*** empty log message ***

1 files changed, 63 insertions, 0 deletions

diff --git a/bench.c b/bench.c
new file mode 100644
index 0000000..2700c46
--- /dev/null
+++ b/bench.c
@@ -0,0 +1,63 @@
+#include <stdio.h>
+#include <assert.h>
+#include <string.h>
+
+#include "lzf.h"
+
+typedef unsigned long tval;
+typedef unsigned long long stamp64;
+
+extern inline tval stamp(void)
+{
+	tval tsc;
+	asm volatile("rdtsc" : "=a" (tsc) : : "edx");
+	return tsc;
+}
+
+extern inline tval measure(tval t)
+{
+	tval tsc;
+	asm volatile("rdtsc" : "=a" (tsc) : : "edx");
+	if (tsc>t)
+		return tsc-t;
+	else
+		return t-tsc;
+}
+
+#define DSIZE 1000000
+
+unsigned char data[DSIZE], data2[DSIZE*2], data3[DSIZE*2];
+
+int main(void)
+{
+   tval s;
+   tval si[1000];
+   int i, l, j;
+   int min = 1<<30;
+
+   FILE *f = fopen ("data", "r");
+   fread (data, DSIZE, 1, f);
+   fclose (f);
+   
+   for(;;) {
+      s=stamp();
+      l = lzf_compress (data, DSIZE, data2, DSIZE*2);
+      j = lzf_decompress (data2, l, data3, DSIZE*2);
+      si[0]=measure(s);
+
+      printf ("\r%10d (%d) ", si[0], l);
+      if (si[0] < min && si[0] > 0)
+        {
+          printf ("\n");
+          min = si[0];
+        }
+
+      fflush (stdout);
+
+      assert (memcmp (data, data3, DSIZE) == 0);
+   }
+   return 0;
+}
+
+
+