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| From: | Jakob Stoklund Olesen |
| Subject: | [lwip-devel] [task #7040] Work on tcp_enqueue |
| Date: | Fri, 30 Jan 2009 23:26:25 +0000 |
| User-agent: | Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_5_6; en-us) AppleWebKit/525.27.1 (KHTML, like Gecko) Version/3.2.1 Safari/525.27.1 |
Follow-up Comment #10, task #7040 (project lwip):
Bill, thanks for testing the patch!
What is the limiting factor for your performance?
CPU? Network bandwidth? Bandwidth-delay product? DMA
bandwidth/fragmentation?
Do you have retransmissions?
Sending full-sized TCP segments only helps you if you are saturating the
network link. It minimizes the protocol header overhead. If you are
CPU-limited, it could well be more work. The pbuf chains will be slightly
longer on average.
Your 1% number is rather small. Did you measure a variance as well?
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