diff --git a/tests/perf/test-array-read.js b/tests/perf/test-array-read.js
index 690c168e..b9bf6dec 100644
--- a/tests/perf/test-array-read.js
+++ b/tests/perf/test-array-read.js
@@ -7,7 +7,16 @@ function test() {
     var i;
     var ign;
 
-    for (i = 0; i < 1e8; i++) {
+    for (i = 0; i < 1e7; i++) {
+        ign = arr[7];
+        ign = arr[7];
+        ign = arr[7];
+        ign = arr[7];
+        ign = arr[7];
+        ign = arr[7];
+        ign = arr[7];
+        ign = arr[7];
+        ign = arr[7];
         ign = arr[7];
     }
 }
diff --git a/tests/perf/test-array-read.lua b/tests/perf/test-array-read.lua
index 95ad58a7..f5ec5697 100644
--- a/tests/perf/test-array-read.lua
+++ b/tests/perf/test-array-read.lua
@@ -1,7 +1,17 @@
 function test()
     local arr = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }
-    for i=1,1e8 do
-        local ign = arr[8]
+    local ign
+    for i=1,1e7 do
+        ign = arr[8]
+        ign = arr[8]
+        ign = arr[8]
+        ign = arr[8]
+        ign = arr[8]
+        ign = arr[8]
+        ign = arr[8]
+        ign = arr[8]
+        ign = arr[8]
+        ign = arr[8]
     end
 end
 
diff --git a/tests/perf/test-array-read.pl b/tests/perf/test-array-read.pl
index fc89ba73..13325581 100644
--- a/tests/perf/test-array-read.pl
+++ b/tests/perf/test-array-read.pl
@@ -3,7 +3,16 @@ sub test {
     my $i;
     my $ign;
 
-    for ($i = 0; $i < 1e8; $i++) {
+    for ($i = 0; $i < 1e7; $i++) {
+        $ign = $arr[7];
+        $ign = $arr[7];
+        $ign = $arr[7];
+        $ign = $arr[7];
+        $ign = $arr[7];
+        $ign = $arr[7];
+        $ign = $arr[7];
+        $ign = $arr[7];
+        $ign = $arr[7];
         $ign = $arr[7];
     }
 }
diff --git a/tests/perf/test-array-read.py b/tests/perf/test-array-read.py
index 7a7c9fff..6b2e098f 100644
--- a/tests/perf/test-array-read.py
+++ b/tests/perf/test-array-read.py
@@ -1,7 +1,16 @@
 def test():
 	arr = [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ];
 	i = 0
-	while i < 1e8:
+	while i < 1e7:
+		ign = arr[7]
+		ign = arr[7]
+		ign = arr[7]
+		ign = arr[7]
+		ign = arr[7]
+		ign = arr[7]
+		ign = arr[7]
+		ign = arr[7]
+		ign = arr[7]
 		ign = arr[7]
 		i += 1
 
diff --git a/tests/perf/test-array-read.rb b/tests/perf/test-array-read.rb
index 9116097a..6f70206d 100644
--- a/tests/perf/test-array-read.rb
+++ b/tests/perf/test-array-read.rb
@@ -1,7 +1,16 @@
 def test()
     arr = Array[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ]
     i = 0
-    while i < 1e8 do
+    while i < 1e7 do
+        ign = arr[7]
+        ign = arr[7]
+        ign = arr[7]
+        ign = arr[7]
+        ign = arr[7]
+        ign = arr[7]
+        ign = arr[7]
+        ign = arr[7]
+        ign = arr[7]
         ign = arr[7]
         i += 1
     end
diff --git a/tests/perf/test-array-write.js b/tests/perf/test-array-write.js
index 51c9e6a2..c3338840 100644
--- a/tests/perf/test-array-write.js
+++ b/tests/perf/test-array-write.js
@@ -6,7 +6,16 @@ function test() {
     var arr = [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ];
     var i;
 
