Release 18.08

NVIDIA Optimized Frameworks (Latest Release) Download PDF

The container image of NVIDIA Optimized Deep Learning Framework, powered by Apache MXNet, release 18.08, is available.

Contents of the Optimized Deep Learning Framework container

This container image contains the complete source of the version of NVIDIA Optimized Deep Learning Framework, powered by Apache MXNet in /opt/mxnet. It is pre-built and installed to the Python path. The container also includes the following:

Driver Requirements

Release 18.08 is based on CUDA 9, which requires NVIDIA Driver release 384.xx.

Key Features and Enhancements

This Optimized Deep Learning Framework release includes the following key features and enhancements.

  • NVIDIA Optimized Deep Learning Framework, powered by Apache MXNet container image version 18.08 is based on 1.2.0, with all upstream changes from the Apache MXNet main branch up to and including PR 11545.
  • Latest version of cuDNN 7.2.1.
  • Latest version of DALI 0.1.2 Beta.
  • New demonstrator of increased mixed-precision ResNet-50 training speeds on Volta when processed end-to-end in the NHWC data layout. We are working to PR the code improvements to upstream Apache MXNet. To evaluate in the meantime, type /opt/mxnet/examples/image_classification/train_imagenet_runner --batch-size N . Substitute 256 for N on systems with GPUs having 32GB global memory (or 192 with 16GB GPUs) and prepare the imagenet database as directed in nvidia-examples/imagenet_preparations. Training images should be pre-resized to 480px shorter side and validation should be pre-resized to 256px shorter side. The script expects RecordIO files to be present in the /data/imagenet/train-480-val-256-recordio/ directory.
  • Ubuntu 16.04 with July 2018 updates


Starting with the next major version of the CUDA release, we will no longer provide updated Python 2 containers and will only update Python 3 containers.

Known Issues

The multi-threaded nature of Apache MXNet model execution may result in a variable maximum usage of GPU global memory. Users that experience sporadic out-of-GPU-memory errors should experiment with setting the environment variable MXNET_GPU_WORKER_NTHREADS=1 as a possible remedy. We anticipate the need for this experimentation will be removed in a subsequent release.

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