TierTrain: Proactive Memory Tiering for CPU-Based DNN Training

Sathvik Swaminathan ,
Sandeep Kumar ,
Aravinda Prasad ,
and Sreenivas Subramoney
Research Scientist
Processor Architecture Research Lab, Intel Labs
ISMM, Seoul, South Korea 2025

Introduction

DNN training on CPUs – a memory perspective.

TierTrain leverages the periodic access pattern in an application to enable aggressive and timely tiering of data.