Initial import

1 files changed, 358 insertions, 0 deletions

diff --git a/src/bench/micro_bench.php b/src/bench/micro_bench.php
new file mode 100644
index 0000000..7052588
--- /dev/null
+++ b/src/bench/micro_bench.php
@@ -0,0 +1,358 @@
+<?php
+
+function hallo() {
+}
+
+function simpleucall($n) {
+  for ($i = 0; $i < $n; $i++) 
+    hallo();
+}
+
+function simpleudcall($n) {
+  for ($i = 0; $i < $n; $i++) 
+    hallo2();
+}
+
+function hallo2() {
+}
+
+function simpleicall($n) {
+  for ($i = 0; $i < $n; $i++) 
+    func_num_args();
+}
+
+class Foo {
+        static $a = 0;
+        public $b = 0;
+        const TEST = 0;
+
+        static function read_static($n) {
+                for ($i = 0; $i < $n; ++$i) {
+                        $x = self::$a;
+                }
+        }
+
+        static function write_static($n) {
+                for ($i = 0; $i < $n; ++$i) {
+                        self::$a = 0;
+                }
+        }
+
+        static function isset_static($n) {
+                for ($i = 0; $i < $n; ++$i) {
+                        $x = isset(self::$a);
+                }
+        }
+
+        static function empty_static($n) {
+                for ($i = 0; $i < $n; ++$i) {
+                        $x = empty(self::$a);
+                }
+        }
+
+        static function f() {
+        }
+
+        static function call_static($n) {
+                for ($i = 0; $i < $n; ++$i) {
+                        self::f();
+                }
+        }
+
+        function read_prop($n) {
+                for ($i = 0; $i < $n; ++$i) {
+                        $x = $this->b;
+                }
+        }
+
+        function write_prop($n) {
+                for ($i = 0; $i < $n; ++$i) {
+                        $this->b = 0;
+                }
+        }
+
+        function assign_add_prop($n) {
+                for ($i = 0; $i < $n; ++$i) {
+                        $this->b += 2;
+                }
+        }
+
+        function pre_inc_prop($n) {
+                for ($i = 0; $i < $n; ++$i) {
+                        ++$this->b;
+                }
+        }
+
+        function pre_dec_prop($n) {
+                for ($i = 0; $i < $n; ++$i) {
+                        --$this->b;
+                }
+        }
+
+        function post_inc_prop($n) {
+                for ($i = 0; $i < $n; ++$i) {
+                        $this->b++;
+                }
+        }
+
+        function post_dec_prop($n) {
+                for ($i = 0; $i < $n; ++$i) {
+                        $this->b--;
+                }
+        }
+
+        function isset_prop($n) {
+                for ($i = 0; $i < $n; ++$i) {
+                        $x = isset($this->b);
+                }
+        }
+
+        function empty_prop($n) {
+                for ($i = 0; $i < $n; ++$i) {
+                        $x = empty($this->b);
+                }
+        }
+
+        function g() {
+        }
+
+        function call($n) {
+                for ($i = 0; $i < $n; ++$i) {
+                        $this->g();
+                }
+        }
+
+        function read_const($n) {
+                for ($i = 0; $i < $n; ++$i) {
+                        $x = $this::TEST;
+                }
+        }
+
+}
+
+function read_static($n) {
+        for ($i = 0; $i < $n; ++$i) {
+                $x = Foo::$a;
+        }
+}
+
+function write_static($n) {
+        for ($i = 0; $i < $n; ++$i) {
+                Foo::$a = 0;
+        }
+}
+
+function isset_static($n) {
+        for ($i = 0; $i < $n; ++$i) {
+                $x = isset(Foo::$a);
+        }
+}
+
+function empty_static($n) {
+        for ($i = 0; $i < $n; ++$i) {
+                $x = empty(Foo::$a);
+        }
+}
+
+function call_static($n) {
+        for ($i = 0; $i < $n; ++$i) {
+                Foo::f();
+        }
+}
+
+function create_object($n) {
+        for ($i = 0; $i < $n; ++$i) {
+                $x = new Foo();
+        }
+}
+
+define('TEST', null);
+
+function read_const($n) {
+        for ($i = 0; $i < $n; ++$i) {
+                $x = TEST;
+        }
+}
+
+function read_auto_global($n) {
+        for ($i = 0; $i < $n; ++$i) {
+                $x = $_GET;
+        }
+}
+
+$g_var = 0;
+
+function read_global_var($n) {
+        for ($i = 0; $i < $n; ++$i) {
+                $x = $GLOBALS['g_var'];
+        }
+}
+
