From cef7c43daf132c5cf092bf1bccf1ed53bc9d5de5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Oscar=20Bystr=C3=B6m=20Ericsson?= <oscbyspro@protonmail.com>
Date: Thu, 22 Feb 2024 20:33:07 +0100
Subject: [PATCH] FlattenSequence/distance(from:to:) benchmarks (v5).

1. Replaced occurrences of Repeated<T> with Array<T>.
---
 .../single-source/FlattenDistanceFromTo.swift | 92 ++++++++-----------
 1 file changed, 40 insertions(+), 52 deletions(-)

diff --git a/benchmark/single-source/FlattenDistanceFromTo.swift b/benchmark/single-source/FlattenDistanceFromTo.swift
index a7bd19b0f2e..ccda625b36f 100644
--- a/benchmark/single-source/FlattenDistanceFromTo.swift
+++ b/benchmark/single-source/FlattenDistanceFromTo.swift
@@ -14,73 +14,67 @@ import TestsUtils
 
 public let FlattenDistanceFromTo = [
   BenchmarkInfo(
-    name: "FlattenDistanceFromTo.RandomAccess.16x16",
-    runFunction: { with(randomAccess16x16, $0) },
+    name: "FlattenDistanceFromTo.Array.Array.16.16",
+    runFunction: { with(arrayArray16x16, $0) },
     tags: [.validation, .api],
-    setUpFunction: { blackHole(randomAccess16x16) }),
+    setUpFunction: { blackHole(arrayArray16x16) }),
 
   BenchmarkInfo(
-    name: "FlattenDistanceFromTo.RandomAccess.16x32",
-    runFunction: { with(randomAccess16x32, $0) },
+    name: "FlattenDistanceFromTo.Array.Array.16.32",
+    runFunction: { with(arrayArray16x32, $0) },
     tags: [.validation, .api],
-    setUpFunction: { blackHole(randomAccess16x32) }),
+    setUpFunction: { blackHole(arrayArray16x32) }),
 
   BenchmarkInfo(
-    name: "FlattenDistanceFromTo.RandomAccess.32x16",
-    runFunction: { with(randomAccess32x16, $0) },
+    name: "FlattenDistanceFromTo.Array.Array.32.16",
+    runFunction: { with(arrayArray32x16, $0) },
     tags: [.validation, .api],
-    setUpFunction: { blackHole(randomAccess32x16) }),
+    setUpFunction: { blackHole(arrayArray32x16) }),
 
   BenchmarkInfo(
-    name: "FlattenDistanceFromTo.RandomAccess.32x32",
-    runFunction: { with(randomAccess32x32, $0) },
+    name: "FlattenDistanceFromTo.Array.Array.32.32",
+    runFunction: { with(arrayArray32x32, $0) },
     tags: [.validation, .api],
-    setUpFunction: { blackHole(randomAccess32x32) }),
+    setUpFunction: { blackHole(arrayArray32x32) }),
   
   BenchmarkInfo(
-    name: "FlattenDistanceFromTo.RepeatString.08x08",
-    runFunction: { with(repeatString08x08, $0) },
+    name: "FlattenDistanceFromTo.Array.String.08.08",
+    runFunction: { with(arrayString08x08, $0) },
     tags: [.validation, .api],
-    setUpFunction: { blackHole(repeatString08x08) }),
+    setUpFunction: { blackHole(arrayString08x08) }),
 
   BenchmarkInfo(
-    name: "FlattenDistanceFromTo.RepeatString.08x16",
-    runFunction: { with(repeatString08x16, $0) },
+    name: "FlattenDistanceFromTo.Array.String.08.16",
+    runFunction: { with(arrayString08x16, $0) },
     tags: [.validation, .api],
-    setUpFunction: { blackHole(repeatString08x16) }),
+    setUpFunction: { blackHole(arrayString08x16) }),
 
   BenchmarkInfo(
-    name: "FlattenDistanceFromTo.RepeatString.16x08",
-    runFunction: { with(repeatString16x08, $0) },
+    name: "FlattenDistanceFromTo.Array.String.16.08",
+    runFunction: { with(arrayString16x08, $0) },
     tags: [.validation, .api],
-    setUpFunction: { blackHole(repeatString16x08) }),
+    setUpFunction: { blackHole(arrayString16x08) }),
 
   BenchmarkInfo(
-    name: "FlattenDistanceFromTo.RepeatString.16x16",
-    runFunction: { with(repeatString16x16, $0) },
+    name: "FlattenDistanceFromTo.Array.String.16.16",
+    runFunction: { with(arrayString16x16, $0) },
     tags: [.validation, .api],
-    setUpFunction: { blackHole(repeatString16x16) }),
+    setUpFunction: { blackHole(arrayString16x16) }),
 ]
 
-// MARK: - Random Access
+// MARK: - Array Array
 
-func makeRandomAccess(
-  _ outer: Int,
-  _ inner: Int
-) -> FlattenSequence<Repeated<Repeated<Int>>> {
-  repeatElement(repeatElement(0, count: inner), count: outer).joined()
+func makeArrayArray(_ outer: Int, _ inner: Int) -> FlattenSequence<[[UInt8]]> {
+  Array(repeating: Array(repeating: 123, count: inner), count: outer).joined()
 }
 
-let randomAccess16x16 = makeRandomAccess(16, 16)
-let randomAccess16x32 = makeRandomAccess(16, 32)
-let randomAccess32x16 = makeRandomAccess(32, 16)
-let randomAccess32x32 = makeRandomAccess(32, 32)
+let arrayArray16x16 = makeArrayArray(16, 16)
+let arrayArray16x32 = makeArrayArray(16, 32)
+let arrayArray32x16 = makeArrayArray(32, 16)
+let arrayArray32x32 = makeArrayArray(32, 32)
 
 @inline(never)
-public func with(
-  _ collection: FlattenSequence<Repeated<Repeated<Int>>>,
-  _ iterations: Int
-) {
+public func with(_ collection: FlattenSequence<[[UInt8]]>, _ iterations: Int) {
   var value = 0 as Int
   
   for _ in 0 ..< iterations {
@@ -95,25 +89,19 @@ public func with(
   blackHole(value == 0)
 }
 
-// MARK: - Repeat String
+// MARK: - Array String
 
-func makeRepeatString(
-  _ outer: Int,
-  _ inner: Int
-) -> FlattenSequence<Repeated<String>> {
-  repeatElement(String(repeating: "0", count: inner), count: outer).joined()
+func makeArrayString(_ outer: Int, _ inner: Int) -> FlattenSequence<[String]> {
+  Array(repeating: String(repeating: "0", count: inner), count: outer).joined()
 }
 
-let repeatString08x08 = makeRepeatString(08, 08)
-let repeatString08x16 = makeRepeatString(08, 16)
-let repeatString16x08 = makeRepeatString(16, 08)
-let repeatString16x16 = makeRepeatString(16, 16)
+let arrayString08x08 = makeArrayString(08, 08)
+let arrayString08x16 = makeArrayString(08, 16)
+let arrayString16x08 = makeArrayString(16, 08)
+let arrayString16x16 = makeArrayString(16, 16)
 
 @inline(never)
-public func with(
-  _ collection: FlattenSequence<Repeated<String>>,
-  _ iterations: Int
-) {
+public func with(_ collection: FlattenSequence<[String]>, _ iterations: Int) {
   var value = 0 as Int
   
   for _ in 0 ..< iterations {