Re: is RTL8139 THAT bad?

2009-06-21 Thread Sergey Babkin
Wojciech Puchar wrote: > > > Wojciech Puchar writes: > >> Why it's THAT bad? > > > > http://svn.freebsd.org/base/head/sys/pci/if_rl.c > > > > Scroll down past the copyright, license and attribution. Read the > > 38-line comment that explains just how crappy this chip really is. > > Well - reall

Re: is RTL8139 THAT bad?

2009-06-21 Thread Pyun YongHyeon
On Sun, Jun 21, 2009 at 05:14:29PM +0200, Wojciech Puchar wrote: > i have pentium 200 with that card. doing ftp from other machine, getting > 3.5MB/s (HDD can 10MB/s, DMA) having 45%-55% interrupt load. > > when sending it's not that bad. > > tried writing file to disk with cat /dev/zero >file,

Re: is RTL8139 THAT bad?

2009-06-21 Thread Wojciech Puchar
Wojciech Puchar writes: Why it's THAT bad? http://svn.freebsd.org/base/head/sys/pci/if_rl.c Scroll down past the copyright, license and attribution. Read the 38-line comment that explains just how crappy this chip really is. Well - really "low end". But - this computer can do memcpy at 80

Re: is RTL8139 THAT bad?

2009-06-21 Thread Dag-Erling Smørgrav
Wojciech Puchar writes: > Why it's THAT bad? http://svn.freebsd.org/base/head/sys/pci/if_rl.c Scroll down past the copyright, license and attribution. Read the 38-line comment that explains just how crappy this chip really is. Executive summary: every single transmitted frame must be copied fr

is RTL8139 THAT bad?

2009-06-21 Thread Wojciech Puchar
i have pentium 200 with that card. doing ftp from other machine, getting 3.5MB/s (HDD can 10MB/s, DMA) having 45%-55% interrupt load. when sending it's not that bad. tried writing file to disk with cat /dev/zero >file, it's only 3% ints with 10MB/s traffic. Why it's THAT bad? 3.5MB/s is le