[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [microblaze-uclinux] very low file transfer rate




John Williams wrote:
>anand_12 wrote:

>>  when i do an ftp from my microblaze-uclinux board to any other host on the local LAN( 100M bps ethernet) and transfer files,the best file transfer rate i get is 92 kbytes/sec
>> ...the data is something like this..
>> 
>> P4 = pentium 4 1.8 Ghz
>> 
>> 1.ftp from MBuClinux board to a remote host P4
>> 
>>  file size = 5 kbytes , file transfer rate = 23 kbytes/sec
>>  file size = 600 kbytes , file tranfer rate = 92 kbytes/sec
>>  file size = 1.5 MB , file transfer rate = 92 kbytes/sec

>These sound very slow - on mbvanilla_net, with 66mhz system clock, I get 
>closer to 1.5 Mbit per second, for a 10MByte tftp transfer.

One cause of slow transfers like this is one end being set to half-duplex
while the other is set to full-duplex.

Robert Swindells
___________________________
microblaze-uclinux mailing list
microblaze-uclinux@itee.uq.edu.au
Project Home Page : http://www.itee.uq.edu.au/~jwilliams/mblaze-uclinux
Mailing List Archive : http://www.itee.uq.edu.au/~listarch/microblaze-uclinux/