This document is relevant for: Inf1, Inf2, Trn1, Trn2

AWS Neuron SDK 2.25.0: Neuron Compiler release notes#

Date of release: July 31, 2025

Announcements#

The Neuron Compiler default for the --auto-cast option will change from --auto-cast=matmult to --auto-cast=none in a future release.

Behavioral changes#

Behavioral changes are small, user-facing changes that you may notice after upgrading to this version.

  • Minor bug fixes and performance enhancements for both the trn1 and trn2 platforms.

Known issues#

  • The Llama3 70B test has a compile time increase of 16% and 18%, for 16 and 32 nodes respectively. We are investigating the cause of this increase and will provide an update in the future.

This document is relevant for: Inf1, Inf2, Trn1, Trn2