fxp performance with POLLING

[Alfred Perlstein]

* Bartosz Stec <admin at kkip.pl> [081003 07:23] wrote:
> Hello again :)
> 
> With POLLING enabled I experience about 10%-25% performance drop when 
> copying files over network. Tested with both SAMBA and NFS. Is it normal?
> 
>    FreeBSD 7.1-PRERELEASE #0: Sat Sep  6 01:52:12 CEST 2008
>    fxp0: <Intel 82801DB (ICH4) Pro/100 Ethernet> port 0xc800-0xc83f mem
>    0xe1021000-0xe1021fff irq 20 at device 8.0 on pci1
> 
>    # ifconfig fxp0
>    fxp0: flags=9843<UP,BROADCAST,RUNNING,SIMPLEX,LINK0,MULTICAST>
>    metric 0 mtu 1500
>            options=8<VLAN_MTU>
>            ether 00:20:ed:42:87:13
>            inet 192.168.0.2 netmask 0xffffff00 broadcast 192.168.0.255
>            media: Ethernet autoselect (100baseTX <full-duplex>)
>            status: active
> 
> BTW overall SAMBA performance still sucks on 7.1-pre as much as on 
> RELENG_5 ...:( - 7.5 MB/s peak.

7.5MB is 75% effeciency of a 100mbit card.  Not amazing, but
not "sucks".

Where do you see faster performance?

Between windows machines on the same hardware or linux server?

-- 
- Alfred Perlstein