-    for (i = 0; i < 1e8; i++) {
+    for (i = 0; i < 1e7; i++) {
+        arr[7] = 234;
+        arr[7] = 234;
+        arr[7] = 234;
+        arr[7] = 234;
+        arr[7] = 234;
+        arr[7] = 234;
+        arr[7] = 234;
+        arr[7] = 234;
+        arr[7] = 234;
         arr[7] = 234;
     }
 }
diff --git a/tests/perf/test-array-write.lua b/tests/perf/test-array-write.lua
index d4dfa224..4aa9193e 100644
--- a/tests/perf/test-array-write.lua
+++ b/tests/perf/test-array-write.lua
@@ -1,6 +1,15 @@
 function test()
     local arr = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }
-    for i=1,1e8 do
+    for i=1,1e7 do
+        arr[8] = 234
+        arr[8] = 234
+        arr[8] = 234
+        arr[8] = 234
+        arr[8] = 234
+        arr[8] = 234
+        arr[8] = 234
+        arr[8] = 234
+        arr[8] = 234
         arr[8] = 234
     end
 end
diff --git a/tests/perf/test-array-write.pl b/tests/perf/test-array-write.pl
index c6aca990..3a0c8e2d 100644
--- a/tests/perf/test-array-write.pl
+++ b/tests/perf/test-array-write.pl
@@ -3,7 +3,16 @@ sub test {
     my $i;
     my $ign;
 
-    for ($i = 0; $i < 1e8; $i++) {
+    for ($i = 0; $i < 1e7; $i++) {
+        $arr[7] = 234;
+        $arr[7] = 234;
+        $arr[7] = 234;
+        $arr[7] = 234;
+        $arr[7] = 234;
+        $arr[7] = 234;
+        $arr[7] = 234;
+        $arr[7] = 234;
+        $arr[7] = 234;
         $arr[7] = 234;
     }
 }
diff --git a/tests/perf/test-array-write.py b/tests/perf/test-array-write.py
index 20fcd61e..4d0d36f6 100644
--- a/tests/perf/test-array-write.py
+++ b/tests/perf/test-array-write.py
@@ -1,7 +1,16 @@
 def test():
 	arr = [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ];
 	i = 0
-	while i < 1e8:
+	while i < 1e7:
+		arr[7] = 234
+		arr[7] = 234
+		arr[7] = 234
+		arr[7] = 234
+		arr[7] = 234
+		arr[7] = 234
+		arr[7] = 234
+		arr[7] = 234
+		arr[7] = 234
 		arr[7] = 234
 		i += 1
 
diff --git a/tests/perf/test-array-write.rb b/tests/perf/test-array-write.rb
index 2dc3e2b9..fdd172bf 100644
--- a/tests/perf/test-array-write.rb
+++ b/tests/perf/test-array-write.rb
@@ -1,7 +1,16 @@
 def test()
     arr = Array[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ]
     i = 0
-    while i < 1e8 do
+    while i < 1e7 do
+        arr[7] = 234
+        arr[7] = 234
+        arr[7] = 234
+        arr[7] = 234
+        arr[7] = 234
+        arr[7] = 234
+        arr[7] = 234
+        arr[7] = 234
+        arr[7] = 234
         arr[7] = 234
         i += 1
     end
diff --git a/tests/perf/test-break-fast.js b/tests/perf/test-break-fast.js
index c9f9b3f2..44b41b9c 100644
--- a/tests/perf/test-break-fast.js
+++ b/tests/perf/test-break-fast.js
@@ -1,6 +1,33 @@
 function test() {
     var i;
-    for (i = 0; i < 1e8; i++) {
+    for (i = 0; i < 1e7; i++) {
+        do {
+            break;
+        } while (0);
+        do {
+            break;
+        } while (0);
+        do {
+            break;
+        } while (0);
+        do {
+            break;
+        } while (0);
+        do {
+            break;
+        } while (0);
+        do {
+            break;
+        } while (0);
+        do {
+            break;
+        } while (0);
+        do {
+            break;
+        } while (0);
+        do {
+            break;
+        } while (0);
         do {
             break;
         } while (0);
diff --git a/tests/perf/test-break-slow.js b/tests/perf/test-break-slow.js
index 3f92e7af..b9a06b7d 100644
--- a/tests/perf/test-break-slow.js
+++ b/tests/perf/test-break-slow.js
@@ -1,6 +1,60 @@
 function test() {
     var i;
-    for (i = 0; i < 1e8; i++) {
+    for (i = 0; i < 1e7; i++) {
+        do {
+            try {
+                break;
+            } finally {
+            }
+        } while (0);
+        do {
+            try {
+                break;
+            } finally {
+            }
+        } while (0);
+        do {
+            try {
+                break;
+            } finally {
+            }
+        } while (0);
+        do {
+            try {
+                break;
+            } finally {
+            }
+        } while (0);
+        do {
+            try {
+                break;
+            } finally {
+            }
+        } while (0);
+        do {
+            try {
+                break;
+            } finally {
+            }
+        } while (0);
+        do {
+            try {
+                break;
+            } finally {
+            }
+        } while (0);
+        do {
+            try {
+                break;
+            } finally {
+            }
+        } while (0);
+        do {
+            try {
+                break;
+            } finally {
+            }
+        } while (0);
         do {
             try {
                 break;
diff --git a/tests/perf/test-buffer-nodejs-read.js b/tests/perf/test-buffer-nodejs-read.js
index 7ef5284b..107b6f55 100644
--- a/tests/perf/test-buffer-nodejs-read.js
+++ b/tests/perf/test-buffer-nodejs-read.js
@@ -4,7 +4,16 @@ function test() {
 
