diff --git a/src/benchmark/run.ts b/src/benchmark/run.ts
index c4ecaab..b896f90 100644
--- a/src/benchmark/run.ts
+++ b/src/benchmark/run.ts
@@ -64,12 +64,12 @@ async function go() {
     // {
     //   name: 'Elm Core',
     //   dir: 'testcases/core',
-    //   elmFile: 'Main.elm',
+    //   elmFile: 'V8/Benchmark.elm',
     // },
     // {
     //   name: 'Elm CSS',
     //   dir: 'testcases/elm-css',
-    //   elmFile: 'Main.elm',
+    //   elmFile: 'V8/Benchmark.elm',
     // },
     {
       name: 'Html',
@@ -79,28 +79,28 @@ async function go() {
     // {
     //   name: 'Elm UI',
     //   dir: 'testcases/elm-ui',
-    //   elmFile: 'Main.elm',
+    //   elmFile: 'V8/Benchmark.elm',
     // },
     // {
     //   name: 'Elm UI 2',
     //   dir: 'testcases/elm-ui-2',
-    //   elmFile: 'Main.elm',
+    //   elmFile: 'V8/Benchmark.elm',
     // },
     // {
     //   name: 'elm-animator',
     //   dir: 'testcases/elm-animator',
-    //   elmFile: 'Run.elm',
+    //   elmFile: 'V8/Benchmark.elm',
     // },
     // {
     //   name: 'Elm Markdown',
     //   dir: 'testcases/elm-markdown',
-    //   elmFile: 'Run.elm',
+    //   elmFile: 'V8/Benchmark.elm',
     // },
     // // // This one takes forever
     // {
     //   name: 'elm-obj-file',
     //   dir: 'testcases/elm-obj-file',
-    //   elmFile: 'Run.elm',
+    //   elmFile: 'V8/Benchmark.elm',
     // },
   ]);
   const result = await report;
diff --git a/testcases/arityexplorer/Main.elm b/testcases/arityexplorer/Suite.elm
similarity index 63%
rename from testcases/arityexplorer/Main.elm
rename to testcases/arityexplorer/Suite.elm
index 5a4b468..a4c1f6f 100644
--- a/testcases/arityexplorer/Main.elm
+++ b/testcases/arityexplorer/Suite.elm
@@ -1,24 +1,10 @@
-port module Main exposing (main)
+module Suite exposing (suite)
 
 {-| -}
 
 import Benchmark exposing (..)
-import Benchmark.Runner exposing (BenchmarkProgram, program)
-import Benchmark.Runner.Json
-import Dict
-import Html
-import Json.Decode
-import Json.Encode
-import List
 
 
-main : Benchmark.Runner.Json.JsonBenchmark
-main =
-    Benchmark.Runner.Json.program reportResults suite
-
-
-port reportResults : Json.Encode.Value -> Cmd msg
-
 
 type MyType
     = Zero
diff --git a/testcases/arityexplorer/V8/Benchmark.elm b/testcases/arityexplorer/V8/Benchmark.elm
new file mode 100644
index 0000000..48f0436
--- /dev/null
+++ b/testcases/arityexplorer/V8/Benchmark.elm
@@ -0,0 +1,14 @@
+port module V8.Benchmark exposing (main)
+
+{-| -}
+
+
+import Benchmark.Runner.Json
+import Suite
+import Json.Encode
+
+main : Benchmark.Runner.Json.JsonBenchmark
+main =
+    Benchmark.Runner.Json.program reportResults Suite.suite
+
+port reportResults : Json.Encode.Value -> Cmd msg
diff --git a/testcases/arityexplorer/V8/Benchmark/Runner/Json.elm b/testcases/arityexplorer/V8/Benchmark/Runner/Json.elm
new file mode 100644
index 0000000..48f0436
--- /dev/null
+++ b/testcases/arityexplorer/V8/Benchmark/Runner/Json.elm
@@ -0,0 +1,14 @@
+port module V8.Benchmark exposing (main)
+
+{-| -}
+
+
+import Benchmark.Runner.Json
+import Suite
+import Json.Encode
+
+main : Benchmark.Runner.Json.JsonBenchmark
+main =
+    Benchmark.Runner.Json.program reportResults Suite.suite
+
+port reportResults : Json.Encode.Value -> Cmd msg
diff --git a/testcases/arityexplorer/V8/Debug.elm b/testcases/arityexplorer/V8/Debug.elm
new file mode 100644
index 0000000..f3275b3
--- /dev/null
+++ b/testcases/arityexplorer/V8/Debug.elm
@@ -0,0 +1,64 @@
+module V8.Debug exposing (memory, optimizationStatus, reportV8StatusForBenchmarks)
+
+{-| -}
+
+import Json.Encode
+
+
+memory : String -> a -> a
+memory tag value =
+    value
+
+
+type Status
+    = Status Int
+
+
+optimizationStatus : String -> a -> a
+optimizationStatus tag value =
+    value
+
+
+{-|
+
+    hasFastProperties obj
+
+    hasFastSmiElements obj
+
+    hasFastObjectElements obj
+
+    hasFastDoubleElements obj
+
+    hasDictionaryElements obj
+
+    hasFastHoleyElements obj
+
+    haveSameMap ( obj1, obj2 )
+
+    isValidSmi obj
+
+    isSmi obj
+
+    hasFastSmiOrObjectElements obj
+
+    hasSloppyArgumentsElements obj
+
+-}
+type alias Memory =
+    { tag : String
+    , hasFastProperties : Bool
+    , hasFastSmiElements : Bool
+    , hasFastObjectElements : Bool
+    , hasFastDoubleElements : Bool
+    , hasDictionaryElements : Bool
+    , hasFastHoleyElements : Bool
+    , isValidSmi : Bool
+    , isSmi : Bool
+    , hasFastSmiOrObjectElements : Bool
+    , hasSloppyArgumentsElements : Bool
+    }
+
+
+reportV8StatusForBenchmarks : () -> Json.Encode.Value
+reportV8StatusForBenchmarks _ =
+    Json.Encode.null
diff --git a/testcases/arityexplorer/standard.html b/testcases/arityexplorer/standard.html
deleted file mode 100644
index f076b31..0000000
--- a/testcases/arityexplorer/standard.html
+++ /dev/null
@@ -1,22 +0,0 @@
-<html>
-  <head>
-    <meta charset="UTF-8" />
-    <title>Main</title>
-    <script src="output/elm.opt.js"></script>
-  </head>
-
-  <body>
-    <div id="myapp"></div>
-    <script>
-      var app = Elm.Main.init({
-        node: document.getElementById('myapp'),
-      });
-
-      window.results = [];
-      app.ports.reportResults.subscribe(function(message) {
-        window.results = message;
-        document.title = 'done';
-      });
-    </script>
-  </body>
-</html>
diff --git a/testcases/arityexplorer/transformed.html b/testcases/arityexplorer/transformed.html
deleted file mode 100644
index 5b8d016..0000000
--- a/testcases/arityexplorer/transformed.html
+++ /dev/null
@@ -1,21 +0,0 @@
-<html>
-  <head>
-    <meta charset="UTF-8" />
-    <title>Main</title>
-    <script src="output/elm.opt.transformed.js"></script>
-  </head>
-
-  <body>
-    <div id="myapp"></div>
-    <script>
-      var app = Elm.Main.init({
-        node: document.getElementById('myapp'),
-      });
-      window.results = [];
-      app.ports.reportResults.subscribe(function(message) {
-        window.results = message;
-        document.title = 'done';
-      });
-    </script>
-  </body>
-</html>
diff --git a/testcases/core/Main.elm b/testcases/core/Suite.elm
similarity index 95%
rename from testcases/core/Main.elm
rename to testcases/core/Suite.elm
index 24f8db4..b8289c2 100644
--- a/testcases/core/Main.elm
+++ b/testcases/core/Suite.elm
@@ -1,25 +1,13 @@
-port module Main exposing (main)
+module Suite exposing (suite)
 
