[benchmark] Add Russian StringWalk variant (off by default)

Author: milseman

benchmark/single-source/StringWalk.swift

@@ -69,6 +69,7 @@ let utf16 = emoji + "the quick brown fox" + String(emoji.reversed() as Array<Cha
 let japanese = "今回のアップデートでSwiftに大幅な改良が施され、安定していてしかも直感的に使うことができるAppleプラットフォーム向けプログラミング言語になりました。"
 let chinese = "Swift 是面向 Apple 平台的编程语言，功能强大且直观易用，而本次更新对其进行了全面优化。"
 let korean = "이번 업데이트에서는 강력하면서도 직관적인 Apple 플랫폼용 프로그래밍 언어인 Swift를 완벽히 개선하였습니다."
+let russian = "в чащах юга жил-был цитрус? да, но фальшивый экземпляр"
 
 // A workload that's mostly Latin characters, with occasional emoji
 // interspersed. Common for tweets.
@@ -269,3 +270,33 @@ public func run_StringWalk_korean_characters_Backwards(_ N: Int) {
   }
 }
 
+
+@inline(never)
+public func run_StringWalk_russian_unicodeScalars(_ N: Int) {
+  for _ in 1...unicodeScalarsMultiplier*N {
+    count_unicodeScalars(russian.unicodeScalars)
+  }
+}
+
+@inline(never)
+public func run_StringWalk_russian_unicodeScalars_Backwards(_ N: Int) {
+  for _ in 1...unicodeScalarsMultiplier*N {
+    count_unicodeScalars_rev(russian.unicodeScalars.reversed())
+  }
+}
+
+
+@inline(never)
+public func run_StringWalk_russian_characters(_ N: Int) {
+  for _ in 1...charactersMultiplier*N {
+    count_characters(russian.characters)
+  }
+}
+
+@inline(never)
+public func run_StringWalk_russian_characters_Backwards(_ N: Int) {
+  for _ in 1...charactersMultiplier*N {
+    count_characters_rev(russian.characters.reversed())
+  }
+}
+

benchmark/single-source/StringWalk.swift.gyb

@@ -70,6 +70,7 @@ let utf16 = emoji + "the quick brown fox" + String(emoji.reversed() as Array<Cha
 let japanese = "今回のアップデートでSwiftに大幅な改良が施され、安定していてしかも直感的に使うことができるAppleプラットフォーム向けプログラミング言語になりました。"
 let chinese = "Swift 是面向 Apple 平台的编程语言，功能强大且直观易用，而本次更新对其进行了全面优化。"
 let korean = "이번 업데이트에서는 강력하면서도 직관적인 Apple 플랫폼용 프로그래밍 언어인 Swift를 완벽히 개선하였습니다."
+let russian = "в чащах юга жил-был цитрус? да, но фальшивый экземпляр"
 
 // A workload that's mostly Latin characters, with occasional emoji
 // interspersed. Common for tweets.
@@ -90,7 +91,7 @@ let baseMultiplier = 10_000
 let unicodeScalarsMultiplier = baseMultiplier
 let charactersMultiplier = baseMultiplier / 5
 
-% for Name in ["ascii", "utf16", "tweet", "japanese", "chinese", "korean"]:
+% for Name in ["ascii", "utf16", "tweet", "japanese", "chinese", "korean", "russian"]:
 %   for Kind in ["unicodeScalars", "characters"]:
 
 @inline(never)

benchmark/utils/main.swift

@@ -531,6 +531,10 @@ addTo(&stringTests, "StringWalk_korean_characters", run_StringWalk_korean_charac
 addTo(&stringTests, "StringWalk_korean_characters_Backwards", run_StringWalk_korean_characters_Backwards)
 addTo(&stringTests, "StringWalk_korean_unicodeScalars", run_StringWalk_korean_unicodeScalars)
 addTo(&stringTests, "StringWalk_korean_unicodeScalars_Backwards", run_StringWalk_korean_unicodeScalars_Backwards)
+addTo(&stringTests, "StringWalk_russian_characters", run_StringWalk_russian_characters)
+addTo(&stringTests, "StringWalk_russian_characters_Backwards", run_StringWalk_russian_characters_Backwards)
+addTo(&stringTests, "StringWalk_russian_unicodeScalars", run_StringWalk_russian_unicodeScalars)
+addTo(&stringTests, "StringWalk_russian_unicodeScalars_Backwards", run_StringWalk_russian_unicodeScalars_Backwards)
 addTo(&stringTests, "StringWalk_tweet_characters", run_StringWalk_tweet_characters)
 addTo(&stringTests, "StringWalk_tweet_characters_Backwards", run_StringWalk_tweet_characters_Backwards)
 addTo(&stringTests, "StringWalk_tweet_unicodeScalars", run_StringWalk_tweet_unicodeScalars)