. We would like to show you a description here but the site won’t allow us. About the team Our team is dedicated to supporting new members. EFA, NVSwitch, and GPUDirect are crucial for minimizing latency and maximizing bandwidth in such workloads. html for basic knowledge of EFA Elastic Fabric Adapter (EFA) Cheat Sheet The Elastic Fabric Adapter (EFA) is a network interface for Amazon EC2 instances that enables you to run applications that require high levels of inter-node communication at scale on AWS. 5 days ago · Compare x8i. Do IT Now also compared results in terms of performance and costs for each application and instance combination. Specifically designed to meet the low-latency and high-throughput demands of HPC applications, EFA plays a crucial role in enabling seamless communication between instances in a cluster. x Upgrade to v21. EFA driver metrics for an Amazon EC2 instance The Elastic Fabric Adapter (EFA) driver publishes multiple metrics from the instances that have EFA interfaces attached, in real time. Detach an EFA To detach an EFA from an instance, you must first stop the instance. 48xlarge, p4d. Amazon Batch supports applications that use EFA if the following conditions are met. Jan 13, 2026 · This document provides guidance for diagnosing and resolving performance bottlenecks in M-ASK deployments. Amazon EFS offers the following file system types to meet your availability and durability needs: Nov 5, 2025 · To validate these tests, Perplexity tested the kernels on its in-house inference engine using both DeepSeek V3 and Kimi K2 running on a series of AWS H200 p5en instances using EFA for inter-node communications. x Upgrade to v18. Important to know that Elastic Fabric Adapter (EFA) in AWS does utilize Remote Direct Memory Access (RDMA). AWS Nitro, ENA, EFA, Graviton and F1 EC2 Instances, AWS Neuron, Inferentia and Trainium ML Accelerators, and in storage with scalable NVMe, are some of the products we have delivered, over the last few years. This tutorial helps you to launch an EFA and MPI-enabled instance cluster for HPC workloads. For a list of instance types that support EFAs, see Supported instance types in the Amazon EC2 User Guide. 24xlarge and p4de. The Elastic Fabric Adapter (EFA) is a network interface for Amazon EC2 instances that enables you to run applications that require high levels of inter-node communication at scale on AWS. To verify Security Group in Node Instances: Go to EC2 Dashboard - AWS Console, add the EFA-enable security group in Step2 to the node instances in the EKS cluster, verify the Inbound and Outbound rules of each node instance meet requirements: Jun 13, 2025 · Find out everything you need to know about Amazon EC2 GPU instances (P family and G Family) and how to cost optimize with them. AWS Batch supports applications that use EFA if the following conditions are met. Elastic Fabric Adapter (EFA) is a network device that has OS-bypass capabilities for low-latency network communications with other instances on the same subnet. Each virtual server is known as an “instance”. x Upgrade to v19. With Amazon EC2 you launch virtual server instances on the AWS cloud. EFA is exposed by using Libfabric, and can be used by applications using the Messaging Passing Interface (MPI). To verify Security Group in Node Instances: Go to EC2 Dashboard - AWS Console, add the EFA-enable security group in Step2 to the node instances in the EKS cluster, verify the Inbound and Outbound rules of each node instance meet requirements: 2 days ago · preparing for AWS? Discover essential tips to pass the SAA-C03 exam on your first try. 96xlarge ect. Learn how to launch an EFA and NCCL-enabled cluster for machine learning workloads on Amazon EC2 Feb 7, 2024 · Its integration with AWS services and compatibility with various instance types ensures that EFA not only offers superior networking capabilities but also maintains flexibility and scalability in demanding and data-intensive environments. To Amazon EFS is accessible across most types of Amazon Web Services compute instances, including Amazon EC2, Amazon ECS, Amazon EKS, AWS Lambda, and AWS Fargate. Install the EFA-enabled kernel, EFA drivers, Libfabric, and Open MPI stack that is required to support EFA on your temporary instance. You use preconfigured templates for your instances known as Amazon Machine Images (AMIs). Jun 13, 2025 · Find out everything you need to know about Amazon EC2 GPU instances (P family and G Family) and how to cost optimize with them. You cannot detach an EFA from an instance that is in the running state. It provides OS-bypass (aka skip the kernel) communication, RDMA Read and Write (on p5) and significantly lower latency over TCP. The p4d. Do IT Now deployed an HPC cluster in the cloud, using AMD-based HPC-optimized instances on AWS, installed Altair applications on the infrastructure, and conducted benchmarks with reference models for each application. You can create an EFA and attach it to an Amazon EC2 instance much like any other elastic network interface in Amazon EC2. Jan 10, 2026 · Both NVIDIA GPU and AWS Neuron accelerated AMIs can be combined with Elastic Fabric Adapter (EFA) support by setting enable_efa=true. Learn how to integrate Elastic Fabric Adapter (EFA) with Amazon EKS to run machine learning training workloads requiring high inter-node communications at scale using p4d instances with GPUDirect RDMA and NVIDIA Collective Communications Library (NCCL). EFA provides high-throughput, low-latency networking, which is particularly important for distributed computing workloads across multiple nodes. For a list of EFA-enabled instances, see Elastic Fabric Adapter for HPC and ML workloads on Amazon EC2 in the Amazon Elastic Compute Cloud User Guide. x External Documentation Please note that we strive to provide a comprehensive suite of documentation for configuring Elastic Fabric Adapter（EFA）是一种网络设备，可以将其附加到 Amazon EC2 实例以加速人工智能（AI）、机器学习（ML）和高性能计算（HPC）应用程序。 