Author: Carl Friedrich Bolz-Tereick <cfb...@gmx.de>
Branch: pyparser-improvements
Changeset: r93976:73fdbc94d5d4
Date: 2018-03-12 16:59 +0100
http://bitbucket.org/pypy/pypy/changeset/73fdbc94d5d4/
Log: add a target for benchmarking just the parser
diff --git a/pypy/interpreter/pyparser/pyparse.py
b/pypy/interpreter/pyparser/pyparse.py
--- a/pypy/interpreter/pyparser/pyparse.py
+++ b/pypy/interpreter/pyparser/pyparse.py
@@ -132,7 +132,11 @@
w_message = space.str(e.get_w_value(space))
raise error.SyntaxError(space.text_w(w_message))
raise
+ if enc is not None:
+ compile_info.encoding = enc
+ return self._parse(textsrc, compile_info)
+ def _parse(self, textsrc, compile_info):
flags = compile_info.flags
# The tokenizer is very picky about how it wants its input.
@@ -188,6 +192,4 @@
finally:
# Avoid hanging onto the tree.
self.root = None
- if enc is not None:
- compile_info.encoding = enc
return tree
diff --git a/pypy/interpreter/pyparser/targetparse.py
b/pypy/interpreter/pyparser/targetparse.py
new file mode 100644
--- /dev/null
+++ b/pypy/interpreter/pyparser/targetparse.py
@@ -0,0 +1,39 @@
+import sys
+import os
+ROOT =
os.path.dirname(os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))))
+print ROOT
+sys.path.insert(0, str(ROOT))
+import time
+from pypy.interpreter.pyparser import pyparse
+
+
+
+with file("../../../rpython/rlib/unicodedata/unicodedb_5_2_0.py") as f:
+ s = f.read()
+
+class FakeSpace(object):
+ pass
+
+fakespace = FakeSpace()
+
+def bench(title):
+ a = time.clock()
+ info = pyparse.CompileInfo("<string>", "exec")
+ parser = pyparse.PythonParser(fakespace)
+ tree = parser._parse(s, info)
+ b = time.clock()
+ print title, (b-a)
+
+
+def entry_point(argv):
+ bench("foo")
+
+ return 0
+
+# _____ Define and setup target ___
+
+def target(*args):
+ return entry_point, None
+
+if __name__ == '__main__':
+ entry_point(sys.argv)
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