lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Sun, 17 Sep 2017 17:00:12 +0200
From:   Thomas Meyer <thomas@...3r.de>
To:     Jon Maloy <jon.maloy@...csson.com>
Cc:     Joe Perches <joe@...ches.com>, Ying Xue <ying.xue@...driver.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "tipc-discussion@...ts.sourceforge.net" 
        <tipc-discussion@...ts.sourceforge.net>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "davem@...emloft.net" <davem@...emloft.net>
Subject: Re: [PATCH V2] tipc: Use bsearch library function


> Am 16.09.2017 um 15:20 schrieb Jon Maloy <jon.maloy@...csson.com>.
>> 
>> What part of "very time critical" have you verified and benchmarked as
>> inconsequential?
>> 
>> Please post your results.
> 
> I agree with Joe here. This change does not simplify anything, it does not reduce the amount of code, plus that it introduce an unnecessary outline call in a place where we have every reason to let the compiler do its optimization job properly.

Hi,

Okay, should I prepare some performance numbers or do we NAK this change?
What about the other binary search implementation in the same file? Should I try to convert it it will it get NAKed for performance reasons too?

With kind regards
Thomas
Download attachment "smime.p7s" of type "application/pkcs7-signature" (5334 bytes)

Powered by blists - more mailing lists