     print(typeof b);
 
-    for (i = 0; i < 1e8; i++) {
+    for (i = 0; i < 1e7; i++) {
+        void b[100];
+        void b[100];
+        void b[100];
+        void b[100];
+        void b[100];
+        void b[100];
+        void b[100];
+        void b[100];
+        void b[100];
         void b[100];
     }
 }
diff --git a/tests/perf/test-buffer-nodejs-write.js b/tests/perf/test-buffer-nodejs-write.js
index 228e1600..0d77f3d5 100644
--- a/tests/perf/test-buffer-nodejs-write.js
+++ b/tests/perf/test-buffer-nodejs-write.js
@@ -4,7 +4,16 @@ function test() {
 
     print(typeof b);
 
-    for (i = 0; i < 1e8; i++) {
+    for (i = 0; i < 1e7; i++) {
+        b[100] = 123;
+        b[100] = 123;
+        b[100] = 123;
+        b[100] = 123;
+        b[100] = 123;
+        b[100] = 123;
+        b[100] = 123;
+        b[100] = 123;
+        b[100] = 123;
         b[100] = 123;
     }
 }
diff --git a/tests/perf/test-buffer-object-read.js b/tests/perf/test-buffer-object-read.js
index 727245e7..058ff48c 100644
--- a/tests/perf/test-buffer-object-read.js
+++ b/tests/perf/test-buffer-object-read.js
@@ -4,7 +4,16 @@ function test() {
 
     print(typeof b);
 
-    for (i = 0; i < 1e8; i++) {
+    for (i = 0; i < 1e7; i++) {
+        void b[100];
+        void b[100];
+        void b[100];
+        void b[100];
+        void b[100];
+        void b[100];
+        void b[100];
+        void b[100];
+        void b[100];
         void b[100];
     }
 }
diff --git a/tests/perf/test-buffer-object-write.js b/tests/perf/test-buffer-object-write.js
index 64958ff8..04bd81bf 100644
--- a/tests/perf/test-buffer-object-write.js
+++ b/tests/perf/test-buffer-object-write.js
@@ -4,7 +4,16 @@ function test() {
 
     print(typeof b);
 
-    for (i = 0; i < 1e8; i++) {
+    for (i = 0; i < 1e7; i++) {
+        b[100] = 123;
+        b[100] = 123;
+        b[100] = 123;
+        b[100] = 123;
+        b[100] = 123;
+        b[100] = 123;
+        b[100] = 123;
+        b[100] = 123;
+        b[100] = 123;
         b[100] = 123;
     }
 }
diff --git a/tests/perf/test-buffer-plain-read.js b/tests/perf/test-buffer-plain-read.js
index cd899c1d..3343f7e5 100644
--- a/tests/perf/test-buffer-plain-read.js
+++ b/tests/perf/test-buffer-plain-read.js
@@ -4,7 +4,16 @@ function test() {
 
     print(typeof b);
 
-    for (i = 0; i < 1e8; i++) {
+    for (i = 0; i < 1e7; i++) {
+        void b[100];
+        void b[100];
+        void b[100];
+        void b[100];
+        void b[100];
+        void b[100];
+        void b[100];
+        void b[100];
+        void b[100];
         void b[100];
     }
 }
diff --git a/tests/perf/test-buffer-plain-write.js b/tests/perf/test-buffer-plain-write.js
index edd60bad..55001264 100644
--- a/tests/perf/test-buffer-plain-write.js
+++ b/tests/perf/test-buffer-plain-write.js
@@ -4,7 +4,16 @@ function test() {
 
     print(typeof b);
 
