1//
2// Copyright 2005-2007 Adobe Systems Incorporated
3//
4// Distributed under the Boost Software License, Version 1.0
5// See accompanying file LICENSE_1_0.txt or copy at
6// http://www.boost.org/LICENSE_1_0.txt
7//
8#include <boost/gil.hpp>
9
10#include <boost/core/lightweight_test.hpp>
11
12#include <cstddef>
13#include <ctime>
14#include <iostream>
15
16// GIL performance test suite
17//
18// Available tests:
19// fill_pixels() on rgb8_image_t with rgb8_pixel_t
20// fill_pixels() on rgb8_planar_image_t with rgb8_pixel_t
21// fill_pixels() on rgb8_image_t with bgr8_pixel_t
22// fill_pixels() on rgb8_planar_image_t with bgr8_pixel_t
23// for_each_pixel() on rgb8_image_t
24// for_each_pixel() on rgb8_planar_t
25// copy_pixels() between rgb8_image_t and rgb8_image_t
26// copy_pixels() between rgb8_image_t and bgr8_image_t
27// copy_pixels() between rgb8_planar_image_t and rgb8_planar_image_t
28// copy_pixels() between rgb8_image_t and rgb8_planar_image_t
29// copy_pixels() between rgb8_planar_image_t and rgb8_image_t
30// transform_pixels() between rgb8_image_t and rgb8_image_t
31// transform_pixels() between rgb8_planar_image_t and rgb8_planar_image_t
32// transform_pixels() between rgb8_planar_image_t and rgb8_image_t
33// transform_pixels() between rgb8_image_t and rgb8_planar_image_t
34
35using namespace boost::gil;
36
37// returns time in milliseconds per call
38template <typename Op>
39double measure_time(Op op, std::size_t num_loops) {
40 clock_t begin=clock();
41 for (std::size_t ii=0; ii<num_loops; ++ii) op();
42 return double(clock()-begin)/double(num_loops);
43}
44
45// image dimension
46std::size_t width=1000, height=400;
47
48// macros for standard GIL views
49#define RGB_VIEW(T) image_view<memory_based_2d_locator<memory_based_step_iterator<pixel<T,rgb_layout_t>*>>>
50#define BGR_VIEW(T) image_view<memory_based_2d_locator<memory_based_step_iterator<pixel<T,bgr_layout_t>*>>>
51#define RGB_PLANAR_VIEW(T) image_view<memory_based_2d_locator<memory_based_step_iterator<planar_pixel_iterator<T*,rgb_t>>>>
52
53template <typename View, typename P>
54struct fill_gil_t {
55 View _v;
56 P _p;
57 fill_gil_t(const View& v_in,const P& p_in) : _v(v_in), _p(p_in) {}
58 void operator()() const {fill_pixels(_v,_p);}
59};
60template <typename View, typename P> struct fill_nongil_t;
61template <typename T, typename P>
62struct fill_nongil_t<RGB_VIEW(T), P>
63{
64 using View = RGB_VIEW(T);
65 View _v;
66 P _p;
67 fill_nongil_t(const View& v_in,const P& p_in) : _v(v_in), _p(p_in) {}
68 void operator()() const {
69 T* first=(T*)_v.row_begin(0);
70 T* last=first+_v.size()*3;
71 while(first!=last) {
72 first[0]=boost::gil::at_c<0>(_p);
73 first[1]=boost::gil::at_c<1>(_p);
74 first[2]=boost::gil::at_c<2>(_p);
75 first+=3;
76 }
77 }
78};
79template <typename T1, typename T2>
80struct fill_nongil_t<RGB_VIEW(T1), pixel<T2,bgr_layout_t>>
81{
82 using View = RGB_VIEW(T1);
83 using P = pixel<T2, bgr_layout_t>;
84 View _v;
85 P _p;
86 fill_nongil_t(const View& v_in,const P& p_in) : _v(v_in), _p(p_in) {}
87 void operator()() const {
88 T1* first=(T1*)_v.row_begin(0);
89 T1* last=first+_v.size()*3;
90 while(first!=last) {
