[pypy-svn] r23442 - pypy/dist/pypy/translator/microbench

[ericvrp at codespeak.net]

Author: ericvrp
Date: Fri Feb 17 11:01:55 2006
New Revision: 23442

Added:
   pypy/dist/pypy/translator/microbench/test_exception.py
Log:
microbenchmarks for measuring exception handling performance


Added: pypy/dist/pypy/translator/microbench/test_exception.py
==============================================================================
--- (empty file)
+++ pypy/dist/pypy/translator/microbench/test_exception.py	Fri Feb 17 11:01:55 2006
@@ -0,0 +1,170 @@
+
+# some of these tests might be identical and can be removed
+
+N = int(2**19 - 1)
+
+class MyException(Exception):
+    pass
+
+class MyException1(Exception):
+    pass
+
+class MyException2(Exception):
+    pass
+
+class MyException3(Exception):
+    pass
+
+#
+def test_try_except():
+    c = 0
+    n = N
+    while c < n:
+        try:
+            pass
+        except:
+            pass
+        c += 1
+
+#
+def test_try_except_else():
+    c = 0
+    n = N
+    while c < n:
+        try:
+            pass
+        except:
+            pass
+        else:
+            pass
+        c += 1
+
+#
+def test_try_except_finally():
+    c = 0
+    n = N
+    while c < n:
+        try:
+            pass
+        finally:
+            pass
+        c += 1
+
+#
+def test_instantiate_builtin_exception():
+    c = 0
+    n = N
+    while c < n:
+        IndexError()
+        IndexError()
+        IndexError()
+        IndexError()
+        IndexError()
+        c += 1
+
+#
+def test_instantiate_user_exception():
+    c = 0
+    n = N
+    while c < n:
+        MyException()
+        MyException()
+        MyException()
+        MyException()
+        MyException()
+        c += 1
+
+#
+def test_raise_builtin_exception():
+    c = 0
+    n = N
+    e = IndexError()
+    while c < n:
+        try:
+            raise e
+        except:
+            pass
+        c += 1
+
+#
+def test_raise_user_exception():
+    c = 0
+    n = N
+    e = MyException()
+    while c < n:
+        try:
+            raise e
+        except:
+            pass
+        c += 1
+
+#
+def test_except_specific_builtin_exception():
+    c = 0
+    n = N
+    e = IndexError()
+    while c < n:
+        try:
+            raise e
+        except ValueError:
+            pass
+        except:
+            pass
+        c += 1
+
+#
+def test_except_multiple_builtin_exception():
+    c = 0
+    n = N
+    e = IndexError()
+    while c < n:
+        try:
+            raise e
+        except (ValueError, OverflowError, ZeroDivisionError):
+            pass
+        except:
+            pass
+        c += 1
+
+#
+def test_except_specific_user_exception():
+    c = 0
+    n = N
+    e = MyException()
+    while c < n:
+        try:
+            raise e
+        except MyException1:
+            pass
+        except:
+            pass
+        c += 1
+
+#
+def test_except_multiple_user_exception():
+    c = 0
+    n = N
+    e = MyException()
+    while c < n:
+        try:
+            raise e
+        except (MyException1, MyException2, MyException3):
+            pass
+        except:
+            pass
+        c += 1
+
+#
+def test_reraise():
+    c = 0
+    n = N
+    e = IndexError()
+    while c < n:
+        try:
+            try:
+                raise e
+            except:
+                raise
+        except:
+            pass
+        c += 1