[benchmark] PopFront Legacy Factor

Author: palimondo

benchmark/single-source/PopFront.swift

@@ -13,36 +13,38 @@
 import TestsUtils
 
 public let PopFront = [
-  BenchmarkInfo(name: "PopFrontArray", runFunction: run_PopFrontArray, tags: [.validation, .api, .Array]),
-  BenchmarkInfo(name: "PopFrontUnsafePointer", runFunction: run_PopFrontUnsafePointer, tags: [.validation, .api]),
+  BenchmarkInfo(name: "PopFrontArray",
+    runFunction: run_PopFrontArray,
+    tags: [.validation, .api, .Array],
+    legacyFactor: 20),
+  BenchmarkInfo(name: "PopFrontUnsafePointer",
+    runFunction: run_PopFrontUnsafePointer,
+    tags: [.validation, .api],
+    legacyFactor: 100),
 ]
 
-let reps = 1
 let arrayCount = 1024
 
 @inline(never)
 public func run_PopFrontArray(_ N: Int) {
   let orig = Array(repeating: 1, count: arrayCount)
   var a = [Int]()
-  for _ in 1...20*N {
-    for _ in 1...reps {
+  for _ in 1...N {
       var result = 0
       a.append(contentsOf: orig)
       while a.count != 0 {
         result += a[0]
         a.remove(at: 0)
       }
       CheckResults(result == arrayCount)
-    }
   }
 }
 
 @inline(never)
 public func run_PopFrontUnsafePointer(_ N: Int) {
   var orig = Array(repeating: 1, count: arrayCount)
   let a = UnsafeMutablePointer<Int>.allocate(capacity: arrayCount)
-  for _ in 1...100*N {
-    for _ in 1...reps {
+  for _ in 1...N {
       for i in 0..<arrayCount {
         a[i] = orig[i]
       }
@@ -54,8 +56,6 @@ public func run_PopFrontUnsafePointer(_ N: Int) {
         count -= 1
       }
       CheckResults(result == arrayCount)
-    }
   }
   a.deallocate()
 }
-

benchmark/single-source/PopFrontGeneric.swift

@@ -15,9 +15,9 @@ import TestsUtils
 public let PopFrontArrayGeneric = BenchmarkInfo(
   name: "PopFrontArrayGeneric",
   runFunction: run_PopFrontArrayGeneric,
-  tags: [.validation, .api, .Array])
+  tags: [.validation, .api, .Array],
+  legacyFactor: 20)
 
-let reps = 1
 let arrayCount = 1024
 
 // This test case exposes rdar://17440222 which caused rdar://17974483 (popFront
@@ -50,15 +50,13 @@ func myArrayReplace<
 public func run_PopFrontArrayGeneric(_ N: Int) {
   let orig = Array(repeating: 1, count: arrayCount)
   var a = [Int]()
-  for _ in 1...20*N {
-    for _ in 1...reps {
+  for _ in 1...N {
       var result = 0
       a.append(contentsOf: orig)
       while a.count != 0 {
         result += a[0]
         myArrayReplace(&a, 0..<1, EmptyCollection())
       }
       CheckResults(result == arrayCount)
-    }
   }
 }