1 files changed, 78 insertions, 0 deletions
diff --git a/times/x86/md5s.cpp b/times/x86/md5s.cpp
new file mode 100644
index 000000000000..dd343fd4e6ed
--- /dev/null
+++ b/times/x86/md5s.cpp
@@ -0,0 +1,78 @@
+//
+// gettsc.inl
+//
+// gives access to the Pentium's (secret) cycle counter
+//
+// This software was written by Leonard Janke (janke@unixg.ubc.ca)
+// in 1996-7 and is entered, by him, into the public domain.
+
+#if defined(__WATCOMC__)
+void GetTSC(unsigned long&);
+#pragma aux GetTSC = 0x0f 0x31 "mov [edi], eax" parm [edi] modify [edx eax];
+#elif defined(__GNUC__)
+inline
+void GetTSC(unsigned long& tsc)
+{
+  asm volatile(".byte 15, 49\n\t"
+	       : "=eax" (tsc)
+	       :
+	       : "%edx", "%eax");
+}
+#elif defined(_MSC_VER)
+inline
+void GetTSC(unsigned long& tsc)
+{
+  unsigned long a;
+  __asm _emit 0fh
+  __asm _emit 31h
+  __asm mov a, eax;
+  tsc=a;
+}
+#endif      
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <openssl/md5.h>
+
+extern "C" {
+void md5_block_x86(MD5_CTX *ctx, unsigned char *buffer,int num);
+}
+
+void main(int argc,char *argv[])
+	{
+	unsigned char buffer[64*256];
+	MD5_CTX ctx;
+	unsigned long s1,s2,e1,e2;
+	unsigned char k[16];
+	unsigned long data[2];
+	unsigned char iv[8];
+	int i,num=0,numm;
+	int j=0;
+
+	if (argc >= 2)
+		num=atoi(argv[1]);
+
+	if (num == 0) num=16;
+	if (num > 250) num=16;
+	numm=num+2;
+	num*=64;
+	numm*=64;
+
+	for (j=0; j<6; j++)
+		{
+		for (i=0; i<10; i++) /**/
+			{
+			md5_block_x86(&ctx,buffer,numm);
+			GetTSC(s1);
+			md5_block_x86(&ctx,buffer,numm);
+			GetTSC(e1);
+			GetTSC(s2);
+			md5_block_x86(&ctx,buffer,num);
+			GetTSC(e2);
+			md5_block_x86(&ctx,buffer,num);
+			}
+		printf("md5 (%d bytes) %d %d (%.2f)\n",num,
+			e1-s1,e2-s2,(double)((e1-s1)-(e2-s2))/2);
+		}
+	}
+