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From GitBox <...@apache.org>
Subject [GitHub] [incubator-tvm] masahi commented on a change in pull request #5919: [BYOC] JSON Runtime with DNNL End-to-End Flow
Date Tue, 30 Jun 2020 09:59:40 GMT

masahi commented on a change in pull request #5919:
URL: https://github.com/apache/incubator-tvm/pull/5919#discussion_r447563925



##########
File path: src/relay/backend/contrib/codegen_json/codegen_json.h
##########
@@ -0,0 +1,353 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*!
+ * \file relay/backend/contrib/codegen_json.h
+ * \brief Utilities for json codegen and runtime
+ */
+#ifndef TVM_RELAY_BACKEND_CONTRIB_CODEGEN_JSON_CODEGEN_JSON_H_
+#define TVM_RELAY_BACKEND_CONTRIB_CODEGEN_JSON_CODEGEN_JSON_H_
+
+#include <dmlc/any.h>
+#include <dmlc/json.h>
+#include <tvm/node/container.h>
+#include <tvm/node/reflection.h>
+#include <tvm/runtime/container.h>
+#include <tvm/tir/op.h>
+
+#include <cstdint>
+#include <limits>
+#include <memory>
+#include <string>
+#include <vector>
+
+#include "../../../../runtime/contrib/json/json_node.h"
+#include "../../../../runtime/contrib/json/json_runtime.h"
+#include "../../utils.h"
+
+namespace tvm {
+namespace relay {
+namespace backend {
+namespace contrib {
+
+using namespace tvm::runtime::json;
+
+using ShapeVector = std::vector<std::vector<int64_t>>;
+using TypeVector = std::vector<std::string>;
+using JSONGraphObjectPtr = std::shared_ptr<JSONGraphNode>;
+
+/*!
+ * \brief Helper class to extract all attributes of a certain op and save them
+ * into text format.
+ */
+class OpAttrExtractor : public AttrVisitor {
+ public:
+  explicit OpAttrExtractor(JSONGraphObjectPtr node) : node_(node) {}
+
+  template <typename T = double, typename = std::enable_if_t<std::is_floating_point<T>::value>>
+  std::string Fp2String(const T value) {
+    std::ostringstream out;
+    out.precision(std::numeric_limits<T>::max_digits10);
+    out << value;
+    return out.str();
+  }
+
+  void SetNodeAttr(const char* key, const std::vector<std::string>& value) {
+    std::vector<dmlc::any> attr;
+    attr.emplace_back(value);
+    node_->SetAttr(key, attr);
+  }
+
+  void Visit(const char* key, double* value) final { SetNodeAttr(key, {Fp2String(*value)});
}
+
+  void Visit(const char* key, int64_t* value) final { SetNodeAttr(key, {std::to_string(*value)});
}
+
+  void Visit(const char* key, uint64_t* value) final { SetNodeAttr(key, {std::to_string(*value)});
}
+
+  void Visit(const char* key, int* value) final { SetNodeAttr(key, {std::to_string(*value)});
}
+
+  void Visit(const char* key, bool* value) final { SetNodeAttr(key, {std::to_string(*value)});
}
+
+  void Visit(const char* key, std::string* value) final { SetNodeAttr(key, {*value}); }
+
+  void Visit(const char* key, DataType* value) final {
+    if (!value->is_void()) {
+      SetNodeAttr(key, {runtime::DLDataType2String(*value)});
+    } else {
+      SetNodeAttr(key, {""});
+    }
+  }
+
+  void Visit(const char* key, runtime::ObjectRef* value) final {
+    if (const auto* an = (*value).as<ArrayNode>()) {
+      std::vector<std::string> attr;
+      for (size_t i = 0; i < an->size(); ++i) {
+        if (const auto* im = (*an)[i].as<IntImmNode>()) {
+          attr.push_back(std::to_string(im->value));
+        } else if (const auto* fm = (*an)[i].as<FloatImmNode>()) {
+          attr.push_back(Fp2String(fm->value));
+        } else if (const auto* str = (*an)[i].as<StringObj>()) {
+          String s = GetRef<String>(str);
+          attr.push_back(s.operator std::string());

Review comment:
       remove `operator std::string()`




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