 {-| -}
 
 import Benchmark exposing (..)
-import Benchmark.Runner exposing (BenchmarkProgram, program)
-import Benchmark.Runner.Json
 import Dict
-import Html
-import Json.Decode
 import Json.Encode
 import List
 
 
-main : Benchmark.Runner.Json.JsonBenchmark
-main =
-    Benchmark.Runner.Json.program reportResults suite
-
-
-port reportResults : Json.Encode.Value -> Cmd msg
-
-
 type MyType
     = Zero
     | One Int
diff --git a/testcases/core/V8/Benchmark.elm b/testcases/core/V8/Benchmark.elm
new file mode 100644
index 0000000..48f0436
--- /dev/null
+++ b/testcases/core/V8/Benchmark.elm
@@ -0,0 +1,14 @@
+port module V8.Benchmark exposing (main)
+
+{-| -}
+
+
+import Benchmark.Runner.Json
+import Suite
+import Json.Encode
+
+main : Benchmark.Runner.Json.JsonBenchmark
+main =
+    Benchmark.Runner.Json.program reportResults Suite.suite
+
+port reportResults : Json.Encode.Value -> Cmd msg
diff --git a/testcases/core/V8/Benchmark/Runner/Json.elm b/testcases/core/V8/Benchmark/Runner/Json.elm
new file mode 100644
index 0000000..48f0436
--- /dev/null
+++ b/testcases/core/V8/Benchmark/Runner/Json.elm
@@ -0,0 +1,14 @@
+port module V8.Benchmark exposing (main)
+
+{-| -}
+
+
+import Benchmark.Runner.Json
+import Suite
+import Json.Encode
+
+main : Benchmark.Runner.Json.JsonBenchmark
+main =
+    Benchmark.Runner.Json.program reportResults Suite.suite
+
+port reportResults : Json.Encode.Value -> Cmd msg
diff --git a/testcases/core/V8/Debug.elm b/testcases/core/V8/Debug.elm
new file mode 100644
index 0000000..f3275b3
--- /dev/null
+++ b/testcases/core/V8/Debug.elm
@@ -0,0 +1,64 @@
+module V8.Debug exposing (memory, optimizationStatus, reportV8StatusForBenchmarks)
+
+{-| -}
+
+import Json.Encode
+
+
+memory : String -> a -> a
+memory tag value =
+    value
+
+
+type Status
+    = Status Int
+
+
+optimizationStatus : String -> a -> a
+optimizationStatus tag value =
+    value
+
+
+{-|
+
+    hasFastProperties obj
+
+    hasFastSmiElements obj
+
+    hasFastObjectElements obj
+
+    hasFastDoubleElements obj
+
+    hasDictionaryElements obj
+
+    hasFastHoleyElements obj
+
+    haveSameMap ( obj1, obj2 )
+
+    isValidSmi obj
+
+    isSmi obj
+
+    hasFastSmiOrObjectElements obj
+
+    hasSloppyArgumentsElements obj
+
+-}
+type alias Memory =
+    { tag : String
+    , hasFastProperties : Bool
+    , hasFastSmiElements : Bool
+    , hasFastObjectElements : Bool
+    , hasFastDoubleElements : Bool
+    , hasDictionaryElements : Bool
+    , hasFastHoleyElements : Bool
+    , isValidSmi : Bool
+    , isSmi : Bool
+    , hasFastSmiOrObjectElements : Bool
+    , hasSloppyArgumentsElements : Bool
+    }
+
+
+reportV8StatusForBenchmarks : () -> Json.Encode.Value
+reportV8StatusForBenchmarks _ =
+    Json.Encode.null
diff --git a/testcases/core/standard.html b/testcases/core/standard.html
deleted file mode 100644
index f076b31..0000000
--- a/testcases/core/standard.html
+++ /dev/null
@@ -1,22 +0,0 @@
-<html>
-  <head>
-    <meta charset="UTF-8" />
-    <title>Main</title>
-    <script src="output/elm.opt.js"></script>
-  </head>
-
-  <body>
-    <div id="myapp"></div>
-    <script>
-      var app = Elm.Main.init({
-        node: document.getElementById('myapp'),
-      });
-
-      window.results = [];
-      app.ports.reportResults.subscribe(function(message) {
-        window.results = message;
-        document.title = 'done';
-      });
-    </script>
-  </body>
-</html>
diff --git a/testcases/core/transformed.html b/testcases/core/transformed.html
deleted file mode 100644
index 5b8d016..0000000
--- a/testcases/core/transformed.html
+++ /dev/null
@@ -1,21 +0,0 @@
-<html>
-  <head>
-    <meta charset="UTF-8" />
-    <title>Main</title>
-    <script src="output/elm.opt.transformed.js"></script>
-  </head>
-
-  <body>
-    <div id="myapp"></div>
-    <script>
-      var app = Elm.Main.init({
-        node: document.getElementById('myapp'),
-      });
-      window.results = [];
-      app.ports.reportResults.subscribe(function(message) {
