1/*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19
20/*!
21 * \file src/relay/collage/gather_partition_specs.h
22 * \brief Gather the relevant \p PartitionSpecs from the available \p Targets.
23 */
24#ifndef TVM_RELAY_COLLAGE_GATHER_PARTITION_SPECS_H_
25#define TVM_RELAY_COLLAGE_GATHER_PARTITION_SPECS_H_
26
27#include <tvm/target/compilation_config.h>
28
29#include "./partition_spec.h"
30
31namespace tvm {
32namespace relay {
33namespace collage {
34
35/*!
36 * \brief The 'styles' of BYOC integrations. Used to influence how their corresponding
37 * partition rule is constructed.
38 */
39enum BYOCStyle {
40 /*!
41 * \brief The BYOC patterns pick out 'ideal' candidates directly, either because:
42 * - the BYOC toolchain does not perform any fusion so each matched sub-expression maps 1:1 to a
43 * BYOC-provided operator, or
44 * - the BYOC toolchain does perform fusion, however the patterns have been written to pick out
45 * fusable sub-graphs.
46 */
47 kNoFusionBYOCStyle,
48
49 /*!
50 * \brief The BYOC patterns pick out supported operators, but the BYOC backend may perform
51 * fusion over those operators in much the same way TVM does.
52 */
53 kTVMFusionBYOCStyle,
54
55 /*!
56 * \brief The BYOC patterns pick out supported operators, but the BYOC backend may perform
57 * arbitrary fusion over those operators.
58 */
59 kArbitraryFusionBYOCStyle,
60};
61
62/*!
63 * \brief Returns all the partition specifications gathered from the \p Targets in \p config.
64 */
65Array<PartitionSpec> GatherPartitionSpecs(const CompilationConfig& config);
66
67} // namespace collage
68} // namespace relay
69} // namespace tvm
70
71#endif // TVM_RELAY_COLLAGE_GATHER_PARTITION_SPECS_H_
72