The new unit of computing is the data center and at its core are NVIDIA GPUs and NVIDIA networks. Accelerated computing requires accelerated input/output (IO) to maximize performance. NVIDIA Magnum IO™, the IO subsystem of the modern data center, is the architecture for parallel, asynchronous, and intelligent data center IO, maximizing storage and network IO performance for multi-GPU, multi-node acceleration.
Magnum IO, the IO subsystem for data centers, introduces the new enhancements necessary to accelerate IO and the communications supporting multi-tenant data centers, known as Magnum IO for Cloud-Native Supercomputing.
Magnum IO GPUDirect over an InfiniBand network enables Verizon’s breakthrough distributed volumetric video architecture. By placing their technology into edge computing centers, located at sports centers around the United States and in Verizon facilities, they’re able to bring 3D experiences to media and serve up new options for putting you in the game.
Bypasses the CPU to enable direct IO among GPU memory, network, and storage, resulting in 10X higher bandwidth.
Relieves CPU contention to create a more balanced GPU-accelerated system that delivers peak IO bandwidth, resulting in up to 10X fewer CPU cores and 30X lower CPU utilization.
Provides optimized implementation for current and future platforms, whether data transfers are fine-grained and latency-sensitive, coarse-grained and bandwidth-sensitive, or collectives.
Magnum IO utilizes storage IO, network IO, in-network compute, and IO management to simplify and speed up data movement, access, and management for multi-GPU, multi-node systems. Magnum IO supports NVIDIA CUDA-X™ libraries and makes the best use of a range of NVIDIA GPU and NVIDIA networking hardware topologies to achieve optimal throughput and low latency.
[Developer Blog] Magnum IO - Accelerating IO in the Modern Data Center
In multi-node, multi-GPU systems, slow CPU, single-thread performance is in the critical path of data access from local or remote storage devices. With storage IO acceleration, the GPU bypasses the CPU and system memory, and accesses remote storage via 8X 200 Gb/s NICs, achieving up to 1.6Terabits/s of raw storage bandwidth.
Technologies Included:
NVIDIA NVLink® fabric and RDMA-based network IO acceleration reduces IO overhead, bypassing the CPU and enabling direct GPU to GPU data transfers at line rates.
Technologies Included:
In-network computing delivers processing within the network, eliminating the latency introduced by traversing to the endpoints, and any hops along the way. Data Processing Units (DPUs) introduce software defined, network hardware-accelerated computing, including pre-configured data processing engines and programmable engines.
Technologies Included:
To deliver IO optimizations across compute, network, and storage, users need advanced telemetry and deep troubleshooting techniques. Magnum IO management platforms empower research and industrial data center operators to efficiently provision, monitor, manage, and preventatively maintain the modern data center fabric.
Technologies Included:
Magnum IO interfaces with NVIDIA CUDA-X high performance computing (HPC) and artificial intelligence (AI) libraries to speed up IO for a broad range of use cases—from AI to scientific visualization.
Today, data science and machine learning (ML) are the world's largest compute segments. Modest improvements in the accuracy of predictive ML models can translate into billions of dollars to the bottom line. To enhance accuracy, the RAPIDS™ Accelerator library has a built-in accelerated Apache Spark shuffle based on UCX that can be configured to leverage GPU-to-GPU communication and RDMA capabilities. Combined with NVIDIA networking, Magnum IO software, GPU-accelerated Spark 3.0, and RAPIDS, the NVIDIA data center platform is uniquely positioned to speed up these huge workloads at unprecedented levels of performance and efficiency.
Adobe Achieves 7X Speedup in Model Training with Spark 3.0 on Databricks for a 90% Cost Savings
To unlock next-generation discoveries, scientists rely on simulation to better understand complex molecules for drug discovery, physics for new sources of energy, and atmospheric data to better predict extreme weather patterns. Magnum IO exposes hardware-level acceleration engines and smart offloads, such as RDMA, GPUDirect, and NVIDIA SHARP, while bolstering the 400Gb/s high bandwidth and ultra-low latency of NVIDIA Quantum 2 InfiniBand networking.
With multi-tenancy, user applications may be unaware of indiscriminate interference from neighboring application traffic. Magnum IO, on the latest NVIDIA Quantum 2 InfiniBand platform, features new and improved capabilities for mitigating the negative impact on a user’s performance. This delivers optimal results, as well as the most efficient high performance computing (HPC) and machine learning deployments at any scale.
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AI models continue to explode in complexity as they take on next-level challenges, such as conversational AI and deep recommender systems. Conversational AI models like NVIDIA’s Megatron-BERT take over 3000X more computing power to train compared to image classification models like ResNet-50. Enabling researchers to continue pushing the envelope of what's possible with AI requires powerful performance and massive scalability. The combination of HDR 200Gb/s InfiniBand networking and the Magnum IO software stack delivers efficient scalability to thousands of GPUs in a single cluster.
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