-        window.results = message;
-        document.title = 'done';
-      });
-    </script>
-  </body>
-</html>
diff --git a/testcases/elm-animator/Run.elm b/testcases/elm-animator/Run.elm
deleted file mode 100644
index 66c24d9..0000000
--- a/testcases/elm-animator/Run.elm
+++ /dev/null
@@ -1,18 +0,0 @@
-port module Run exposing (main)
-
-{-| -}
-
-import Benchmark exposing (..)
-import Benchmark.Runner exposing (BenchmarkProgram, program)
-import Benchmark.Runner.Json
-import Benchmarks
-import Html
-import Json.Encode
-
-
-main : Benchmark.Runner.Json.JsonBenchmark
-main =
-    Benchmark.Runner.Json.program reportResults Benchmarks.suite
-
-
-port reportResults : Json.Encode.Value -> Cmd msg
diff --git a/testcases/elm-animator/Suite.elm b/testcases/elm-animator/Suite.elm
new file mode 100644
index 0000000..fd54348
--- /dev/null
+++ b/testcases/elm-animator/Suite.elm
@@ -0,0 +1,8 @@
+module Suite exposing (suite)
+
+{-| -}
+
+import Benchmarks
+
+suite = Benchmarks.suite
+
diff --git a/testcases/elm-animator/V8/Benchmark.elm b/testcases/elm-animator/V8/Benchmark.elm
new file mode 100644
index 0000000..48f0436
--- /dev/null
+++ b/testcases/elm-animator/V8/Benchmark.elm
@@ -0,0 +1,14 @@
+port module V8.Benchmark exposing (main)
+
+{-| -}
+
+
+import Benchmark.Runner.Json
+import Suite
+import Json.Encode
+
+main : Benchmark.Runner.Json.JsonBenchmark
+main =
+    Benchmark.Runner.Json.program reportResults Suite.suite
+
+port reportResults : Json.Encode.Value -> Cmd msg
diff --git a/testcases/elm-animator/V8/Benchmark/Runner/Json.elm b/testcases/elm-animator/V8/Benchmark/Runner/Json.elm
new file mode 100644
index 0000000..48f0436
--- /dev/null
+++ b/testcases/elm-animator/V8/Benchmark/Runner/Json.elm
@@ -0,0 +1,14 @@
+port module V8.Benchmark exposing (main)
+
+{-| -}
+
+
+import Benchmark.Runner.Json
+import Suite
+import Json.Encode
+
+main : Benchmark.Runner.Json.JsonBenchmark
+main =
+    Benchmark.Runner.Json.program reportResults Suite.suite
+
+port reportResults : Json.Encode.Value -> Cmd msg
diff --git a/testcases/elm-animator/V8/Debug.elm b/testcases/elm-animator/V8/Debug.elm
new file mode 100644
index 0000000..f3275b3
--- /dev/null
+++ b/testcases/elm-animator/V8/Debug.elm
@@ -0,0 +1,64 @@
+module V8.Debug exposing (memory, optimizationStatus, reportV8StatusForBenchmarks)
+
+{-| -}
+
+import Json.Encode
+
+
+memory : String -> a -> a
+memory tag value =
+    value
+
+
+type Status
+    = Status Int
+
+
+optimizationStatus : String -> a -> a
+optimizationStatus tag value =
+    value
+
+
+{-|
+
+    hasFastProperties obj
+
+    hasFastSmiElements obj
+
+    hasFastObjectElements obj
+
+    hasFastDoubleElements obj
+
+    hasDictionaryElements obj
+
+    hasFastHoleyElements obj
+
+    haveSameMap ( obj1, obj2 )
+
+    isValidSmi obj
+
+    isSmi obj
+
+    hasFastSmiOrObjectElements obj
+
+    hasSloppyArgumentsElements obj
+
+-}
+type alias Memory =
+    { tag : String
+    , hasFastProperties : Bool
+    , hasFastSmiElements : Bool
+    , hasFastObjectElements : Bool
+    , hasFastDoubleElements : Bool
+    , hasDictionaryElements : Bool
+    , hasFastHoleyElements : Bool
+    , isValidSmi : Bool
+    , isSmi : Bool
+    , hasFastSmiOrObjectElements : Bool
+    , hasSloppyArgumentsElements : Bool
+    }
+
+
+reportV8StatusForBenchmarks : () -> Json.Encode.Value
+reportV8StatusForBenchmarks _ =
+    Json.Encode.null
diff --git a/testcases/elm-css/Main.elm b/testcases/elm-css/Suite.elm
similarity index 69%
rename from testcases/elm-css/Main.elm
rename to testcases/elm-css/Suite.elm
index b962e2d..cf6ae82 100644
--- a/testcases/elm-css/Main.elm
+++ b/testcases/elm-css/Suite.elm
@@ -1,23 +1,12 @@
-port module Main exposing (main)
+module Suite exposing (suite)
 
 {-| -}
 
 import Benchmark exposing (..)
-import Benchmark.Runner exposing (BenchmarkProgram, program)
-import Benchmark.Runner.Json
 import Css exposing (..)
 import Html.Styled exposing (..)
-import Html.Styled.Attributes exposing (css, href, src)
-import Json.Encode
 
