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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 | * |
a6a4a2f5 | 6 | * Copyright 2007-2016 by Apple Inc. |
7e86f2f6 | 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> |
a6a4a2f5 | 24 | #include <stdio.h> |
ed486911 | 25 | #include <stdlib.h> |
26 | #include <sys/time.h> | |
27 | #include <signal.h> | |
28 | #include <unistd.h> | |
29 | #include <sys/wait.h> | |
30 | ||
31 | ||
32 | /* | |
33 | * Constants... | |
34 | */ | |
35 | ||
36 | #define TEST_WIDTH 1024 | |
37 | #define TEST_HEIGHT 1024 | |
38 | #define TEST_PAGES 16 | |
39 | #define TEST_PASSES 20 | |
40 | ||
41 | ||
42 | /* | |
43 | * Local functions... | |
44 | */ | |
45 | ||
46 | static double compute_median(double *secs); | |
47 | static double get_time(void); | |
48 | static void read_test(int fd); | |
49 | static int run_read_test(void); | |
db0bd74a | 50 | static void write_test(int fd, cups_mode_t mode); |
ed486911 | 51 | |
52 | ||
53 | /* | |
54 | * 'main()' - Benchmark the raster read/write functions. | |
55 | */ | |
56 | ||
57 | int /* O - Exit status */ | |
db0bd74a MS |
58 | main(int argc, /* I - Number of command-line args */ |
59 | char *argv[]) /* I - Command-line arguments */ | |
ed486911 | 60 | { |
61 | int i; /* Looping var */ | |
62 | int ras_fd, /* File descriptor for read process */ | |
63 | status; /* Exit status of read process */ | |
64 | double start_secs, /* Start time */ | |
65 | write_secs, /* Write time */ | |
66 | read_secs, /* Read time */ | |
67 | pass_secs[TEST_PASSES]; /* Total test times */ | |
db0bd74a | 68 | cups_mode_t mode; /* Write mode */ |
ed486911 | 69 | |
70 | ||
db0bd74a MS |
71 | /* |
72 | * See if we have anything on the command-line... | |
73 | */ | |
74 | ||
75 | if (argc > 2 || (argc == 2 && strcmp(argv[1], "-z"))) | |
76 | { | |
77 | puts("Usage: rasterbench [-z]"); | |
78 | return (1); | |
79 | } | |
80 | ||
81 | mode = argc > 1 ? CUPS_RASTER_WRITE_COMPRESSED : CUPS_RASTER_WRITE; | |
82 | ||
ed486911 | 83 | /* |
84 | * Ignore SIGPIPE... | |
85 | */ | |
86 | ||
87 | signal(SIGPIPE, SIG_IGN); | |
88 | ||
89 | /* | |
90 | * Run the tests several times to get a good average... | |
91 | */ | |
92 | ||
93 | printf("Test read/write speed of %d pages, %dx%d pixels...\n\n", | |
94 | TEST_PAGES, TEST_WIDTH, TEST_HEIGHT); | |
95 | for (i = 0; i < TEST_PASSES; i ++) | |
96 | { | |
97 | printf("PASS %2d: ", i + 1); | |
98 | fflush(stdout); | |
99 | ||
100 | ras_fd = run_read_test(); | |
101 | start_secs = get_time(); | |
102 | ||
db0bd74a | 103 | write_test(ras_fd, mode); |
ed486911 | 104 | |
105 | write_secs = get_time(); | |
106 | printf(" %.3f write,", write_secs - start_secs); | |
107 | fflush(stdout); | |
108 | ||
109 | close(ras_fd); | |
110 | wait(&status); | |
111 | ||
112 | read_secs = get_time(); | |
113 | pass_secs[i] = read_secs - start_secs; | |
114 | printf(" %.3f read, %.3f total\n", read_secs - write_secs, pass_secs[i]); | |
115 | } | |
116 | ||
117 | printf("\nMedian Total Time: %.3f seconds per document\n", | |
118 | compute_median(pass_secs)); | |
119 | ||
120 | return (0); | |
121 | } | |
122 | ||
123 | ||
124 | /* | |
