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1 // Copyright (c) 2015, the Dartino project authors. Please see the AUTHORS file | |
2 // for details. All rights reserved. Use of this source code is governed by a | |
3 // BSD-style license that can be found in the LICENSE.md file. | |
4 | |
5 #include <pthread.h> | |
6 #include <sys/time.h> | |
7 | |
8 #include <cstdio> | |
9 | |
10 #include "include/service_api.h" | |
11 #include "include/dartino_api.h" | |
12 | |
13 #include "src/shared/assert.h" | |
14 #include "src/shared/platform.h" | |
15 | |
16 #include "src/vm/thread_pool.h" | |
17 | |
18 #include "cc/performance_service.h" | |
19 | |
20 static pthread_mutex_t mutex; | |
21 static pthread_cond_t cond; | |
22 static int status = 0; | |
23 | |
24 static const int kDone = 1; | |
25 static const int kCallCount = 10000; | |
26 | |
27 static dartino::Monitor* echo_monitor = dartino::Platform::CreateMonitor(); | |
28 static bool echo_async_done = false; | |
29 | |
30 static uint64_t GetMicroseconds() { | |
31 struct timeval tv; | |
32 if (gettimeofday(&tv, NULL) < 0) return -1; | |
33 uint64_t result = tv.tv_sec * 1000000LL; | |
34 result += tv.tv_usec; | |
35 return result; | |
36 } | |
37 | |
38 static void EchoCallback(int result, void* data) { | |
39 if (result < kCallCount) { | |
40 PerformanceService::echoAsync(result + 1, EchoCallback, NULL); | |
41 } else { | |
42 echo_monitor->Lock(); | |
43 echo_async_done = true; | |
44 echo_monitor->Notify(); | |
45 echo_monitor->Unlock(); | |
46 } | |
47 } | |
48 | |
49 static void RunEchoTests() { | |
50 uint64_t start = GetMicroseconds(); | |
51 for (int i = 0; i < kCallCount; i++) { | |
52 int result = PerformanceService::echo(i); | |
53 ASSERT(result == i); | |
54 } | |
55 uint64_t end = GetMicroseconds(); | |
56 int sync_us = static_cast<int>(end - start); | |
57 printf("Sync call took %.2f us.\n", | |
58 static_cast<double>(sync_us) / kCallCount); | |
59 printf(" - %.2f calls/s\n", (1000000.0 / sync_us) * kCallCount); | |
60 | |
61 start = GetMicroseconds(); | |
62 PerformanceService::echoAsync(0, EchoCallback, NULL); | |
63 echo_monitor->Lock(); | |
64 while (!echo_async_done) echo_monitor->Wait(); | |
65 echo_monitor->Unlock(); | |
66 end = GetMicroseconds(); | |
67 int async_us = static_cast<int>(end - start); | |
68 printf("Async call took %.2f us.\n", | |
69 static_cast<double>(async_us) / kCallCount); | |
70 printf(" - %.2f calls/s\n", (1000000.0 / async_us) * kCallCount); | |
71 } | |
72 | |
73 static int CountTreeNodes(TreeNode node) { | |
74 int sum = 1; | |
75 List<TreeNode> children = node.getChildren(); | |
76 for (int i = 0; i < children.length(); i++) { | |
77 sum += CountTreeNodes(children[i]); | |
78 } | |
79 return sum; | |
80 } | |
81 | |
82 static void BuildTree(int n, TreeNodeBuilder node) { | |
83 if (n > 1) { | |
84 List<TreeNodeBuilder> children = node.initChildren(2); | |
85 BuildTree(n - 1, children[0]); | |
86 BuildTree(n - 1, children[1]); | |
87 } | |
88 } | |
89 | |
90 static void RunTreeTests() { | |
91 const int kTreeDepth = 7; | |
92 | |
93 uint64_t start = GetMicroseconds(); | |
94 MessageBuilder builder(8192); | |
95 TreeNodeBuilder built = builder.initRoot<TreeNodeBuilder>(); | |
96 BuildTree(kTreeDepth, built); | |
97 uint64_t end = GetMicroseconds(); | |
