diff --git a/bench_str.csv b/bench_str.csv
index dd630b6..a407acb 100644
--- a/bench_str.csv
+++ b/bench_str.csv
@@ -581,3 +581,6 @@
 1401926686,10117457.56,3362173.28,55924.05,1994411.93
 1401926711,11029110.99,4353057.39,49932.19,2239772.42
 1401926725,10862072.89,2750694.08,32263.88,2104475.43
+1402402553,11294194.69,4189904.32,49932.19,2123185.29
+1402402565,11164650.78,4006360.04,55924.05,2049352.49
+1402402578,9943455.54,3781047.14,45590.26,2166878.84
diff --git a/include/r3.h b/include/r3.h
index f46b061..6475ae8 100644
--- a/include/r3.h
+++ b/include/r3.h
@@ -31,8 +31,8 @@ struct _node {
     // edge  ** edge_table;
 
     // edges are mostly less than 255
-    unsigned char    edge_len;
     unsigned char    compare_type; // compare_type: pcre, opcode, string
+    unsigned char    edge_len;
     unsigned char    endpoint; // endpoint, should be zero for non-endpoint nodes
     unsigned char    ov_cnt; // capture vector array size for pcre
 
@@ -63,8 +63,8 @@ struct _node {
 #define node_edge_pattern_len(node,i) node->edges[i]->pattern_len
 
 struct _edge {
-    char * pattern;
-    node * child;
+    char * pattern; // 8 bytes
+    node * child; // 8 bytes
     unsigned char  pattern_len; // 1 byte
     unsigned char  opcode:4; // 4 bit
     unsigned char  has_slug:1; // 1 bit