[B! zero-copy] dannのブックマーク

Efficient data transfer through zero copy

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dann 2011/08/23

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最近興味を持った論文リスト - syuu1228's blog

1996 The effectiveness of affinity-based scheduling in multiprocessor networking An Evaluation of Network Stack Parallelization Strategies in Modern Operating Systemsと近い内容らしい 2000 End-System Optimizations for High-Speed TCP Zerocopy, Offloading, RDMA, Jumbo packetなどを使ったスタックの最適化の効果を定量的に評価 2001 Alpine: A User-Level Infrastructure for Network Protocol Development ユーザモードで動作するNetwork stackの実装と評価。 FreeB

dann 2011/08/15

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Efficient Linux sockets (DMA/zero-copy)

I'm building a very high performance Linux server (based on epoll, non-blocking sockets, and async disk IO [based on io_submit/io_getevents/eventfd]). Some of my benchmarks show that the way I handle sockets isn't efficient enough for my requirements. In particular, I'm concerned with getting data from the userspace buffer to the network card, and from the network card back to the userspace buffer

dann 2011/08/15

zero-copy

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Zero-Copy in Linux with sendfile() and splice() – Superpatterns

Superpatterns Pat Patterson on the Cloud, Identity and Single Malt Scotch After my recent excursion to Kernelspace, I’m back in Userland working on a server process that copies data back and forth between a file and a socket. The traditional way to do this is to copy data from the source file descriptor to a buffer, then from the buffer to the destination file descriptor – like this: // do_read an

dann 2011/08/15