1 | /******************************************************************************* |
2 | * Copyright 2020-2022 Intel Corporation |
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 | #include <map> |
18 | #include <set> |
19 | #include <utility> |
20 | |
21 | #include "tests/test_isa_common.hpp" |
22 | |
23 | #include "gtest/gtest.h" |
24 | |
25 | #include "oneapi/dnnl/dnnl.hpp" |
26 | #include "src/cpu/x64/cpu_isa_traits.hpp" |
27 | |
28 | namespace dnnl { |
29 | |
30 | TEST(isa_hints_test_t, TestISAHints) { |
31 | using impl::cpu::x64::cpu_isa_t; |
32 | auto hints = cpu_isa_hints::prefer_ymm; |
33 | |
34 | // Use soft version of mayiuse that allows resetting the cpu_isa_hints |
35 | const bool test_flag = true; |
36 | |
37 | std::map<cpu_isa_t, bool> compat_before_hint; |
38 | |
39 | for (auto isa : cpu_isa_list()) { |
40 | const auto &internal_isa_set = masked_internal_cpu_isa(isa); |
41 | for (auto internal_isa : internal_isa_set) { |
42 | compat_before_hint[internal_isa] = mayiuse(internal_isa, test_flag); |
43 | } |
44 | } |
45 | |
46 | std::map<std::pair<cpu_isa_t, cpu_isa_t>, std::pair<bool, bool>> |
47 | masked_compat_before_hint; |
48 | for (const auto &isa_pair : hints_masked_internal_cpu_isa(hints)) { |
49 | masked_compat_before_hint[isa_pair] |
50 | = {mayiuse(isa_pair.first, test_flag), |
51 | mayiuse(isa_pair.second, test_flag)}; |
52 | } |
53 | |
54 | status st = set_cpu_isa_hints(hints); |
55 | // status::unimplemented if the feature was disabled at compile time |
56 | if (st == status::unimplemented) return; |
57 | |
58 | ASSERT_TRUE(st == status::success); |
59 | |
60 | for (auto isa : cpu_isa_list()) { |
61 | const auto &internal_isa_set = masked_internal_cpu_isa(isa); |
62 | for (auto internal_isa : internal_isa_set) { |
63 | // ISA specific hint will not change the non-hint-complying ISA |
64 | ASSERT_TRUE(compat_before_hint[internal_isa] |
65 | == mayiuse(internal_isa, test_flag)); |
66 | } |
67 | } |
68 | |
69 | for (const auto &isa_pair : hints_masked_internal_cpu_isa(hints)) { |
70 | auto compat_pair = masked_compat_before_hint[isa_pair]; |
71 | // isa_pair = {isa_no_hint, isa_hints} is a pair of two ISA that are |
72 | // only distinguished w.r.t. the CPU ISA hints. Also compat_pair |
73 | // verifies ISA use before the CPU_ISA hints is applied i.e. |
74 | // |
75 | // {compat_pair.frst, compat_pair.second} := |
76 | // { mayiuse(isa_no_hints), mayiuse(isa_hints) } |
77 | |
78 | // CPU_ISA_HINT will not affect the availability of isa_no_hint |
79 | ASSERT_TRUE(mayiuse(isa_pair.first, test_flag) == compat_pair.first); |
80 | // Without proper CPU_ISA_HINT isa_hints will not be available |
81 | ASSERT_FALSE(compat_pair.second); |
82 | |
83 | // With proper CPU_ISA_HINT isa_hints is available if and only if |
84 | // isa_no_hints is available |
85 | ASSERT_TRUE(mayiuse(isa_pair.first, test_flag) |
86 | == mayiuse(isa_pair.second, test_flag)); |
87 | } |
88 | } |
89 | |
90 | } // namespace dnnl |
91 | |