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Insights from TitanML's Meryem Arik on Self-Hosting, RAG, and Scalable AI Infrastructure
June 24, 2024

Insights from TitanML's Meryem Arik on Self-Hosting, RAG, and Scalable AI Infrastructure

Rod Rivera
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Deploying LLMs in Production: Insights from Meryem Arik of TitanML

Large language models (LLMs) and generative AI are revolutionizing how businesses operate, but deploying these models in production environments remains challenging for many organizations. In a recent podcast, Meryem Arik, Co-founder and CEO of TitanML, shared valuable insights on LLM deployment, state-of-the-art RAG applications, and the inference architecture stack needed to support AI apps at scale.

The Current State of LLMs

Meryem highlighted the rapid pace of innovation in the LLM space, noting recent developments like Google's Gemini updates, OpenAI's GPT-4o, and the release of Llama 3. While the capabilities of these models continue to expand dramatically, Meryem emphasized that

"even if we stop LLM innovation, we probably have around a decade of enterprise innovation that we can unlock with the technologies that we have."

Some key trends Meryem expects to see in the coming year:

  • Increasingly impressive capabilities from surprisingly small models
  • Emergent technologies and phenomena from frontier-level models, especially around multimodality
  • More enterprise-friendly scale models alongside huge models with advanced multimodal abilities

Choosing the Right LLM for Your Use Case

When selecting an LLM for a particular application, Meryem recommended considering:

  1. The modality you care about (text, image, audio, etc.)
  2. Whether to use API-based or self-hosted models
  3. The size/performance/cost trade-off you're willing to make
  4. Whether you need a fine-tuned model for niche use cases

For enterprises concerned about privacy, data residency, or looking for better performance, self-hosted models are becoming an increasingly attractive option. Contrary to expectations, Meryem noted that it's not just large companies adopting self-hosted LLMs - many mid-market businesses and scale-ups are also investing in these capabilities.

Building State-of-the-Art RAG Applications

Retrieval Augmented Generation (RAG) has become a cornerstone technique for production-scale AI applications. Meryem shared some key components for building effective RAG apps:

  • Focus on data pipelines and embedding search rather than obsessing over the choice of vector database or generative model
  • Implement a two-stage semantic search process using both embedding search and re-ranker search
  • Consider deploying multiple specialized models (table parser, image parser, embedding model, re-ranker model) alongside your main LLM

Tips for LLM Deployment

Drawing from her experience working with clients, Meryem offered several valuable tips for teams looking to deploy LLMs:

  1. Define deployment requirements and boundaries upfront to guide system architecture
  2. Use 4-bit quantization to get better performance from larger models on limited resources
  3. Don't automatically default to the "best" model (e.g. GPT-4) for every task - smaller, cheaper models may suffice

The TitanML Inference Architecture Stack

To simplify self-hosting of AI apps, TitanML has developed an inference software stack.

Key features include:

  • Containerized, Kubernetes-native deployment
  • Multi-threaded Rust server for high performance
  • Custom inference engine optimized for speed using quantization, caching, and other techniques
  • Hardware-agnostic design supporting NVIDIA, AMD, and Intel
  • Support for multiple model types (generative, embedding, re-ranking, etc.) in a single container
  • Declarative interface for easy model swapping and experimentation

Meryem estimates that using the TitanML Enterprise Inference Stack can save teams 2-3 months per project compared to building everything from scratch.

The Regulatory Landscape

As AI capabilities grow, so do concerns about responsible development and deployment. Meryem emphasized the need for thoughtful government engagement and regulatory alignment between major powers like the EU, UK, US, and Asian countries. She also highlighted the critical role that major platforms will play in self-regulation.

Looking Ahead: AI's Growing Role

While AI is poised to become deeply embedded in our work and daily lives, Meryem cautioned against expecting overnight transformation. Instead, she's excited about the cumulative impact of micro-improvements across countless workflows:

"If we can in every single workflow make it 10% more efficient and keep doing that over and over and over again, I think we get to very real transformation."

Taking the Next Step

As LLMs and generative AI continue to evolve, organizations must carefully consider their deployment strategies to balance innovation with security, privacy, and compliance. Whether you're just starting to explore LLMs or looking to optimize your existing AI infrastructure, focusing on robust data pipelines, efficient semantic search, and scalable inference architecture will be key to success.

To learn more about deploying LLMs in production environments, we encourage you to listen to the full interview embedded below. For hands-on resources, Meryem recommends checking out the HuggingFace course on working with LLMs and exploring TitanML's repository of enterprise-ready quantized models.

InfoQ · Meryem Arik on LLM Deployment, State-of-the-art RAG Apps, and Inference Architecture Stack

By staying informed about the latest developments and best practices in LLM deployment, your organization can harness the transformative power of AI while navigating the complex technical and regulatory landscape.

Footnotes

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