Building a monokernel for LLM inference on AMD MI300X - up to 3,300 output tokens/s per request [P]
Our take
The recent innovation of building a monokernel for Large Language Model (LLM) inference on the AMD MI300X presents a significant leap in performance that warrants attention from both developers and organizations looking to harness the power of AI. Achieving output speeds of up to 3,300 tokens per second with a batch size of one, this advancement not only showcases the capabilities of the MI300X architecture but also highlights the potential for optimizing data processing at unprecedented speeds. As organizations increasingly look to leverage AI for various applications, understanding the implications of such technological advancements becomes crucial. For instance, the recent GitHub Slashes Agent Workflow Token Spend up to 62% with Daily Audits and MCP Pruning discusses how efficiency gains in workflows can translate to significant cost savings, reinforcing the case for adopting cutting-edge technologies.
The integration of a monokernel that executes the full decode sequence as a single GPU-resident program serves as a testament to the power of thoughtful architectural design. By mapping memory access patterns to the physical layout of the GPU and coordinating compute units with their associated Input/Output Die (IOD), developers have maximized hardware utilization. This nuanced approach not only enhances the performance of the model but also sets a new standard for what is achievable in LLM inference. As organizations navigate the complexities of data management, the ability to streamline processes will be vital. The insights shared in the article on building evals for AI adoption, titled Presentation: Building Evals for AI Adoption: From Principles to Practice, further underscore the importance of measurement and evaluation in ensuring that these technologies deliver the anticipated results.
From a broader perspective, this development signifies a shift towards more efficient and powerful AI systems that can handle increasingly complex tasks. The ability to run advanced models without speculative decoding or quantization indicates a move towards optimizing raw computational resources rather than merely focusing on algorithmic shortcuts. This could have far-reaching implications for sectors reliant on real-time data processing, such as finance, healthcare, and content generation. As organizations witness the tangible benefits of these advancements, we can anticipate a growing demand for skilled professionals who can implement and manage such technologies effectively.
Looking ahead, the potential to support larger models, such as frontier Mixture of Experts (MoE), suggests that we are only scratching the surface of what's possible. As the landscape of AI continues to evolve, organizations must remain agile and open to exploring these transformative solutions. What remains to be seen is how quickly businesses will adopt these innovations and integrate them into their existing systems. The question of whether these advancements will democratize access to powerful AI tools or create a divide between tech-savvy organizations and those lagging behind is one worth watching closely. The future of data management is not just about speed but also about accessibility and empowerment, ensuring that all users can benefit from the advancements in AI technology.
We built a monokernel that runs the full decode sequence as one GPU-resident program on AMD MI300X, with some neat optimizations. The die topology is central to the result, we map memory access patterns to the physical layout, compute units group by their associated IOD, and the hardware runs at its full design performance.
Up to 3,300 output tokens/s per request, batch size 1, no speculative decoding, no quantization, on 8x MI300X.
This preview runs a small 2B coding model, and we plan to support large frontier MoE in the future.
Technical deep dive: https://blog.kog.ai/building-a-single-kernel-latency-optimized-llm-inference-engine-on-amd-mi300x-gpus
Try it: https://playground.kog.ai
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