-    for (i = 0; i < 1e8; i++) {
+    for (i = 0; i < 1e7; i++) {
+        b[100] = 123;
+        b[100] = 123;
+        b[100] = 123;
+        b[100] = 123;
+        b[100] = 123;
+        b[100] = 123;
+        b[100] = 123;
+        b[100] = 123;
+        b[100] = 123;
         b[100] = 123;
     }
 }
diff --git a/tests/perf/test-call-basic.js b/tests/perf/test-call-basic.js
index 97c1a487..881ac5cc 100644
--- a/tests/perf/test-call-basic.js
+++ b/tests/perf/test-call-basic.js
@@ -7,7 +7,16 @@ function test() {
 
     function f() { return; }
 
-    for (i = 0; i < 1e8; i++) {
+    for (i = 0; i < 1e7; i++) {
+        f();
+        f();
+        f();
+        f();
+        f();
+        f();
+        f();
+        f();
+        f();
         f();
     }
 }
diff --git a/tests/perf/test-call-basic.lua b/tests/perf/test-call-basic.lua
index 8ce903c0..26e2df0f 100644
--- a/tests/perf/test-call-basic.lua
+++ b/tests/perf/test-call-basic.lua
@@ -3,7 +3,16 @@ function test()
         return
     end
 
-    for i=1,1e8 do
+    for i=1,1e7 do
+        f()
+        f()
+        f()
+        f()
+        f()
+        f()
+        f()
+        f()
+        f()
         f()
     end
 end
diff --git a/tests/perf/test-call-basic.pl b/tests/perf/test-call-basic.pl
index ba74932f..94d008bc 100644
--- a/tests/perf/test-call-basic.pl
+++ b/tests/perf/test-call-basic.pl
@@ -4,7 +4,16 @@ sub test {
     sub f { return; }
 
     $i = 0;
-    for ($i = 0; $i < 1e8; $i++) {
+    for ($i = 0; $i < 1e7; $i++) {
+        f();
+        f();
+        f();
+        f();
+        f();
+        f();
+        f();
+        f();
+        f();
         f();
     }
 }
diff --git a/tests/perf/test-call-basic.py b/tests/perf/test-call-basic.py
index 05c3b523..521bcd2f 100644
--- a/tests/perf/test-call-basic.py
+++ b/tests/perf/test-call-basic.py
@@ -3,7 +3,16 @@ def test():
 		return
 
 	i = 0
-	while i < 1e8:
+	while i < 1e7:
+		f()
+		f()
+		f()
+		f()
+		f()
+		f()
+		f()
+		f()
+		f()
 		f()
 		i += 1
 
diff --git a/tests/perf/test-call-basic.rb b/tests/perf/test-call-basic.rb
index 83b75d66..8dc623de 100644
--- a/tests/perf/test-call-basic.rb
+++ b/tests/perf/test-call-basic.rb
@@ -2,7 +2,16 @@ def test()
     def f() return end
 
     i = 0
-    while i < 1e8 do
+    while i < 1e7 do
+        f()
+        f()
+        f()
+        f()
+        f()
+        f()
+        f()
+        f()
+        f()
         f()
         i += 1
     end
diff --git a/tests/perf/test-call-native.js b/tests/perf/test-call-native.js
index 0ef924c8..0037a2b3 100644
--- a/tests/perf/test-call-native.js
+++ b/tests/perf/test-call-native.js
@@ -3,11 +3,20 @@ function test() {
     for (var i = 0; i < 1e3; i++) {
         arr[i] = i;
     }
-    for (var i = 0; i < 1e5; i++) {
+    for (var i = 0; i < 1e4; i++) {
         // Each .forEach() call is a native call so that return 123 causes a
         // return-to-native situation which was previously a longjmp.
 
