Transparently Achieving Superior Socket Performance Using Zero Copy Socket Direct Protocol over 20Gb/s InfiniBand Links
Sockets Direct Protocol (SDP) is a byte stream protocol that utilizes the capabilities of the InfiniBand fabric to transparently achieve performance gains for existing socket-based networked applications. In this paper we discuss an implementation of Zero Copy support for synchronous send()/recv() s...
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| creator | Goldenberg, D. Kagan, M. Ravid, R. Tsirkin, M.S. |
| description | Sockets Direct Protocol (SDP) is a byte stream protocol that utilizes the capabilities of the InfiniBand fabric to transparently achieve performance gains for existing socket-based networked applications. In this paper we discuss an implementation of Zero Copy support for synchronous send()/recv() socket calls, that uses the remote DMA capability of InfiniBand for SDP data transfers. We added this support to the open-source implementation of SDP over InfiniBand. We evaluate this implementation over a 20 Gb/s InfiniBand link. We demonstrate scalability of Zero Copy and show its benefits for systems that utilize multiple socket connections in parallel. For example, enabling Zero Copy with 8 active connections yields a bandwidth growth from 630MB/s to 1360MB/s, at the same time reducing the CPU utilization by a factor often |
| doi_str_mv | 10.1109/CLUSTR.2005.347027 |
| format | Conference Proceeding |
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| ispartof | 2005 IEEE International Conference on Cluster Computing, 2005, p.1-10 |
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| language | eng |
| recordid | cdi_ieee_primary_4154155 |
| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Bandwidth Delay Engines Fabrics Kernel Open source software Protocols Radio access networks Sockets Switches |
| title | Transparently Achieving Superior Socket Performance Using Zero Copy Socket Direct Protocol over 20Gb/s InfiniBand Links |
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