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SubjectRe: IP Checksumming

On Sat, 23 Nov 1996, Alan Cox wrote:

>
> My numbers agree with Tom May's give or take 5%. His code craps all
> over yours both with the data in the cache, in the L2 cache or in
> main memory (generally its in L1 cache, but with DMA devices its in main
> memory).
>
> Alan
>
That's what I really enjoy about persons who know everything. They usually
show great intellectual capacity. Use the Pentium's internal cycle-counter
to test something before you state "His code craps all over yours...".

As I stated in the beginning of the conversation, that is now getting way
too tired, test whatever you want with the cycle-counter and the interrupts
OFF so you test only that code. Then repeat your last statement.

Cheers,
Dick Johnson
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Richard B. Johnson
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Analogic Corporation
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