         arr.forEach(function () { return 123; });
+        arr.forEach(function () { return 123; });
+        arr.forEach(function () { return 123; });
+        arr.forEach(function () { return 123; });
+        arr.forEach(function () { return 123; });
+        arr.forEach(function () { return 123; });
+        arr.forEach(function () { return 123; });
+        arr.forEach(function () { return 123; });
+        arr.forEach(function () { return 123; });
+        arr.forEach(function () { return 123; });
     }
 }
 
diff --git a/tests/perf/test-compile-mandel-nofrac.js b/tests/perf/test-compile-mandel-nofrac.js
index 8412c085..d7a194b5 100644
--- a/tests/perf/test-compile-mandel-nofrac.js
+++ b/tests/perf/test-compile-mandel-nofrac.js
@@ -7,7 +7,16 @@ function test() {
     var i;
     var src = "(function mandel() {\n    var w = 80;\n    var h = 40;\n    var iter = 100;\n    var i, j, k;\n    var x0, y0, xx, yy, c, xx2, yy2;\n    var res;\n\n    for (i = 0; i - h; i += 1) {\n        y0 = (i / h) * 4 - 2;\n\n        res = [];\n\n        for (j = 0; j - w; j += 1) {\n            x0 = (j / w) * 4 - 2;\n\n            xx = 0;\n            yy = 0;\n            c = \"#\";\n\n            for (k = 0; k - iter; k += 1) {\n                /* z -> z^2 + c\n                 *   -> (xx+i*yy)^2 + (x0+i*y0)\n                 *   -> xx*xx+i*2*xx*yy-yy*yy + x0 + i*y0\n                 *   -> (xx*xx - yy*yy + x0) + i*(2*xx*yy + y0)\n                 */\n\n                xx2 = xx*xx;\n                yy2 = yy*yy;\n\n                if (Math.max(0, 4 - (xx2 + yy2))) {\n                    yy = 2*xx*yy + y0;\n                    xx = xx2 - yy2 + x0;\n                } else {\n                    /* xx^2 + yy^2 >= 4 */\n                    c = \".\";\n                    break;\n                }\n            }\n\n            res[res.length] = c;\n        }\n\n        print(res.join(''));\n    }\n})\n";
 
-    for (i = 0; i < 1e5; i++) {
+    for (i = 0; i < 1e4; i++) {
+        void eval(src);
+        void eval(src);
+        void eval(src);
+        void eval(src);
+        void eval(src);
+        void eval(src);
+        void eval(src);
+        void eval(src);
+        void eval(src);
         void eval(src);
     }
 }
diff --git a/tests/perf/test-compile-mandel.js b/tests/perf/test-compile-mandel.js
index 23a285b0..85676fe7 100644
--- a/tests/perf/test-compile-mandel.js
+++ b/tests/perf/test-compile-mandel.js
@@ -2,7 +2,16 @@ function test() {
     var i;
     var src = "(function mandel() {\n    var w = 80;\n    var h = 40;\n    var iter = 100;\n    var i, j, k;\n    var x0, y0, xx, yy, c, xx2, yy2;\n    var res;\n\n    for (i = 0; i - h; i += 1) {\n        y0 = (i / h) * 4.0 - 2.0;\n\n        res = [];\n\n        for (j = 0; j - w; j += 1) {\n            x0 = (j / w) * 4.0 - 2.0;\n\n            xx = 0;\n            yy = 0;\n            c = \"#\";\n\n            for (k = 0; k - iter; k += 1) {\n                /* z -> z^2 + c\n                 *   -> (xx+i*yy)^2 + (x0+i*y0)\n                 *   -> xx*xx+i*2*xx*yy-yy*yy + x0 + i*y0\n                 *   -> (xx*xx - yy*yy + x0) + i*(2*xx*yy + y0)\n                 */\n\n                xx2 = xx*xx;\n                yy2 = yy*yy;\n\n                if (Math.max(0, 4.0 - (xx2 + yy2))) {\n                    yy = 2*xx*yy + y0;\n                    xx = xx2 - yy2 + x0;\n                } else {\n                    /* xx^2 + yy^2 >= 4.0 */\n                    c = \".\";\n                    break;\n                }\n            }\n\n            res[res.length] = c;\n        }\n\n        print(res.join(''));\n    }\n})\n";
 
-    for (i = 0; i < 1e5; i++) {
+    for (i = 0; i < 1e4; i++) {
+        void eval(src);
+        void eval(src);
+        void eval(src);
+        void eval(src);
+        void eval(src);
+        void eval(src);
+        void eval(src);
+        void eval(src);
+        void eval(src);
         void eval(src);
     }
 }
diff --git a/tests/perf/test-compile-short.js b/tests/perf/test-compile-short.js
index 45c46e50..fd2093b8 100644
--- a/tests/perf/test-compile-short.js
+++ b/tests/perf/test-compile-short.js
@@ -3,7 +3,16 @@ function test() {
     var src = '123 + myval';
     var myval = 234;
 