 
-main : Benchmark.Runner.Json.JsonBenchmark
-main =
-    Benchmark.Runner.Json.program reportResults suite
-
-
-port reportResults : Json.Encode.Value -> Cmd msg
-
 
 three =
     List.repeat 3 0
diff --git a/testcases/elm-css/V8/Benchmark.elm b/testcases/elm-css/V8/Benchmark.elm
new file mode 100644
index 0000000..48f0436
--- /dev/null
+++ b/testcases/elm-css/V8/Benchmark.elm
@@ -0,0 +1,14 @@
+port module V8.Benchmark exposing (main)
+
+{-| -}
+
+
+import Benchmark.Runner.Json
+import Suite
+import Json.Encode
+
+main : Benchmark.Runner.Json.JsonBenchmark
+main =
+    Benchmark.Runner.Json.program reportResults Suite.suite
+
+port reportResults : Json.Encode.Value -> Cmd msg
diff --git a/testcases/elm-css/V8/Benchmark/Runner/Json.elm b/testcases/elm-css/V8/Benchmark/Runner/Json.elm
new file mode 100644
index 0000000..48f0436
--- /dev/null
+++ b/testcases/elm-css/V8/Benchmark/Runner/Json.elm
@@ -0,0 +1,14 @@
+port module V8.Benchmark exposing (main)
+
+{-| -}
+
+
+import Benchmark.Runner.Json
+import Suite
+import Json.Encode
+
+main : Benchmark.Runner.Json.JsonBenchmark
+main =
+    Benchmark.Runner.Json.program reportResults Suite.suite
+
+port reportResults : Json.Encode.Value -> Cmd msg
diff --git a/testcases/elm-css/V8/Debug.elm b/testcases/elm-css/V8/Debug.elm
new file mode 100644
index 0000000..f3275b3
--- /dev/null
+++ b/testcases/elm-css/V8/Debug.elm
@@ -0,0 +1,64 @@
+module V8.Debug exposing (memory, optimizationStatus, reportV8StatusForBenchmarks)
+
+{-| -}
+
+import Json.Encode
+
+
+memory : String -> a -> a
+memory tag value =
+    value
+
+
+type Status
+    = Status Int
+
+
+optimizationStatus : String -> a -> a
+optimizationStatus tag value =
+    value
+
+
+{-|
+
+    hasFastProperties obj
+
+    hasFastSmiElements obj
+
+    hasFastObjectElements obj
+
+    hasFastDoubleElements obj
+
+    hasDictionaryElements obj
+
+    hasFastHoleyElements obj
+
+    haveSameMap ( obj1, obj2 )
+
+    isValidSmi obj
+
+    isSmi obj
+
+    hasFastSmiOrObjectElements obj
+
+    hasSloppyArgumentsElements obj
+
+-}
+type alias Memory =
+    { tag : String
+    , hasFastProperties : Bool
+    , hasFastSmiElements : Bool
+    , hasFastObjectElements : Bool
+    , hasFastDoubleElements : Bool
+    , hasDictionaryElements : Bool
+    , hasFastHoleyElements : Bool
+    , isValidSmi : Bool
+    , isSmi : Bool
+    , hasFastSmiOrObjectElements : Bool
+    , hasSloppyArgumentsElements : Bool
+    }
+
+
+reportV8StatusForBenchmarks : () -> Json.Encode.Value
+reportV8StatusForBenchmarks _ =
+    Json.Encode.null
diff --git a/testcases/elm-css/standard.html b/testcases/elm-css/standard.html
deleted file mode 100644
index f076b31..0000000
--- a/testcases/elm-css/standard.html
+++ /dev/null
@@ -1,22 +0,0 @@
-<html>
-  <head>
-    <meta charset="UTF-8" />
-    <title>Main</title>
-    <script src="output/elm.opt.js"></script>
-  </head>
-
-  <body>
-    <div id="myapp"></div>
-    <script>
-      var app = Elm.Main.init({
-        node: document.getElementById('myapp'),
-      });
-
-      window.results = [];
-      app.ports.reportResults.subscribe(function(message) {
-        window.results = message;
-        document.title = 'done';
-      });
-    </script>
-  </body>
-</html>
diff --git a/testcases/elm-css/transformed.html b/testcases/elm-css/transformed.html
deleted file mode 100644
index 5b8d016..0000000
--- a/testcases/elm-css/transformed.html
+++ /dev/null
@@ -1,21 +0,0 @@
-<html>
-  <head>
-    <meta charset="UTF-8" />
-    <title>Main</title>
-    <script src="output/elm.opt.transformed.js"></script>
-  </head>
-
-  <body>
-    <div id="myapp"></div>
-    <script>
-      var app = Elm.Main.init({
-        node: document.getElementById('myapp'),
-      });
-      window.results = [];
-      app.ports.reportResults.subscribe(function(message) {
-        window.results = message;
-        document.title = 'done';
-      });
-    </script>
-  </body>
-</html>
diff --git a/testcases/elm-markdown/Run.elm b/testcases/elm-markdown/Run.elm
deleted file mode 100644
index 66c24d9..0000000
--- a/testcases/elm-markdown/Run.elm
+++ /dev/null
@@ -1,18 +0,0 @@
-port module Run exposing (main)
-
-{-| -}
-
-import Benchmark exposing (..)
-import Benchmark.Runner exposing (BenchmarkProgram, program)
-import Benchmark.Runner.Json
-import Benchmarks
-import Html
-import Json.Encode
-
-
-main : Benchmark.Runner.Json.JsonBenchmark
-main =
-    Benchmark.Runner.Json.program reportResults Benchmarks.suite
-
-
-port reportResults : Json.Encode.Value -> Cmd msg
