1 | #include <fstream> |
---|
2 | #include <monitor> |
---|
3 | #include <stdlib> |
---|
4 | #include <thread> |
---|
5 | |
---|
6 | #include "bench.h" |
---|
7 | |
---|
8 | coroutine GreatSuspender {}; |
---|
9 | |
---|
10 | void ?{}( GreatSuspender & this ) { |
---|
11 | prime(this); |
---|
12 | } |
---|
13 | |
---|
14 | void main( GreatSuspender & this ) |
---|
15 | { |
---|
16 | while( true ) { |
---|
17 | suspend(); |
---|
18 | } |
---|
19 | } |
---|
20 | |
---|
21 | void resumer( GreatSuspender * this, const unsigned int NoOfTimes ) { |
---|
22 | for ( volatile unsigned int i = 0; i < NoOfTimes; i += 1 ) { |
---|
23 | resume( *this ); |
---|
24 | } |
---|
25 | } |
---|
26 | |
---|
27 | //----------------------------------------------------------------------------- |
---|
28 | // coroutine context switch |
---|
29 | long long int measure_coroutine() { |
---|
30 | const unsigned int NoOfTimes = 50000000; |
---|
31 | long long int StartTime, EndTime; |
---|
32 | |
---|
33 | GreatSuspender s; |
---|
34 | |
---|
35 | StartTime = Time(); |
---|
36 | resumer( &s, NoOfTimes ); |
---|
37 | EndTime = Time(); |
---|
38 | |
---|
39 | return ( EndTime - StartTime ) / NoOfTimes; |
---|
40 | } |
---|
41 | |
---|
42 | //----------------------------------------------------------------------------- |
---|
43 | // thread context switch |
---|
44 | long long int measure_thread() { |
---|
45 | const unsigned int NoOfTimes = 50000000; |
---|
46 | long long int StartTime, EndTime; |
---|
47 | |
---|
48 | StartTime = Time(); |
---|
49 | for ( volatile unsigned int i = 0; i < NoOfTimes; i += 1 ) { |
---|
50 | yield(); |
---|
51 | } |
---|
52 | EndTime = Time(); |
---|
53 | |
---|
54 | return ( EndTime - StartTime ) / NoOfTimes; |
---|
55 | } |
---|
56 | |
---|
57 | //----------------------------------------------------------------------------- |
---|
58 | // single monitor entry |
---|
59 | monitor mon_t {}; |
---|
60 | void dummy( mon_t & mutex m ) {} |
---|
61 | |
---|
62 | long long int measure_1_monitor_entry() { |
---|
63 | const unsigned int NoOfTimes = 5000000; |
---|
64 | long long int StartTime, EndTime; |
---|
65 | mon_t mon; |
---|
66 | |
---|
67 | StartTime = Time(); |
---|
68 | for ( volatile unsigned int i = 0; i < NoOfTimes; i += 1 ) { |
---|
69 | dummy( mon ); |
---|
70 | } |
---|
71 | EndTime = Time(); |
---|
72 | |
---|
73 | return ( EndTime - StartTime ) / NoOfTimes; |
---|
74 | } |
---|
75 | |
---|
76 | //----------------------------------------------------------------------------- |
---|
77 | // multi monitor entry |
---|
78 | void dummy( mon_t & mutex m1, mon_t & mutex m2 ) {} |
---|
79 | |
---|
80 | long long int measure_2_monitor_entry() { |
---|
81 | const unsigned int NoOfTimes = 5000000; |
---|
82 | long long int StartTime, EndTime; |
---|
83 | mon_t mon1, mon2; |
---|
84 | |
---|
85 | StartTime = Time(); |
---|
86 | for ( volatile unsigned int i = 0; i < NoOfTimes; i += 1 ) { |
---|
87 | dummy( mon1, mon2 ); |
---|
88 | } |
---|
89 | EndTime = Time(); |
---|
90 | |
---|
91 | return ( EndTime - StartTime ) / NoOfTimes; |
---|
92 | } |
---|
93 | |
---|
