1 | #include <stdio.h> |
1 | #include <stdio.h> |
2 | #include <assert.h> |
2 | #include <assert.h> |
3 | #include <string.h> |
3 | #include <string.h> |
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4 | #include <time.h> |
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5 | #include <sys/time.h> |
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6 | #include <sys/times.h> |
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7 | #include <sys/types.h> |
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8 | #include <sys/socket.h> |
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9 | #include <sys/ioctl.h> |
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10 | #include <sys/stat.h> |
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11 | #include <sys/resource.h> |
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12 | #include <math.h> |
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13 | #include <signal.h> |
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14 | #include <X11/Xlib.h> |
4 | |
15 | |
5 | #include "lzf.h" |
16 | #include "lzf.h" |
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17 | //#include "fastlz.c" |
6 | |
18 | |
7 | typedef unsigned long tval; |
19 | typedef unsigned long tval; |
8 | typedef unsigned long long stamp64; |
20 | typedef unsigned long long stamp64; |
9 | |
21 | |
10 | extern inline tval stamp(void) |
22 | extern inline tval stamp(void) |
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22 | return tsc-t; |
34 | return tsc-t; |
23 | else |
35 | else |
24 | return t-tsc; |
36 | return t-tsc; |
25 | } |
37 | } |
26 | |
38 | |
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39 | static void sigu (int signum) |
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40 | { |
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41 | } |
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42 | |
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43 | int eventfd(unsigned int,int); |
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44 | |
27 | #define DSIZE 1000000 |
45 | #define DSIZE 2821120 |
28 | |
46 | |
29 | unsigned char data[DSIZE], data2[DSIZE*2], data3[DSIZE*2]; |
47 | unsigned char data[DSIZE], data2[DSIZE*2], data3[DSIZE*2]; |
30 | |
48 | |
31 | int main(void) |
49 | int main(void) |
32 | { |
50 | { |
33 | tval s; |
51 | tval s; |
34 | tval si[1000]; |
52 | tval si[1000]; |
35 | int i, l, j; |
53 | int i, l, j; |
36 | int min = 1<<30; |
54 | int min = 1<<30; |
37 | int lp; |
55 | int lp; |
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56 | char buf[8192]; |
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57 | int p[2]; |
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58 | int evfd = eventfd (0, 0); |
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59 | long ctr = 1; |
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60 | struct stat sbuf; |
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61 | |
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62 | pipe (p); |
38 | |
63 | |
39 | FILE *f = fopen ("data", "r"); |
64 | FILE *f = fopen ("data", "r"); |
40 | fread (data, DSIZE, 1, f); |
65 | fread (data, DSIZE, 1, f); |
41 | fclose (f); |
66 | fclose (f); |
42 | |
67 | |
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68 | signal (SIGURG, sigu); |
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69 | |
43 | for (lp = 0; lp < 1000; lp++) { |
70 | for (lp = 0; lp < 1000000; lp++) { |
44 | s=stamp(); |
71 | s=stamp(); |
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72 | |
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73 | struct timespec ts; clock_gettime (CLOCK_THREAD_CPUTIME_ID, &ts); |
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74 | //printf ("%9ld\n", ts.tv_nsec);//D |
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75 | //struct rusage usage; getrusage (RUSAGE_SELF, &usage); |
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76 | //struct tms tms; times (&tms); |
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77 | |
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78 | //kill (0, SIGURG); |
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79 | //write (evfd, &ctr, 8); |
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80 | //read (evfd, &ctr, 8); |
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81 | //write (p[1], &buf, 1); |
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82 | //read (p[0], &buf, 4); |
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83 | //stat ("/etc/passwd", &sbuf); |
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84 | //struct timeval tv; gettimeofday (&tv, 0); |
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85 | |
45 | l = lzf_compress (data, DSIZE, data2, DSIZE*2); |
86 | //l = lzf_compress (data, DSIZE, data2, DSIZE*2); |
46 | j = lzf_decompress (data2, l, data3, DSIZE*2); |
87 | //assert(l); |
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88 | |
47 | si[0]=measure(s); |
89 | si[0]=measure(s); |
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90 | |
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91 | //j = lzf_decompress (data2, l, data3, DSIZE*2); |
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92 | //assert (j == DSIZE); |
48 | |
93 | |
49 | printf ("\r%10d (%d) ", si[0], l); |
94 | printf ("\r%10d (%d) ", si[0], l); |
50 | if (si[0] < min && si[0] > 0) |
95 | if (si[0] < min && si[0] > 0) |
51 | { |
96 | { |
52 | printf ("\n"); |
97 | printf ("\n"); |
53 | min = si[0]; |
98 | min = si[0]; |
54 | } |
99 | } |
55 | |
100 | |
56 | fflush (stdout); |
101 | fflush (stdout); |
57 | |
102 | |
58 | assert (memcmp (data, data3, DSIZE) == 0); |
103 | //assert (memcmp (data, data3, DSIZE) == 0); |
59 | } |
104 | } |
60 | return 0; |
105 | return 0; |
61 | } |
106 | } |
62 | |
107 | |
63 | |
108 | |