diff --git a/testcases/elm-markdown/Suite.elm b/testcases/elm-markdown/Suite.elm
new file mode 100644
index 0000000..f8727f2
--- /dev/null
+++ b/testcases/elm-markdown/Suite.elm
@@ -0,0 +1,12 @@
+module Suite exposing (suite)
+
+{-| -}
+
+
+import Benchmarks
+
+
+suite =
+    Benchmarks.suite
+
+
diff --git a/testcases/elm-markdown/V8/Benchmark.elm b/testcases/elm-markdown/V8/Benchmark.elm
new file mode 100644
index 0000000..48f0436
--- /dev/null
+++ b/testcases/elm-markdown/V8/Benchmark.elm
@@ -0,0 +1,14 @@
+port module V8.Benchmark exposing (main)
+
+{-| -}
+
+
+import Benchmark.Runner.Json
+import Suite
+import Json.Encode
+
+main : Benchmark.Runner.Json.JsonBenchmark
+main =
+    Benchmark.Runner.Json.program reportResults Suite.suite
+
+port reportResults : Json.Encode.Value -> Cmd msg
diff --git a/testcases/elm-markdown/V8/Benchmark/Runner/Json.elm b/testcases/elm-markdown/V8/Benchmark/Runner/Json.elm
new file mode 100644
index 0000000..48f0436
--- /dev/null
+++ b/testcases/elm-markdown/V8/Benchmark/Runner/Json.elm
@@ -0,0 +1,14 @@
+port module V8.Benchmark exposing (main)
+
+{-| -}
+
+
+import Benchmark.Runner.Json
+import Suite
+import Json.Encode
+
+main : Benchmark.Runner.Json.JsonBenchmark
+main =
+    Benchmark.Runner.Json.program reportResults Suite.suite
+
+port reportResults : Json.Encode.Value -> Cmd msg
diff --git a/testcases/elm-markdown/V8/Debug.elm b/testcases/elm-markdown/V8/Debug.elm
new file mode 100644
index 0000000..f3275b3
--- /dev/null
+++ b/testcases/elm-markdown/V8/Debug.elm
@@ -0,0 +1,64 @@
+module V8.Debug exposing (memory, optimizationStatus, reportV8StatusForBenchmarks)
+
+{-| -}
+
+import Json.Encode
+
+
+memory : String -> a -> a
+memory tag value =
+    value
+
+
+type Status
+    = Status Int
+
+
+optimizationStatus : String -> a -> a
+optimizationStatus tag value =
+    value
+
+
+{-|
+
+    hasFastProperties obj
+
+    hasFastSmiElements obj
+
+    hasFastObjectElements obj
+
+    hasFastDoubleElements obj
+
+    hasDictionaryElements obj
+
+    hasFastHoleyElements obj
+
+    haveSameMap ( obj1, obj2 )
+
+    isValidSmi obj
+
+    isSmi obj
+
+    hasFastSmiOrObjectElements obj
+
+    hasSloppyArgumentsElements obj
+
+-}
+type alias Memory =
+    { tag : String
+    , hasFastProperties : Bool
+    , hasFastSmiElements : Bool
+    , hasFastObjectElements : Bool
+    , hasFastDoubleElements : Bool
+    , hasDictionaryElements : Bool
+    , hasFastHoleyElements : Bool
+    , isValidSmi : Bool
+    , isSmi : Bool
+    , hasFastSmiOrObjectElements : Bool
+    , hasSloppyArgumentsElements : Bool
+    }
+
+
+reportV8StatusForBenchmarks : () -> Json.Encode.Value
+reportV8StatusForBenchmarks _ =
+    Json.Encode.null
diff --git a/testcases/elm-markdown/standard.html b/testcases/elm-markdown/standard.html
deleted file mode 100644
index 6837481..0000000
--- a/testcases/elm-markdown/standard.html
+++ /dev/null
@@ -1,22 +0,0 @@
-<html>
-  <head>
-    <meta charset="UTF-8" />
-    <title>Main</title>
-    <script src="output/elm.opt.js"></script>
-  </head>
-
-  <body>
-    <div id="myapp"></div>
-    <script>
-      var app = Elm.Run.init({
-        node: document.getElementById('myapp'),
-      });
-
-      window.results = [];
-      app.ports.reportResults.subscribe(function(message) {
-        window.results = message;
-        document.title = 'done';
-      });
-    </script>
-  </body>
-</html>
diff --git a/testcases/elm-markdown/transformed.html b/testcases/elm-markdown/transformed.html
deleted file mode 100644
index a872303..0000000
--- a/testcases/elm-markdown/transformed.html
+++ /dev/null
@@ -1,21 +0,0 @@
-<html>
-  <head>
-    <meta charset="UTF-8" />
-    <title>Main</title>
-    <script src="output/elm.opt.transformed.js"></script>
-  </head>
-
-  <body>
-    <div id="myapp"></div>
-    <script>
-      var app = Elm.Run.init({
-        node: document.getElementById('myapp'),
-      });
-      window.results = [];
-      app.ports.reportResults.subscribe(function(message) {
-        window.results = message;
-        document.title = 'done';
-      });
-    </script>
-  </body>
-</html>
diff --git a/testcases/elm-obj-file/Run.elm b/testcases/elm-obj-file/Suite.elm
similarity index 99%
rename from testcases/elm-obj-file/Run.elm
rename to testcases/elm-obj-file/Suite.elm
index b6474aa..c4c5407 100644
--- a/testcases/elm-obj-file/Run.elm
+++ b/testcases/elm-obj-file/Suite.elm
@@ -1,4 +1,4 @@
-port module Run exposing (main)
+module Suite exposing (suite)
 
