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SubjectRe: TCP/IP Speed
Zwane Mwaikambo wrote:

>On Wed, 30 Jan 2002, Richard B. Johnson wrote:
>
>>But it's already connected.
>>
>>
>> host:
>> for (;;) {
>> gettimeofday(...);
>> write(s, buf, 64);
>> read(s, buf, sizeof(buffer));
>> gettimeofday(...);
>> /* delay is 1.0 ms */
>> }
>> server is IPPORT_ECHO
>>
>
>You didn't make that explicit in your previous email, and anyway what kind
>of resolution can you expect from gettimeofday...
>
Depending on the processor, gettimeofday has very high resolution.

If I remember correctly, the TCP stacks put in delays for small sends so
they can pack multiple things together. I think there are ways to work
around this via some type of flush, but memory fails me on exactly how.

-Corey

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