]>
Commit | Line | Data |
---|---|---|
ed486911 | 1 | /* |
7e86f2f6 | 2 | * Raster benchmark program for CUPS. |
ed486911 | 3 | * |
a6a4a2f5 | 4 | * Copyright 2007-2016 by Apple Inc. |
7e86f2f6 | 5 | * Copyright 1997-2006 by Easy Software Products. |
ed486911 | 6 | * |
7e86f2f6 MS |
7 | * These coded instructions, statements, and computer programs are the |
8 | * property of Apple Inc. and are protected by Federal copyright | |
9 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
10 | * which should have been included with this file. If this file is | |
11 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
ed486911 | 12 | * |
7e86f2f6 | 13 | * This file is subject to the Apple OS-Developed Software exception. |
ed486911 | 14 | */ |
15 | ||
16 | /* | |
17 | * Include necessary headers... | |
18 | */ | |
19 | ||
41681883 | 20 | #include <config.h> |
ac884b6a | 21 | #include <cups/raster.h> |
a6a4a2f5 | 22 | #include <stdio.h> |
ed486911 | 23 | #include <stdlib.h> |
24 | #include <sys/time.h> | |
25 | #include <signal.h> | |
26 | #include <unistd.h> | |
27 | #include <sys/wait.h> | |
28 | ||
29 | ||
30 | /* | |
31 | * Constants... | |
32 | */ | |
33 | ||
34 | #define TEST_WIDTH 1024 | |
35 | #define TEST_HEIGHT 1024 | |
36 | #define TEST_PAGES 16 | |
37 | #define TEST_PASSES 20 | |
38 | ||
39 | ||
40 | /* | |
41 | * Local functions... | |
42 | */ | |
43 | ||
44 | static double compute_median(double *secs); | |
45 | static double get_time(void); | |
46 | static void read_test(int fd); | |
47 | static int run_read_test(void); | |
db0bd74a | 48 | static void write_test(int fd, cups_mode_t mode); |
ed486911 | 49 | |
50 | ||
51 | /* | |
52 | * 'main()' - Benchmark the raster read/write functions. | |
53 | */ | |
54 | ||
55 | int /* O - Exit status */ | |
db0bd74a MS |
56 | main(int argc, /* I - Number of command-line args */ |
57 | char *argv[]) /* I - Command-line arguments */ | |
ed486911 | 58 | { |
59 | int i; /* Looping var */ | |
60 | int ras_fd, /* File descriptor for read process */ | |
61 | status; /* Exit status of read process */ | |
62 | double start_secs, /* Start time */ | |
63 | write_secs, /* Write time */ | |
64 | read_secs, /* Read time */ | |
65 | pass_secs[TEST_PASSES]; /* Total test times */ | |
db0bd74a | 66 | cups_mode_t mode; /* Write mode */ |
ed486911 | 67 | |
68 | ||
db0bd74a MS |
69 | /* |
70 | * See if we have anything on the command-line... | |
71 | */ | |
72 | ||
73 | if (argc > 2 || (argc == 2 && strcmp(argv[1], "-z"))) | |
74 | { | |
75 | puts("Usage: rasterbench [-z]"); | |
76 | return (1); | |
77 | } | |
78 | ||
79 | mode = argc > 1 ? CUPS_RASTER_WRITE_COMPRESSED : CUPS_RASTER_WRITE; | |
80 | ||
ed486911 | 81 | /* |
82 | * Ignore SIGPIPE... | |
83 | */ | |
84 | ||
85 | signal(SIGPIPE, SIG_IGN); | |
86 | ||
87 | /* | |
88 | * Run the tests several times to get a good average... | |
89 | */ | |
90 | ||
91 | printf("Test read/write speed of %d pages, %dx%d pixels...\n\n", | |
92 | TEST_PAGES, TEST_WIDTH, TEST_HEIGHT); | |
93 | for (i = 0; i < TEST_PASSES; i ++) | |
94 | { | |
95 | printf("PASS %2d: ", i + 1); | |
96 | fflush(stdout); | |
97 | ||
98 | ras_fd = run_read_test(); | |
99 | start_secs = get_time(); | |
100 | ||
db0bd74a | 101 | write_test(ras_fd, mode); |
ed486911 | 102 | |
103 | write_secs = get_time(); | |
104 | printf(" %.3f write,", write_secs - start_secs); | |
