Author: Alex Gaynor <alex.gay...@gmail.com>
Branch:
Changeset: r67856:d592e1e60494
Date: 2013-11-05 09:08 -0800
http://bitbucket.org/pypy/pypy/changeset/d592e1e60494/
Log: Speed up array('B', 'somestr') or my_array.fromstring()
diff --git a/pypy/module/array/interp_array.py
b/pypy/module/array/interp_array.py
--- a/pypy/module/array/interp_array.py
+++ b/pypy/module/array/interp_array.py
@@ -1,18 +1,22 @@
from __future__ import with_statement
+from rpython.rlib import jit
+from rpython.rlib.objectmodel import keepalive_until_here
+from rpython.rlib.rarithmetic import ovfcheck, widen
+from rpython.rlib.unroll import unrolling_iterable
+from rpython.rtyper.annlowlevel import llstr
+from rpython.rtyper.lltypesystem import lltype, rffi
+from rpython.rtyper.lltypesystem.rstr import copy_string_to_raw
+
+from pypy.interpreter.baseobjspace import W_Root
from pypy.interpreter.buffer import RWBuffer
from pypy.interpreter.error import OperationError
from pypy.interpreter.gateway import interp2app, unwrap_spec,
interpindirect2app
from pypy.interpreter.typedef import GetSetProperty, make_weakref_descr,
TypeDef
-from pypy.interpreter.baseobjspace import W_Root
from pypy.module._file.interp_file import W_File
-from rpython.rlib import jit
-from rpython.rlib.rarithmetic import ovfcheck, widen
-from rpython.rlib.unroll import unrolling_iterable
-from rpython.rlib.objectmodel import keepalive_until_here
-from rpython.rtyper.lltypesystem import lltype, rffi
from pypy.objspace.std.floatobject import W_FloatObject
+
@unwrap_spec(typecode=str)
def w_array(space, w_cls, typecode, __args__):
if len(__args__.arguments_w) > 1:
@@ -234,8 +238,7 @@
new = len(s) / self.itemsize
self.setlen(oldlen + new)
cbuf = self._charbuf_start()
- for i in range(len(s)):
- cbuf[oldlen * self.itemsize + i] = s[i]
+ copy_string_to_raw(llstr(s), rffi.ptradd(cbuf, oldlen *
self.itemsize), 0, len(s))
self._charbuf_stop()
@unwrap_spec(w_f=W_File, n=int)
@@ -624,7 +627,7 @@
item = unwrap(space.call_method(w_item, mytype.method))
except OperationError:
msg = 'array item must be ' + mytype.unwrap[:-2]
- raise OperationError(space.w_TypeError,
space.wrap(msg))
+ raise OperationError(space.w_TypeError,
space.wrap(msg))
else:
raise
if mytype.unwrap == 'bigint_w':
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