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Commit | Line | Data |
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ed486911 | 1 | /* |
f2d18633 | 2 | * "$Id$" |
ed486911 | 3 | * |
7e86f2f6 | 4 | * Raster benchmark program for CUPS. |
ed486911 | 5 | * |
7e86f2f6 MS |
6 | * Copyright 2007-2014 by Apple Inc. |
7 | * Copyright 1997-2006 by Easy Software Products. | |
ed486911 | 8 | * |
7e86f2f6 MS |
9 | * These coded instructions, statements, and computer programs are the |
10 | * property of Apple Inc. and are protected by Federal copyright | |
11 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
12 | * which should have been included with this file. If this file is | |
13 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
ed486911 | 14 | * |
7e86f2f6 | 15 | * This file is subject to the Apple OS-Developed Software exception. |
ed486911 | 16 | */ |
17 | ||
18 | /* | |
19 | * Include necessary headers... | |
20 | */ | |
21 | ||
41681883 | 22 | #include <config.h> |
ac884b6a | 23 | #include <cups/raster.h> |
ed486911 | 24 | #include <stdlib.h> |
25 | #include <sys/time.h> | |
26 | #include <signal.h> | |
27 | #include <unistd.h> | |
28 | #include <sys/wait.h> | |
29 | ||
30 | ||
31 | /* | |
32 | * Constants... | |
33 | */ | |
34 | ||
35 | #define TEST_WIDTH 1024 | |
36 | #define TEST_HEIGHT 1024 | |
37 | #define TEST_PAGES 16 | |
38 | #define TEST_PASSES 20 | |
39 | ||
40 | ||
41 | /* | |
42 | * Local functions... | |
43 | */ | |
44 | ||
45 | static double compute_median(double *secs); | |
46 | static double get_time(void); | |
47 | static void read_test(int fd); | |
48 | static int run_read_test(void); | |
db0bd74a | 49 | static void write_test(int fd, cups_mode_t mode); |
ed486911 | 50 | |
51 | ||
52 | /* | |
53 | * 'main()' - Benchmark the raster read/write functions. | |
54 | */ | |
55 | ||
56 | int /* O - Exit status */ | |
db0bd74a MS |
57 | main(int argc, /* I - Number of command-line args */ |
58 | char *argv[]) /* I - Command-line arguments */ | |
ed486911 | 59 | { |
60 | int i; /* Looping var */ | |
61 | int ras_fd, /* File descriptor for read process */ | |
62 | status; /* Exit status of read process */ | |
63 | double start_secs, /* Start time */ | |
64 | write_secs, /* Write time */ | |
65 | read_secs, /* Read time */ | |
66 | pass_secs[TEST_PASSES]; /* Total test times */ | |
db0bd74a | 67 | cups_mode_t mode; /* Write mode */ |
ed486911 | 68 | |
69 | ||
db0bd74a MS |
70 | /* |
71 | * See if we have anything on the command-line... | |
72 | */ | |
73 | ||
74 | if (argc > 2 || (argc == 2 && strcmp(argv[1], "-z"))) | |
75 | { | |
76 | puts("Usage: rasterbench [-z]"); | |
77 | return (1); | |
78 | } | |
79 | ||
80 | mode = argc > 1 ? CUPS_RASTER_WRITE_COMPRESSED : CUPS_RASTER_WRITE; | |
81 | ||
ed486911 | 82 | /* |
83 | * Ignore SIGPIPE... | |
84 | */ | |
85 | ||
86 | signal(SIGPIPE, SIG_IGN); | |
87 | ||
88 | /* | |
89 | * Run the tests several times to get a good average... | |
90 | */ | |
91 | ||
92 | printf("Test read/write speed of %d pages, %dx%d pixels...\n\n", | |
93 | TEST_PAGES, TEST_WIDTH, TEST_HEIGHT); | |
94 | for (i = 0; i < TEST_PASSES; i ++) | |
95 | { | |
96 | printf("PASS %2d: ", i + 1); | |
97 | fflush(stdout); | |
98 | ||
99 | ras_fd = run_read_test(); | |
100 | start_secs = get_time(); | |
101 | ||
db0bd74a | 102 | write_test(ras_fd, mode); |
ed486911 | 103 | |
104 | write_secs = get_time(); | |
