1# Licensed to the Apache Software Foundation (ASF) under one
2# or more contributor license agreements.  See the NOTICE file
3# distributed with this work for additional information
4# regarding copyright ownership.  The ASF licenses this file
5# to you under the Apache License, Version 2.0 (the
6# "License"); you may not use this file except in compliance
7# with the License.  You may obtain a copy of the License at
8#
9#   http://www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing,
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14# KIND, either express or implied.  See the License for the
15# specific language governing permissions and limitations
16# under the License.
17"""Common utility for topi test"""
18
19from tvm import autotvm
20from tvm.autotvm.task.space import FallbackConfigEntity
21
22
23def get_all_backend():
24    """return all supported target
25
26    Returns
27    -------
28    targets: list
29        A list of all supported targets
30    """
31    return ['llvm', 'cuda', 'opencl', 'metal', 'rocm', 'vulkan', 'nvptx',
32            'llvm -device=arm_cpu', 'opencl -device=mali', 'aocl_sw_emu']
33
34
35class Int8Fallback(autotvm.FallbackContext):
36    def _query_inside(self, target, workload):
37        key = (target, workload)
38        if key in self.memory:
39            return self.memory[key]
40        cfg = FallbackConfigEntity()
41        cfg.template_key = 'int8'
42        self.memory[key] = cfg
43        cfg.is_fallback = False
44        return cfg
45