test 2

Author: N-Maas

mt-kahypar/io/io_utils.h

@@ -29,6 +29,7 @@
 
 #include <fcntl.h>
 #include <string>
+#include <string_view>
 #include <thread>
 #include <sys/stat.h>
 
@@ -196,23 +197,15 @@ void goto_next_line(char* mapped_file, size_t& pos, size_t& current_line, const
 
 MT_KAHYPAR_ATTRIBUTE_ALWAYS_INLINE
 void goto_next_line_unrolled(char* mapped_file, size_t& pos, size_t& current_line, const size_t length) {
-  for ( ; pos + LOOP_UNROLLING_VALUE <= length; pos += LOOP_UNROLLING_VALUE ) {
-    bool found_end_of_line = false;
-    size_t offset = 0;
-    for (size_t i = 0; i < LOOP_UNROLLING_VALUE; ++i) {
-      if (mapped_file[pos + i] == '\n') {
-        found_end_of_line = true;
-        offset = i;
-        break; 
-      }
-    }
+  std::string_view sv(mapped_file + pos, length - pos);
+  size_t offset = sv.find('\n');
 
-    if (found_end_of_line) {
-      ASSERT(is_line_ending(mapped_file, pos + offset));
-      pos += (offset + 1);
-      ++current_line;
-      break;
-    }
+  if (offset != std::string_view::npos) {
+    ASSERT(is_line_ending(mapped_file, pos + offset));
+    pos += (offset + 1);
+    ++current_line;
+  } else {
+    pos = length;
   }
 }