91 first[0]=boost::gil::at_c<2>(_p);
92 first[1]=boost::gil::at_c<1>(_p);
93 first[2]=boost::gil::at_c<0>(_p);
94 first+=3;
95 }
96 }
97};
98template <typename T1, typename T2>
99struct fill_nongil_t<RGB_PLANAR_VIEW(T1), pixel<T2,rgb_layout_t>>
100{
101 using View = RGB_PLANAR_VIEW(T1);
102 using P = pixel<T2, rgb_layout_t>;
103 View _v;
104 P _p;
105 fill_nongil_t(const View& v_in,const P& p_in) : _v(v_in), _p(p_in) {}
106 void operator()() const {
107 std::size_t size=_v.size();
108 T1* first;
109 first=(T1*)boost::gil::at_c<0>(_v.row_begin(0));
110 std::fill(first,first+size,boost::gil::at_c<0>(_p));
111 first=(T1*)boost::gil::at_c<1>(_v.row_begin(0));
112 std::fill(first,first+size,boost::gil::at_c<1>(_p));
113 first=(T1*)boost::gil::at_c<2>(_v.row_begin(0));
114 std::fill(first,first+size,boost::gil::at_c<2>(_p));
115 }
116};
117
118template <typename T1, typename T2>
119struct fill_nongil_t<RGB_PLANAR_VIEW(T1), pixel<T2,bgr_layout_t>>
120{
121 using View = RGB_PLANAR_VIEW(T1);
122 using P = pixel<T2,bgr_layout_t>;
123 View _v;
124 P _p;
125 fill_nongil_t(const View& v_in,const P& p_in) : _v(v_in), _p(p_in) {}
126 void operator()() const {
127 std::size_t size=_v.size();
128 T1* first;
129 first=(T1*)boost::gil::at_c<0>(_v.row_begin(0));
130 std::fill(first,first+size,boost::gil::at_c<2>(_p));
131 first=(T1*)boost::gil::at_c<1>(_v.row_begin(0));
132 std::fill(first,first+size,boost::gil::at_c<1>(_p));
133 first=(T1*)boost::gil::at_c<2>(_v.row_begin(0));
134 std::fill(first,first+size,boost::gil::at_c<1>(_p));
135 }
136};
137
138template <typename View, typename P>
139void test_fill(std::size_t trials) {
140 image<typename View::value_type, is_planar<View>::value> im(width,height);
141 std::cout << "GIL: "<< measure_time(fill_gil_t<View,P>(view(im),P()),trials) << std::endl;
142 std::cout << "Non-GIL: "<< measure_time(fill_nongil_t<View,P>(view(im),P()),trials) << std::endl;
143};
144
145template <typename T>
146struct rgb_fr_t {
147 void operator()(pixel<T,rgb_layout_t>& p) const {p[0]=0;p[1]=1;p[2]=2;}
148 void operator()(const planar_pixel_reference<T&,rgb_t>& p) const {p[0]=0;p[1]=1;p[2]=2;}
149};
150template <typename View, typename F>
151struct for_each_gil_t {
152 View _v;
153 F _f;
154 for_each_gil_t(const View& v_in,const F& f_in) : _v(v_in), _f(f_in) {}
155 void operator()() const {for_each_pixel(_v,_f);}
156};
157template <typename View, typename F> struct for_each_nongil_t;
158template <typename T, typename T2>
159struct for_each_nongil_t<RGB_VIEW(T), rgb_fr_t<T2>>
160{
161 using View = RGB_VIEW(T);
162 using F = rgb_fr_t<T2>;
163 View _v;
164 F _f;
165 for_each_nongil_t(const View& v_in,const F& f_in) : _v(v_in), _f(f_in) {}
166 void operator()() const {
167 T* first=(T*)_v.row_begin(0);
168 T* last=first+_v.size()*3;
169 while(first!=last) {
170 first[0]=0;
171 first[1]=1;
172 first[2]=2;
173 first+=3;
174 }
175 }
176};
177template <typename T1, typename T2>
178struct for_each_nongil_t<RGB_PLANAR_VIEW(T1), rgb_fr_t<T2>>
179{
180 using View = RGB_PLANAR_VIEW(T1);
181 using F = rgb_fr_t<T2>;
182 View _v;
183 F _f;
184 for_each_nongil_t(const View& v_in,const F& f_in) : _v(v_in), _f(f_in) {}
