add benchmark (issue #12)

1 files changed, 56 insertions, 0 deletions

diff --git a/bench/bench.c b/bench/bench.c
new file mode 100644
index 0000000..fd0e9ac
--- /dev/null
+++ b/bench/bench.c
@@ -0,0 +1,56 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "mojibake.h"
+#include "util.h"
+
+int main(int argc, char **argv)
+{
+	 int i;
+	 int options = 0;
+	 
+	 for (i = 1; i < argc; ++i) {
+		  if (!strcmp(argv[i], "-nfkc")) {
+			   options |= UTF8PROC_STABLE|UTF8PROC_COMPOSE|UTF8PROC_COMPAT;
+			   continue;
+		  }
+		  if (!strcmp(argv[i], "-nfkd")) {
+			   options |= UTF8PROC_STABLE|UTF8PROC_DECOMPOSE|UTF8PROC_COMPAT;
+			   continue;
+		  }
+		  if (!strcmp(argv[i], "-nfc")) {
+			   options |= UTF8PROC_STABLE|UTF8PROC_COMPOSE;
+			   continue;
+		  }
+		  if (!strcmp(argv[i], "-nfd")) {
+			   options |= UTF8PROC_STABLE|UTF8PROC_DECOMPOSE;
+			   continue;
+		  }
+		  if (!strcmp(argv[i], "-casefold")) {
+			   options |= UTF8PROC_CASEFOLD;
+			   continue;
+		  }
+		  if (argv[i][0] == '-') {
+			   fprintf(stderr, "unrecognized option: %s\n", argv[i]);
+			   return EXIT_FAILURE;
+		  }
+
+		  size_t len;
+		  uint8_t *src = readfile(argv[i], &len);
+		  if (!src) {
+			   fprintf(stderr, "error reading %s\n", argv[i]);
+			   return EXIT_FAILURE;
+		  }
+		  uint8_t *dest;
+		  mytime start = gettime();
+		  for (int i = 0; i < 100; ++i) {
+			   utf8proc_map(src, len, &dest, options);
+			   free(dest);
+		  }
+		  printf("%s: %g\n", argv[i], elapsed(gettime(), start) / 100);
+		  free(src);
+	 }
+
+	 return EXIT_SUCCESS;
+}