2023年3月18日 · Remote Direct Memory Access (RDMA) is the access of memory of one computer by another in a network without involving either one’s operating system, processor or cache.It improves throughput and performance of systems as it frees up many resources.

Remote Direct Memory Access is a technology that enables two networked computers to exchange data in main memory without relying on the processor, cache or operating system of either computer.

2020年4月29日 · RDMA and RoCE became the fuel for fast networks at Mellanox, now part of NVIDIA. The networking technology that feeds the world’s largest supercomputers and data centers spawned one of this year’s top tech mergers and now it drives AI.

2024年11月7日 · Learn how RDMA (remote direct memory access) optimizes data transfer with low latency and high throughput, boosting data centers, cloud, and ML performance.

Four Types of RDMA Operations •RDMA Write: Write data from local node to specified address at remote node. •RDMA Read: Read data from specified address at remote node to local node. •RDMA Atomic: Atomic fetch-add and compare-swap operations at specified location at remote node. •Send/Receive: Send data to a remote node.

Remote Direct Memory Access (RDMA) is an extension of the Direct Memory Access (DMA) technology, which is the ability to access host memory directly without CPU intervention. RDMA allows for accessing memory data from one host to another.

2021年12月14日 · RDMA is a networking technology that provides high-throughput, low-latency communication that minimizes CPU usage. NDK currently supports the following RDMA technologies: Infiniband (IB) Internet Wide Area RDMA Protocol (iWARP) RDMA over Converged Ethernet (RoCE) For more information about RDMA, Infiniband, iWARP, and RoCE, see the …

2024年9月16日 · Remote Direct Memory Access (RDMA) is a data transport protocol that has changed the way data is transferred over networks. This article will discuss the topic of RDMA, what it is, how it differs from Transmission Control Protocol (TCP), and why you might want to use it in a high availability (HA) data replication topology.

The usual strategy is: Post as many RECV operations as possible Post a new RECV as soon as a RECV completion event. Here, the sender does not know how many exs recv operations (corresponding to ADVERTs) were consumed by its INDIRECT send.

2014年3月31日 · Direct memory access (DMA) is an ability of a device to access host memory directly, without the intervention of the CPU (s). RDMA (Remote DMA) is the ability of accessing (i.e. reading from or writing to) memory on a remote machine without interrupting the processing of the CPU (s) on that system. So? why is this so good?