105 | fflush(stdout); | |
106 | ||
107 | close(ras_fd); | |
108 | wait(&status); | |
109 | ||
110 | read_secs = get_time(); | |
111 | pass_secs[i] = read_secs - start_secs; | |
112 | printf(" %.3f read, %.3f total\n", read_secs - write_secs, pass_secs[i]); | |
113 | } | |
114 | ||
115 | printf("\nMedian Total Time: %.3f seconds per document\n", | |
116 | compute_median(pass_secs)); | |
117 | ||
118 | return (0); | |
119 | } | |
120 | ||
121 | ||
122 | /* | |
123 | * 'compute_median()' - Compute the median time for a test. | |
124 | */ | |
125 | ||
126 | static double /* O - Median time in seconds */ | |
127 | compute_median(double *secs) /* I - Array of time samples */ | |
128 | { | |
129 | int i, j; /* Looping vars */ | |
130 | double temp; /* Swap variable */ | |
131 | ||
132 | ||
133 | /* | |
134 | * Sort the array into ascending order using a quicky bubble sort... | |
135 | */ | |
136 | ||
137 | for (i = 0; i < (TEST_PASSES - 1); i ++) | |
138 | for (j = i + 1; j < TEST_PASSES; j ++) | |
139 | if (secs[i] > secs[j]) | |
140 | { | |
141 | temp = secs[i]; | |
142 | secs[i] = secs[j]; | |
143 | secs[j] = temp; | |
144 | } | |
145 | ||
146 | /* | |
147 | * Return the average of the middle two samples... | |
148 | */ | |
149 | ||
150 | return (0.5 * (secs[TEST_PASSES / 2 - 1] + secs[TEST_PASSES / 2])); | |
151 | } | |
152 | ||
153 | ||
154 | /* | |
155 | * 'get_time()' - Get the current time in seconds. | |
156 | */ | |
157 | ||
158 | static double /* O - Time in seconds */ | |
159 | get_time(void) | |
160 | { | |
161 | struct timeval curtime; /* Current time */ | |
162 | ||
163 | ||
164 | gettimeofday(&curtime, NULL); | |
165 | return (curtime.tv_sec + 0.000001 * curtime.tv_usec); | |
166 | } | |
167 | ||
168 | ||
169 | /* | |
170 | * 'read_test()' - Benchmark the raster read functions. | |
171 | */ | |
172 | ||
173 | static void | |
174 | read_test(int fd) /* I - File descriptor to read from */ | |
175 | { | |
7e86f2f6 | 176 | unsigned y; /* Looping var */ |
ed486911 | 177 | cups_raster_t *r; /* Raster stream */ |
db0bd74a | 178 | cups_page_header2_t header; /* Page header */ |
ed486911 | 179 | unsigned char buffer[8 * TEST_WIDTH]; |
180 | /* Read buffer */ | |
181 | ||
182 | ||
183 | /* | |
184 | * Test read speed... | |
185 | */ | |
186 | ||
187 | if ((r = cupsRasterOpen(fd, CUPS_RASTER_READ)) == NULL) | |
188 | { | |
189 | perror("Unable to create raster input stream"); | |
190 | return; | |
191 | } | |
192 | ||
db0bd74a | 193 | while (cupsRasterReadHeader2(r, &header)) |
ed486911 | 194 | { |
195 | for (y = 0; y < header.cupsHeight; y ++) | |
196 | cupsRasterReadPixels(r, buffer, header.cupsBytesPerLine); | |
197 | } | |
198 | ||
199 | cupsRasterClose(r); | |
200 | } | |
201 | ||
202 | ||
203 | /* | |
204 | * 'run_read_test()' - Run the read test as a child process via pipes. | |
205 | */ | |
206 | ||
207 | static int /* O - Standard input of child */ | |
208 | run_read_test(void) | |
209 | { | |
210 | int ras_pipes[2]; /* Raster data pipes */ | |
211 | int pid; /* Child process ID */ | |
212 | ||
213 | ||
214 | if (pipe(ras_pipes)) | |
215 | return (-1); | |
216 | ||
217 | if ((pid = fork()) < 0) | |
218 | { | |
219 | /* | |
220 | * Fork error - return -1 on error... | |
221 | */ | |
222 | ||
223 | close(ras_pipes[0]); | |
224 | close(ras_pipes[1]); | |
225 | ||
