1 /**
2 * Copyright (c) 2021-2024 Huawei Device Co., Ltd.
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 #include <gtest/gtest.h>
17
18 #include <vector>
19
20 #include "assembly-parser.h"
21 #include "runtime/include/method.h"
22 #include "runtime/include/runtime.h"
23
24 #include "runtime/compiler.h"
25
26 namespace ark::test {
27
28 class CompilerThreadPoolTest : public testing::Test {
29 public:
30 static const size_t METHOD_COUNT = 32;
CompilerThreadPoolTest()31 CompilerThreadPoolTest()
32 {
33 RuntimeOptions options;
34 options.SetShouldLoadBootPandaFiles(false);
35 options.SetShouldInitializeIntrinsics(false);
36 Runtime::Create(options);
37 thread_ = ark::MTManagedThread::GetCurrent();
38 thread_->ManagedCodeBegin();
39 }
40
SetUp()41 void SetUp() override
42 {
43 #ifndef PANDA_COMPILER_ENABLE
44 GTEST_SKIP();
45 #endif
46 }
47
~CompilerThreadPoolTest()48 ~CompilerThreadPoolTest() override
49 {
50 thread_->ManagedCodeEnd();
51 Runtime::Destroy();
52 }
53
54 NO_COPY_SEMANTIC(CompilerThreadPoolTest);
55 NO_MOVE_SEMANTIC(CompilerThreadPoolTest);
56
57 private:
58 ark::MTManagedThread *thread_;
59 };
60
GetMethod(Class * klass,size_t num)61 Method *GetMethod(Class *klass, size_t num)
62 {
63 PandaStringStream ss;
64 ss << "f" << num;
65 Method *method = klass->GetDirectMethod(utf::CStringAsMutf8(ss.str().c_str()));
66 return method;
67 }
68
GetClass()69 Class *GetClass()
70 {
71 pandasm::Parser p;
72
73 PandaStringStream ss;
74
75 for (size_t i = 0; i < CompilerThreadPoolTest::METHOD_COUNT; i++) {
76 ss << ".function void f" << i << "() {" << std::endl;
77 ss << " return.void" << std::endl;
78 ss << "}" << std::endl;
79 }
80
81 auto source = ss.str();
82 // NOLINTNEXTLINE(readability-redundant-string-cstr)
83 auto res = p.Parse(source.c_str());
84 auto pf = pandasm::AsmEmitter::Emit(res.Value());
85
86 ClassLinker *classLinker = Runtime::GetCurrent()->GetClassLinker();
87 classLinker->AddPandaFile(std::move(pf));
88
89 PandaString descriptor;
90
91 return classLinker->GetExtension(panda_file::SourceLang::PANDA_ASSEMBLY)
92 ->GetClass(ClassHelper::GetDescriptor(utf::CStringAsMutf8("_GLOBAL"), &descriptor));
93 }
94
CompileMethods(int initialNumberOfThreads,size_t scaledNumberOfThreads)95 void CompileMethods(int initialNumberOfThreads, size_t scaledNumberOfThreads)
96 {
97 auto *klass = GetClass();
98 ASSERT_NE(klass, nullptr);
99
100 auto *compiler = static_cast<Compiler *>(PandaVM::GetCurrent()->GetCompiler());
101
102 compiler->ScaleThreadPool(initialNumberOfThreads);
103
104 for (size_t i = 0; i < CompilerThreadPoolTest::METHOD_COUNT; i++) {
105 Method *method = GetMethod(klass, i);
106 ASSERT_NE(method, nullptr);
107 compiler->CompileMethod(method, i, false, TaggedValue::Hole());
108 }
109
110 compiler->ScaleThreadPool(scaledNumberOfThreads);
111
112 for (;;) {
113 bool isCompleted = true;
114 for (size_t i = 0; i < CompilerThreadPoolTest::METHOD_COUNT; i++) {
115 Method *method = GetMethod(klass, i);
116 if (method->GetCompilationStatus() == Method::NOT_COMPILED) {
117 // In case queue was full.
118 compiler->CompileMethod(method, i, false, TaggedValue::Hole());
119 }
120 if (method->GetCompilationStatus() != Method::COMPILED) {
121 isCompleted = false;
122 }
123 }
124 if (isCompleted) {
125 break;
126 }
127 }
128 }
129
TEST_F(CompilerThreadPoolTest,SeveralThreads)130 TEST_F(CompilerThreadPoolTest, SeveralThreads)
131 {
132 constexpr size_t NUMBER_OF_THREADS = 8;
133 CompileMethods(NUMBER_OF_THREADS, NUMBER_OF_THREADS);
134 }
135
TEST_F(CompilerThreadPoolTest,ReduceThreads)136 TEST_F(CompilerThreadPoolTest, ReduceThreads)
137 {
138 constexpr size_t NUMBER_OF_THREADS = 8;
139 constexpr size_t NUMBER_OF_THREADS_SCALED = 4;
140 CompileMethods(NUMBER_OF_THREADS, NUMBER_OF_THREADS_SCALED);
141 }
142
TEST_F(CompilerThreadPoolTest,IncreaseThreads)143 TEST_F(CompilerThreadPoolTest, IncreaseThreads)
144 {
145 constexpr size_t NUMBER_OF_THREADS = 4;
146 constexpr size_t NUMBER_OF_THREADS_SCALED = 8;
147 CompileMethods(NUMBER_OF_THREADS, NUMBER_OF_THREADS_SCALED);
148 }
149
150 } // namespace ark::test
151