 {-| -}
 
@@ -11,12 +11,6 @@ import Length
 import Obj.Decode
 
 
-main : Benchmark.Runner.Json.JsonBenchmark
-main =
-    Benchmark.Runner.Json.program reportResults suite
-
-
-port reportResults : Json.Encode.Value -> Cmd msg
 
 
 suite =
diff --git a/testcases/elm-obj-file/V8/Benchmark.elm b/testcases/elm-obj-file/V8/Benchmark.elm
new file mode 100644
index 0000000..48f0436
--- /dev/null
+++ b/testcases/elm-obj-file/V8/Benchmark.elm
@@ -0,0 +1,14 @@
+port module V8.Benchmark exposing (main)
+
+{-| -}
+
+
+import Benchmark.Runner.Json
+import Suite
+import Json.Encode
+
+main : Benchmark.Runner.Json.JsonBenchmark
+main =
+    Benchmark.Runner.Json.program reportResults Suite.suite
+
+port reportResults : Json.Encode.Value -> Cmd msg
diff --git a/testcases/elm-obj-file/V8/Benchmark/Runner/Json.elm b/testcases/elm-obj-file/V8/Benchmark/Runner/Json.elm
new file mode 100644
index 0000000..48f0436
--- /dev/null
+++ b/testcases/elm-obj-file/V8/Benchmark/Runner/Json.elm
@@ -0,0 +1,14 @@
+port module V8.Benchmark exposing (main)
+
+{-| -}
+
+
+import Benchmark.Runner.Json
+import Suite
+import Json.Encode
+
+main : Benchmark.Runner.Json.JsonBenchmark
+main =
+    Benchmark.Runner.Json.program reportResults Suite.suite
+
+port reportResults : Json.Encode.Value -> Cmd msg
diff --git a/testcases/elm-obj-file/V8/Debug.elm b/testcases/elm-obj-file/V8/Debug.elm
new file mode 100644
index 0000000..f3275b3
--- /dev/null
+++ b/testcases/elm-obj-file/V8/Debug.elm
@@ -0,0 +1,64 @@
+module V8.Debug exposing (memory, optimizationStatus, reportV8StatusForBenchmarks)
+
+{-| -}
+
+import Json.Encode
+
+
+memory : String -> a -> a
+memory tag value =
+    value
+
+
+type Status
+    = Status Int
+
+
+optimizationStatus : String -> a -> a
+optimizationStatus tag value =
+    value
+
+
+{-|
+
+    hasFastProperties obj
+
+    hasFastSmiElements obj
+
+    hasFastObjectElements obj
+
+    hasFastDoubleElements obj
+
+    hasDictionaryElements obj
+
+    hasFastHoleyElements obj
+
+    haveSameMap ( obj1, obj2 )
+
+    isValidSmi obj
+
+    isSmi obj
+
+    hasFastSmiOrObjectElements obj
+
+    hasSloppyArgumentsElements obj
+
+-}
+type alias Memory =
+    { tag : String
+    , hasFastProperties : Bool
+    , hasFastSmiElements : Bool
+    , hasFastObjectElements : Bool
+    , hasFastDoubleElements : Bool
+    , hasDictionaryElements : Bool
+    , hasFastHoleyElements : Bool
+    , isValidSmi : Bool
+    , isSmi : Bool
+    , hasFastSmiOrObjectElements : Bool
+    , hasSloppyArgumentsElements : Bool
+    }
+
+
+reportV8StatusForBenchmarks : () -> Json.Encode.Value
+reportV8StatusForBenchmarks _ =
+    Json.Encode.null
diff --git a/testcases/elm-obj-file/standard.html b/testcases/elm-obj-file/standard.html
deleted file mode 100644
index 6837481..0000000
--- a/testcases/elm-obj-file/standard.html
+++ /dev/null
@@ -1,22 +0,0 @@
-<html>
-  <head>
-    <meta charset="UTF-8" />
-    <title>Main</title>
-    <script src="output/elm.opt.js"></script>
-  </head>
-
-  <body>
-    <div id="myapp"></div>
-    <script>
-      var app = Elm.Run.init({
-        node: document.getElementById('myapp'),
-      });
-
-      window.results = [];
-      app.ports.reportResults.subscribe(function(message) {
-        window.results = message;
-        document.title = 'done';
-      });
-    </script>
-  </body>
-</html>
diff --git a/testcases/elm-obj-file/transformed.html b/testcases/elm-obj-file/transformed.html
deleted file mode 100644
index a872303..0000000
--- a/testcases/elm-obj-file/transformed.html
+++ /dev/null
@@ -1,21 +0,0 @@
-<html>
-  <head>
-    <meta charset="UTF-8" />
-    <title>Main</title>
-    <script src="output/elm.opt.transformed.js"></script>
-  </head>
-
-  <body>
-    <div id="myapp"></div>
-    <script>
-      var app = Elm.Run.init({
-        node: document.getElementById('myapp'),
-      });
-      window.results = [];
-      app.ports.reportResults.subscribe(function(message) {
-        window.results = message;
-        document.title = 'done';
-      });
-    </script>
-  </body>
-</html>
diff --git a/testcases/elm-ui-2/Main.elm b/testcases/elm-ui-2/Suite.elm
similarity index 65%
rename from testcases/elm-ui-2/Main.elm
rename to testcases/elm-ui-2/Suite.elm
index 1f6ce06..58cb1db 100644
--- a/testcases/elm-ui-2/Main.elm
+++ b/testcases/elm-ui-2/Suite.elm
@@ -1,25 +1,16 @@
-port module Main exposing (main)
+module Suite exposing (suite)
 
 {-| -}
 
 import Benchmark exposing (..)
-import Benchmark.Runner exposing (BenchmarkProgram, program)
-import Benchmark.Runner.Json
+
 import Element2 exposing (..)
 import Element2.Background as Background
 import Element2.Font as Font
-import Html
-import Html.Attributes as Attr
-import Json.Encode
 
 
-main : Benchmark.Runner.Json.JsonBenchmark
-main =
-    Benchmark.Runner.Json.program reportResults suite
 
