Try to thwart the optimizer

Catfish-Man · Catfish-Man · commit 4f363f72f13d · 2023-05-10T10:55:37.000-07:00
diff --git a/benchmark/single-source/NaiveRangeReplaceableCollectionConformance.swift b/benchmark/single-source/NaiveRangeReplaceableCollectionConformance.swift
@@ -86,10 +86,10 @@ public func runAppendLargeContiguous(N: Int) {
 public func runAppendSmallContiguousRepeatedly(N: Int) {
   for _ in 1...N {
     var rrc = NaiveRRC()
-    for _ in 1...30_000_000 {
+    for _ in 1...10_000_000 {
       rrc.append(contentsOf: contiguous)
+      blackHole(rrc)
     }
-    blackHole(rrc)
   }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -86,10 +86,10 @@ public func runAppendLargeContiguous(N: Int) {`
`86`	`86`	`public func runAppendSmallContiguousRepeatedly(N: Int) {`
`87`	`87`	`for _ in 1...N {`
`88`	`88`	`var rrc = NaiveRRC()`
`89`		`- for _ in 1...30_000_000 {`
	`89`	`+ for _ in 1...10_000_000 {`
`90`	`90`	`rrc.append(contentsOf: contiguous)`
	`91`	`+ blackHole(rrc)`
`91`	`92`	`}`
`92`		`- blackHole(rrc)`
`93`	`93`	`}`
`94`	`94`	`}`
`95`	`95`