Re: RFC: NAPI packet weighting patch

[Andi Kleen <ak@xxxxxxx>]

> While much has changed since then, the same basic parameters remain
>    - cache line size

In 96 we had 32 byte cache lines. These days 64-128 are common,
with some 256 byte cache line systems around.

>    - frame header size (MAC+IP+ProtocolHeader)

In 96 people tended to not use time stamps.

>    - hot cache lines from copying or type classification

Not sure what you mean with that.

>    - cold memory lines from PCI writes

I suspect in '96 chipsets also didn't do as aggressive prefetching
as they do today.

-Andi