DeepSpeed Inference: Tensor Parallelism and Memory Efficiency for Large Models

"DeepSpeed Inference: Tensor Parallelism and Memory Efficiency for Large Models"

Serving large transformer models efficiently is no longer a matter of loading weights and hoping the hardware keeps up. This book is written for experienced ML engineers, systems practitioners, and infrastructure researchers who need a precise, production-oriented understanding of how DeepSpeed Inference scales models beyond single-device limits while preserving latency and throughput. It speaks directly to readers responsible for real deployment decisions, not simplified toy examples.

Across the book, you will learn how DeepSpeed’s inference stack is structured, how `init_inference` controls runtime behavior, and when tensor parallelism is the right scaling mechanism. It examines kernel injection, fused execution, checkpoint compatibility, automatic versus manual partitioning, ZeRO-Inference, heterogeneous memory, KV-cache offloading, and quantization as interconnected system choices rather than isolated features. The result is a rigorous framework for choosing deployment regimes, diagnosing bottlenecks, and engineering memory-efficient serving paths for very large models.

The treatment is version-aware and deliberately practical, helping readers navigate documentation drift, model support boundaries, and migration from classic DeepSpeed Inference concepts to newer FastGen-era framing. Readers should already be comfortable with transformer architectures, distributed GPU systems, and modern model-serving workflows. In return, the book offers a deeply technical, structured guide to the perfor

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Дата на излизане

Е-книга: 5 май 2026 г.