[realtek] What throughput can be expected

Jeff Garzik jgarzik@mandrakesoft.com
Mon Jan 7 16:46:02 2002

Donald Becker wrote:
> The extra copying copy of packets to and from the memory used by the
> rtl8139, and various overheads depending on the kernel version.  The 2.0
> kernels were more efficient that the 2.2 and 2.4 kernels.

I do not see how this could possibly be true:  8139too in 2.4 kernels
copies buffers half as much as other 8139 drivers / kernels.  See
skb_copy_and_csum_dev and its use.  A P166 should fare far better on 2.4
than either kernels due to the dramatically lowered packet buffer copy


Jeff Garzik      | Alternate titles for LOTR:
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