfo sketch_input_info   = context.create_tensor_info(input_info);
+    const TensorInfo sketch_weights_info = context.create_tensor_info(weights_info);
+    const TensorInfo sketch_biases_info  = context.create_tensor_info(biases_info);
     bool is_valid = bool(GpuConv2d::validate_op(sketch, &sketch_input_info, &sketch_weights_info, &sketch_biases_info, conv2d_attrs));
     ARM_COMPUTE_EXPECT(is_valid == expected, framework::LogLevel::ERRORS);
 }
diff --git a/tests/validation/dynamic_fusion/gpu/cl/Mul.cpp b/tests/validation/dynamic_fusion/gpu/cl/Mul.cpp
index a9e8f9c..2da2b9e 100644
--- a/tests/validation/dynamic_fusion/gpu/cl/Mul.cpp
+++ b/tests/validation/dynamic_fusion/gpu/cl/Mul.cpp
@@ -102,12 +102,12 @@
 {
     // Create a new workload sketch
     auto              cl_compile_ctx = CLKernelLibrary::get().get_compile_context();
-    auto              gpu_ctx        = GpuWorkloadContext{ &cl_compile_ctx };
-    GpuWorkloadSketch sketch{ &gpu_ctx };
+    auto              context        = GpuWorkloadContext{ &cl_compile_ctx };
+    GpuWorkloadSketch sketch{ &context };
 
     // Validate Elementwise Mul
-    auto          lhs_info         = sketch.create_tensor_info(input1_info);
-    auto          rhs_info         = sketch.create_tensor_info(input2_info);
+    auto          lhs_info         = context.create_tensor_info(input1_info);
+    auto          rhs_info         = context.create_tensor_info(input2_info);
 
     bool res = bool(GpuMul::validate_op(sketch, &lhs_info, &rhs_info));
     ARM_COMPUTE_EXPECT(res == expected, framework::LogLevel::ERRORS);
diff --git a/tests/validation/dynamic_fusion/gpu/cl/Pool2d.cpp b/tests/validation/dynamic_fusion/gpu/cl/Pool2d.cpp
index a7772ae..f4478db 100644
--- a/tests/validation/dynamic_fusion/gpu/cl/Pool2d.cpp
+++ b/tests/validation/dynamic_fusion/gpu/cl/Pool2d.cpp
@@ -101,15 +101,15 @@
 {
     // Create a new workload sketch
     auto              cl_compile_ctx = CLKernelLibrary::get().get_compile_context();
-    auto              gpu_ctx        = GpuWorkloadContext{ &cl_compile_ctx };
-    GpuWorkloadSketch sketch{ &gpu_ctx };
+    auto              context        = GpuWorkloadContext{ &cl_compile_ctx };
+    GpuWorkloadSketch sketch{ &context };
 
     // Declare GpuPool2d settings
     const GpuPool2dSettings &settings = GpuPool2dSettings().mixed_precision(false);
 
     // Validate Pool2d Configuration
-    auto                   src_info    = sketch.create_tensor_info(input_info);
-    auto                   dst_info    = sketch.create_tensor_info(output_info);
+    auto                   src_info    = context.create_tensor_info(input_info);
+    auto                   dst_info    = context.create_tensor_info(output_info);
     bool                   res         = bool(GpuPool2d::validate_op(sketch, &src_info, &dst_info, pool2d_attr, settings));
     ARM_COMPUTE_EXPECT(res == expected, framework::LogLevel::ERRORS);
 }
diff --git a/tests/validation/dynamic_fusion/gpu/cl/Reshape.cpp b/tests/validation/dynamic_fusion/gpu/cl/Reshape.cpp
index 6d88be4..bdaa1be 100644
--- a/tests/validation/dynamic_fusion/gpu/cl/Reshape.cpp
+++ b/tests/validation/dynamic_fusion/gpu/cl/Reshape.cpp
@@ -53,13 +53,13 @@
 {
     // Create a new workload sketch
     auto              cl_compile_ctx = CLKernelLibrary::get().get_compile_context();
-    auto              gpu_ctx        = GpuWorkloadContext{ &cl_compile_ctx };
-    GpuWorkloadSketch sketch{ &gpu_ctx };
+    auto              context        = GpuWorkloadContext{ &cl_compile_ctx };
+    GpuWorkloadSketch sketch{ &context };
 