125 | * 'compute_median()' - Compute the median time for a test. | |
126 | */ | |
127 | ||
128 | static double /* O - Median time in seconds */ | |
129 | compute_median(double *secs) /* I - Array of time samples */ | |
130 | { | |
131 | int i, j; /* Looping vars */ | |
132 | double temp; /* Swap variable */ | |
133 | ||
134 | ||
135 | /* | |
136 | * Sort the array into ascending order using a quicky bubble sort... | |
137 | */ | |
138 | ||
139 | for (i = 0; i < (TEST_PASSES - 1); i ++) | |
140 | for (j = i + 1; j < TEST_PASSES; j ++) | |
141 | if (secs[i] > secs[j]) | |
142 | { | |
143 | temp = secs[i]; | |
144 | secs[i] = secs[j]; | |
145 | secs[j] = temp; | |
146 | } | |
147 | ||
148 | /* | |
149 | * Return the average of the middle two samples... | |
150 | */ | |
151 | ||
152 | return (0.5 * (secs[TEST_PASSES / 2 - 1] + secs[TEST_PASSES / 2])); | |
153 | } | |
154 | ||
155 | ||
156 | /* | |
157 | * 'get_time()' - Get the current time in seconds. | |
158 | */ | |
159 | ||
160 | static double /* O - Time in seconds */ | |
161 | get_time(void) | |
162 | { | |
163 | struct timeval curtime; /* Current time */ | |
164 | ||
165 | ||
166 | gettimeofday(&curtime, NULL); | |
167 | return (curtime.tv_sec + 0.000001 * curtime.tv_usec); | |
168 | } | |
169 | ||
170 | ||
171 | /* | |
172 | * 'read_test()' - Benchmark the raster read functions. | |
173 | */ | |
174 | ||
175 | static void | |
176 | read_test(int fd) /* I - File descriptor to read from */ | |
177 | { | |
7e86f2f6 | 178 | unsigned y; /* Looping var */ |
ed486911 | 179 | cups_raster_t *r; /* Raster stream */ |
db0bd74a | 180 | cups_page_header2_t header; /* Page header */ |
ed486911 | 181 | unsigned char buffer[8 * TEST_WIDTH]; |
182 | /* Read buffer */ | |
183 | ||
184 | ||
185 | /* | |
186 | * Test read speed... | |
187 | */ | |
188 | ||
189 | if ((r = cupsRasterOpen(fd, CUPS_RASTER_READ)) == NULL) | |
190 | { | |
191 | perror("Unable to create raster input stream"); | |
192 | return; | |
193 | } | |
194 | ||
db0bd74a | 195 | while (cupsRasterReadHeader2(r, &header)) |
ed486911 | 196 | { |
197 | for (y = 0; y < header.cupsHeight; y ++) | |
198 | cupsRasterReadPixels(r, buffer, header.cupsBytesPerLine); | |
199 | } | |
200 | ||
201 | cupsRasterClose(r); | |
202 | } | |
203 | ||
204 | ||
205 | /* | |
206 | * 'run_read_test()' - Run the read test as a child process via pipes. | |
207 | */ | |
208 | ||
209 | static int /* O - Standard input of child */ | |
210 | run_read_test(void) | |
211 | { | |
212 | int ras_pipes[2]; /* Raster data pipes */ | |
213 | int pid; /* Child process ID */ | |
214 | ||
215 | ||
216 | if (pipe(ras_pipes)) | |
217 | return (-1); | |
218 | ||
219 | if ((pid = fork()) < 0) | |
220 | { | |
221 | /* | |
222 | * Fork error - return -1 on error... | |
223 | */ | |
224 | ||
225 | close(ras_pipes[0]); | |
226 | close(ras_pipes[1]); | |
227 | ||
228 | return (-1); | |
229 | } | |
230 | else if (pid == 0) | |
231 | { | |
232 | /* | |
233 | * Child comes here - read data from the input pipe... | |
234 | */ | |
235 | ||
236 | close(ras_pipes[1]); | |
237 | read_test(ras_pipes[0]); | |
238 | exit(0); | |
239 | } | |
240 | else | |