226 | return (-1); | |
227 | } | |
228 | else if (pid == 0) | |
229 | { | |
230 | /* | |
231 | * Child comes here - read data from the input pipe... | |
232 | */ | |
233 | ||
234 | close(ras_pipes[1]); | |
235 | read_test(ras_pipes[0]); | |
236 | exit(0); | |
237 | } | |
238 | else | |
239 | { | |
240 | /* | |
241 | * Parent comes here - return the output pipe... | |
242 | */ | |
243 | ||
244 | close(ras_pipes[0]); | |
245 | return (ras_pipes[1]); | |
246 | } | |
247 | } | |
248 | ||
249 | ||
250 | /* | |
251 | * 'write_test()' - Benchmark the raster write functions. | |
252 | */ | |
253 | ||
254 | static void | |
db0bd74a MS |
255 | write_test(int fd, /* I - File descriptor to write to */ |
256 | cups_mode_t mode) /* I - Write mode */ | |
ed486911 | 257 | { |
7e86f2f6 MS |
258 | unsigned page, x, y; /* Looping vars */ |
259 | unsigned count; /* Number of bytes to set */ | |
ed486911 | 260 | cups_raster_t *r; /* Raster stream */ |
db0bd74a | 261 | cups_page_header2_t header; /* Page header */ |
ed486911 | 262 | unsigned char data[32][8 * TEST_WIDTH]; |
263 | /* Raster data to write */ | |
264 | ||
265 | ||
266 | /* | |
267 | * Create a combination of random data and repeated data to simulate | |
268 | * text with some whitespace. | |
269 | */ | |
270 | ||
41681883 | 271 | CUPS_SRAND(time(NULL)); |
ed486911 | 272 | |
273 | memset(data, 0, sizeof(data)); | |
274 | ||
275 | for (y = 0; y < 28; y ++) | |
276 | { | |
41681883 | 277 | for (x = CUPS_RAND() & 127, count = (CUPS_RAND() & 15) + 1; |
ed486911 | 278 | x < sizeof(data[0]); |
279 | x ++, count --) | |
280 | { | |
281 | if (count <= 0) | |
282 | { | |
41681883 MS |
283 | x += (CUPS_RAND() & 15) + 1; |
284 | count = (CUPS_RAND() & 15) + 1; | |
ed486911 | 285 | |
286 | if (x >= sizeof(data[0])) | |
287 | break; | |
288 | } | |
289 | ||
7e86f2f6 | 290 | data[y][x] = (unsigned char)CUPS_RAND(); |
ed486911 | 291 | } |
292 | } | |
293 | ||
294 | /* | |
295 | * Test write speed... | |
296 | */ | |
297 | ||
db0bd74a | 298 | if ((r = cupsRasterOpen(fd, mode)) == NULL) |
ed486911 | 299 | { |
300 | perror("Unable to create raster output stream"); | |
301 | return; | |
302 | } | |
303 | ||
304 | for (page = 0; page < TEST_PAGES; page ++) | |
305 | { | |
306 | memset(&header, 0, sizeof(header)); | |
307 | header.cupsWidth = TEST_WIDTH; | |
308 | header.cupsHeight = TEST_HEIGHT; | |
309 | header.cupsBytesPerLine = TEST_WIDTH; | |
310 | ||
311 | if (page & 1) | |
312 | { | |
313 | header.cupsBytesPerLine *= 4; | |
314 | header.cupsColorSpace = CUPS_CSPACE_CMYK; | |
315 | header.cupsColorOrder = CUPS_ORDER_CHUNKED; | |
316 | } | |
317 | else | |
318 | { | |
319 | header.cupsColorSpace = CUPS_CSPACE_K; | |
320 | header.cupsColorOrder = CUPS_ORDER_BANDED; | |
321 | } | |
322 | ||
323 | if (page & 2) | |
324 | { | |
325 | header.cupsBytesPerLine *= 2; | |
326 | header.cupsBitsPerColor = 16; | |
327 | header.cupsBitsPerPixel = (page & 1) ? 64 : 16; | |
328 | } | |
329 | else | |
330 | { | |
331 | header.cupsBitsPerColor = 8; | |
332 | header.cupsBitsPerPixel = (page & 1) ? 32 : 8; | |
333 | } | |
334 | ||
db0bd74a | 335 | cupsRasterWriteHeader2(r, &header); |
ed486911 | 336 | |
337 | for (y = 0; y < TEST_HEIGHT; y ++) | |
338 | cupsRasterWritePixels(r, data[y & 31], header.cupsBytesPerLine); | |
339 | } | |
340 | ||
341 | cupsRasterClose(r); | |
342 | } |