     // Create sketch tensors
     TensorShape input_shape = input_info.tensor_shape();
     ARM_COMPUTE_UNUSED(input_shape);
-    TensorInfo src_info = sketch.create_tensor_info(input_info);
+    TensorInfo src_info = context.create_tensor_info(input_info);
 
     ReshapeAttributes attributes;
     attributes.shape(output_shape);
diff --git a/tests/validation/dynamic_fusion/gpu/cl/Resize.cpp b/tests/validation/dynamic_fusion/gpu/cl/Resize.cpp
index 696be54..5f99cd6 100644
--- a/tests/validation/dynamic_fusion/gpu/cl/Resize.cpp
+++ b/tests/validation/dynamic_fusion/gpu/cl/Resize.cpp
@@ -95,10 +95,10 @@
     const TensorInfo output_info = TensorInfo{ default_output_shape, 1, default_data_type, default_data_layout };
 
     CLCompileContext   cl_compile_ctx = CLKernelLibrary::get().get_compile_context();
-    GpuWorkloadContext gpu_ctx        = GpuWorkloadContext{ &cl_compile_ctx };
-    GpuWorkloadSketch  sketch{ &gpu_ctx };
+    GpuWorkloadContext context        = GpuWorkloadContext{ &cl_compile_ctx };
+    GpuWorkloadSketch  sketch{ &context };
 
-    const TensorInfo sketch_input_info = sketch.create_tensor_info(input_info);
+    const TensorInfo sketch_input_info = context.create_tensor_info(input_info);
 
     // nullptr is given as input
     Status status = GpuResize::validate_op(sketch, nullptr, ResizeAttributes());
@@ -135,10 +135,10 @@
         const TensorInfo input_info = TensorInfo{ default_input_shape, 1, kv.first, default_data_layout };
 
         CLCompileContext   cl_compile_ctx = CLKernelLibrary::get().get_compile_context();
-        GpuWorkloadContext gpu_ctx        = GpuWorkloadContext{ &cl_compile_ctx };
-        GpuWorkloadSketch  sketch{ &gpu_ctx };
+        GpuWorkloadContext context        = GpuWorkloadContext{ &cl_compile_ctx };
+        GpuWorkloadSketch  sketch{ &context };
 
-        const TensorInfo sketch_input_info = sketch.create_tensor_info(input_info);
+        const TensorInfo sketch_input_info = context.create_tensor_info(input_info);
 
         ResizeAttributes attributes;
         attributes.output_width(default_output_shape[0]); // shape is not important unless it's empty
@@ -157,10 +157,10 @@
     const TensorInfo output_info = TensorInfo{ default_output_shape, 1, non_default_data_type, default_data_layout };
 
     CLCompileContext   cl_compile_ctx = CLKernelLibrary::get().get_compile_context();
-    GpuWorkloadContext gpu_ctx        = GpuWorkloadContext{ &cl_compile_ctx };
-    GpuWorkloadSketch  sketch{ &gpu_ctx };
+    GpuWorkloadContext context        = GpuWorkloadContext{ &cl_compile_ctx };
+    GpuWorkloadSketch  sketch{ &context };
 
-    const TensorInfo sketch_input_info = sketch.create_tensor_info(input_info);
+    const TensorInfo sketch_input_info = context.create_tensor_info(input_info);
 
     Status status = GpuResize::validate_op(sketch, &sketch_input_info, ResizeAttributes());
     ARM_COMPUTE_EXPECT(bool(status) == false, framework::LogLevel::ERRORS);
@@ -177,10 +177,10 @@
     const TensorInfo output_info = TensorInfo{ default_output_shape, 1, default_data_type, default_data_layout };
 
