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24 | </div> | |
25 | <div class="section"> | |
26 | <div class="titlepage"><div><div><h2 class="title" style="clear: both"> | |
27 | <a name="fiber.performance"></a><a class="link" href="performance.html" title="Performance">Performance</a> | |
28 | </h2></div></div></div> | |
29 | <p> | |
30 | Performance measurements were taken using <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">chrono</span><span class="special">::</span><span class="identifier">highresolution_clock</span></code>, | |
31 | with overhead corrections. The code was compiled using the build options: variant | |
32 | = release, optimization = speed <sup>[<a name="fiber.performance.f0" href="#ftn.fiber.performance.f0" class="footnote">7</a>]</sup>. | |
33 | </p> | |
34 | <p> | |
35 | The columns labeled <span class="bold"><strong>fiber (atomics)</strong></span> were compiled | |
36 | with default fiber synchronization, capable of synchronizing fibers running | |
37 | on different threads. The columns labeled <span class="bold"><strong>fiber (raw)</strong></span> | |
38 | were compiled with <a class="link" href="overview.html#cross_thread_sync"><code class="computeroutput"><span class="identifier">BOOST_FIBERS_NO_ATOMICS</span></code></a>. | |
39 | </p> | |
40 | <div class="table"> | |
41 | <a name="fiber.performance.overhead_of_join__contains_fiber_context_destruction__fiber_stack_deallocation_"></a><p class="title"><b>Table 1.1. Overhead of join (contains fiber-context destruction, fiber-stack deallocation)</b></p> | |
42 | <div class="table-contents"><table class="table" summary="Overhead of join (contains fiber-context destruction, fiber-stack deallocation)"> | |
43 | <colgroup> | |
44 | <col> | |
45 | <col> | |
46 | <col> | |
47 | <col> | |
48 | <col> | |
49 | </colgroup> | |
50 | <thead><tr> | |
51 | <th> | |
52 | <p> | |
53 | thread | |
54 | </p> | |
55 | </th> | |
56 | <th> | |
57 | <p> | |
58 | fiber (atomics) | |
59 | </p> | |
60 | </th> | |
61 | <th> | |
62 | <p> | |
63 | fiber (raw) | |
64 | </p> | |
65 | </th> | |
66 | <th> | |
67 | <p> | |
68 | tbb | |
69 | </p> | |
70 | </th> | |
71 | <th> | |
72 | <p> | |
73 | qthread | |
74 | </p> | |
75 | </th> | |
76 | </tr></thead> | |
77 | <tbody><tr> | |
78 | <td> | |
79 | <p> | |
80 | 18 µs | |
81 | </p> | |
82 | </td> | |
83 | <td> | |
84 | <p> | |
85 | 950 ns | |
86 | </p> | |
87 | </td> | |
88 | <td> | |
89 | <p> | |
90 | 900 ns | |
91 | </p> | |
92 | </td> | |
93 | <td> | |
94 | <p> | |
95 | 570 ns | |
96 | </p> | |
97 | </td> | |
98 | <td> | |
99 | <p> | |
100 | 620 ns | |
101 | </p> | |
102 | </td> | |
103 | </tr></tbody> | |
104 | </table></div> | |
105 | </div> | |
106 | <br class="table-break"><p> | |
107 | (from <a href="../../../performance/fiber/overhead_join.cpp" target="_top">overhead_join.cpp</a>) | |
108 | </p> | |
109 | <div class="table"> | |
110 | <a name="fiber.performance.overhead_of_detach"></a><p class="title"><b>Table 1.2. Overhead of detach</b></p> | |
111 | <div class="table-contents"><table class="table" summary="Overhead of detach"> | |
112 | <colgroup> | |
113 | <col> | |
114 | <col> | |
115 | <col> | |
116 | </colgroup> | |
117 | <thead><tr> | |
118 | <th> | |
119 | <p> | |
120 | thread | |
121 | </p> | |
122 | </th> | |
123 | <th> | |
124 | <p> | |
125 | fiber (atomics) | |
126 | </p> | |
127 | </th> | |
128 | <th> | |
129 | <p> | |
130 | fiber (raw) | |
131 | </p> | |
132 | </th> | |
133 | </tr></thead> | |
134 | <tbody><tr> | |
135 | <td> | |
136 | <p> | |
137 | 126 ns | |
