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[ceph.git] / ceph / src / boost / libs / variant2 / benchmark / benchmark1.md
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TL		 1# benchmark1.cpp results
2
3## VS 2017 15.9.7 64 bit (cl.exe 19.16, /EHsc /std:c++17)
4
5### /Od
6
7#### Compile time
8
9```
10 variant2 (-DONLY_V2): 1837 ms
11boost::variant (-DONLY_BV): 2627 ms
12 std::variant (-DONLY_SV): 1425 ms
13```
14
15#### Run time
16
17```
18N=100000000:
19 double: 9041 ms; S=7.14286e+14
20 variant2: 48367 ms; S=7.14286e+14
21boost::variant: 102776 ms; S=7.14286e+14
22 std::variant: 40590 ms; S=7.14286e+14
23
24N=100000000:
25 double: 9029 ms; S=7.14286e+14
26 variant2: 92962 ms; S=7.14286e+14
27boost::variant: 110441 ms; S=7.14286e+14
28 std::variant: 92974 ms; S=7.14286e+14
29```
30
31### /O2 /DNDEBUG
32
33#### Compile time
34
35```
36 variant2 (-DONLY_V2): 2571 ms
37boost::variant (-DONLY_BV): 3335 ms
38 std::variant (-DONLY_SV): 1903 ms
39```
40
41#### Run time
42
43```
44N=100000000:
45 double: 1949 ms; S=7.14286e+14
46 variant2: 4176 ms; S=7.14286e+14
47boost::variant: 11312 ms; S=7.14286e+14
48 std::variant: 4617 ms; S=7.14286e+14
49
50N=100000000:
51 double: 1949 ms; S=7.14286e+14
52 variant2: 11807 ms; S=7.14286e+14
53boost::variant: 15632 ms; S=7.14286e+14
54 std::variant: 10725 ms; S=7.14286e+14
55```
56
57## g++ 7.4.0 -std=c++17 (Cygwin 64 bit)
58
59### -O0
60
61#### Compile time
62
63```
64 variant2 (-DONLY_V2): 2734 ms
65boost::variant (-DONLY_BV): 4308 ms
66 std::variant (-DONLY_SV): 2298 ms
67```
68
69#### Run time
70
71```
72N=100000000:
73 double: 3620 ms; S=7.14286e+14
74 variant2: 29214 ms; S=7.14286e+14
75boost::variant: 88492 ms; S=7.14286e+14
76 std::variant: 39510 ms; S=7.14286e+14
77
78N=100000000:
79 double: 3642 ms; S=7.14286e+14
80 variant2: 75822 ms; S=7.14286e+14
81boost::variant: 96680 ms; S=7.14286e+14
82 std::variant: 66411 ms; S=7.14286e+14
83```
84
85### -O1
86
87#### Compile time
88
89```
90 variant2 (-DONLY_V2): 2103 ms
91boost::variant (-DONLY_BV): 3398 ms
92 std::variant (-DONLY_SV): 1841 ms
93```
94
95#### Run time
96
97```
98N=100000000:
99 double: 1576 ms; S=7.14286e+14
100 variant2: 3424 ms; S=7.14286e+14
101boost::variant: 4356 ms; S=7.14286e+14
102 std::variant: 3764 ms; S=7.14286e+14
103
104N=100000000:
105 double: 1582 ms; S=7.14286e+14
106 variant2: 9062 ms; S=7.14286e+14
107boost::variant: 9603 ms; S=7.14286e+14
108 std::variant: 8825 ms; S=7.14286e+14
109```
110
111### -O2 -DNDEBUG
112
113#### Compile time
114
115```
116 variant2 (-DONLY_V2): 2276 ms
117boost::variant (-DONLY_BV): 3647 ms
118 std::variant (-DONLY_SV): 2111 ms
119```
120
121#### Run time
122
123```
124N=100000000:
125 double: 1643 ms; S=7.14286e+14
126 variant2: 3070 ms; S=7.14286e+14
127boost::variant: 3385 ms; S=7.14286e+14
128 std::variant: 3880 ms; S=7.14286e+14
129
130N=100000000:
131 double: 1622 ms; S=7.14286e+14
132 variant2: 8101 ms; S=7.14286e+14
133boost::variant: 8611 ms; S=7.14286e+14