185 void operator()() const {
186 T1 *first0, *first1, *first2, *last0;
187 first0=(T1*)boost::gil::at_c<0>(_v.row_begin(0));
188 first1=(T1*)boost::gil::at_c<1>(_v.row_begin(0));
189 first2=(T1*)boost::gil::at_c<2>(_v.row_begin(0));
190 last0=first0+_v.size();
191 while(first0!=last0) {
192 *first0++=0;
193 *first1++=1;
194 *first2++=2;
195 }
196 }
197};
198
199template <typename View, typename F>
200void test_for_each(std::size_t trials) {
201 image<typename View::value_type, is_planar<View>::value> im(width,height);
202 std::cout << "GIL: "<<measure_time(for_each_gil_t<View,F>(view(im),F()),trials) << std::endl;
203 std::cout << "Non-GIL: "<<measure_time(for_each_nongil_t<View,F>(view(im),F()),trials) << std::endl;
204}
205
206// copy
207template <typename View1, typename View2>
208struct copy_gil_t {
209 View1 _v1;
210 View2 _v2;
211 copy_gil_t(const View1& v1_in,const View2& v2_in) : _v1(v1_in), _v2(v2_in) {}
212 void operator()() const {copy_pixels(_v1,_v2);}
213};
214template <typename View1, typename View2> struct copy_nongil_t;
215template <typename T1, typename T2>
216struct copy_nongil_t<RGB_VIEW(T1),RGB_VIEW(T2)>
217{
218 using View1 = RGB_VIEW(T1);
219 using View2 = RGB_VIEW(T2);
220 View1 _v1;
221 View2 _v2;
222 copy_nongil_t(const View1& v1_in,const View2& v2_in) : _v1(v1_in), _v2(v2_in) {}
223 void operator()() const {
224 T1* first1=(T1*)_v1.row_begin(0);
225 T1* last1=first1+_v1.size()*3;
226 T2* first2=(T2*)_v2.row_begin(0);
227 std::copy(first1,last1,first2);
228 }
229};
230template <typename T1, typename T2>
231struct copy_nongil_t<RGB_VIEW(T1),BGR_VIEW(T2)>
232{
233 using View1 = RGB_VIEW(T1);
234 using View2 = BGR_VIEW(T2);
235 View1 _v1;
236 View2 _v2;
237 copy_nongil_t(const View1& v1_in,const View2& v2_in) : _v1(v1_in), _v2(v2_in) {}
238 void operator()() const {
239 T1* first1=(T1*)_v1.row_begin(0);
240 T1* last1=first1+_v1.size()*3;
241 T2* first2=(T2*)_v2.row_begin(0);
242 while(first1!=last1) {
243 first2[2]=first1[0];
244 first2[1]=first1[1];
245 first2[0]=first1[2];
246 first1+=3; first2+=3;
247 }
248 }
249};
250template <typename T1, typename T2>
251struct copy_nongil_t<RGB_PLANAR_VIEW(T1),RGB_PLANAR_VIEW(T2)>
252{
253 using View1 = RGB_PLANAR_VIEW(T1);
254 using View2 = RGB_PLANAR_VIEW(T2);
255 View1 _v1;
256 View2 _v2;
257 copy_nongil_t(const View1& v1_in,const View2& v2_in) : _v1(v1_in), _v2(v2_in) {}
258 void operator()() const {
259 std::size_t size=_v1.size();
260 T1* first10=(T1*)boost::gil::at_c<0>(_v1.row_begin(0));
261 T1* first11=(T1*)boost::gil::at_c<1>(_v1.row_begin(0));
262 T1* first12=(T1*)boost::gil::at_c<2>(_v1.row_begin(0));
263 T2* first20=(T2*)boost::gil::at_c<0>(_v2.row_begin(0));
264 T2* first21=(T2*)boost::gil::at_c<1>(_v2.row_begin(0));
265 T2* first22=(T2*)boost::gil::at_c<2>(_v2.row_begin(0));
266 std::copy(first10,first10+size,first20);
267 std::copy(first11,first11+size,first21);
268 std::copy(first12,first12+size,first22);
269 }
270};
271template <typename T1, typename T2>
272struct copy_nongil_t<RGB_VIEW(T1),RGB_PLANAR_VIEW(T2)>
273{
274 using View1 = RGB_VIEW(T1);
275 using View2 = RGB_PLANAR_VIEW(T2);