138 | </p> | |
139 | </td> | |
140 | <td> | |
141 | <p> | |
142 | 21 ns | |
143 | </p> | |
144 | </td> | |
145 | <td> | |
146 | <p> | |
147 | 20 ns | |
148 | </p> | |
149 | </td> | |
150 | </tr></tbody> | |
151 | </table></div> | |
152 | </div> | |
153 | <br class="table-break"><p> | |
154 | (from <a href="../../../performance/fiber/overhead_detach.cpp" target="_top">overhead_detach.cpp</a>) | |
155 | </p> | |
156 | <div class="table"> | |
157 | <a name="fiber.performance.overhead_of_yield"></a><p class="title"><b>Table 1.3. Overhead of yield</b></p> | |
158 | <div class="table-contents"><table class="table" summary="Overhead of yield"> | |
159 | <colgroup> | |
160 | <col> | |
161 | <col> | |
162 | <col> | |
163 | </colgroup> | |
164 | <thead><tr> | |
165 | <th> | |
166 | <p> | |
167 | thread | |
168 | </p> | |
169 | </th> | |
170 | <th> | |
171 | <p> | |
172 | fiber (atomics) | |
173 | </p> | |
174 | </th> | |
175 | <th> | |
176 | <p> | |
177 | fiber (raw) | |
178 | </p> | |
179 | </th> | |
180 | </tr></thead> | |
181 | <tbody><tr> | |
182 | <td> | |
183 | <p> | |
184 | 1.5 µs | |
185 | </p> | |
186 | </td> | |
187 | <td> | |
188 | <p> | |
189 | 310 ns | |
190 | </p> | |
191 | </td> | |
192 | <td> | |
193 | <p> | |
194 | 330 ns | |
195 | </p> | |
196 | </td> | |
197 | </tr></tbody> | |
198 | </table></div> | |
199 | </div> | |
200 | <br class="table-break"><p> | |
201 | (from <a href="../../../performance/fiber/overhead_yield.cpp" target="_top">overhead_yield.cpp</a>) | |
202 | </p> | |
203 | <div class="table"> | |
204 | <a name="fiber.performance.overhead_of_waiting_on_a_future"></a><p class="title"><b>Table 1.4. Overhead of waiting on a future</b></p> | |
205 | <div class="table-contents"><table class="table" summary="Overhead of waiting on a future"> | |
206 | <colgroup> | |
207 | <col> | |
208 | <col> | |
209 | <col> | |
210 | </colgroup> | |
211 | <thead><tr> | |
212 | <th> | |
213 | <p> | |
214 | thread | |
215 | </p> | |
216 | </th> | |
217 | <th> | |
218 | <p> | |
219 | fiber (atomics) | |
220 | </p> | |
221 | </th> | |
222 | <th> | |
223 | <p> | |
224 | fiber (raw) | |
225 | </p> | |
226 | </th> | |
227 | </tr></thead> | |
228 | <tbody><tr> | |
229 | <td> | |
230 | <p> | |
231 | 16 µs | |
232 | </p> | |
233 | </td> | |
234 | <td> | |
235 | <p> | |
236 | 1.40 µs | |
237 | </p> | |
238 | </td> | |
239 | <td> | |
240 | <p> | |
241 | 1.38 µs | |
242 | </p> | |
243 | </td> | |
244 | </tr></tbody> | |
245 | </table></div> | |
246 | </div> | |
247 | <br class="table-break"><p> | |
248 | (from <a href="../../../performance/fiber/overhead_future.cpp" target="_top">overhead_future.cpp</a>) | |
249 | </p> | |
250 | <div class="table"> | |
251 | <a name="fiber.performance.overhead_of_fiber_creation__contains_fiber_stack_allocation_and_preparation__fiber_context_construction__scheduler_handling_"></a><p class="title"><b>Table 1.5. Overhead of fiber creation (contains fiber-stack allocation and preparation, | |
252 | fiber-context construction, scheduler handling)</b></p> | |
253 | <div class="table-contents"><table class="table" summary="Overhead of fiber creation (contains fiber-stack allocation and preparation, | |
254 | fiber-context construction, scheduler handling)"> | |
255 | <colgroup> | |
256 | <col> | |
257 | <col> | |
258 | <col> | |
259 | </colgroup> | |
260 | <thead><tr> | |
261 | <th> | |
262 | <p> | |
263 | thread | |
264 | </p> | |
265 | </th> | |
266 | <th> | |
267 | <p> | |
268 | fiber (atomics) | |
269 | </p> | |
270 | </th> | |
271 | <th> | |
272 | <p> | |
273 | fiber (raw) | |