     CLCompileContext   cl_compile_ctx = CLKernelLibrary::get().get_compile_context();
-    GpuWorkloadContext gpu_ctx        = GpuWorkloadContext{ &cl_compile_ctx };
-    GpuWorkloadSketch  sketch{ &gpu_ctx };
+    GpuWorkloadContext context        = GpuWorkloadContext{ &cl_compile_ctx };
+    GpuWorkloadSketch  sketch{ &context };
 
-    const TensorInfo sketch_input_info = sketch.create_tensor_info(input_info);
+    const TensorInfo sketch_input_info = context.create_tensor_info(input_info);
 
     ResizeAttributes attributes{};
     attributes.interpolation_policy(interpolation_policy)
@@ -198,10 +198,10 @@
     constexpr auto   interpolation_policy = InterpolationPolicy::AREA;
 
     CLCompileContext   cl_compile_ctx = CLKernelLibrary::get().get_compile_context();
-    GpuWorkloadContext gpu_ctx        = GpuWorkloadContext{ &cl_compile_ctx };
-    GpuWorkloadSketch  sketch{ &gpu_ctx };
+    GpuWorkloadContext context        = GpuWorkloadContext{ &cl_compile_ctx };
+    GpuWorkloadSketch  sketch{ &context };
 
-    const TensorInfo sketch_input_info = sketch.create_tensor_info(input_info);
+    const TensorInfo sketch_input_info = context.create_tensor_info(input_info);
 
     ResizeAttributes attributes{};
     attributes.interpolation_policy(interpolation_policy);
@@ -217,10 +217,10 @@
     constexpr auto   interpolation_policy = InterpolationPolicy::BILINEAR;
 
     CLCompileContext   cl_compile_ctx = CLKernelLibrary::get().get_compile_context();
-    GpuWorkloadContext gpu_ctx        = GpuWorkloadContext{ &cl_compile_ctx };
-    GpuWorkloadSketch  sketch{ &gpu_ctx };
+    GpuWorkloadContext context        = GpuWorkloadContext{ &cl_compile_ctx };
+    GpuWorkloadSketch  sketch{ &context };
 
-    const TensorInfo sketch_input_info = sketch.create_tensor_info(input_info);
+    const TensorInfo sketch_input_info = context.create_tensor_info(input_info);
 
     ResizeAttributes attributes{};
     attributes.interpolation_policy(interpolation_policy);
diff --git a/tests/validation/dynamic_fusion/gpu/cl/Sigmoid.cpp b/tests/validation/dynamic_fusion/gpu/cl/Sigmoid.cpp
index aace23e..5fd1180 100644
--- a/tests/validation/dynamic_fusion/gpu/cl/Sigmoid.cpp
+++ b/tests/validation/dynamic_fusion/gpu/cl/Sigmoid.cpp
@@ -61,11 +61,11 @@
 {
     // Create a new workload sketch
     CLCompileContext cl_compile_ctx = CLKernelLibrary::get().get_compile_context();
-    GpuWorkloadContext gpu_ctx{ &cl_compile_ctx };
-    GpuWorkloadSketch sketch{ &gpu_ctx };
+    GpuWorkloadContext context{ &cl_compile_ctx };
+    GpuWorkloadSketch sketch{ &context };
 
     // Fuse sigmoid
-    const TensorInfo src_info = sketch.create_tensor_info(input_info);
+    const TensorInfo src_info = context.create_tensor_info(input_info);
 