98 printf("Building (C++) took %d us.\n", static_cast<int>(end - start)); | |
99 | |
100 start = GetMicroseconds(); | |
101 PerformanceService::countTreeNodes(built); | |
102 end = GetMicroseconds(); | |
103 printf("Counting (Dart) took %d us.\n", static_cast<int>(end - start)); | |
104 | |
105 start = GetMicroseconds(); | |
106 TreeNode generated = PerformanceService::buildTree(kTreeDepth); | |
107 end = GetMicroseconds(); | |
108 printf("Building (Dart) took %d us.\n", static_cast<int>(end - start)); | |
109 | |
110 start = GetMicroseconds(); | |
111 CountTreeNodes(generated); | |
112 end = GetMicroseconds(); | |
113 printf("Counting (C++) took %d us.\n", static_cast<int>(end - start)); | |
114 | |
115 generated.Delete(); | |
116 } | |
117 | |
118 void EchoInThread(void* data) { | |
119 intptr_t value = reinterpret_cast<intptr_t>(data); | |
120 for (int i = 0; i < 64; i++) { | |
121 int result = PerformanceService::echo(value + i); | |
122 ASSERT(result == value + i); | |
123 } | |
124 } | |
125 | |
126 static void RunThreadTests() { | |
127 const int kThreadCount = 32; | |
128 dartino::ThreadPool thread_pool(kThreadCount); | |
129 thread_pool.Start(); | |
130 for (int i = 0; i < kThreadCount; i++) { | |
131 while (!thread_pool.TryStartThread(EchoInThread, | |
132 reinterpret_cast<void*>(i))) { | |
133 } | |
134 } | |
135 thread_pool.JoinAll(); | |
136 } | |
137 | |
138 static void ChangeStatusAndNotify(int new_status) { | |
139 pthread_mutex_lock(&mutex); | |
140 status = new_status; | |
141 pthread_cond_signal(&cond); | |
142 pthread_mutex_unlock(&mutex); | |
143 } | |
144 | |
145 static void WaitForStatus(int expected) { | |
146 pthread_mutex_lock(&mutex); | |
147 while (expected != status) pthread_cond_wait(&cond, &mutex); | |
148 pthread_mutex_unlock(&mutex); | |
149 } | |
150 | |
151 static void* DartThreadEntry(void* arg) { | |
152 const char* path = static_cast<char*>(arg); | |
153 DartinoSetup(); | |
154 DartinoProgram program = DartinoLoadSnapshotFromFile(path); | |
155 if (DartinoRunMain(program, 0, NULL) != 0) { | |
156 FATAL1("Failed to run snapshot: %s\n", path); | |
157 } | |
158 DartinoDeleteProgram(program); | |
159 DartinoTearDown(); | |
160 ChangeStatusAndNotify(kDone); | |
161 return NULL; | |
162 } | |
163 | |
164 static void RunSnapshotInNewThread(char* path) { | |
165 pthread_t thread; | |
166 int result = pthread_create(&thread, NULL, DartThreadEntry, path); | |
167 if (result != 0) { | |
168 perror("Failed to start thread"); | |
169 exit(1); | |
170 } | |
171 } | |
172 | |
173 static void SetupPerformanceTest(int argc, char** argv) { | |
174 pthread_mutex_init(&mutex, NULL); | |
175 pthread_cond_init(&cond, NULL); | |
176 ServiceApiSetup(); | |
177 RunSnapshotInNewThread(argv[1]); | |
178 PerformanceService::setup(); | |
179 } | |
180 | |
181 static void TearDownPerformanceTest() { | |
182 PerformanceService::tearDown(); | |
183 WaitForStatus(kDone); | |
184 ServiceApiTearDown(); | |
185 } | |
186 | |
187 int main(int argc, char** argv) { | |
188 if (argc < 2) { | |
189 printf("Usage: %s <snapshot>\n", argv[0]); | |
190 return 1; | |
191 } | |
192 SetupPerformanceTest(argc, argv); | |
193 RunEchoTests(); | |
194 RunTreeTests(); | |
195 RunThreadTests(); | |
196 TearDownPerformanceTest(); | |
197 return 0; | |
198 } | |
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