[Benchmarks] Add Collection Equality Benchmarks

Benchmarks/Sources/Benchmarks/DequeBenchmarks.swift

@@ -512,7 +512,7 @@ extension Benchmark {
     }
 
     self.add(
-      title: "Deque<Int> equality different instance",
+      title: "Deque<Int> equality, unique",
       input: Int.self
     ) { size in
       let left = Deque(0 ..< size)
@@ -525,7 +525,7 @@ extension Benchmark {
     }
 
     self.add(
-      title: "Deque<Int> equality same instance",
+      title: "Deque<Int> equality, shared",
       input: Int.self
     ) { size in
       let left = Deque(0 ..< size)
@@ -536,5 +536,6 @@ extension Benchmark {
         }
       }
     }
+
   }
 }

Benchmarks/Sources/Benchmarks/DictionaryBenchmarks.swift

@@ -407,6 +407,34 @@ extension Benchmark {
         blackHole(d)
       }
     }
-
+
+    self.add(
+      title: "Dictionary<Int, Int> equality, unique",
+      input: [Int].self
+    ) { input in
+      let keysAndValues = input.map { ($0, 2 * $0) }
+      let left = Dictionary(uniqueKeysWithValues: keysAndValues)
+      let right = Dictionary(uniqueKeysWithValues: keysAndValues)
+      return { timer in
+        timer.measure {
+          precondition(left == right)
+        }
+      }
+    }
+
+    self.add(
+      title: "Dictionary<Int, Int> equality, shared",
+      input: [Int].self
+    ) { input in
+      let keysAndValues = input.map { ($0, 2 * $0) }
+      let left = Dictionary(uniqueKeysWithValues: keysAndValues)
+      let right = left
+      return { timer in
+        timer.measure {
+          precondition(left == right)
+        }
+      }
+    }
+
   }
 }

Benchmarks/Sources/Benchmarks/OrderedDictionaryBenchmarks.swift

@@ -541,7 +541,7 @@ extension Benchmark {
     }
 
     self.add(
-      title: "OrderedDictionary<Int, Int> equality different instance",
+      title: "OrderedDictionary<Int, Int> equality, unique",
       input: [Int].self
     ) { input in
       let keysAndValues = input.map { ($0, 2 * $0) }
@@ -555,7 +555,7 @@ extension Benchmark {
     }
 
     self.add(
-      title: "OrderedDictionary<Int, Int> equality same instance",
+      title: "OrderedDictionary<Int, Int> equality, shared",
       input: [Int].self
     ) { input in
       let keysAndValues = input.map { ($0, 2 * $0) }
@@ -569,7 +569,7 @@ extension Benchmark {
     }
 
     self.add(
-      title: "OrderedDictionary<Int, Int>.Values equality different instance",
+      title: "OrderedDictionary<Int, Int>.Values equality, unique",
       input: [Int].self
     ) { input in
       let keysAndValues = input.map { ($0, 2 * $0) }
@@ -583,7 +583,7 @@ extension Benchmark {
     }
 
     self.add(
-      title: "OrderedDictionary<Int, Int>.Values equality same instance",
+      title: "OrderedDictionary<Int, Int>.Values equality, shared",
       input: [Int].self
     ) { input in
       let keysAndValues = input.map { ($0, 2 * $0) }
@@ -595,5 +595,6 @@ extension Benchmark {
         }
       }
     }
+
   }
 }

Benchmarks/Sources/Benchmarks/OrderedSetBenchmarks.swift

@@ -557,7 +557,7 @@ extension Benchmark {
     }
 
     self.add(
-      title: "OrderedSet<Int> equality different instance",
+      title: "OrderedSet<Int> equality, unique",
       input: Int.self
     ) { size in
       return { timer in
@@ -570,7 +570,7 @@ extension Benchmark {
     }
 
     self.add(
-      title: "OrderedSet<Int> equality same instance",
+      title: "OrderedSet<Int> equality, shared",
       input: Int.self
     ) { size in
       return { timer in
@@ -583,7 +583,7 @@ extension Benchmark {
     }
 
     self.add(
-      title: "OrderedSet<Int>.SubSequence equality different instance",
+      title: "OrderedSet<Int>.SubSequence equality, unique",
       input: Int.self
     ) { size in
       return { timer in
@@ -596,7 +596,7 @@ extension Benchmark {
     }
 
     self.add(
-      title: "OrderedSet<Int>.SubSequence equality same instance",
+      title: "OrderedSet<Int>.SubSequence equality, shared",
       input: Int.self
     ) { size in
       return { timer in

Benchmarks/Sources/Benchmarks/SetBenchmarks.swift

@@ -473,5 +473,32 @@ extension Benchmark {
         }
       }
     }
+
+    self.add(
+      title: "Set<Int> equality, unique",
+      input: Int.self
+    ) { size in
+      return { timer in
+        let left = Set(0 ..< size)
+        let right = Set(0 ..< size)
+        timer.measure {
+          precondition(left == right)
+        }
+      }
+    }
+
+    self.add(
+      title: "Set<Int> equality, shared",
+      input: Int.self
+    ) { size in
+      return { timer in
+        let left = Set(0 ..< size)
+        let right = left
+        timer.measure {
+          precondition(left == right)
+        }
+      }
+    }
+
   }
 }

Benchmarks/Sources/Benchmarks/ShareableSetBenchmarks.swift

@@ -446,5 +446,32 @@ extension Benchmark {
         }
       }
     }
+
+    self.add(
+      title: "TreeSet<Int> equality, unique",
+      input: Int.self
+    ) { size in
+      return { timer in
+        let left = TreeSet(0 ..< size)
+        let right = TreeSet(0 ..< size)
+        timer.measure {
+          precondition(left == right)
+        }
+      }
+    }
+
+    self.add(
+      title: "TreeSet<Int> equality, shared",
+      input: Int.self
+    ) { size in
+      return { timer in
+        let left = TreeSet(0 ..< size)
+        let right = left
+        timer.measure {
+          precondition(left == right)
+        }
+      }
+    }
+
   }
 }