-    for (i = 0; i < 1e6; i++) {
+    for (i = 0; i < 1e5; i++) {
+        void eval(src);
+        void eval(src);
+        void eval(src);
+        void eval(src);
+        void eval(src);
+        void eval(src);
+        void eval(src);
+        void eval(src);
+        void eval(src);
         void eval(src);
     }
 }
diff --git a/tests/perf/test-continue-fast.js b/tests/perf/test-continue-fast.js
index 459b8a46..cd20a532 100644
--- a/tests/perf/test-continue-fast.js
+++ b/tests/perf/test-continue-fast.js
@@ -1,6 +1,33 @@
 function test() {
     var i;
-    for (i = 0; i < 1e8; i++) {
+    for (i = 0; i < 1e7; i++) {
+        do {
+            continue;
+        } while (0);
+        do {
+            continue;
+        } while (0);
+        do {
+            continue;
+        } while (0);
+        do {
+            continue;
+        } while (0);
+        do {
+            continue;
+        } while (0);
+        do {
+            continue;
+        } while (0);
+        do {
+            continue;
+        } while (0);
+        do {
+            continue;
+        } while (0);
+        do {
+            continue;
+        } while (0);
         do {
             continue;
         } while (0);
diff --git a/tests/perf/test-continue-slow.js b/tests/perf/test-continue-slow.js
index 6821cdf7..a0f20b8e 100644
--- a/tests/perf/test-continue-slow.js
+++ b/tests/perf/test-continue-slow.js
@@ -1,6 +1,60 @@
 function test() {
     var i;
-    for (i = 0; i < 1e8; i++) {
+    for (i = 0; i < 1e7; i++) {
+        do {
+            try {
+                continue;
+            } finally {
+            }
+        } while (0);
+        do {
+            try {
+                continue;
+            } finally {
+            }
+        } while (0);
+        do {
+            try {
+                continue;
+            } finally {
+            }
+        } while (0);
+        do {
+            try {
+                continue;
+            } finally {
+            }
+        } while (0);
+        do {
+            try {
+                continue;
+            } finally {
+            }
+        } while (0);
+        do {
+            try {
+                continue;
+            } finally {
+            }
+        } while (0);
+        do {
+            try {
+                continue;
+            } finally {
+            }
+        } while (0);
+        do {
+            try {
+                continue;
+            } finally {
+            }
+        } while (0);
+        do {
+            try {
+                continue;
+            } finally {
+            }
+        } while (0);
         do {
             try {
                 continue;
diff --git a/tests/perf/test-prop-read.js b/tests/perf/test-prop-read.js
index 79919abe..bbb86e9d 100644
--- a/tests/perf/test-prop-read.js
+++ b/tests/perf/test-prop-read.js
@@ -7,7 +7,16 @@ function test() {
     var i;
     var ign;
 
-    for (i = 0; i < 1e8; i++) {
+    for (i = 0; i < 1e7; i++) {
+        ign = obj.foo;
+        ign = obj.foo;
+        ign = obj.foo;
+        ign = obj.foo;
+        ign = obj.foo;
+        ign = obj.foo;
+        ign = obj.foo;
+        ign = obj.foo;
+        ign = obj.foo;
         ign = obj.foo;
     }
 }
diff --git a/tests/perf/test-prop-read.lua b/tests/perf/test-prop-read.lua
index 59aaad86..ca1ba8eb 100644
--- a/tests/perf/test-prop-read.lua
+++ b/tests/perf/test-prop-read.lua
@@ -1,7 +1,17 @@
 function test()
     local obj = { xxx1 = 1, xxx2 = 2, xxx3 = 3, xxx4 = 4, foo = 123 }
-    for i=1,1e8 do
-        local ign = obj.foo
+    local ign
+    for i=1,1e7 do
+        ign = obj.foo
+        ign = obj.foo
+        ign = obj.foo
+        ign = obj.foo
+        ign = obj.foo
+        ign = obj.foo
+        ign = obj.foo
+        ign = obj.foo
+        ign = obj.foo
+        ign = obj.foo
     end
 end
 
diff --git a/tests/perf/test-prop-read.pl b/tests/perf/test-prop-read.pl
index 9a8e73d7..24c24867 100644
--- a/tests/perf/test-prop-read.pl
+++ b/tests/perf/test-prop-read.pl
@@ -3,7 +3,16 @@ sub test {
     my $i;
     my $ign;
 