134 std::variant: 8694 ms; S=7.14286e+14
135```
136
137### -O3 -DNDEBUG
138
139#### Compile time
140
141```
142 variant2 (-DONLY_V2): 2390 ms
143boost::variant (-DONLY_BV): 3768 ms
144 std::variant (-DONLY_SV): 2094 ms
145```
146
147#### Run time
148
149```
150N=100000000:
151 double: 1611 ms; S=7.14286e+14
152 variant2: 2975 ms; S=7.14286e+14
153boost::variant: 3232 ms; S=7.14286e+14
154 std::variant: 3726 ms; S=7.14286e+14
155
156N=100000000:
157 double: 1603 ms; S=7.14286e+14
158 variant2: 8157 ms; S=7.14286e+14
159boost::variant: 8419 ms; S=7.14286e+14
160 std::variant: 8659 ms; S=7.14286e+14
161```
162
163## clang++ 5.0.1 -std=c++17 -stdlib=libc++ (Cygwin 64 bit)
164
165### -O0
166
167#### Compile time
168
169```
170 variant2 (-DONLY_V2): 2190 ms
171boost::variant (-DONLY_BV): 3537 ms
172 std::variant (-DONLY_SV): 2151 ms
173```
174
175#### Run time
176
177```
178N=100000000:
179 double: 6063 ms; S=7.14286e+14
180 variant2: 23616 ms; S=7.14286e+14
181boost::variant: 92730 ms; S=7.14286e+14
182 std::variant: 23160 ms; S=7.14286e+14
183
184N=100000000:
185 double: 6054 ms; S=7.14286e+14
186 variant2: 52738 ms; S=7.14286e+14
187boost::variant: 96896 ms; S=7.14286e+14
188 std::variant: 72595 ms; S=7.14286e+14
189```
190
191### -O1
192
193#### Compile time
194
195```
196 variant2 (-DONLY_V2): 2722 ms
197boost::variant (-DONLY_BV): 4337 ms
198 std::variant (-DONLY_SV): 2697 ms
199```
200
201#### Run time
202
203```
204N=100000000:
205 double: 2171 ms; S=7.14286e+14
206 variant2: 9280 ms; S=7.14286e+14
207boost::variant: 51478 ms; S=7.14286e+14
208 std::variant: 5642 ms; S=7.14286e+14
209
210N=100000000:
211 double: 2171 ms; S=7.14286e+14
212 variant2: 22166 ms; S=7.14286e+14
213boost::variant: 54084 ms; S=7.14286e+14
214 std::variant: 14330 ms; S=7.14286e+14
215```
216
217### -O2 -DNDEBUG
218
219#### Compile time
220
221```
222 variant2 (-DONLY_V2): 2499 ms
223boost::variant (-DONLY_BV): 3826 ms
224 std::variant (-DONLY_SV): 2645 ms
225```
226
227#### Run time
228
229```
230N=100000000:
231 double: 1604 ms; S=7.14286e+14
232 variant2: 2726 ms; S=7.14286e+14
233boost::variant: 6662 ms; S=7.14286e+14
234 std::variant: 3869 ms; S=7.14286e+14
235
236N=100000000:
237 double: 1598 ms; S=7.14286e+14
238 variant2: 8136 ms; S=7.14286e+14
239boost::variant: 9236 ms; S=7.14286e+14
240 std::variant: 6279 ms; S=7.14286e+14
241```
242
243### -O3 -DNDEBUG
244
245#### Compile time
246
247```
248 variant2 (-DONLY_V2): 2509 ms
249boost::variant (-DONLY_BV): 3845 ms
250 std::variant (-DONLY_SV): 2638 ms
251```
252
253#### Run time
254
255```
256N=100000000:
257 double: 1592 ms; S=7.14286e+14
258 variant2: 2697 ms; S=7.14286e+14
259boost::variant: 6648 ms; S=7.14286e+14
260 std::variant: 3826 ms; S=7.14286e+14
261
262N=100000000:
263 double: 1614 ms; S=7.14286e+14
264 variant2: 8035 ms; S=7.14286e+14
265boost::variant: 9221 ms; S=7.14286e+14
266 std::variant: 6319 ms; S=7.14286e+14
267```
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