+function read_hash($n) {
+        $hash = array('test' => 0);
+        for ($i = 0; $i < $n; ++$i) {
+                $x = $hash['test'];
+        }
+}
+
+function read_str_offset($n) {
+        $str = "test";
+        for ($i = 0; $i < $n; ++$i) {
+                $x = $str[1];
+        }
+}
+
+function issetor($n) {
+        $val = array(0,1,2,3,4,5,6,7,8,9);
+        for ($i = 0; $i < $n; ++$i) {
+                $x = $val ?: null;
+        }
+}
+
+function issetor2($n) {
+        $f = false; $j = 0;
+        for ($i = 0; $i < $n; ++$i) {
+                $x = $f ?: $j + 1;
+        }
+}
+
+function ternary($n) {
+        $val = array(0,1,2,3,4,5,6,7,8,9);
+        $f = false;
+        for ($i = 0; $i < $n; ++$i) {
+                $x = $f ? null : $val;
+        }
+}
+
+function ternary2($n) {
+        $f = false; $j = 0;
+        for ($i = 0; $i < $n; ++$i) {
+                $x = $f ? $f : $j + 1;
+        }
+}
+
+/*****/
+
+function empty_loop($n) {
+        for ($i = 0; $i < $n; ++$i) {
+        }
+}
+
+function getmicrotime()
+{
+  $t = gettimeofday();
+  return ($t['sec'] + $t['usec'] / 1000000);
+}
+
+function start_test()
+{
+  ob_start();
+  return getmicrotime();
+}
+
+function end_test($start, $name, $overhead = null)
+{
+  global $total;
+  global $last_time;
+  $end = getmicrotime();
+  ob_end_clean();
+  $last_time = $end-$start;
+  $total += $last_time;
+  $num = number_format($last_time,3);
+  $pad = str_repeat(" ", 24-strlen($name)-strlen($num));
+  if (is_null($overhead)) {
+    echo $name.$pad.$num."\n";
+  } else {
+    $num2 = number_format($last_time - $overhead,3);
+    echo $name.$pad.$num."    ".$num2."\n";
+  }
+  ob_start();
+  return getmicrotime();
+}
+
+function total()
+{
+  global $total;
+  $pad = str_repeat("-", 24);
+  echo $pad."\n";
+  $num = number_format($total,3);
+  $pad = str_repeat(" ", 24-strlen("Total")-strlen($num));
+  echo "Total".$pad.$num."\n";
+}
+
+const N = 5000000;
+
+$t0 = $t = start_test();
+empty_loop(N);
+$t = end_test($t, 'empty_loop');
+$overhead = $last_time;
+simpleucall(N);
+$t = end_test($t, 'func()', $overhead);
+simpleudcall(N);
+$t = end_test($t, 'undef_func()', $overhead);
+simpleicall(N);
+$t = end_test($t, 'int_func()', $overhead);
+Foo::read_static(N);
+$t = end_test($t, '$x = self::$x', $overhead);
+Foo::write_static(N);
+$t = end_test($t, 'self::$x = 0', $overhead);
+Foo::isset_static(N);
+$t = end_test($t, 'isset(self::$x)', $overhead);
+Foo::empty_static(N);
+$t = end_test($t, 'empty(self::$x)', $overhead);
+read_static(N);
+$t = end_test($t, '$x = Foo::$x', $overhead);
+write_static(N);
+$t = end_test($t, 'Foo::$x = 0', $overhead);
+isset_static(N);
+$t = end_test($t, 'isset(Foo::$x)', $overhead);
+empty_static(N);
+$t = end_test($t, 'empty(Foo::$x)', $overhead);
+Foo::call_static(N);
+$t = end_test($t, 'self::f()', $overhead);
+call_static(N);
+$t = end_test($t, 'Foo::f()', $overhead);
+$x = new Foo();
+$x->read_prop(N);
+$t = end_test($t, '$x = $this->x', $overhead);
+$x->write_prop(N);
+$t = end_test($t, '$this->x = 0', $overhead);
+$x->assign_add_prop(N);
+$t = end_test($t, '$this->x += 2', $overhead);
+$x->pre_inc_prop(N);
+$t = end_test($t, '++$this->x', $overhead);
+$x->pre_dec_prop(N);
+$t = end_test($t, '--$this->x', $overhead);
+$x->post_inc_prop(N);
+$t = end_test($t, '$this->x++', $overhead);
+$x->post_dec_prop(N);
+$t = end_test($t, '$this->x--', $overhead);
+$x->isset_prop(N);
+$t = end_test($t, 'isset($this->x)', $overhead);
+$x->empty_prop(N);
+$t = end_test($t, 'empty($this->x)', $overhead);
+$x->call(N);
+$t = end_test($t, '$this->f()', $overhead);
+$x->read_const(N);
+$t = end_test($t, '$x = Foo::TEST', $overhead);
+create_object(N);
+$t = end_test($t, 'new Foo()', $overhead);
+read_const(N);
+$t = end_test($t, '$x = TEST', $overhead);
+read_auto_global(N);
+$t = end_test($t, '$x = $_GET', $overhead);
+read_global_var(N);
+$t = end_test($t, '$x = $GLOBALS[\'v\']', $overhead);
+read_hash(N);
+$t = end_test($t, '$x = $hash[\'v\']', $overhead);
+read_str_offset(N);
+$t = end_test($t, '$x = $str[0]', $overhead);
+issetor(N);
+$t = end_test($t, '$x = $a ?: null', $overhead);
+issetor2(N);
+$t = end_test($t, '$x = $f ?: tmp', $overhead);
+ternary(N);
+$t = end_test($t, '$x = $f ? $f : $a', $overhead);
+ternary2(N);
+$t = end_test($t, '$x = $f ? $f : tmp', $overhead);
+total($t0, "Total");