Messages in this thread | | | From | (Alan Cox) | Subject | Re: Idea to make a kickass TCP read! | Date | Fri, 7 Aug 1998 01:37:11 +0100 (BST) |
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> What if we created a read call that was identical in every way, except > you passed it a SHM handle. It would directly write the data to the > SHM segment rather than doing a NIC -> kernel -> user operation? > > This would make a one copy high performance, low-latency TCP read for > the Cluster nuts.
No it wouldnt. Zero copy TCP is hard and on current PC type cards basically impossible for most cases
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