 
-port reportResults : Json.Encode.Value -> Cmd msg
-
 
 three =
     List.repeat 3 0
diff --git a/testcases/elm-ui-2/V8/Benchmark.elm b/testcases/elm-ui-2/V8/Benchmark.elm
new file mode 100644
index 0000000..48f0436
--- /dev/null
+++ b/testcases/elm-ui-2/V8/Benchmark.elm
@@ -0,0 +1,14 @@
+port module V8.Benchmark exposing (main)
+
+{-| -}
+
+
+import Benchmark.Runner.Json
+import Suite
+import Json.Encode
+
+main : Benchmark.Runner.Json.JsonBenchmark
+main =
+    Benchmark.Runner.Json.program reportResults Suite.suite
+
+port reportResults : Json.Encode.Value -> Cmd msg
diff --git a/testcases/elm-ui-2/V8/Benchmark/Runner/Json.elm b/testcases/elm-ui-2/V8/Benchmark/Runner/Json.elm
new file mode 100644
index 0000000..48f0436
--- /dev/null
+++ b/testcases/elm-ui-2/V8/Benchmark/Runner/Json.elm
@@ -0,0 +1,14 @@
+port module V8.Benchmark exposing (main)
+
+{-| -}
+
+
+import Benchmark.Runner.Json
+import Suite
+import Json.Encode
+
+main : Benchmark.Runner.Json.JsonBenchmark
+main =
+    Benchmark.Runner.Json.program reportResults Suite.suite
+
+port reportResults : Json.Encode.Value -> Cmd msg
diff --git a/testcases/elm-ui-2/V8/Debug.elm b/testcases/elm-ui-2/V8/Debug.elm
new file mode 100644
index 0000000..f3275b3
--- /dev/null
+++ b/testcases/elm-ui-2/V8/Debug.elm
@@ -0,0 +1,64 @@
+module V8.Debug exposing (memory, optimizationStatus, reportV8StatusForBenchmarks)
+
+{-| -}
+
+import Json.Encode
+
+
+memory : String -> a -> a
+memory tag value =
+    value
+
+
+type Status
+    = Status Int
+
+
+optimizationStatus : String -> a -> a
+optimizationStatus tag value =
+    value
+
+
+{-|
+
+    hasFastProperties obj
+
+    hasFastSmiElements obj
+
+    hasFastObjectElements obj
+
+    hasFastDoubleElements obj
+
+    hasDictionaryElements obj
+
+    hasFastHoleyElements obj
+
+    haveSameMap ( obj1, obj2 )
+
+    isValidSmi obj
+
+    isSmi obj
+
+    hasFastSmiOrObjectElements obj
+
+    hasSloppyArgumentsElements obj
+
+-}
+type alias Memory =
+    { tag : String
+    , hasFastProperties : Bool
+    , hasFastSmiElements : Bool
+    , hasFastObjectElements : Bool
+    , hasFastDoubleElements : Bool
+    , hasDictionaryElements : Bool
+    , hasFastHoleyElements : Bool
+    , isValidSmi : Bool
+    , isSmi : Bool
+    , hasFastSmiOrObjectElements : Bool
+    , hasSloppyArgumentsElements : Bool
+    }
+
+
+reportV8StatusForBenchmarks : () -> Json.Encode.Value
+reportV8StatusForBenchmarks _ =
+    Json.Encode.null
diff --git a/testcases/elm-ui-2/standard.html b/testcases/elm-ui-2/standard.html
deleted file mode 100644
index f076b31..0000000
--- a/testcases/elm-ui-2/standard.html
+++ /dev/null
@@ -1,22 +0,0 @@
-<html>
-  <head>
-    <meta charset="UTF-8" />
-    <title>Main</title>
-    <script src="output/elm.opt.js"></script>
-  </head>
-
-  <body>
-    <div id="myapp"></div>
-    <script>
-      var app = Elm.Main.init({
-        node: document.getElementById('myapp'),
-      });
-
-      window.results = [];
-      app.ports.reportResults.subscribe(function(message) {
-        window.results = message;
-        document.title = 'done';
-      });
-    </script>
-  </body>
-</html>
diff --git a/testcases/elm-ui-2/transformed.html b/testcases/elm-ui-2/transformed.html
deleted file mode 100644
index 5b8d016..0000000
--- a/testcases/elm-ui-2/transformed.html
+++ /dev/null
@@ -1,21 +0,0 @@
-<html>
-  <head>
-    <meta charset="UTF-8" />
-    <title>Main</title>
-    <script src="output/elm.opt.transformed.js"></script>
-  </head>
-
-  <body>
-    <div id="myapp"></div>
-    <script>
-      var app = Elm.Main.init({
-        node: document.getElementById('myapp'),
-      });
-      window.results = [];
-      app.ports.reportResults.subscribe(function(message) {
-        window.results = message;
-        document.title = 'done';
-      });
-    </script>
-  </body>
-</html>
diff --git a/testcases/elm-ui/Main.elm b/testcases/elm-ui/Suite.elm
similarity index 65%
rename from testcases/elm-ui/Main.elm
rename to testcases/elm-ui/Suite.elm
index 256ea3b..9f87f1d 100644
--- a/testcases/elm-ui/Main.elm
+++ b/testcases/elm-ui/Suite.elm
@@ -1,24 +1,11 @@
-port module Main exposing (main)
+module Suite exposing (suite)
 
 {-| -}
 
 import Benchmark exposing (..)
-import Benchmark.Runner exposing (BenchmarkProgram, program)
-import Benchmark.Runner.Json
 import Element exposing (..)
 import Element.Background as Background
 import Element.Font as Font
-import Html
-import Html.Attributes as Attr
-import Json.Encode
-
-
-main : Benchmark.Runner.Json.JsonBenchmark
-main =
-    Benchmark.Runner.Json.program reportResults suite
-
-
-port reportResults : Json.Encode.Value -> Cmd msg
 
