<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>ctypes is not nice to use. If you need C-bindings, please look at CFFI.</div><div><br>Sent from my iPhone</div><div><br>On 09/01/2014, at 14.30, HY <<a href="mailto:lightdarkadmin@163.com">lightdarkadmin@163.com</a>> wrote:<br><br></div><blockquote type="cite"><div><div style="line-height:1.7;color:#000000;font-size:14px;font-family:arial"> import ctypes as C<br>s1= "0"* 1024* 1024* 10<br># mem engross add 10M bytes<br>b1= C.create_string_buffer(s1 ) <br># CPU 1 core 100% and mem engross add 300M bytes ? <br>I don't know!<br>please talk me, thanks very match.... <br><br>I'm chinese, english is not good, sorry!<br></div><br><br><span title="neteasefooter"><span id="netease_mail_footer"></span></span></div></blockquote><blockquote type="cite"><div><span>_______________________________________________</span><br><span>pypy-dev mailing list</span><br><span><a href="mailto:pypy-dev@python.org">pypy-dev@python.org</a></span><br><span><a href="https://mail.python.org/mailman/listinfo/pypy-dev">https://mail.python.org/mailman/listinfo/pypy-dev</a></span><br></div></blockquote></body></html>