Azure units a scale file in massive language mannequin coaching

Azure empowers clever providers like Microsoft Copilot, Bing, and Azure OpenAI Service which have captured our creativeness in latest days. These providers, facilitating varied purposes like Microsoft Workplace 365, chatbots, and search engines like google with generative AI, owe their magic to massive language fashions (LLMs). Whereas the most recent LLMs are transcendental, bringing a generational change in how we apply synthetic intelligence in our each day lives and purpose about its evolution, we have now merely scratched the floor. Creating extra succesful, honest, foundational LLMs that eat and current info extra precisely is critical.  

How Microsoft maximizes the ability of LLMs

Nevertheless, creating new LLMs or bettering the accuracy of present ones is not any straightforward feat. To create and practice improved variations of LLMs, supercomputers with huge computational capabilities are required. It’s paramount that each the {hardware} and software program in these supercomputers are utilized effectively at scale, not leaving efficiency on the desk. That is the place the sheer scale of the supercomputing infrastructure in Azure cloud shines and setting a brand new scale file in LLM coaching issues. 

Scale records on the model GPT-3 (175 billion parameters) from MLPerf Training v3.0 in June 2023 (3.0-2003) and Azure on MLPerf Training v3.1 in November 2023 (3.1-2002). 
Determine 1: Scale information on the mannequin GPT-3 (175 billion parameters) from MLPerf Coaching v3.0 in June 2023 (3.0-2003) and Azure on MLPerf Coaching v3.1 in November 2023 (3.1-2002). 

Clients want dependable and performant infrastructure to convey essentially the most subtle AI use circumstances to market in file time. Our goal is to construct state-of-the-art infrastructure and meet these calls for. The newest MLPerf™ 3.1 Coaching outcomes1 are a testomony to our unwavering dedication to constructing high-quality and high-performance programs within the cloud to attain unparalleled effectivity in coaching LLMs at scale. The concept right here is to make use of huge workloads to emphasize each part of the system and speed up our construct course of to attain top quality.

The GPT-3 LLM mannequin and its 175 billion parameters have been skilled to completion in 4 minutes on 1,344 ND H100 v5 digital machines (VMs), which characterize 10,752 NVIDIA H100 Tensor Core GPUs, related by the NVIDIA Quantum-2 InfiniBand networking platform (as proven in Determine 1). This coaching workload makes use of near real-world datasets and restarts from 2.4 terabytes of checkpoints appearing carefully a manufacturing LLM coaching state of affairs. The workload stresses the H100 GPUs Tensor Cores, direct-attached Non-Risky Reminiscence Specific disks, and the NVLink interconnect that gives quick communication to the high-bandwidth reminiscence within the GPUs and cross-node 400Gb/s InfiniBand cloth. 

“Azure’s submission, the most important within the historical past of MLPerf Coaching, demonstrates the extraordinary progress we have now made in optimizing the dimensions of coaching. MLCommons’ benchmarks showcase the prowess of recent AI infrastructure and software program, underlining the continual developments which have been achieved, finally propelling us towards much more highly effective and environment friendly AI programs.”—David Kanter, Government Director of MLCommons 

Microsoft’s commitment to efficiency

In March 2023, Microsoft launched the ND H100 v5-series which accomplished coaching a 350 million parameter Bidirectional Encoder Representations from Transformers (BERT) language mannequin in 5.4 minutes, beating our present file. This resulted in a 4 occasions enchancment in time to coach BERT inside simply 18 months, highlighting our steady endeavor to convey the perfect efficiency to our customers.

Relative size of the models BERT (350 million parameters) and GPT-3 (175 billion parameters) from MLPerf Training v3.1.  
Determine 2: Relative measurement of the fashions BERT (350 million parameters) and GPT-3 (175 billion parameters) from MLPerf Coaching v3.1.  

At the moment’s outcomes are with GPT-3, a big language mannequin within the MLPerf Coaching benchmarking suite, that includes 175 billion parameters, a exceptional 500 occasions bigger than the beforehand benchmarked BERT mannequin (determine 2). The most recent coaching time from Azure reached a 2.7x enchancment in comparison with the earlier file from MLPerf Coaching v3.0. The v3.1 submission underscores the flexibility to lower coaching time and value by optimizing a mannequin that precisely represents present AI workloads.

The facility of virtualization

NVIDIA’s submission to the MLPerf Coaching v3.1 LLM benchmark on 10,752 NVIDIA H100 Tensor Core GPUs achieved a coaching time of three.92 minutes. This quantities to only a 2 % improve within the coaching time in Azure VMs in comparison with the NVIDIA bare-metal submission, which has the best-in-class efficiency of digital machines throughout all choices of HPC situations within the cloud (determine 3).

Relative training times on the model GPT-3 (175 billion parameters) from MLPerf Training v3.1 between the NVIDIA submission on the bare-metal platform (3.1-2007) and Azure on virtual machines (3.1-2002). 
Determine 3: Relative coaching occasions on the mannequin GPT-3 (175 billion parameters) from MLPerf Coaching v3.1 between the NVIDIA submission on the bare-metal platform (3.1-2007) and Azure on digital machines (3.1-2002). 

The most recent leads to AI Inferencing on Azure ND H100 v5 VMs present management outcomes as effectively, as proven in MLPerf Inference v3.1. The ND H100 v5-series delivered 0.99x-1.05x relative efficiency in comparison with the bare-metal submissions on the identical NVIDIA H100 Tensor Core GPUs (determine 4), echoing the effectivity of digital machines.

Performance of the ND H100 v5-series (3.1-0003) compared to on-premises and bare metal offerings of the same NVIDIA H100 Tensor Core GPUs (3.1-0107 and 3.1-0121). All the results were obtained with the GPT-J benchmark from MLPerf Inference v3.1, scenarios: Offline and Server, accuracy: 99 percent.
Determine 4: Efficiency of the ND H100 v5-series (3.1-0003) in comparison with on-premises and naked metallic choices of the identical NVIDIA H100 Tensor Core GPUs (3.1-0107 and three.1-0121). All the outcomes have been obtained with the GPT-J benchmark from MLPerf Inference v3.1, situations: Offline and Server, accuracy: 99 %.

In conclusion, created for efficiency, scalability, and adaptableness, the Azure ND H100 v5-series gives distinctive throughput and minimal latency for each coaching and inferencing duties within the cloud and gives the best high quality infrastructure for AI.

Study extra about Azure AI Infrastructure


  1. MLCommons® is an open engineering consortium of AI leaders from academia, analysis labs, and trade. They construct honest and helpful benchmarks that present unbiased evaluations of coaching and inference efficiency for {hardware}, software program, and providers—all carried out underneath prescribed situations. MLPerf™ Coaching benchmarks encompass real-world compute-intensive AI workloads to greatest simulate buyer’s wants. Assessments are clear and goal, so know-how decision-makers can depend on the outcomes to make knowledgeable shopping for choices. 

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