1 /* Copyright 2017 The TensorFlow Authors. All Rights Reserved.
2 
3 Licensed under the Apache License, Version 2.0 (the "License");
4 you may not use this file except in compliance with the License.
5 You may obtain a copy of the License at
6 
7     http://www.apache.org/licenses/LICENSE-2.0
8 
9 Unless required by applicable law or agreed to in writing, software
10 distributed under the License is distributed on an "AS IS" BASIS,
11 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 See the License for the specific language governing permissions and
13 limitations under the License.
14 ==============================================================================*/
15 
16 // Provides definitions needed for use of the TensorFlow XLA
17 // device.
18 
19 #ifndef TENSORFLOW_COMPILER_JIT_DEFS_H_
20 #define TENSORFLOW_COMPILER_JIT_DEFS_H_
21 
22 namespace tensorflow {
23 
24 // Name of attribute used to tag operators for compilation with XLA
25 
26 // Implies must-compile semantics: either it will be compiled
27 // with XLA, or an error will be thrown.
28 extern const char* const kXlaMustCompileAttr;  // "_XlaMustCompile"
29 
30 // Implies auto-clustering: tagged nodes will be clustered and compiled with XLA
31 // on a best-effort basis.
32 extern const char* const kXlaCompileAttr;  // "_XlaCompile"
33 
34 // Implies auto-clustering within the given scope.
35 extern const char* const kXlaScopeAttr;    // "_XlaScope"
36 extern const char* const kXlaInternalScopeAttr;  // "_XlaInternalScope"
37 
38 // The id of the compiled cluster.
39 extern const char* const kXlaClusterIdAttr;  // "_xla_compile_id"
40 
41 }  // namespace tensorflow
42 
43 #endif  // TENSORFLOW_COMPILER_JIT_DEFS_H_
44