| 1 | #include <stdio.h> |
1 | #include <stdio.h> |
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2 | #include <unistd.h> |
| 2 | #include <assert.h> |
3 | #include <assert.h> |
| 3 | #include <string.h> |
4 | #include <string.h> |
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5 | #include <time.h> |
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6 | #include <sys/time.h> |
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7 | #include <sys/times.h> |
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8 | #include <sys/types.h> |
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9 | #include <sys/socket.h> |
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10 | #include <sys/mman.h> |
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11 | #include <sys/ioctl.h> |
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12 | #include <sys/stat.h> |
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13 | #include <sys/resource.h> |
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14 | #include <math.h> |
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15 | #include <signal.h> |
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16 | #include <X11/Xlib.h> |
| 4 | |
17 | |
| 5 | #include "lzf.h" |
18 | #include "lzf.h" |
| 6 | //#include "fastlz.c" |
19 | //#include "fastlz.c" |
| 7 | |
20 | |
| 8 | typedef unsigned long tval; |
21 | typedef unsigned long tval; |
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| 23 | return tsc-t; |
36 | return tsc-t; |
| 24 | else |
37 | else |
| 25 | return t-tsc; |
38 | return t-tsc; |
| 26 | } |
39 | } |
| 27 | |
40 | |
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41 | static void sigu (int signum) |
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42 | { |
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43 | } |
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44 | |
| 28 | #define DSIZE 2821120 |
45 | #define DSIZE 2821120 |
| 29 | |
46 | |
| 30 | unsigned char data[DSIZE], data2[DSIZE*2], data3[DSIZE*2]; |
47 | unsigned char data[DSIZE], data2[DSIZE*2], data3[DSIZE*2]; |
| 31 | |
48 | |
| 32 | int main(void) |
49 | int main(void) |
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| 34 | tval s; |
51 | tval s; |
| 35 | tval si[1000]; |
52 | tval si[1000]; |
| 36 | int i, l, j; |
53 | int i, l, j; |
| 37 | int min = 1<<30; |
54 | int min = 1<<30; |
| 38 | 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 | long ctr = 1; |
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59 | struct stat sbuf; |
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60 | |
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61 | pipe (p); |
| 39 | |
62 | |
| 40 | FILE *f = fopen ("data", "r"); |
63 | FILE *f = fopen ("data", "r"); |
| 41 | fread (data, DSIZE, 1, f); |
64 | fread (data, DSIZE, 1, f); |
| 42 | fclose (f); |
65 | fclose (f); |
| 43 | |
66 | |
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67 | signal (SIGURG, sigu); |
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68 | |
| 44 | for (lp = 0; lp < 1000; lp++) { |
69 | for (lp = 0; lp < 1000000; lp++) { |
| 45 | s=stamp(); |
70 | s=stamp(); |
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71 | |
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72 | //struct timespec ts; clock_gettime (CLOCK_THREAD_CPUTIME_ID, &ts); |
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73 | //printf ("%9ld\n", ts.tv_nsec);//D |
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74 | //struct rusage usage; getrusage (RUSAGE_SELF, &usage); |
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75 | //struct tms tms; times (&tms); |
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76 | |
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77 | //kill (0, SIGURG); |
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78 | //write (evfd, &ctr, 8); |
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79 | //read (evfd, &ctr, 8); |
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80 | //write (p[1], &buf, 1); |
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81 | //read (p[0], &buf, 4); |
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82 | //stat ("/etc/passwd", &sbuf); |
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83 | //struct timeval tv; gettimeofday (&tv, 0); |
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84 | //void *x = mmap (0, 16384, PROT_READ|PROT_WRITE, MAP_ANONYMOUS|MAP_PRIVATE,-1,0); |
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85 | |
| 46 | l = lzf_compress (data, DSIZE, data2, DSIZE*2); |
86 | l = lzf_compress (data, DSIZE, data2, DSIZE*2); |
| 47 | //l = fastlz_compress_level (1, data, DSIZE, data2); |
87 | assert(l); |
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88 | |
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89 | j = lzf_decompress (data2, l, data3, DSIZE*2); |
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90 | assert (j == DSIZE); |
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91 | |
| 48 | si[0]=measure(s); |
92 | si[0]=measure(s); |
| 49 | j = lzf_decompress (data2, l, data3, DSIZE*2); |
93 | |
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94 | assert (!memcmp (data, data3, DSIZE)); |
| 50 | |
95 | |
| 51 | printf ("\r%10d (%d) ", si[0], l); |
96 | printf ("\r%10d (%d) ", si[0], l); |
| 52 | if (si[0] < min && si[0] > 0) |
97 | if (si[0] < min && si[0] > 0) |
| 53 | { |
98 | { |
| 54 | printf ("\n"); |
99 | printf ("\n"); |
| 55 | min = si[0]; |
100 | min = si[0]; |
| 56 | } |
101 | } |
| 57 | |
102 | |
| 58 | fflush (stdout); |
103 | fflush (stdout); |
| 59 | |
104 | |
| 60 | assert (memcmp (data, data3, DSIZE) == 0); |
105 | //assert (memcmp (data, data3, DSIZE) == 0); |
| 61 | } |
106 | } |
| 62 | return 0; |
107 | return 0; |
| 63 | } |
108 | } |
| 64 | |
109 | |
| 65 | |
110 | |