-    for ($i = 0; $i < 1e8; $i++) {
+    for ($i = 0; $i < 1e7; $i++) {
+        $ign = $obj{'foo'};
+        $ign = $obj{'foo'};
+        $ign = $obj{'foo'};
+        $ign = $obj{'foo'};
+        $ign = $obj{'foo'};
+        $ign = $obj{'foo'};
+        $ign = $obj{'foo'};
+        $ign = $obj{'foo'};
+        $ign = $obj{'foo'};
         $ign = $obj{'foo'};
     }
 }
diff --git a/tests/perf/test-prop-read.py b/tests/perf/test-prop-read.py
index 69112557..0882f686 100644
--- a/tests/perf/test-prop-read.py
+++ b/tests/perf/test-prop-read.py
@@ -1,7 +1,16 @@
 def test():
 	obj = { 'xxx1': 1, 'xxx2': 2, 'xxx3': 3, 'xxx4': 4, 'foo': 123 }
 	i = 0
-	while i < 1e8:
+	while i < 1e7:
+		ign = obj['foo']
+		ign = obj['foo']
+		ign = obj['foo']
+		ign = obj['foo']
+		ign = obj['foo']
+		ign = obj['foo']
+		ign = obj['foo']
+		ign = obj['foo']
+		ign = obj['foo']
 		ign = obj['foo']
 		i += 1
 
diff --git a/tests/perf/test-prop-read.rb b/tests/perf/test-prop-read.rb
index 24e324be..849791de 100644
--- a/tests/perf/test-prop-read.rb
+++ b/tests/perf/test-prop-read.rb
@@ -2,7 +2,16 @@ def test()
     obj = Hash["xxx1" => 1, "xxx2" => 2, "xxx3" => 3, "xxx4" => 4, "foo" => 123];
 
     i = 0
-    while i < 1e8 do
+    while i < 1e7 do
+        ign = obj['foo']
+        ign = obj['foo']
+        ign = obj['foo']
+        ign = obj['foo']
+        ign = obj['foo']
+        ign = obj['foo']
+        ign = obj['foo']
+        ign = obj['foo']
+        ign = obj['foo']
         ign = obj['foo']
         i += 1
     end
diff --git a/tests/perf/test-prop-write.js b/tests/perf/test-prop-write.js
index 1cfd8b90..65053525 100644
--- a/tests/perf/test-prop-write.js
+++ b/tests/perf/test-prop-write.js
@@ -6,7 +6,16 @@ function test() {
     var obj = { xxx1: 1, xxx2: 2, xxx3: 3, xxx4: 4, foo: 123 };
     var i;
 
-    for (i = 0; i < 1e8; i++) {
+    for (i = 0; i < 1e7; i++) {
+        obj.foo = 234;
+        obj.foo = 234;
+        obj.foo = 234;
+        obj.foo = 234;
+        obj.foo = 234;
+        obj.foo = 234;
+        obj.foo = 234;
+        obj.foo = 234;
+        obj.foo = 234;
         obj.foo = 234;
     }
 }
diff --git a/tests/perf/test-prop-write.lua b/tests/perf/test-prop-write.lua
index d6a1a51d..cf51b82a 100644
--- a/tests/perf/test-prop-write.lua
+++ b/tests/perf/test-prop-write.lua
@@ -1,6 +1,15 @@
 function test()
     local obj = { xxx1 = 1, xxx2 = 2, xxx3 = 3, xxx4 = 4, foo = 123 }
-    for i=1,1e8 do
+    for i=1,1e7 do
+        obj.foo = 234
+        obj.foo = 234
+        obj.foo = 234
+        obj.foo = 234
+        obj.foo = 234
+        obj.foo = 234
+        obj.foo = 234
+        obj.foo = 234
+        obj.foo = 234
         obj.foo = 234
     end
 end
diff --git a/tests/perf/test-prop-write.pl b/tests/perf/test-prop-write.pl
index b1be3aed..ca40080d 100644
--- a/tests/perf/test-prop-write.pl
+++ b/tests/perf/test-prop-write.pl
@@ -2,7 +2,16 @@ sub test {
     my %obj = ( 'xxx1' => 1, 'xxx2' => 2, 'xxx3' => 3, 'xxx4' => 4, 'foo' => 123 );
     my $i;
 
