lkml.org 
[lkml]   [1999]   [Sep]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectNT IO Bandwidth limitations?
    Hi all,


Anybody knows why the IO bandwidth on a NT Intel box is that much
limited? Why it is that hard to get even close to 100 Mbyte/sec, if the
theoretical bandwidth of PCI can be much higher? like: 66Mhz x 32bit bus
= 66Mhz x4 byte = 266 Mbyte/sec?

What cause this difference between theoretical and practical
bandwidth? is it CPU, chipset, or cache coherence mechanism?

Is it just the ugly Operating System? Is possible to get more on a Linux
on Intel machine? On an Sgi/Irix, with THE SAME PCI bus you can easily
get over 200 Mbyte/sec...

What is the best disk read bandwidth on a Linux you have ever seen?
on which hardware?

Maybe the new Linux SGI file system (efs = xfs) is going to improve
this, or is it a hardware limitation of Intel boxes?.....

Lot of questions here.... put in your two cents of worth, please ;)

Best regards,
David, Roman.


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:53    [W:0.045 / U:0.020 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site