241 | { | |
242 | /* | |
243 | * Parent comes here - return the output pipe... | |
244 | */ | |
245 | ||
246 | close(ras_pipes[0]); | |
247 | return (ras_pipes[1]); | |
248 | } | |
249 | } | |
250 | ||
251 | ||
252 | /* | |
253 | * 'write_test()' - Benchmark the raster write functions. | |
254 | */ | |
255 | ||
256 | static void | |
db0bd74a MS |
257 | write_test(int fd, /* I - File descriptor to write to */ |
258 | cups_mode_t mode) /* I - Write mode */ | |
ed486911 | 259 | { |
7e86f2f6 MS |
260 | unsigned page, x, y; /* Looping vars */ |
261 | unsigned count; /* Number of bytes to set */ | |
ed486911 | 262 | cups_raster_t *r; /* Raster stream */ |
db0bd74a | 263 | cups_page_header2_t header; /* Page header */ |
ed486911 | 264 | unsigned char data[32][8 * TEST_WIDTH]; |
265 | /* Raster data to write */ | |
266 | ||
267 | ||
268 | /* | |
269 | * Create a combination of random data and repeated data to simulate | |
270 | * text with some whitespace. | |
271 | */ | |
272 | ||
41681883 | 273 | CUPS_SRAND(time(NULL)); |
ed486911 | 274 | |
275 | memset(data, 0, sizeof(data)); | |
276 | ||
277 | for (y = 0; y < 28; y ++) | |
278 | { | |
41681883 | 279 | for (x = CUPS_RAND() & 127, count = (CUPS_RAND() & 15) + 1; |
ed486911 | 280 | x < sizeof(data[0]); |
281 | x ++, count --) | |
282 | { | |
283 | if (count <= 0) | |
284 | { | |
41681883 MS |
285 | x += (CUPS_RAND() & 15) + 1; |
286 | count = (CUPS_RAND() & 15) + 1; | |
ed486911 | 287 | |
288 | if (x >= sizeof(data[0])) | |
289 | break; | |
290 | } | |
291 | ||
7e86f2f6 | 292 | data[y][x] = (unsigned char)CUPS_RAND(); |
ed486911 | 293 | } |
294 | } | |
295 | ||
296 | /* | |
297 | * Test write speed... | |
298 | */ | |
299 | ||
db0bd74a | 300 | if ((r = cupsRasterOpen(fd, mode)) == NULL) |
ed486911 | 301 | { |
302 | perror("Unable to create raster output stream"); | |
303 | return; | |
304 | } | |
305 | ||
306 | for (page = 0; page < TEST_PAGES; page ++) | |
307 | { | |
308 | memset(&header, 0, sizeof(header)); | |
309 | header.cupsWidth = TEST_WIDTH; | |
310 | header.cupsHeight = TEST_HEIGHT; | |
311 | header.cupsBytesPerLine = TEST_WIDTH; | |
312 | ||
313 | if (page & 1) | |
314 | { | |
315 | header.cupsBytesPerLine *= 4; | |
316 | header.cupsColorSpace = CUPS_CSPACE_CMYK; | |
317 | header.cupsColorOrder = CUPS_ORDER_CHUNKED; | |
318 | } | |
319 | else | |
320 | { | |
321 | header.cupsColorSpace = CUPS_CSPACE_K; | |
322 | header.cupsColorOrder = CUPS_ORDER_BANDED; | |
323 | } | |
324 | ||
325 | if (page & 2) | |
326 | { | |
327 | header.cupsBytesPerLine *= 2; | |
328 | header.cupsBitsPerColor = 16; | |
329 | header.cupsBitsPerPixel = (page & 1) ? 64 : 16; | |
330 | } | |
331 | else | |
332 | { | |
333 | header.cupsBitsPerColor = 8; | |
334 | header.cupsBitsPerPixel = (page & 1) ? 32 : 8; | |
335 | } | |
336 | ||
db0bd74a | 337 | cupsRasterWriteHeader2(r, &header); |
ed486911 | 338 | |
339 | for (y = 0; y < TEST_HEIGHT; y ++) | |
340 | cupsRasterWritePixels(r, data[y & 31], header.cupsBytesPerLine); | |
341 | } | |
342 | ||
343 | cupsRasterClose(r); | |
344 | } | |
345 | ||
346 | ||
347 | /* | |
f2d18633 | 348 | * End of "$Id$". |
ed486911 | 349 | */ |