94 | //----------------------------------------------------------------------------- |
---|
95 | // single internal sched entry |
---|
96 | const unsigned int NoOfTimes = 500000; |
---|
97 | |
---|
98 | mon_t mon1; |
---|
99 | |
---|
100 | condition cond1a; |
---|
101 | condition cond1b; |
---|
102 | |
---|
103 | thread thrd1a { long long int * out; }; |
---|
104 | thread thrd1b {}; |
---|
105 | |
---|
106 | void ?{}( thrd1a & this, long long int * out ) { |
---|
107 | this.out = out; |
---|
108 | } |
---|
109 | |
---|
110 | void side1A( mon_t & mutex a, long long int * out ) { |
---|
111 | const unsigned int NoOfTimes = 500000; |
---|
112 | long long int StartTime, EndTime; |
---|
113 | |
---|
114 | StartTime = Time(); |
---|
115 | for( int i = 0;; i++ ) { |
---|
116 | signal(cond1a); |
---|
117 | if( i > NoOfTimes ) break; |
---|
118 | wait(cond1b); |
---|
119 | } |
---|
120 | EndTime = Time(); |
---|
121 | |
---|
122 | *out = ( EndTime - StartTime ) / NoOfTimes; |
---|
123 | } |
---|
124 | |
---|
125 | void side1B( mon_t & mutex a ) { |
---|
126 | for( int i = 0;; i++ ) { |
---|
127 | signal(cond1b); |
---|
128 | if( i > N ) break; |
---|
129 | wait(cond1a); |
---|
130 | } |
---|
131 | } |
---|
132 | |
---|
133 | void main( thrd1a & this ) { side1A( mon1, this.out ); } |
---|
134 | void main( thrd1b & this ) { side1B( mon1 ); } |
---|
135 | |
---|
136 | long long int measure_1_sched_int() { |
---|
137 | long long int t; |
---|
138 | { |
---|
139 | thrd1a a = { &t }; |
---|
140 | thrd1b b; |
---|
141 | } |
---|
142 | return t; |
---|
143 | } |
---|
144 | |
---|
145 | //----------------------------------------------------------------------------- |
---|
146 | // multi internal sched |
---|
147 | mon_t mon2; |
---|
148 | |
---|
149 | condition cond2a; |
---|
150 | condition cond2b; |
---|
151 | |
---|
152 | thread thrd2a { long long int * out; }; |
---|
153 | thread thrd2b {}; |
---|
154 | |
---|
155 | void ?{}( thrd2a & this, long long int * out ) { |
---|
156 | this.out = out; |
---|
157 | } |
---|
158 | |
---|
159 | void side2A( mon_t & mutex a, mon_t & mutex b, long long int * out ) { |
---|
160 | const unsigned int NoOfTimes = 500000; |
---|
161 | long long int StartTime, EndTime; |
---|
162 | |
---|
163 | StartTime = Time(); |
---|
164 | for( int i = 0;; i++ ) { |
---|
165 | signal(cond2a); |
---|
166 | if( i > NoOfTimes ) break; |
---|
167 | wait(cond2b); |
---|
168 | } |
---|
169 | EndTime = Time(); |
---|
170 | |
---|
171 | *out = ( EndTime - StartTime ) / NoOfTimes; |
---|
172 | } |
---|
173 | |
---|
174 | void side2B( mon_t & mutex a, mon_t & mutex b ) { |
---|
175 | for( int i = 0;; i++ ) { |
---|
176 | signal(cond2b); |
---|
177 | if( i > N ) break; |
---|
178 | wait(cond2a); |
---|
179 | } |
---|
180 | } |
---|
181 | |
---|
182 | void main( thrd2a & this ) { side2A( mon1, mon2, this.out ); } |
---|
183 | void main( thrd2b & this ) { side2B( mon1, mon2 ); } |
---|
184 | |
---|
185 | long long int measure_2_sched_int() { |
---|
186 | long long int t; |
---|
187 | { |
---|
188 | thrd2a a = { &t }; |
---|
189 | thrd2b b; |
---|
190 | } |
---|
191 | return t; |