274 | </p> | |
275 | </th> | |
276 | </tr></thead> | |
277 | <tbody><tr> | |
278 | <td> | |
279 | <p> | |
280 | 18 µs | |
281 | </p> | |
282 | </td> | |
283 | <td> | |
284 | <p> | |
285 | 450 ns | |
286 | </p> | |
287 | </td> | |
288 | <td> | |
289 | <p> | |
290 | 445 ns | |
291 | </p> | |
292 | </td> | |
293 | </tr></tbody> | |
294 | </table></div> | |
295 | </div> | |
296 | <br class="table-break"><p> | |
297 | (from <a href="../../../performance/fiber/overhead_create.cpp" target="_top">overhead_create.cpp</a>) | |
298 | </p> | |
299 | <div class="table"> | |
300 | <a name="fiber.performance.scaling_of_creating_and_joining"></a><p class="title"><b>Table 1.6. Scaling of creating and joining</b></p> | |
301 | <div class="table-contents"><table class="table" summary="Scaling of creating and joining"> | |
302 | <colgroup> | |
303 | <col> | |
304 | <col> | |
305 | <col> | |
306 | <col> | |
307 | </colgroup> | |
308 | <thead><tr> | |
309 | <th> | |
310 | <p> | |
311 | average of | |
312 | </p> | |
313 | </th> | |
314 | <th> | |
315 | <p> | |
316 | thread | |
317 | </p> | |
318 | </th> | |
319 | <th> | |
320 | <p> | |
321 | fiber (atomics) | |
322 | </p> | |
323 | </th> | |
324 | <th> | |
325 | <p> | |
326 | fiber (raw) | |
327 | </p> | |
328 | </th> | |
329 | </tr></thead> | |
330 | <tbody> | |
331 | <tr> | |
332 | <td> | |
333 | <p> | |
334 | 10 | |
335 | </p> | |
336 | </td> | |
337 | <td> | |
338 | <p> | |
339 | 8.21 µs | |
340 | </p> | |
341 | </td> | |
342 | <td> | |
343 | <p> | |
344 | 1.96 µs | |
345 | </p> | |
346 | </td> | |
347 | <td> | |
348 | <p> | |
349 | 1.85 µs | |
350 | </p> | |
351 | </td> | |
352 | </tr> | |
353 | <tr> | |
354 | <td> | |
355 | <p> | |
356 | 50 | |
357 | </p> | |
358 | </td> | |
359 | <td> | |
360 | <p> | |
361 | 6.67 µs | |
362 | </p> | |
363 | </td> | |
364 | <td> | |
365 | <p> | |
366 | 1.40 µs | |
367 | </p> | |
368 | </td> | |
369 | <td> | |
370 | <p> | |
371 | 1.27 µs | |
372 | </p> | |
373 | </td> | |
374 | </tr> | |
375 | <tr> | |
376 | <td> | |
377 | <p> | |
378 | 100 | |
379 | </p> | |
380 | </td> | |
381 | <td> | |
382 | <p> | |
383 | 6.79 µs | |
384 | </p> | |
385 | </td> | |
386 | <td> | |
387 | <p> | |
388 | 1.84 µs | |
389 | </p> | |
390 | </td> | |
391 | <td> | |
392 | <p> | |
393 | 1.81 µs | |
394 | </p> | |
395 | </td> | |
396 | </tr> | |
397 | <tr> | |
398 | <td> | |
399 | <p> | |
400 | 500 | |
401 | </p> | |
402 | </td> | |
403 | <td> | |
404 | <p> | |
405 | 8.25 µs | |
406 | </p> | |
407 | </td> | |
408 | <td> | |
409 | <p> | |
410 | 1.13 µs | |
411 | </p> | |
412 | </td> | |
413 | <td> | |
414 | <p> | |
415 | 1.10 µs | |
416 | </p> | |
417 | </td> | |
418 | </tr> | |
419 | <tr> | |
420 | <td> | |
421 | <p> | |
422 | 1000 | |
423 | </p> | |
424 | </td> | |
425 | <td> | |
426 | <p> | |
427 | 7.71 µs | |
428 | </p> | |
429 | </td> | |
430 | <td> | |
431 | <p> | |
432 | 1.46 µs | |
433 | </p> | |
434 | </td> | |
435 | <td> | |
436 | <p> | |
437 | 1.26 µs | |
438 | </p> | |
439 | </td> | |
440 | </tr> | |
441 | <tr> | |
442 | <td> | |
443 | <p> | |
444 | 5000 | |
445 | </p> | |
446 | </td> | |
447 | <td> | |
448 | <p> | |
449 | 5.67 µs | |
450 | </p> | |
451 | </td> | |
452 | <td> | |
453 | <p> | |
454 | 2.11 µs | |
455 | </p> | |
456 | </td> | |
457 | <td> | |
458 | <p> | |
459 | 1.90 µs | |
460 | </p> | |
461 | </td> | |
462 | </tr> | |
463 | <tr> | |
464 | <td> | |
465 | <p> | |
466 | 10000 | |
467 | </p> | |
468 | </td> | |
469 | <td> | |
470 | <p> | |
471 | 5.25 µs | |
472 | </p> | |
473 | </td> | |
474 | <td> | |
475 | <p> | |