EFA 使您能够利用 AWS 云提供的可伸缩性、灵活性和弹性，实现本地 AI/ML 或 HPC 集群的应用程序性能。 Learn more The p4d. aws. 24xlarge instance type supports RDMA read but not RDMA write due to specific hardware and driver implementation decisions made by AWS for their Nitro v3 architecture. Hi Alok, The EC2 instance that supports EFA with RDMA Read/Write, NVSWITCH, and GPUDirect is the p4d. ENA Express provides optimized network communication for Amazon EC2 instances using an advanced path selection algorithm and enhanced congestion control mechanism. This is a level 300/400 workshop for chip engineers with experience on ASIC/FPGA design, and who want to get hands-on experience with AWS FPGA development using EC2 and EC2 F1 FPGA cloud instances, and all the related tools for FPGA development in the cloud. AWS Elastic Fabric Adapter (EFA) is a specialized network interface for Amazon EC2 instances that allows customers to run high levels of inter-instance communication, such as HPC applications on AWS at scale on. Includes cheat sheets, practice exam advice, and a 4-week study plan. You can detach an EFA from an Amazon EC2 instance and delete it in the same way as any other elastic network interface in Amazon EC2. The service is designed to be highly scalable, highly available, and highly durable. Elastic Fabric Adapter (EFA) is a network device that you can attach to your Amazon EC2 instances to accelerate Artificial Intelligence (AI), Machine learning (ML), and High Performance Computing (HPC) workloads. 24xlarge, hpc7a. An Elastic Fabric Adapter (EFA) is a network device to accelerate High Performance Computing (HPC) applications. Learn how to launch an EFA and NCCL-enabled cluster for machine learning workloads on Amazon EC2 AWS EKS Terraform module Terraform module which creates Amazon EKS (Kubernetes) resources Documentation Frequently Asked Questions Compute Resources User Data Network Connectivity Upgrade Guides Upgrade to v17. 24xlarge instance is specifically designed for high-performance computing and machine learning workloads. To use EFA with AWS ParallelCluster and a Slurm scheduler, set SlurmQueues / ComputeResources / Efa / Enabled to true. Learn how to maximize network bandwidth on accelerated computing instance types such as P5 or G6e with Elastic Fabric Adapter (EFA). However, unlike elastic network interfaces, EFAs can't be attached to or detached from an instance in a running state. To With EFA and GDS support, you can achieve higher throughput to individual EFA-enabled client instances. Key pair creation, secure storage, and usage for connecting to Amazon EC2 instances covered, including public key placement, lost key recovery, and Session Manager alternative. Dec 12, 2023 · EFA is a network protocol and network device available on select AWS instance types including p5. Please read https://docs. According to the documentation, p4d. The Elastic Fabric Adapter (EFA) is a network interface for Amazon Elastic Compute Cloud (EC2) instances that allows you to run HPC applications with improved levels of communication between several different nodes. 24xlarge instance. Elastic Fabric Adapter (EFA) is a high performance networking interface for EC2 instances that enables customers to run applications requiring high levels of inter-node communications at scale on AWS. amazon. During this analysis, Do IT Now also explored possible Amazon Elastic Compute Cloud (Amazon EC2) is a web service that provides resizable compute capacity in the cloud. The steps differ depending on whether you intend to use EFA with Open MPI, with Intel MPI, or with Open MPI and Intel MPI. com/AWSEC2/latest/UserGuide/efa. It covers GPU utilization problems, network communication issues, memory constraints, and fra To use EFA, all instance types that are allowed for an AWS PCS compute group must support EFA, and must have the same number of vCPUs (and GPUs if appropriate). Elastic Fabric Adapter (EFA) is a network device that you can attach to your Amazon EC2 instances to accelerate Artificial Intelligence (AI), Machine learning (ML), and High Performance Computing (HPC) workloads. 2 days ago · preparing for AWS? Discover essential tips to pass the SAA-C03 exam on your first try. Nov 15, 2023 · Elastic Fabric Adapter (EFA) is a specialized networking interface designed for high-performance computing (HPC) workloads within the Amazon EC2 environment. metal-96xl Amazon EC2 instance prices and specifications across regions, currencies, spot and standard tiers, savings, and reserved instances. 24xlarge instances both support RDMA read capabilities but not RDMA write. x Upgrade to v20.

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