MYRINET MX DRIVER

Please help improve this article by adding citations to reliable sources. For configuration details, see the headers of the corresponding output file. It provides application-level with wire-protocol compatibility with the native MXoE Myrinet Express over Ethernet stack. To get the latest Open-MX news, you should subscribe to the open-mx-announce mailing list. Myrinet physically consists of two fibre optic cables, upstream and downstream, connected to the host computers with a single connector. This article needs additional citations for verification. Open-MX is a high-performance implementation of the Myrinet Express message-passing stack over generic Ethernet networks.

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These include flow control, error control, and “heartbeat” monitoring on every link.

MyriG started shipping at the end of Retrieved from ” https: For instance, if you replace the 2. It shows that myrrinet Open-MX protocol knowledge in the NIC firmware and combining it with multiqueue capabilities improves performance by enhancing the cache-efficiency from the NIC up to the application.

This paper discussed cache-affinity-related problems in the Open-MX receive stack. Unsourced material may be challenged and removed. Retrieved Mydinet 1, This paper describes the initial design and performance of Open-MX stack.

[Rocks-Discuss] Processor limits for MX (Myrinet)

Views Read Edit View history. Direct access to all raw performance numbers is available here.

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From Wikipedia, the free encyclopedia. Machines are connected via md routers and switchesas opposed to connecting one machine directly to another.

Myrinet includes a number of fault-tolerance features, mostly backed by the switches.

Myrinet – Wikipedia

In the November TOP, the number of supercomputers using Myrinet was down to computers, or Please help improve this article by adding citations to reliable sources. For supercomputing, the low latency of Myrinet is even more important than its throughput performance, since, according to Amdahl’s lawa high-performance parallel system tends to be bottlenecked by its slowest sequential process, which in all but the most embarrassingly parallel supercomputer workloads is often the latency of message transmission across the network.

It provides application-level with wire-protocol compatibility with the native MXoE Myrinet Express over Mydinet stack.

Myrinet is a lightweight protocol with little overhead that allows it to operate with throughput close to the basic signaling speed of the physical layer. Open-MX is a high-performance implementation of the Myrinet Express message-passing stack over generic Ethernet networks.

The Mgrinet latency depends on the processor frequency. Support for Linux kernel starting with 2. See also the news archive.

[Rocks-Discuss] Processor limits for MX (Myrinet)

By using this site, you agree to the Terms of Use and Privacy Policy. Extended revision of the Euro-Par paper, discussing cache-affinity-related problems in the Open-MX receive stack and improving performance by enhancing the cache-efficiency from the NIC up to the application. Get the latest Open-MX news by subscribing to the open-mx-announce mailing list. This article needs additional citations for verification. The design of Open-MX is described in several papers. Open-MX development resources are maintained on the Inria Gforge server.

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Myrinet Express over Generic Ethernet Hardware

To get the latest Open-MX news, you should subscribe to the open-mx-announce mailing list. Myrinet was promoted as having lower protocol overhead than standards such as Ethernetand therefore better throughputless interference, and lower latency while using the host CPU.

September Learn how and when to remove this template message. Bug reports and questions should be sent on the project tracker or on the open-mx-devel mailing list.

If you are looking for general-purpose Open-MX citations, please use this one. Summary Open-MX is a high-performance implementation of the Myrinet Express message-passing stack over generic Ethernet networks. This paper describes the design of the Open-MX myrrinet and of its copy offload mechanism, and how the MX wire protocol and host configuration may be tuned for better performance.