[parser] Reduced test size to not timeout on atom

This halfs the test size but also halfs the baseline for the score to
make it comparable.

Bug: v8:7926
Change-Id: Id3769def6a555ef1bddf8dd5e54c04b8652e5b54
Reviewed-on: https://chromium-review.googlesource.com/1188465Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Commit-Queue: Florian Sattler <sattlerf@google.com>
Cr-Commit-Position: refs/heads/master@{#55403}

test/js-perf-test/Parsing/arrowfunctions.js

@@ -2,54 +2,54 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-new BenchmarkSuite("ArrowFunctionShort", [2000], [
+new BenchmarkSuite("ArrowFunctionShort", [1000], [
   new Benchmark("ArrowFunctionShort", false, true, iterations, Run, ArrowFunctionShortSetup)
 ]);
 
-new BenchmarkSuite("ArrowFunctionLong", [2000], [
+new BenchmarkSuite("ArrowFunctionLong", [1000], [
   new Benchmark("ArrowFunctionLong", false, true, iterations, Run, ArrowFunctionLongSetup)
 ]);
 
-new BenchmarkSuite("CommaSepExpressionListShort", [2000], [
+new BenchmarkSuite("CommaSepExpressionListShort", [1000], [
   new Benchmark("CommaSepExpressionListShort", false, true, iterations, Run, CommaSepExpressionListShortSetup)
 ]);
 
-new BenchmarkSuite("CommaSepExpressionListLong", [2000], [
+new BenchmarkSuite("CommaSepExpressionListLong", [1000], [
   new Benchmark("CommaSepExpressionListLong", false, true, iterations, Run, CommaSepExpressionListLongSetup)
 ]);
 
-new BenchmarkSuite("CommaSepExpressionListLate", [2000], [
+new BenchmarkSuite("CommaSepExpressionListLate", [1000], [
   new Benchmark("CommaSepExpressionListLate", false, true, iterations, Run, CommaSepExpressionListLateSetup)
 ]);
 
-new BenchmarkSuite("FakeArrowFunction", [2000], [
+new BenchmarkSuite("FakeArrowFunction", [1000], [
   new Benchmark("FakeArrowFunction", false, true, iterations, Run, FakeArrowFunctionSetup)
 ]);
 
 function ArrowFunctionShortSetup() {
-  code = "let a;\n" + "a = (a,b) => { return a+b; }\n".repeat(200)
+  code = "let a;\n" + "a = (a,b) => { return a+b; }\n".repeat(100)
 }
 
 function ArrowFunctionLongSetup() {
-  code = "let a;\n" + "a = (a,b,c,d,e,f,g,h,i,j) => { return a+b; }\n".repeat(200)
+  code = "let a;\n" + "a = (a,b,c,d,e,f,g,h,i,j) => { return a+b; }\n".repeat(100)
 }
 
 function CommaSepExpressionListShortSetup() {
-  code = "let a;\n" + "a = (a,1)\n".repeat(200)
+  code = "let a;\n" + "a = (a,1)\n".repeat(100)
 }
 
 function CommaSepExpressionListLongSetup() {
-  code = "let a; let b; let c;\n" + "a = (a,2,3,4,5,b,c,1,7,1)\n".repeat(200)
+  code = "let a; let b; let c;\n" + "a = (a,2,3,4,5,b,c,1,7,1)\n".repeat(100)
 }
 
 function CommaSepExpressionListLateSetup() {
   code = "let a; let b; let c; let d; let e; let f; let g; let h; let i;\n"
-    + "a = (a,b,c,d,e,f,g,h,i,1)\n".repeat(200)
+    + "a = (a,b,c,d,e,f,g,h,i,1)\n".repeat(100)
 }
 
 function FakeArrowFunctionSetup() {
   code = "let a; let b; let c; let d; let e; let f; let g; let h; let i; let j;\n"
-    + "a = (a,b,c,d,e,f,g,h,i,j)\n".repeat(200)
+    + "a = (a,b,c,d,e,f,g,h,i,j)\n".repeat(100)
 }
 
 function Run() {