276 View1 _v1;
277 View2 _v2;
278 copy_nongil_t(const View1& v1_in,const View2& v2_in) : _v1(v1_in), _v2(v2_in) {}
279 void operator()() const {
280 T1* first=(T1*)_v1.row_begin(0);
281 T1* last=first+_v1.size()*3;
282 T2* first0=(T2*)boost::gil::at_c<0>(_v2.row_begin(0));
283 T2* first1=(T2*)boost::gil::at_c<1>(_v2.row_begin(0));
284 T2* first2=(T2*)boost::gil::at_c<2>(_v2.row_begin(0));
285 while(first!=last) {
286 *first0++=first[0];
287 *first1++=first[1];
288 *first2++=first[2];
289 first+=3;
290 }
291 }
292};
293template <typename T1, typename T2>
294struct copy_nongil_t<RGB_PLANAR_VIEW(T1),RGB_VIEW(T2)>
295{
296 using View1 = RGB_PLANAR_VIEW(T1);
297 using View2 = RGB_VIEW(T2);
298 View1 _v1;
299 View2 _v2;
300 copy_nongil_t(const View1& v1_in,const View2& v2_in) : _v1(v1_in), _v2(v2_in) {}
301 void operator()() const {
302 T1* first=(T1*)_v2.row_begin(0);
303 T1* last=first+_v2.size()*3;
304 T2* first0=(T2*)boost::gil::at_c<0>(_v1.row_begin(0));
305 T2* first1=(T2*)boost::gil::at_c<1>(_v1.row_begin(0));
306 T2* first2=(T2*)boost::gil::at_c<2>(_v1.row_begin(0));
307 while(first!=last) {
308 first[0]=*first0++;
309 first[1]=*first1++;
310 first[2]=*first2++;
311 first+=3;
312 }
313 }
314};
315template <typename View1, typename View2>
316void test_copy(std::size_t trials) {
317 image<typename View1::value_type, is_planar<View1>::value> im1(width,height);
318 image<typename View2::value_type, is_planar<View2>::value> im2(width,height);
319 std::cout << "GIL: " <<measure_time(copy_gil_t<View1,View2>(view(im1),view(im2)),trials) << std::endl;
320 std::cout << "Non-GIL: "<<measure_time(copy_nongil_t<View1,View2>(view(im1),view(im2)),trials) << std::endl;
321}
322
323// transform()
324template <typename T,typename Pixel>
325struct bgr_to_rgb_t {
326 pixel<T,rgb_layout_t> operator()(const Pixel& p) const {
327 return pixel<T,rgb_layout_t>(T(get_color(p,blue_t())*0.1f),
328 T(get_color(p,green_t())*0.2f),
329 T(get_color(p,red_t())*0.3f));
330 }
331};
332template <typename View1, typename View2, typename F>
333struct transform_gil_t {
334 View1 _v1;
335 View2 _v2;
336 F _f;
337 transform_gil_t(const View1& v1_in,const View2& v2_in,const F& f_in) : _v1(v1_in),_v2(v2_in),_f(f_in) {}
338 void operator()() const {transform_pixels(_v1,_v2,_f);}
339};
340template <typename View1, typename View2, typename F> struct transform_nongil_t;
341template <typename T1, typename T2, typename F>
342struct transform_nongil_t<RGB_VIEW(T1),RGB_VIEW(T2),F>
343{
344 using View1 = RGB_VIEW(T1);
345 using View2 = RGB_VIEW(T2);
346 View1 _v1;
347 View2 _v2;
348 F _f;
349 transform_nongil_t(const View1& v1_in,const View2& v2_in,const F& f_in) : _v1(v1_in),_v2(v2_in),_f(f_in) {}
350 void operator()() const {
351 T1* first1=(T1*)_v1.row_begin(0);
352 T2* first2=(T1*)_v2.row_begin(0);
353 T1* last1=first1+_v1.size()*3;
354 while(first1!=last1) {
355 first2[0]=T2(first1[2]*0.1f);
356 first2[1]=T2(first1[1]*0.2f);
357 first2[2]=T2(first1[0]*0.3f);
358 first1+=3; first2+=3;
359 }
360 }
361};
362template <typename T1, typename T2, typename F>
363struct transform_nongil_t<RGB_PLANAR_VIEW(T1),RGB_PLANAR_VIEW(T2),F>
364{
