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1 #include <stdio.h>
2 #include <stdlib.h>
3 #include <memory.h>
4 #include <time.h>
5 #include "config.h"
6 #ifdef HAVE_GETOPT_H
7 #include <getopt.h>
8 #endif
9 #include "fec.h"
10 
11 #if HAVE_GETOPT_LONG
12 struct option Options[] = {
13   {"frame-length",1,NULL,'l'},
14   {"frame-count",1,NULL,'n'},
15   {"verbose",0,NULL,'v'},
16   {"force-altivec",0,NULL,'a'},
17   {"force-port",0,NULL,'p'},
18   {"force-mmx",0,NULL,'m'},
19   {"force-sse",0,NULL,'s'},
20   {"force-sse2",0,NULL,'t'},
21   {NULL},
22 };
23 #endif
24 
25 int Verbose = 0;
26 
main(int argc,char * argv[])27 int main(int argc,char *argv[]){
28   signed short *buf;
29   int i,d,trial,trials=10000;
30   int bufsize = 2048;
31   long long port_sum,simd_sum;
32   time_t t;
33   int timetrials=0;
34 
35   find_cpu_mode();
36   time(&t);
37   srandom(t);
38 
39 #if HAVE_GETOPT_LONG
40   while((d = getopt_long(argc,argv,"vapmstl:n:T",Options,NULL)) != EOF){
41 #else
42   while((d = getopt(argc,argv,"vapmstl:n:T")) != EOF){
43 #endif
44     switch(d){
45     case 'a':
46       Cpu_mode = ALTIVEC;
47       break;
48     case 'p':
49       Cpu_mode = PORT;
50       break;
51     case 'm':
52       Cpu_mode = MMX;
53       break;
54     case 's':
55       Cpu_mode = SSE;
56       break;
57     case 't':
58       Cpu_mode = SSE2;
59       break;
60     case 'l':
61       bufsize = atoi(optarg);
62       break;
63     case 'n':
64       trials = atoi(optarg);
65       break;
66     case 'v':
67       Verbose++;
68       break;
69     case 'T':
70       timetrials++;
71       break;
72     }
73   }
74 
75   buf = (signed short *)calloc(bufsize,sizeof(signed short));
76   if(timetrials){
77     for(trial=0;trial<trials;trial++){
78       (void)sumsq(buf,bufsize);
79     }
80   } else {
81     for(trial=0;trial<trials;trial++){
82       int length,offset;
83 
84       offset = random() & 7;
85       length = (random() % bufsize) - offset;
86       if(length <= 0)
87 	continue;
88       for(i=0;i<bufsize;i++)
89 	buf[i] = random();
90 
91       port_sum = sumsq_port(buf+offset,length);
92       simd_sum = sumsq(buf+offset,length);
93       if(port_sum != simd_sum){
94 	printf("offset %d len %d port_sum = %lld simd_sum = %lld ",offset,length,port_sum,simd_sum);
95 
96 	printf("ERROR! diff = %lld\n",simd_sum-port_sum);
97       }
98     }
99   }
100   exit(0);
101 }
102