1 files changed, 66 insertions, 0 deletions
diff --git a/compiler/coco/generic/include/coco/IR/PlainWeightContext.h b/compiler/coco/generic/include/coco/IR/PlainWeightContext.h
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+++ b/compiler/coco/generic/include/coco/IR/PlainWeightContext.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * Licensed 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.
+ */
+
+#ifndef __COCO_IR_PLAIN_WEIGHT_CONTEXT_H__
+#define __COCO_IR_PLAIN_WEIGHT_CONTEXT_H__
+
+#include "coco/IR/Bag.h"
+#include "coco/IR/KernelObject.h"
+
+#include "coco/ADT/Span.h"
+
+#include <nncc/core/ADT/kernel/Accessor.h>
+#include <nncc/core/ADT/kernel/Reader.h>
+
+#include <memory>
+
+namespace coco
+{
+
+/**
+ * @brief Non-quantized (plain) Weight Data Accessor
+ */
+template <typename T> struct PlainWeightContext
+{
+  virtual ~PlainWeightContext() = default;
+
+  /**
+   * @brief Allocate a weight space for a given blob
+   *
+   * @require the following code SHOULD work for any bag "b":
+   *   PlainWeightContext<T> ctx;
+   *
+   *   auto span = ctx.allocate(b);
+   *   assert(span.data() != nullptr);
+   *   assert(span.size() == bag->size());
+   */
+  virtual Span<T> allocate(const Bag *) = 0;
+
+  /**
+   * @brief Return a pointer to the underlying storage
+   *
+   * @note weight returns a null-span S for an invalid bag
+   *       i.e S.data() == nullptr and S.size() == 0
+   */
+  virtual Span<T> weight(const Bag *) = 0;
+
+  virtual std::unique_ptr<nncc::core::ADT::kernel::Accessor<T>> access(const KernelObject *) = 0;
+  virtual std::unique_ptr<nncc::core::ADT::kernel::Reader<T>> read(const KernelObject *) const = 0;
+};
+
+} // namespace coco
+
+#endif // __COCO_IR_PLAIN_WEIGHT_CONTEXT_H__