Merge pull request #296 from Mike1117/fix/drop-size

Fix incorrect DROP_SIZE usage

Author: jserv

dudect/constant.c

@@ -77,7 +77,7 @@ bool measure(int64_t *before_ticks,
 
     switch (mode) {
     case DUT(insert_head):
-        for (size_t i = DROP_SIZE; i < N_MEASURES - DROP_SIZE; i++) {
+        for (size_t i = 0; i < N_MEASURES; i++) {
             char *s = get_random_string();
             dut_new();
             dut_insert_head(
@@ -94,7 +94,7 @@ bool measure(int64_t *before_ticks,
         }
         break;
     case DUT(insert_tail):
-        for (size_t i = DROP_SIZE; i < N_MEASURES - DROP_SIZE; i++) {
+        for (size_t i = 0; i < N_MEASURES; i++) {
             char *s = get_random_string();
             dut_new();
             dut_insert_head(
@@ -111,7 +111,7 @@ bool measure(int64_t *before_ticks,
         }
         break;
     case DUT(remove_head):
-        for (size_t i = DROP_SIZE; i < N_MEASURES - DROP_SIZE; i++) {
+        for (size_t i = 0; i < N_MEASURES; i++) {
             dut_new();
             dut_insert_head(
                 get_random_string(),
@@ -129,7 +129,7 @@ bool measure(int64_t *before_ticks,
         }
         break;
     case DUT(remove_tail):
-        for (size_t i = DROP_SIZE; i < N_MEASURES - DROP_SIZE; i++) {
+        for (size_t i = 0; i < N_MEASURES; i++) {
             dut_new();
             dut_insert_head(
                 get_random_string(),
@@ -147,7 +147,7 @@ bool measure(int64_t *before_ticks,
         }
         break;
     default:
-        for (size_t i = DROP_SIZE; i < N_MEASURES - DROP_SIZE; i++) {
+        for (size_t i = 0; i < N_MEASURES; i++) {
             dut_new();
             dut_insert_head(
                 get_random_string(),

dudect/fixture.c

@@ -103,7 +103,7 @@ static void update_statistics(const int64_t *exec_times,
                               uint8_t *classes,
                               int64_t *percentiles)
 {
-    for (size_t i = 0; i < N_MEASURES; i++) {
+    for (size_t i = DROP_SIZE; i < N_MEASURES - DROP_SIZE; i++) {
         int64_t difference = exec_times[i];
         /* CPU cycle counter overflowed or dropped measurement */
         if (difference <= 0)