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1 /**
2  * Copyright 2020 Huawei Technologies Co., Ltd
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef MINDSPORE_LITE_SRC_KERNEL_REGISTRY_H_
18 #define MINDSPORE_LITE_SRC_KERNEL_REGISTRY_H_
19 
20 #include <string>
21 #include <map>
22 #include <unordered_map>
23 #include <vector>
24 #include <set>
25 #include "src/lite_kernel.h"
26 #include "schema/model_generated.h"
27 
28 using mindspore::kernel::kKernelArch_MAX;
29 using mindspore::kernel::kKernelArch_MIN;
30 using mindspore::schema::PrimitiveType_MAX;
31 using mindspore::schema::PrimitiveType_MIN;
32 
33 namespace mindspore::lite {
34 class KernelRegistry {
35  public:
36   KernelRegistry() = default;
37   virtual ~KernelRegistry();
38 
39   static KernelRegistry *GetInstance();
40   virtual kernel::KernelCreator GetCreator(const kernel::KernelKey &desc);
41   int GetCreatorFuncIndex(kernel::KernelKey desc);
42   void RegKernel(kernel::KernelKey desc, kernel::KernelCreator creator);
43   void RegKernel(kernel::KERNEL_ARCH arch, TypeId data_type, int type, kernel::KernelCreator creator);
44   bool SupportKernel(const kernel::KernelKey &key);
45   int GetKernel(const std::vector<Tensor *> &in_tensors, const std::vector<Tensor *> &out_tensors,
46                 const InnerContext *ctx, const mindspore::Context *ms_ctx, const kernel::KernelKey &key,
47                 OpParameter *op_parameter, kernel::LiteKernel **kernel, const void *primitive = nullptr);
48 
49  protected:
50 #ifndef CUSTOM_KERNEL_REGISTRY_CLIP
51   int GetCustomKernel(const std::vector<Tensor *> &in_tensors, const std::vector<Tensor *> &out_tensors,
52                       const mindspore::Context *ctx, const kernel::KernelKey &key, kernel::LiteKernel **kernel,
53                       const void *primitive = nullptr);
54 #endif
55   static const int device_type_length_{kKernelArch_MAX - kKernelArch_MIN + 1};
56   static const int data_type_length_{kNumberTypeEnd - kNumberTypeBegin + 1};
57   static const int op_type_length_{PrimitiveType_MAX - PrimitiveType_MIN + 1};
58   static const int array_size_{device_type_length_ * data_type_length_ * op_type_length_};
59   kernel::KernelCreator *creator_arrays_ = nullptr;
60 
61  private:
62   void CreatorArraysInit();
63 
64  private:
65   std::mutex lock_;
66 };
67 
68 class KernelRegistrar {
69  public:
KernelRegistrar(const kernel::KernelKey & desc,kernel::KernelCreator creator)70   KernelRegistrar(const kernel::KernelKey &desc, kernel::KernelCreator creator) {
71     KernelRegistry::GetInstance()->RegKernel(desc, creator);
72   }
73   ~KernelRegistrar() = default;
74 
KernelRegistrar(const kernel::KERNEL_ARCH arch,const TypeId data_type,const int op_type,kernel::KernelCreator creator)75   KernelRegistrar(const kernel::KERNEL_ARCH arch, const TypeId data_type, const int op_type,
76                   kernel::KernelCreator creator) {
77     KernelRegistry::GetInstance()->RegKernel(arch, data_type, op_type, creator);
78   }
79 };
80 
81 #define REG_KERNEL(arch, data_type, op_type, kernelCreater) \
82   static KernelRegistrar g_##arch##data_type##op_type##kernelReg(arch, data_type, op_type, kernelCreater);
83 }  // namespace mindspore::lite
84 
85 #endif  // MINDSPORE_LITE_SRC_KERNEL_REGISTRY_H_
86