     const bool res = static_cast<bool>(GpuSigmoid::validate_op(sketch, &src_info));
     ARM_COMPUTE_EXPECT(res == expected, framework::LogLevel::ERRORS);
diff --git a/tests/validation/dynamic_fusion/gpu/cl/Softmax.cpp b/tests/validation/dynamic_fusion/gpu/cl/Softmax.cpp
index d09454e..e8314d7 100644
--- a/tests/validation/dynamic_fusion/gpu/cl/Softmax.cpp
+++ b/tests/validation/dynamic_fusion/gpu/cl/Softmax.cpp
@@ -104,13 +104,13 @@
 {
     // Create a new workload sketch
     CLCompileContext   cl_compile_ctx = CLKernelLibrary::get().get_compile_context();
-    GpuWorkloadContext gpu_ctx        = GpuWorkloadContext{ &cl_compile_ctx };
-    GpuWorkloadSketch  sketch{ &gpu_ctx };
+    GpuWorkloadContext context        = GpuWorkloadContext{ &cl_compile_ctx };
+    GpuWorkloadSketch  sketch{ &context };
 
     SoftmaxAttributes softmax_attr{};
     softmax_attr.axis(axis).beta(beta).is_log_softmax(false);
-    TensorInfo src_info  = sketch.create_tensor_info(input_info);
-    TensorInfo dst_info = sketch.create_tensor_info(output_info);
+    TensorInfo src_info  = context.create_tensor_info(input_info);
+    TensorInfo dst_info = context.create_tensor_info(output_info);
     const bool res = static_cast<bool>(GpuSoftmax::validate_op(sketch, &src_info, &dst_info, softmax_attr));
     ARM_COMPUTE_EXPECT(res == expected, framework::LogLevel::ERRORS);
 }
diff --git a/tests/validation/dynamic_fusion/gpu/cl/Sub.cpp b/tests/validation/dynamic_fusion/gpu/cl/Sub.cpp
index 977e011..0bb05c2 100644
--- a/tests/validation/dynamic_fusion/gpu/cl/Sub.cpp
+++ b/tests/validation/dynamic_fusion/gpu/cl/Sub.cpp
@@ -89,12 +89,12 @@
 {
     // Create a new workload sketch
     auto              cl_compile_ctx = CLKernelLibrary::get().get_compile_context();
-    auto              gpu_ctx        = GpuWorkloadContext{ &cl_compile_ctx };
-    GpuWorkloadSketch sketch{ &gpu_ctx };
+    auto              context        = GpuWorkloadContext{ &cl_compile_ctx };
+    GpuWorkloadSketch sketch{ &context };
 
     // Validate Elementwise Sub
-    auto          lhs_info         = sketch.create_tensor_info(input1_info);
-    auto          rhs_info         = sketch.create_tensor_info(input2_info);
+    auto          lhs_info         = context.create_tensor_info(input1_info);
+    auto          rhs_info         = context.create_tensor_info(input2_info);
 
     bool res = bool(GpuSub::validate_op(sketch, &lhs_info, &rhs_info));
     ARM_COMPUTE_EXPECT(res == expected, framework::LogLevel::ERRORS);
diff --git a/tests/validation/dynamic_fusion/gpu/cl/Tanh.cpp b/tests/validation/dynamic_fusion/gpu/cl/Tanh.cpp
index 183cd07..00c92fb 100644
--- a/tests/validation/dynamic_fusion/gpu/cl/Tanh.cpp
+++ b/tests/validation/dynamic_fusion/gpu/cl/Tanh.cpp
@@ -61,11 +61,11 @@
 {
     // Create a new workload sketch
     CLCompileContext cl_compile_ctx = CLKernelLibrary::get().get_compile_context();
-    GpuWorkloadContext gpu_ctx{ &cl_compile_ctx };
-    GpuWorkloadSketch sketch{ &gpu_ctx };
+    GpuWorkloadContext context{ &cl_compile_ctx };
+    GpuWorkloadSketch sketch{ &context };
 
     // Fuse tanh
-    const TensorInfo src_info = sketch.create_tensor_info(input_info);
+    const TensorInfo src_info = context.create_tensor_info(input_info);
 
     const bool res = static_cast<bool>(GpuTanh::validate_op(sketch, &src_info));
     ARM_COMPUTE_EXPECT(res == expected, framework::LogLevel::ERRORS);