 
 three =
diff --git a/testcases/elm-ui/V8/Benchmark.elm b/testcases/elm-ui/V8/Benchmark.elm
new file mode 100644
index 0000000..48f0436
--- /dev/null
+++ b/testcases/elm-ui/V8/Benchmark.elm
@@ -0,0 +1,14 @@
+port module V8.Benchmark exposing (main)
+
+{-| -}
+
+
+import Benchmark.Runner.Json
+import Suite
+import Json.Encode
+
+main : Benchmark.Runner.Json.JsonBenchmark
+main =
+    Benchmark.Runner.Json.program reportResults Suite.suite
+
+port reportResults : Json.Encode.Value -> Cmd msg
diff --git a/testcases/elm-ui/V8/Benchmark/Runner/Json.elm b/testcases/elm-ui/V8/Benchmark/Runner/Json.elm
new file mode 100644
index 0000000..48f0436
--- /dev/null
+++ b/testcases/elm-ui/V8/Benchmark/Runner/Json.elm
@@ -0,0 +1,14 @@
+port module V8.Benchmark exposing (main)
+
+{-| -}
+
+
+import Benchmark.Runner.Json
+import Suite
+import Json.Encode
+
+main : Benchmark.Runner.Json.JsonBenchmark
+main =
+    Benchmark.Runner.Json.program reportResults Suite.suite
+
+port reportResults : Json.Encode.Value -> Cmd msg
diff --git a/testcases/elm-ui/V8/Debug.elm b/testcases/elm-ui/V8/Debug.elm
new file mode 100644
index 0000000..f3275b3
--- /dev/null
+++ b/testcases/elm-ui/V8/Debug.elm
@@ -0,0 +1,64 @@
+module V8.Debug exposing (memory, optimizationStatus, reportV8StatusForBenchmarks)
+
+{-| -}
+
+import Json.Encode
+
+
+memory : String -> a -> a
+memory tag value =
+    value
+
+
+type Status
+    = Status Int
+
+
+optimizationStatus : String -> a -> a
+optimizationStatus tag value =
+    value
+
+
+{-|
+
+    hasFastProperties obj
+
+    hasFastSmiElements obj
+
+    hasFastObjectElements obj
+
+    hasFastDoubleElements obj
+
+    hasDictionaryElements obj
+
+    hasFastHoleyElements obj
+
+    haveSameMap ( obj1, obj2 )
+
+    isValidSmi obj
+
+    isSmi obj
+
+    hasFastSmiOrObjectElements obj
+
+    hasSloppyArgumentsElements obj
+
+-}
+type alias Memory =
+    { tag : String
+    , hasFastProperties : Bool
+    , hasFastSmiElements : Bool
+    , hasFastObjectElements : Bool
+    , hasFastDoubleElements : Bool
+    , hasDictionaryElements : Bool
+    , hasFastHoleyElements : Bool
+    , isValidSmi : Bool
+    , isSmi : Bool
+    , hasFastSmiOrObjectElements : Bool
+    , hasSloppyArgumentsElements : Bool
+    }
+
+
+reportV8StatusForBenchmarks : () -> Json.Encode.Value
+reportV8StatusForBenchmarks _ =
+    Json.Encode.null
diff --git a/testcases/elm-ui/standard.html b/testcases/elm-ui/standard.html
deleted file mode 100644
index f076b31..0000000
--- a/testcases/elm-ui/standard.html
+++ /dev/null
@@ -1,22 +0,0 @@
-<html>
-  <head>
-    <meta charset="UTF-8" />
-    <title>Main</title>
-    <script src="output/elm.opt.js"></script>
-  </head>
-
-  <body>
-    <div id="myapp"></div>
-    <script>
-      var app = Elm.Main.init({
-        node: document.getElementById('myapp'),
-      });
-
-      window.results = [];
-      app.ports.reportResults.subscribe(function(message) {
-        window.results = message;
-        document.title = 'done';
-      });
-    </script>
-  </body>
-</html>
diff --git a/testcases/elm-ui/transformed.html b/testcases/elm-ui/transformed.html
deleted file mode 100644
index 5b8d016..0000000
--- a/testcases/elm-ui/transformed.html
+++ /dev/null
@@ -1,21 +0,0 @@
-<html>
-  <head>
-    <meta charset="UTF-8" />
-    <title>Main</title>
-    <script src="output/elm.opt.transformed.js"></script>
-  </head>
-
-  <body>
-    <div id="myapp"></div>
-    <script>
-      var app = Elm.Main.init({
-        node: document.getElementById('myapp'),
-      });
-      window.results = [];
-      app.ports.reportResults.subscribe(function(message) {
-        window.results = message;
-        document.title = 'done';
-      });
-    </script>
-  </body>
-</html>
diff --git a/testcases/simple/V8/Benchmark.elm b/testcases/simple/V8/Benchmark.elm
new file mode 100644
index 0000000..48f0436
--- /dev/null
+++ b/testcases/simple/V8/Benchmark.elm
@@ -0,0 +1,14 @@
+port module V8.Benchmark exposing (main)
+
+{-| -}
+
+
+import Benchmark.Runner.Json
+import Suite
+import Json.Encode
+
+main : Benchmark.Runner.Json.JsonBenchmark
+main =
+    Benchmark.Runner.Json.program reportResults Suite.suite
+
+port reportResults : Json.Encode.Value -> Cmd msg
diff --git a/testcases/simple/V8/Benchmark/Runner/Json.elm b/testcases/simple/V8/Benchmark/Runner/Json.elm
new file mode 100644
index 0000000..48f0436
--- /dev/null
+++ b/testcases/simple/V8/Benchmark/Runner/Json.elm
@@ -0,0 +1,14 @@
+port module V8.Benchmark exposing (main)
+
+{-| -}
+
+
+import Benchmark.Runner.Json
+import Suite
+import Json.Encode
+
+main : Benchmark.Runner.Json.JsonBenchmark
+main =
+    Benchmark.Runner.Json.program reportResults Suite.suite
+
+port reportResults : Json.Encode.Value -> Cmd msg
diff --git a/testcases/simple/V8/Debug.elm b/testcases/simple/V8/Debug.elm
new file mode 100644
index 0000000..f3275b3
--- /dev/null
+++ b/testcases/simple/V8/Debug.elm
@@ -0,0 +1,64 @@
+module V8.Debug exposing (memory, optimizationStatus, reportV8StatusForBenchmarks)
+
+{-| -}
+
+import Json.Encode
+
+
+memory : String -> a -> a
+memory tag value =
+    value
+
+
+type Status
+    = Status Int
+
+
+optimizationStatus : String -> a -> a
+optimizationStatus tag value =
+    value
+
+
+{-|
+
+    hasFastProperties obj
+
+    hasFastSmiElements obj
+
+    hasFastObjectElements obj
+
+    hasFastDoubleElements obj
+
+    hasDictionaryElements obj
+
+    hasFastHoleyElements obj
+
+    haveSameMap ( obj1, obj2 )
+
+    isValidSmi obj
+
+    isSmi obj
+
+    hasFastSmiOrObjectElements obj
+
+    hasSloppyArgumentsElements obj
+
+-}
+type alias Memory =
+    { tag : String
+    , hasFastProperties : Bool
+    , hasFastSmiElements : Bool
+    , hasFastObjectElements : Bool
+    , hasFastDoubleElements : Bool
+    , hasDictionaryElements : Bool
+    , hasFastHoleyElements : Bool
+    , isValidSmi : Bool
+    , isSmi : Bool
+    , hasFastSmiOrObjectElements : Bool
+    , hasSloppyArgumentsElements : Bool
+    }
+
+
+reportV8StatusForBenchmarks : () -> Json.Encode.Value
+reportV8StatusForBenchmarks _ =
+    Json.Encode.null