Meitu Technology

May 29, 2018 · Artificial Intelligence

Boost MXNet Video Training Speed by Up to 18× with Rec‑Format I/O

This article analyzes MXNet's lack of native video I/O, compares existing image iterators, introduces a Rec‑format based video iterator, and demonstrates through single‑GPU and multi‑GPU experiments that the new approach can accelerate training by up to eighteen times.