105 | printf(" %.3f write,", write_secs - start_secs); | |
106 | fflush(stdout); | |
107 | ||
108 | close(ras_fd); | |
109 | wait(&status); | |
110 | ||
111 | read_secs = get_time(); | |
112 | pass_secs[i] = read_secs - start_secs; | |
113 | printf(" %.3f read, %.3f total\n", read_secs - write_secs, pass_secs[i]); | |
114 | } | |
115 | ||
116 | printf("\nMedian Total Time: %.3f seconds per document\n", | |
117 | compute_median(pass_secs)); | |
118 | ||
119 | return (0); | |
120 | } | |
121 | ||
122 | ||
123 | /* | |
124 | * 'compute_median()' - Compute the median time for a test. | |
125 | */ | |
126 | ||
127 | static double /* O - Median time in seconds */ | |
128 | compute_median(double *secs) /* I - Array of time samples */ | |
129 | { | |
130 | int i, j; /* Looping vars */ | |
131 | double temp; /* Swap variable */ | |
132 | ||
133 | ||
134 | /* | |
135 | * Sort the array into ascending order using a quicky bubble sort... | |
136 | */ | |
137 | ||
138 | for (i = 0; i < (TEST_PASSES - 1); i ++) | |
139 | for (j = i + 1; j < TEST_PASSES; j ++) | |
140 | if (secs[i] > secs[j]) | |
141 | { | |
142 | temp = secs[i]; | |
143 | secs[i] = secs[j]; | |
144 | secs[j] = temp; | |
145 | } | |
146 | ||
147 | /* | |
148 | * Return the average of the middle two samples... | |
149 | */ | |
150 | ||
151 | return (0.5 * (secs[TEST_PASSES / 2 - 1] + secs[TEST_PASSES / 2])); | |
152 | } | |
153 | ||
154 | ||
155 | /* | |
156 | * 'get_time()' - Get the current time in seconds. | |
157 | */ | |
158 | ||
159 | static double /* O - Time in seconds */ | |
160 | get_time(void) | |
161 | { | |
162 | struct timeval curtime; /* Current time */ | |
163 | ||
164 | ||
165 | gettimeofday(&curtime, NULL); | |
166 | return (curtime.tv_sec + 0.000001 * curtime.tv_usec); | |
167 | } | |
168 | ||
169 | ||
170 | /* | |
171 | * 'read_test()' - Benchmark the raster read functions. | |
172 | */ | |
173 | ||
174 | static void | |
175 | read_test(int fd) /* I - File descriptor to read from */ | |
176 | { | |
7e86f2f6 | 177 | unsigned y; /* Looping var */ |
ed486911 | 178 | cups_raster_t *r; /* Raster stream */ |
db0bd74a | 179 | cups_page_header2_t header; /* Page header */ |
ed486911 | 180 | unsigned char buffer[8 * TEST_WIDTH]; |
181 | /* Read buffer */ | |
182 | ||
183 | ||
184 | /* | |
185 | * Test read speed... | |
186 | */ | |
187 | ||
188 | if ((r = cupsRasterOpen(fd, CUPS_RASTER_READ)) == NULL) | |
189 | { | |
190 | perror("Unable to create raster input stream"); | |
191 | return; | |
192 | } | |
193 | ||
db0bd74a | 194 | while (cupsRasterReadHeader2(r, &header)) |
ed486911 | 195 | { |
196 | for (y = 0; y < header.cupsHeight; y ++) | |
197 | cupsRasterReadPixels(r, buffer, header.cupsBytesPerLine); | |
198 | } | |
199 | ||
200 | cupsRasterClose(r); | |
201 | } | |
202 | ||
203 | ||
204 | /* | |
205 | * 'run_read_test()' - Run the read test as a child process via pipes. | |
206 | */ | |
207 | ||
208 | static int /* O - Standard input of child */ | |
209 | run_read_test(void) | |
210 | { | |
211 | int ras_pipes[2]; /* Raster data pipes */ | |
212 | int pid; /* Child process ID */ | |
213 | ||
214 | ||
215 | if (pipe(ras_pipes)) | |
216 | return (-1); | |
217 | ||
218 | if ((pid = fork()) < 0) | |
219 | { | |
220 | /* | |
221 | * Fork error - return -1 on error... | |
222 | */ | |
223 | ||
224 | close(ras_pipes[0]); | |
225 | close(ras_pipes[1]); | |
226 | ||
227 | return (-1); | |
228 | } | |
