diff --git a/README.md b/README.md
index 6a1c762..97ccbbd 100644
--- a/README.md
+++ b/README.md
@@ -984,22 +984,28 @@ concurrently.
 
 ## Benchmark
 
+MacBook Pro (15-inch, 2018)
+
+Processor 2.2 GHz 6-Core Intel Core i7
+
+Memory 16 GB 2400 MHz DDR4
+
+Graphics Radeon Pro 555X 4 GB
+
+Intel UHD Graphics 630 1536 MB
+
 macOS Big Sur
+
 Version 11.7.9
 
-MacBook Pro (15-inch, 2018)
-Processor 2.2 GHz 6-Core Intel Core i7
-Memory 16 GB 2400 MHz DDR4
-Graphics Radeon Pro 555X 4 GB
-Intel UHD Graphics 630 1536 MB
 
 [//]: # (No deletion!!! Start of Replace Section)
 <div class="json-to-html-collapse clearfix 0">
       <div class='collapsible level0' ><span class='json-to-html-label'>heap</span></div>
       <div class="content"><table style="display: table; width:100%; table-layout: fixed;"><tr><th>test name</th><th>time taken (ms)</th><th>executions per sec</th><th>sample deviation</th></tr><tr><td>100,000 add</td><td>6.46</td><td>154.91</td><td>3.36e-4</td></tr><tr><td>100,000 add & poll</td><td>31.62</td><td>31.62</td><td>8.04e-4</td></tr></table></div>
     </div><div id="json-to-html"><div class="json-to-html-collapse clearfix 0">
-      <div class='collapsible level0' ><span class='json-to-html-label'>rb-tree</span></div>
-      <div class="content"><table style="display: table; width:100%; table-layout: fixed;"><tr><th>test name</th><th>time taken (ms)</th><th>executions per sec</th><th>sample deviation</th></tr><tr><td>100,000 add orderly</td><td>92.78</td><td>10.78</td><td>0.00</td></tr><tr><td>100,000 add & delete orderly</td><td>164.95</td><td>6.06</td><td>0.00</td></tr><tr><td>100,000 add randomly</td><td>96.14</td><td>10.40</td><td>0.00</td></tr><tr><td>100,000 add & delete randomly</td><td>268.32</td><td>3.73</td><td>0.02</td></tr><tr><td>100,000 add & get randomly</td><td>221.23</td><td>4.52</td><td>0.00</td></tr><tr><td>100,000 add & iterator</td><td>130.01</td><td>7.69</td><td>0.01</td></tr></table></div>
+      <div class="collapsible level0"><span class="json-to-html-label">rb-tree</span></div>
+      <div class="content"><table style="display: table; width:100%; table-layout: fixed;"><tbody><tr><th>test name</th><th>time taken (ms)</th><th>executions per sec</th><th>sample deviation</th></tr><tr><td>100,000 add</td><td>92.86</td><td>10.77</td><td>0.00</td></tr><tr><td>100,000 get</td><td>112.39</td><td>8.90</td><td>8.37e-4</td></tr><tr><td>100,000 iterator</td><td>30.56</td><td>32.72</td><td>0.00</td></tr><tr><td>100,000 add &amp; delete orderly</td><td>175.06</td><td>5.71</td><td>0.02</td></tr><tr><td>100,000 add &amp; delete randomly</td><td>263.48</td><td>3.80</td><td>0.00</td></tr></tbody></table></div>
     </div>
 
 </div><div class="json-to-html-collapse clearfix 0">
diff --git a/test/performance/data-structures/binary-tree/rb-tree.test.ts b/test/performance/data-structures/binary-tree/rb-tree.test.ts
index dcefa15..298c0ca 100644
--- a/test/performance/data-structures/binary-tree/rb-tree.test.ts
+++ b/test/performance/data-structures/binary-tree/rb-tree.test.ts
@@ -11,37 +11,28 @@ const randomArray = getRandomIntArray(HUNDRED_THOUSAND, 0, HUNDRED_THOUSAND - 1,
 const cOrderedMap = new OrderedMap<number, number>();
 
 suite
-  .add(`${HUNDRED_THOUSAND.toLocaleString()} add orderly`, () => {
+  .add(`${HUNDRED_THOUSAND.toLocaleString()} add`, () => {
     rbTree.clear();
     for (let i = 0; i < randomArray.length; i++) rbTree.add(i);
   })
+  .add(`${HUNDRED_THOUSAND.toLocaleString()} get`, () => {
+    for (let i = 0; i < randomArray.length; i++) rbTree.get(randomArray[i]);
+  })
+  .add(`${HUNDRED_THOUSAND.toLocaleString()} iterator`, () => {
+    const entries = [...rbTree];
+    return entries.length === HUNDRED_THOUSAND;
+  })
   .add(`${HUNDRED_THOUSAND.toLocaleString()} add & delete orderly`, () => {
     rbTree.clear();
     for (let i = 0; i < randomArray.length; i++) rbTree.add(i);
     for (let i = 0; i < randomArray.length; i++) rbTree.delete(i);
   })
-  .add(`${HUNDRED_THOUSAND.toLocaleString()} add randomly`, () => {
-    rbTree.clear();
-    for (let i = 0; i < randomArray.length; i++) rbTree.add(randomArray[i]);
-  })
   .add(`${HUNDRED_THOUSAND.toLocaleString()} add & delete randomly`, () => {
     rbTree.clear();
     for (let i = 0; i < randomArray.length; i++) rbTree.add(randomArray[i]);
     for (let i = 0; i < randomArray.length; i++) rbTree.delete(randomArray[i]);
-  })
-  .add(`${HUNDRED_THOUSAND.toLocaleString()} add & get randomly`, () => {
-    rbTree.clear();
-    for (let i = 0; i < randomArray.length; i++) rbTree.add(randomArray[i]);
-    for (let i = 0; i < randomArray.length; i++) rbTree.get(randomArray[i]);
   });
 
-suite.add(`${HUNDRED_THOUSAND.toLocaleString()} add & iterator`, () => {
-  rbTree.clear();
-  for (let i = 0; i < randomArray.length; i++) rbTree.add(randomArray[i]);
-  const entries = [...rbTree];
-  return entries.length === HUNDRED_THOUSAND;
-});
-
 if (isCompetitor) {
   suite.add(`CPT ${HUNDRED_THOUSAND.toLocaleString()} add`, () => {
     for (let i = 0; i < randomArray.length; i++) cOrderedMap.setElement(randomArray[i], randomArray[i]);