netdev - degradation in network performance upto 20 % in 2.6.18 when compared to 2.6.17

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 linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Date:	Fri, 29 Dec 2006 18:28:51 +0530
From:	"kalyan tejaswi" <kalyanatejaswi@...il.com>
To:	netdev@...r.kernel.org
Subject: degradation in network performance upto 20 % in 2.6.18 when compared to 2.6.17

 Hi all,
I have been comparing routing and bridging performance tests for
2.6.16,2.6.17,2.6.18,2.6.19 kernels.
The setup is:


       ------------------------
eth0     ------------------------
       |                              |
<---------------------------------->|                                |
       |  Smartbits            |
            |    Malta 4Kc            |
       |                              |
<---------------------------------->|                                |
       ------------------------
eth1     -------------------------


I use D-Link cards for the Malta 4Kc board.
I see that 2.6.18 and 2.6.19 have almost identical performance
figures. Also, same is observed with 2.6.16 and 2.6.17.

But 2.6.16/2.6.17   is roughly 20% better than 2.6.18/2.6.19

Are these results justified? Has anyone observed similar behaviour?
What could be the reason?


Regards
Kalyan
-
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html