# Torch Release 18.02

Torch Release 18.02 (PDF)

The NVIDIA container image of Torch, release 18.02, is available.

Torch container image version 18.02 is based on Torch7.

## Contents of Torch

This container image contains the complete source of the version of NVIDIA Torch in /opt/torch. It is pre-built and installed into the /usr/local/[bin,share,lib] directories in the container image.

The NVIDIA® Collective Communications Library ™ (NCCL) (NCCL) library and Torch bindings for NCCL are installed in this container, and models using DataParallelTable can easily leverage this library for fast parallel training. The container also includes the following:

## Driver Requirements

Release 18.02 is based on CUDA 9, which requires NVIDIA Driver release 384.xx.

## Key Features and Enhancements

This Torch release includes the following key features and enhancements.

• Incorporated all upstream changes.
Note:

Note: We will no longer incorporate upstream changes after the 18.02 release due to the lack of upstream activity.

cuBLAS 9.0.282 regresses RNN seq2seq FP16 performance for a small subset of input sizes. This issue should be fixed in the next update. As a workaround, install cuBLAS 9.0.234 Patch 1 by issuing the dpkg -i /opt/cuda-cublas-9-0_9.0.234-1_amd64.deb command.