365 using View1 = RGB_PLANAR_VIEW(T1);
366 using View2 = RGB_PLANAR_VIEW(T2);
367 View1 _v1;
368 View2 _v2;
369 F _f;
370 transform_nongil_t(const View1& v1_in,const View2& v2_in,const F& f_in) : _v1(v1_in),_v2(v2_in),_f(f_in) {}
371 void operator()() const {
372 T1* first10=(T1*)boost::gil::at_c<0>(_v1.row_begin(0));
373 T1* first11=(T1*)boost::gil::at_c<1>(_v1.row_begin(0));
374 T1* first12=(T1*)boost::gil::at_c<2>(_v1.row_begin(0));
375 T1* first20=(T2*)boost::gil::at_c<0>(_v2.row_begin(0));
376 T1* first21=(T2*)boost::gil::at_c<1>(_v2.row_begin(0));
377 T1* first22=(T2*)boost::gil::at_c<2>(_v2.row_begin(0));
378 T1* last10=first10+_v1.size();
379 while(first10!=last10) {
380 *first20++=T2(*first12++*0.1f);
381 *first21++=T2(*first11++*0.2f);
382 *first22++=T2(*first10++*0.3f);
383 }
384 }
385};
386template <typename T1, typename T2, typename F>
387struct transform_nongil_t<RGB_VIEW(T1),RGB_PLANAR_VIEW(T2),F>
388{
389 using View1 = RGB_VIEW(T1);
390 using View2 = RGB_PLANAR_VIEW(T2);
391 View1 _v1;
392 View2 _v2;
393 F _f;
394 transform_nongil_t(const View1& v1_in,const View2& v2_in,const F& f_in) : _v1(v1_in),_v2(v2_in),_f(f_in) {}
395 void operator()() const {
396 T1* first1=(T1*)_v1.row_begin(0);
397 T1* last1=first1+_v1.size()*3;
398 T1* first20=(T2*)boost::gil::at_c<0>(_v2.row_begin(0));
399 T1* first21=(T2*)boost::gil::at_c<1>(_v2.row_begin(0));
400 T1* first22=(T2*)boost::gil::at_c<2>(_v2.row_begin(0));
401 while(first1!=last1) {
402 *first20++=T2(first1[2]*0.1f);
403 *first21++=T2(first1[1]*0.2f);
404 *first22++=T2(first1[0]*0.3f);
405 first1+=3;
406 }
407 }
408};
409template <typename T1, typename T2, typename F>
410struct transform_nongil_t<RGB_PLANAR_VIEW(T1),RGB_VIEW(T2),F>
411{
412 using View1 = RGB_PLANAR_VIEW(T1);
413 using View2 = RGB_VIEW(T2);
414 View1 _v1;
415 View2 _v2;
416 F _f;
417 transform_nongil_t(const View1& v1_in,const View2& v2_in,const F& f_in) : _v1(v1_in),_v2(v2_in),_f(f_in) {}
418 void operator()() const {
419 T1* first10=(T1*)boost::gil::at_c<0>(_v1.row_begin(0));
420 T1* first11=(T1*)boost::gil::at_c<1>(_v1.row_begin(0));
421 T1* first12=(T1*)boost::gil::at_c<2>(_v1.row_begin(0));
422 T2* first2=(T1*)_v2.row_begin(0);
423 T1* last2=first2+_v1.size()*3;
424 while(first2!=last2) {
425 first2[0]=T2(*first12++*0.1f);
426 first2[1]=T2(*first11++*0.2f);
427 first2[2]=T2(*first10++*0.3f);
428 first2+=3;
429 }
430 }
431};
432
433template <typename View1, typename View2, typename F>
434void test_transform(std::size_t trials) {
435 image<typename View1::value_type, is_planar<View1>::value> im1(width,height);
436 image<typename View2::value_type, is_planar<View2>::value> im2(width,height);
437 //std::cout << "GIL: " <<measure_time(transform_gil_t<View1,View2,F>(view(im1),view(im2),F()),trials) << std::endl;
438 //std::cout << "Non-GIL: "<<measure_time(transform_nongil_t<View1,View2,F>(view(im1),view(im2),F()),trials) << std::endl;
439}
440
441void test_performance()
442{
443#ifdef NDEBUG
444 std::size_t num_trials=1000;
445#else
446 std::size_t num_trials=1;
447#endif
448
449 // fill()
450 std::cout<<"test fill_pixels() on rgb8_image_t with rgb8_pixel_t"<<std::endl;