229 | else if (pid == 0) | |
230 | { | |
231 | /* | |
232 | * Child comes here - read data from the input pipe... | |
233 | */ | |
234 | ||
235 | close(ras_pipes[1]); | |
236 | read_test(ras_pipes[0]); | |
237 | exit(0); | |
238 | } | |
239 | else | |
240 | { | |
241 | /* | |
242 | * Parent comes here - return the output pipe... | |
243 | */ | |
244 | ||
245 | close(ras_pipes[0]); | |
246 | return (ras_pipes[1]); | |
247 | } | |
248 | } | |
249 | ||
250 | ||
251 | /* | |
252 | * 'write_test()' - Benchmark the raster write functions. | |
253 | */ | |
254 | ||
255 | static void | |
db0bd74a MS |
256 | write_test(int fd, /* I - File descriptor to write to */ |
257 | cups_mode_t mode) /* I - Write mode */ | |
ed486911 | 258 | { |
7e86f2f6 MS |
259 | unsigned page, x, y; /* Looping vars */ |
260 | unsigned count; /* Number of bytes to set */ | |
ed486911 | 261 | cups_raster_t *r; /* Raster stream */ |
db0bd74a | 262 | cups_page_header2_t header; /* Page header */ |
ed486911 | 263 | unsigned char data[32][8 * TEST_WIDTH]; |
264 | /* Raster data to write */ | |
265 | ||
266 | ||
267 | /* | |
268 | * Create a combination of random data and repeated data to simulate | |
269 | * text with some whitespace. | |
270 | */ | |
271 | ||
41681883 | 272 | CUPS_SRAND(time(NULL)); |
ed486911 | 273 | |
274 | memset(data, 0, sizeof(data)); | |
275 | ||
276 | for (y = 0; y < 28; y ++) | |
277 | { | |
41681883 | 278 | for (x = CUPS_RAND() & 127, count = (CUPS_RAND() & 15) + 1; |
ed486911 | 279 | x < sizeof(data[0]); |
280 | x ++, count --) | |
281 | { | |
282 | if (count <= 0) | |
283 | { | |
41681883 MS |
284 | x += (CUPS_RAND() & 15) + 1; |
285 | count = (CUPS_RAND() & 15) + 1; | |
ed486911 | 286 | |
287 | if (x >= sizeof(data[0])) | |
288 | break; | |
289 | } | |
290 | ||
7e86f2f6 | 291 | data[y][x] = (unsigned char)CUPS_RAND(); |
ed486911 | 292 | } |
293 | } | |
294 | ||
295 | /* | |
296 | * Test write speed... | |
297 | */ | |
298 | ||
db0bd74a | 299 | if ((r = cupsRasterOpen(fd, mode)) == NULL) |
ed486911 | 300 | { |
301 | perror("Unable to create raster output stream"); | |
302 | return; | |
303 | } | |
304 | ||
305 | for (page = 0; page < TEST_PAGES; page ++) | |
306 | { | |
307 | memset(&header, 0, sizeof(header)); | |
308 | header.cupsWidth = TEST_WIDTH; | |
309 | header.cupsHeight = TEST_HEIGHT; | |
310 | header.cupsBytesPerLine = TEST_WIDTH; | |
311 | ||
312 | if (page & 1) | |
313 | { | |
314 | header.cupsBytesPerLine *= 4; | |
315 | header.cupsColorSpace = CUPS_CSPACE_CMYK; | |
316 | header.cupsColorOrder = CUPS_ORDER_CHUNKED; | |
317 | } | |
318 | else | |
319 | { | |
320 | header.cupsColorSpace = CUPS_CSPACE_K; | |
321 | header.cupsColorOrder = CUPS_ORDER_BANDED; | |
322 | } | |
323 | ||
324 | if (page & 2) | |
325 | { | |
326 | header.cupsBytesPerLine *= 2; | |
327 | header.cupsBitsPerColor = 16; | |
328 | header.cupsBitsPerPixel = (page & 1) ? 64 : 16; | |
329 | } | |
330 | else | |
331 | { | |
332 | header.cupsBitsPerColor = 8; | |
333 | header.cupsBitsPerPixel = (page & 1) ? 32 : 8; | |
334 | } | |
335 | ||
db0bd74a | 336 | cupsRasterWriteHeader2(r, &header); |
ed486911 | 337 | |
338 | for (y = 0; y < TEST_HEIGHT; y ++) | |
339 | cupsRasterWritePixels(r, data[y & 31], header.cupsBytesPerLine); | |
340 | } | |
341 | ||
342 | cupsRasterClose(r); | |
343 | } | |
344 | ||
345 | ||
346 | /* | |
f2d18633 | 347 | * End of "$Id$". |
ed486911 | 348 | */ |