IT Services Circle

Nov 28, 2025 · Artificial Intelligence

Unlocking AI Model Speed: How Data, Pipeline, Tensor & Expert Parallelism Work

AI model training relies on parallel computing, and this guide explains the four main parallelism strategies—Data Parallelism, Pipeline Parallelism, Tensor Parallelism, and Expert Parallelism—detailing their mechanisms, advantages, drawbacks, and how techniques like ZeRO and mixed 3D parallelism optimize memory and performance for massive models.