451 test_fill<rgb8_view_t,rgb8_pixel_t>(trials: num_trials);
452 std::cout<<std::endl;
453
454 std::cout<<"test fill_pixels() on rgb8_planar_image_t with rgb8_pixel_t"<<std::endl;
455 test_fill<rgb8_planar_view_t,rgb8_pixel_t>(trials: num_trials);
456 std::cout<<std::endl;
457
458 std::cout<<"test fill_pixels() on rgb8_image_t with bgr8_pixel_t"<<std::endl;
459 test_fill<rgb8_view_t,bgr8_pixel_t>(trials: num_trials);
460 std::cout<<std::endl;
461
462 std::cout<<"test fill_pixels() on rgb8_planar_image_t with bgr8_pixel_t"<<std::endl;
463 test_fill<rgb8_planar_view_t,bgr8_pixel_t>(trials: num_trials);
464 std::cout<<std::endl;
465
466 // for_each()
467 std::cout<<"test for_each_pixel() on rgb8_image_t"<<std::endl;
468 test_for_each<rgb8_view_t,rgb_fr_t<uint8_t> >(trials: num_trials);
469 std::cout<<std::endl;
470
471 std::cout<<"test for_each_pixel() on rgb8_planar_image_t"<<std::endl;
472 test_for_each<rgb8_planar_view_t,rgb_fr_t<uint8_t> >(trials: num_trials);
473 std::cout<<std::endl;
474
475 // copy()
476 std::cout<<"test copy_pixels() between rgb8_image_t and rgb8_image_t"<<std::endl;
477 test_copy<rgb8_view_t,rgb8_view_t>(trials: num_trials);
478 std::cout<<std::endl;
479
480 std::cout<<"test copy_pixels() between rgb8_image_t and bgr8_image_t"<<std::endl;
481 test_copy<rgb8_view_t,bgr8_view_t>(trials: num_trials);
482 std::cout<<std::endl;
483
484 std::cout<<"test copy_pixels() between rgb8_planar_image_t and rgb8_planar_image_t"<<std::endl;
485 test_copy<rgb8_planar_view_t,rgb8_planar_view_t>(trials: num_trials);
486 std::cout<<std::endl;
487
488 std::cout<<"test copy_pixels() between rgb8_image_t and rgb8_planar_image_t"<<std::endl;
489 test_copy<rgb8_view_t,rgb8_planar_view_t>(trials: num_trials);
490 std::cout<<std::endl;
491
492 std::cout<<"test copy_pixels() between rgb8_planar_image_t and rgb8_image_t"<<std::endl;
493 test_copy<rgb8_planar_view_t,rgb8_view_t>(trials: num_trials);
494 std::cout<<std::endl;
495
496 // transform()
497 std::cout<<"test transform_pixels() between rgb8_image_t and rgb8_image_t"<<std::endl;
498 test_transform<rgb8_view_t,rgb8_view_t,bgr_to_rgb_t<uint8_t,pixel<uint8_t,rgb_layout_t> > >(trials: num_trials);
499 std::cout<<std::endl;
500
501 std::cout<<"test transform_pixels() between rgb8_planar_image_t and rgb8_planar_image_t"<<std::endl;
502 test_transform<rgb8_planar_view_t,rgb8_planar_view_t,bgr_to_rgb_t<uint8_t,planar_pixel_reference<uint8_t,rgb_t> > >(trials: num_trials);
503 std::cout<<std::endl;
504
505 std::cout<<"test transform_pixels() between rgb8_image_t and rgb8_planar_image_t"<<std::endl;
506 test_transform<rgb8_view_t,rgb8_planar_view_t,bgr_to_rgb_t<uint8_t,pixel<uint8_t,rgb_layout_t> > >(trials: num_trials);
507 std::cout<<std::endl;
508
509 std::cout<<"test transform_pixels() between rgb8_planar_image_t and rgb8_image_t"<<std::endl;
510 test_transform<rgb8_planar_view_t,rgb8_view_t,bgr_to_rgb_t<uint8_t,planar_pixel_reference<uint8_t,rgb_t> > >(trials: num_trials);
511 std::cout<<std::endl;
512}
513
514int main()
515{
516
517 test_performance();
518
519 return ::boost::report_errors();
520}
521

source code of boost/libs/gil/test/legacy/performance.cpp