476 | 2.36 µs | |
477 | </p> | |
478 | </td> | |
479 | <td> | |
480 | <p> | |
481 | 1.89 µs | |
482 | </p> | |
483 | </td> | |
484 | </tr> | |
485 | </tbody> | |
486 | </table></div> | |
487 | </div> | |
488 | <br class="table-break"><p> | |
489 | (from <a href="../../../performance/fiber/scale_join.cpp" target="_top">scale_join.cpp</a>) | |
490 | </p> | |
491 | <p> | |
492 | Numbers of the <a href="https://github.com/atemerev/skynet" target="_top">microbenchmark | |
493 | <span class="emphasis"><em>syknet</em></span></a> from Alexander Temerev <sup>[<a name="fiber.performance.f1" href="#ftn.fiber.performance.f1" class="footnote">8</a>]</sup>: | |
494 | </p> | |
495 | <div class="table"> | |
496 | <a name="fiber.performance.performance_of_n_100000_actors_goroutines_fibers"></a><p class="title"><b>Table 1.7. performance of N=100000 actors/goroutines/fibers</b></p> | |
497 | <div class="table-contents"><table class="table" summary="performance of N=100000 actors/goroutines/fibers"> | |
498 | <colgroup> | |
499 | <col> | |
500 | <col> | |
501 | <col> | |
502 | <col> | |
503 | <col> | |
504 | </colgroup> | |
505 | <thead><tr> | |
506 | <th> | |
507 | <p> | |
508 | Haskell | stack-1.0.4 | |
509 | </p> | |
510 | </th> | |
511 | <th> | |
512 | <p> | |
513 | fiber (single threaded/raw) | gcc-5.2.1 | |
514 | </p> | |
515 | </th> | |
516 | <th> | |
517 | <p> | |
518 | fiber (single threaded/atomics) | gcc-5.2.1 | |
519 | </p> | |
520 | </th> | |
521 | <th> | |
522 | <p> | |
523 | Erlang | erts-7.0 | |
524 | </p> | |
525 | </th> | |
526 | <th> | |
527 | <p> | |
528 | Go | go1.4.2 | |
529 | </p> | |
530 | </th> | |
531 | </tr></thead> | |
532 | <tbody><tr> | |
533 | <td> | |
534 | <p> | |
535 | 58ms - 108ms | |
536 | </p> | |
537 | </td> | |
538 | <td> | |
539 | <p> | |
540 | 205ms - 263ms | |
541 | </p> | |
542 | </td> | |
543 | <td> | |
544 | <p> | |
545 | 221ms - 278ms | |
546 | </p> | |
547 | </td> | |
548 | <td> | |
549 | <p> | |
550 | 237ms- 470ms | |
551 | </p> | |
552 | </td> | |
553 | <td> | |
554 | <p> | |
555 | 614ms - 883ms | |
556 | </p> | |
557 | </td> | |
558 | </tr></tbody> | |
559 | </table></div> | |
560 | </div> | |
561 | <br class="table-break"><div class="footnotes"> | |
562 | <br><hr width="100" align="left"> | |
563 | <div class="footnote"><p><sup>[<a name="ftn.fiber.performance.f0" href="#fiber.performance.f0" class="para">7</a>] </sup> | |
564 | Intel Core2 Q6700, x86_64, 3GHz | |
565 | </p></div> | |
566 | <div class="footnote"><p><sup>[<a name="ftn.fiber.performance.f1" href="#fiber.performance.f1" class="para">8</a>] </sup> | |
567 | Intel Core2 Q6700, x86_64, 3GHz | |
568 | </p></div> | |
569 | </div> | |
570 | </div> | |
571 | <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> | |
572 | <td align="left"></td> | |
573 | <td align="right"><div class="copyright-footer">Copyright © 2013 Oliver Kowalke<p> | |
574 | Distributed under the Boost Software License, Version 1.0. (See accompanying | |
575 | file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) | |
576 | </p> | |
577 | </div></td> | |
578 | </tr></table> | |
579 | <hr> | |
580 | <div class="spirit-nav"> | |
581 | <a accesskey="p" href="integration/deeper_dive_into___boost_asio__.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../index.html"><img src="../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../index.html"><img src="../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="custom.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a> | |
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