[WebNN EP] Support Tile operator

js/web/docs/webnn-operators.md

@@ -91,6 +91,7 @@ operators and the supported opset domain/versions in **WebNN EP** by ONNX Runtim
 | Sub | ai.onnx(7-12, 13, 14+) | sub | ✓ | ✓ | |
 | Tan | ai.onnx(7+) | tan | ✓ | ✓ | |
 | Tanh | ai.onnx(7-12, 13+) | tanh | ✓ | ✓ | |
+| Tile | ai.onnx(7-12, 13+) | tile | ✗ | ✓ | Input 'repeats' should be a constant |
 | Transpose | ai.onnx(7-12, 13-20, 21+) | transpose | ✓ | ✓ | |
 | Trilu | ai.onnx(14+) | triangular | ✓ | ✓ | Input 'k' (option 'diagonal' for WebNN) if present should be a constant |
 | Unsqueeze | ai.onnx(7-10, 11-12, 13-20, 21+) | reshape | ✓ | ✓ | |

js/web/test/suite-test-list.jsonc

@@ -2498,8 +2498,8 @@
       // "test_thresholdedrelu_default",
       // "test_thresholdedrelu_example",
       // "test_thresholdedrelu",
-      // "test_tile_precomputed",
-      // "test_tile",
+      "test_tile_precomputed",
+      "test_tile",
       // // "test_top_k_negative_axis",
       // // "test_top_k_smallest",
       // // "test_top_k",

onnxruntime/core/providers/webnn/builders/helper.h

@@ -234,6 +234,7 @@ static const InlinedHashMap<std::string, std::string> op_map = {
     {"Sub", "sub"},
     {"Tan", "tan"},
     {"Tanh", "tanh"},
+    {"Tile", "tile"},
     {"Transpose", "transpose"},
     {"Trilu", "triangular"},
     {"Unsqueeze", "reshape"},

onnxruntime/core/providers/webnn/builders/impl/tile_op_builder.cc

@@ -0,0 +1,98 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Copyright (c) Intel Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#include "core/common/safeint.h"
+#include "core/framework/tensorprotoutils.h"
+#include "core/optimizer/initializer.h"
+#include "core/providers/common.h"
+#include "core/providers/shared/utils/utils.h"
+#include "core/providers/webnn/builders/helper.h"
+#include "core/providers/webnn/builders/model_builder.h"
+#include "core/providers/webnn/builders/op_builder_factory.h"
+
+#include "base_op_builder.h"
+
+namespace onnxruntime {
+namespace webnn {
+
+class TileOpBuilder : public BaseOpBuilder {
+  // Add operator related.
+ public:
+  void AddInitializersToSkip(ModelBuilder& model_builder, const Node& node) const override;
+
+ private:
+  Status AddToModelBuilderImpl(ModelBuilder& model_builder, const Node& node,
+                               const logging::Logger& logger) const override ORT_MUST_USE_RESULT;
+
+  // Operator support related.
+ private:
+  bool IsOpSupportedImpl(const InitializedTensorSet& initializers, const Node& node,
+                         const WebnnDeviceType /* device_type */, const logging::Logger& logger) const override;
+};
+
+// Add operator related.
+
+void TileOpBuilder::AddInitializersToSkip(ModelBuilder& model_builder, const Node& node) const {
+  model_builder.AddInitializerToSkip(node.InputDefs()[1]->Name());
+}
+
+Status TileOpBuilder::AddToModelBuilderImpl(ModelBuilder& model_builder,
+                                            const Node& node,
+                                            const logging::Logger& logger) const {
+  const auto& input_defs = node.InputDefs();
+  const auto& initializers(model_builder.GetInitializerTensors());
+  const auto& repetitions_initializer = *initializers.at(input_defs[1]->Name());
+  const int64_t* raw_repetitions_data = repetitions_initializer.int64_data().empty()
+                                            ? reinterpret_cast<const int64_t*>(repetitions_initializer.raw_data().data())
+                                            : repetitions_initializer.int64_data().data();
+  const auto size = repetitions_initializer.dims()[0];
+  TensorShapeVector repetitions_data{raw_repetitions_data, raw_repetitions_data + size};
+  emscripten::val input = model_builder.GetOperand(input_defs[0]->Name());
+  std::vector<uint32_t> repetitions;
+  std::transform(repetitions_data.cbegin(), repetitions_data.cend(),
+                 std::back_inserter(repetitions),
+                 [](int64_t repetition) -> uint32_t { return SafeInt<uint32_t>(repetition); });
+
+  emscripten::val options = emscripten::val::object();
+  options.set("label", node.Name());
+  emscripten::val output = model_builder.GetBuilder().call<emscripten::val>("tile",
+                                                                            input,
+                                                                            emscripten::val::array(repetitions),
+                                                                            options);
+  model_builder.AddOperand(node.OutputDefs()[0]->Name(), std::move(output));
+  return Status::OK();
+}
+
+// Operator support related.
+
+bool TileOpBuilder::IsOpSupportedImpl(const InitializedTensorSet& initializers,
+                                      const Node& node,
+                                      const WebnnDeviceType /* device_type */,
+                                      const logging::Logger& logger) const {
+  const auto& input_defs = node.InputDefs();
+  const auto& repetitions_name = input_defs[1]->Name();
+  if (!Contains(initializers, repetitions_name)) {
+    LOGS(logger, VERBOSE) << "Repetitions of tile must be a constant initializer";
+    return false;
+  }
+
+  std::vector<int64_t> input_shape;
+  if (!GetShape(*input_defs[0], input_shape, logger))
+    return false;
+
+  if (input_shape.empty()) {
+    LOGS(logger, VERBOSE) << "Tile does not support empty input shape";
+    return false;
+  }
+
+  return true;
+}
+
+void CreateTileOpBuilder(const std::string& op_type, OpBuilderRegistrations& op_registrations) {
+  op_registrations.builders.push_back(std::make_unique<TileOpBuilder>());
+  op_registrations.op_builder_map.emplace(op_type, op_registrations.builders.back().get());
+}
+
+}  // namespace webnn
+}  // namespace onnxruntime

onnxruntime/core/providers/webnn/builders/op_builder_factory.cc

@@ -187,6 +187,10 @@ static OpBuilderRegistrations CreateOpBuilderRegistrations() {
     CreateSqueezeUnsqueezeOpBuilder("Unsqueeze", op_registrations);
   }
 
+  {  // Tile
+    CreateTileOpBuilder("Tile", op_registrations);
+  }
+
   {  // Transpose
     CreateTransposeOpBuilder("Transpose", op_registrations);
   }

onnxruntime/core/providers/webnn/builders/op_builder_factory.h

@@ -48,6 +48,7 @@ void CreateSoftmaxOpBuilder(const std::string& op_type, OpBuilderRegistrations&
 void CreateSplitOpBuilder(const std::string& op_type, OpBuilderRegistrations& op_registrations);
 void CreateSqueezeUnsqueezeOpBuilder(const std::string& op_type, OpBuilderRegistrations& op_registrations);
 void CreateTernaryOpBuilder(const std::string& op_type, OpBuilderRegistrations& op_registrations);
+void CreateTileOpBuilder(const std::string& op_type, OpBuilderRegistrations& op_registrations);
 void CreateTransposeOpBuilder(const std::string& op_type, OpBuilderRegistrations& op_registrations);
 void CreateTriangularOpBuilder(const std::string& op_type, OpBuilderRegistrations& op_registrations);
 void CreateUnaryOpBuilder(const std::string& op_type, OpBuilderRegistrations& op_registrations);