-    for ($i = 0; $i < 1e8; $i++) {
+    for ($i = 0; $i < 1e7; $i++) {
+        $obj{'foo'} = 234;
+        $obj{'foo'} = 234;
+        $obj{'foo'} = 234;
+        $obj{'foo'} = 234;
+        $obj{'foo'} = 234;
+        $obj{'foo'} = 234;
+        $obj{'foo'} = 234;
+        $obj{'foo'} = 234;
+        $obj{'foo'} = 234;
         $obj{'foo'} = 234;
     }
 }
diff --git a/tests/perf/test-prop-write.py b/tests/perf/test-prop-write.py
index 7346c6e5..395daf0a 100644
--- a/tests/perf/test-prop-write.py
+++ b/tests/perf/test-prop-write.py
@@ -1,7 +1,16 @@
 def test():
 	obj = { 'xxx1': 1, 'xxx2': 2, 'xxx3': 4, 'xxx4': 4, 'foo': 123 }
 	i = 0
-	while i < 1e8:
+	while i < 1e7:
+		obj['foo'] = 234
+		obj['foo'] = 234
+		obj['foo'] = 234
+		obj['foo'] = 234
+		obj['foo'] = 234
+		obj['foo'] = 234
+		obj['foo'] = 234
+		obj['foo'] = 234
+		obj['foo'] = 234
 		obj['foo'] = 234
 		i += 1
 
diff --git a/tests/perf/test-prop-write.rb b/tests/perf/test-prop-write.rb
index 5d49d41f..a82d61a4 100644
--- a/tests/perf/test-prop-write.rb
+++ b/tests/perf/test-prop-write.rb
@@ -2,7 +2,16 @@ def test()
     obj = Hash["xxx1" => 1, "xxx2" => 2, "xxx3" => 3, "xxx4" => 4, "foo" => 123];
 
     i = 0
-    while i < 1e8 do
+    while i < 1e7 do
+        obj['foo'] = 234
+        obj['foo'] = 234
+        obj['foo'] = 234
+        obj['foo'] = 234
+        obj['foo'] = 234
+        obj['foo'] = 234
+        obj['foo'] = 234
+        obj['foo'] = 234
+        obj['foo'] = 234
         obj['foo'] = 234
         i += 1
     end
diff --git a/tests/perf/test-regexp-string-parse.js b/tests/perf/test-regexp-string-parse.js
index 7f00308f..702bcc9d 100644
--- a/tests/perf/test-regexp-string-parse.js
+++ b/tests/perf/test-regexp-string-parse.js
@@ -15,7 +15,16 @@ function test() {
     var regexpdata = '/' + txt + '/';   // periods will be wildcards
     print(regexpdata.length);
 
-    for (i = 0; i < 1000; i++) {
+    for (i = 0; i < 100; i++) {
+        void new RegExp(regexpdata);
+        void new RegExp(regexpdata);
+        void new RegExp(regexpdata);
+        void new RegExp(regexpdata);
+        void new RegExp(regexpdata);
+        void new RegExp(regexpdata);
+        void new RegExp(regexpdata);
+        void new RegExp(regexpdata);
+        void new RegExp(regexpdata);
         void new RegExp(regexpdata);
     }
 }
diff --git a/tests/perf/test-regexp-string-parse.py b/tests/perf/test-regexp-string-parse.py
index fac73530..5188270f 100644
--- a/tests/perf/test-regexp-string-parse.py
+++ b/tests/perf/test-regexp-string-parse.py
@@ -9,7 +9,16 @@ def test():
 	regexpdata = '/' + txt + '/'
 	print(len(regexpdata))
 
-	for i in xrange(1000):
+	for i in xrange(100):
+		ign = re.compile(regexpdata)
+		ign = re.compile(regexpdata)
+		ign = re.compile(regexpdata)
+		ign = re.compile(regexpdata)
+		ign = re.compile(regexpdata)
+		ign = re.compile(regexpdata)
+		ign = re.compile(regexpdata)
+		ign = re.compile(regexpdata)
+		ign = re.compile(regexpdata)
 		ign = re.compile(regexpdata)
 
 test()