---|
192 | } |
---|
193 | |
---|
194 | //----------------------------------------------------------------------------- |
---|
195 | // single external sched |
---|
196 | |
---|
197 | volatile int go = 0; |
---|
198 | |
---|
199 | void __attribute__((noinline)) call( mon_t & mutex m1 ) {} |
---|
200 | |
---|
201 | long long int __attribute__((noinline)) wait( mon_t & mutex m1 ) { |
---|
202 | go = 1; |
---|
203 | const unsigned int NoOfTimes = 5000000; |
---|
204 | long long int StartTime, EndTime; |
---|
205 | |
---|
206 | StartTime = Time(); |
---|
207 | for (size_t i = 0; i < NoOfTimes; i++) { |
---|
208 | waitfor(call, m1); |
---|
209 | } |
---|
210 | |
---|
211 | EndTime = Time(); |
---|
212 | go = 0; |
---|
213 | return ( EndTime - StartTime ) / NoOfTimes; |
---|
214 | } |
---|
215 | |
---|
216 | thread thrd3 {}; |
---|
217 | void ^?{}( thrd3 & mutex this ) {} |
---|
218 | void main( thrd3 & this ) { |
---|
219 | while(go == 0) { yield(); } |
---|
220 | while(go == 1) { call(mon1); } |
---|
221 | |
---|
222 | } |
---|
223 | |
---|
224 | long long int measure_1_sched_ext() { |
---|
225 | go = 0; |
---|
226 | thrd3 t; |
---|
227 | return wait(mon1); |
---|
228 | } |
---|
229 | |
---|
230 | //----------------------------------------------------------------------------- |
---|
231 | // multi external sched |
---|
232 | |
---|
233 | void __attribute__((noinline)) call( mon_t & mutex m1, mon_t & mutex m2 ) {} |
---|
234 | |
---|
235 | long long int __attribute__((noinline)) wait( mon_t & mutex m1, mon_t & mutex m2 ) { |
---|
236 | go = 1; |
---|
237 | const unsigned int NoOfTimes = 5000000; |
---|
238 | long long int StartTime, EndTime; |
---|
239 | |
---|
240 | StartTime = Time(); |
---|
241 | for (size_t i = 0; i < NoOfTimes; i++) { |
---|
242 | waitfor(call, m1, m2); |
---|
243 | } |
---|
244 | |
---|
245 | EndTime = Time(); |
---|
246 | go = 0; |
---|
247 | return ( EndTime - StartTime ) / NoOfTimes; |
---|
248 | } |
---|
249 | |
---|
250 | thread thrd4 {}; |
---|
251 | void ^?{}( thrd4 & mutex this ) {} |
---|
252 | void main( thrd4 & this ) { |
---|
253 | while(go == 0) { yield(); } |
---|
254 | while(go == 1) { call(mon1, mon2); } |
---|
255 | |
---|
256 | } |
---|
257 | |
---|
258 | long long int measure_2_sched_ext() { |
---|
259 | go = 0; |
---|
260 | thrd3 t; |
---|
261 | return wait(mon1, mon2); |
---|
262 | } |
---|
263 | |
---|
264 | //----------------------------------------------------------------------------- |
---|
265 | // main loop |
---|
266 | int main() |
---|
267 | { |
---|
268 | sout | "\tepoch:" | time(NULL) | ',' | endl; |
---|
269 | sout | "\tctxswitch: {" | endl; |
---|
270 | sout | "\t\tcoroutine: "| measure_coroutine() | ',' | endl; |
---|
271 | sout | "\t\tthread:" | measure_thread() | ',' | endl; |
---|
272 | sout | "\t}," | endl; |
---|
273 | sout | "\tmutex: [" | measure_1_monitor_entry() | ',' | measure_2_monitor_entry() | "]," | endl; |
---|
274 | sout | "\tscheduling: ["| measure_1_sched_int() | ',' | measure_2_sched_int() | ',' | |
---|
275 | measure_1_sched_ext() | ',' | measure_2_sched_ext() | "]," | endl; |
---|
276 | } |
---|