1 //
2 // gettsc.inl
3 //
4 // gives access to the Pentium's (secret) cycle counter
5 //
6 // This software was written by Leonard Janke (janke@unixg.ubc.ca)
7 // in 1996-7 and is entered, by him, into the public domain.
8
9 #if defined(__WATCOMC__)
10 void GetTSC(unsigned long&);
11 #pragma aux GetTSC = 0x0f 0x31 "mov [edi], eax" parm [edi] modify [edx eax];
12 #elif defined(__GNUC__)
13 inline
GetTSC(unsigned long & tsc)14 void GetTSC(unsigned long& tsc)
15 {
16 asm volatile(".byte 15, 49\n\t"
17 : "=eax" (tsc)
18 :
19 : "%edx", "%eax");
20 }
21 #elif defined(_MSC_VER)
22 inline
GetTSC(unsigned long & tsc)23 void GetTSC(unsigned long& tsc)
24 {
25 unsigned long a;
26 __asm _emit 0fh
27 __asm _emit 31h
28 __asm mov a, eax;
29 tsc=a;
30 }
31 #endif
32
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <openssl/ripemd.h>
36
37 #define ripemd160_block_x86 ripemd160_block_asm_host_order
38
39 extern "C" {
40 void ripemd160_block_x86(RIPEMD160_CTX *ctx, unsigned char *buffer,int num);
41 }
42
main(int argc,char * argv[])43 void main(int argc,char *argv[])
44 {
45 unsigned char buffer[64*256];
46 RIPEMD160_CTX ctx;
47 unsigned long s1,s2,e1,e2;
48 unsigned char k[16];
49 unsigned long data[2];
50 unsigned char iv[8];
51 int i,num=0,numm;
52 int j=0;
53
54 if (argc >= 2)
55 num=atoi(argv[1]);
56
57 if (num == 0) num=16;
58 if (num > 250) num=16;
59 numm=num+2;
60 #if 0
61 num*=64;
62 numm*=64;
63 #endif
64
65 for (j=0; j<6; j++)
66 {
67 for (i=0; i<10; i++) /**/
68 {
69 ripemd160_block_x86(&ctx,buffer,numm);
70 GetTSC(s1);
71 ripemd160_block_x86(&ctx,buffer,numm);
72 GetTSC(e1);
73 GetTSC(s2);
74 ripemd160_block_x86(&ctx,buffer,num);
75 GetTSC(e2);
76 ripemd160_block_x86(&ctx,buffer,num);
77 }
78 printf("ripemd160 (%d bytes) %d %d (%.2f)\n",num*64,
79 e1-s1,e2-s2,(double)((e1-s1)-(e2-s2))/2);
80 }
81 }
82
83