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Intro to deep learning and PowerAI
Bring more value to your organizationâ€™s data by developing with an entirely new approach to problems: deep learning, machine learning, and artificial intelligence. Unlock hidden potential and patterns in data organically â€” without you having to know the patterns, networks, or be an algorithmic expert. IBM is making deep learning easier and more performant for you with an enterprise software distribution with the most popular open frameworks, in PowerAI.
What is deep learning?
Deep Learning consists of algorithms that permit software to train itself— by exposing multilayered neural networks to vast amounts of data. It is most frequently used to perform tasks like speech and image recognition.
The intelligence in the process sits within the deep learning software frameworks themselves— which develop that neural model of understanding by building weights and connections between many, many data points— often millions in a training data set.
Why use deep learning?
Deep learning thrives when other traditional techniques for solving your problems fail: when you to want derive insightful or complex relationships from vast amounts of data, custom programming is impossible, or on visual or auditory data.
Deep learning does require a larger data set in order to produce results commensurate with machine learning techniques. However, the amount of interpretive work done by data scientists is minimized in deep learning scenarios. Enter IBM PowerAI.
What is IBM PowerAI?
PowerAI is an enterprise software distribution that combines popular open source deep learning frameworks, efficient AI development tools, and accelerated IBMÂ® Power Systemsâ„˘ servers to take your deep learning projects to the next level.
PowerAI includes industry leading open source frameworks and can support up to four nodes as shown in the figure below.
PowerAI Enterprise includes the open frameworks, libraries, and tools built into PowerAI plus the additional components shown in the diagram below. In addition, PowerAI Enterprise can scale from a single node to 100’s of nodes.
Which PowerAI option is right for you?
The PowerAI product line includes three different options:
Open source software well suited to developers and data scientists just getting started with their development efforts and prototypes.
Fully supported suite of deep learning frameworks intended for Enterprises looking to rapidly scale their AI applications.
Fully supported enterprise-grade suite of tools for labeling raw datasets for training, creating, and deploying deep learning-based vision models.
Continue reading for information about each of the different offerings.
Develop with PowerAI
PowerAI is an open source software distribution of popular open source deep learning frameworks, such as, Tensorflow, Keras, and Caffe.
- Deploy in hours, not months, through a binary download of the key open source frameworks
- Available paid support
Performance for faster training times
- Faster training times and incredible cluster scaling efficiency (up to 56X and 95%, demonstrated). Learn more by reading this blog, Scaling TensorFlow and Caffe to 256 GPUs
- Large model support, enabling you to use higher resolution data
- Check out all of the Machine Learning and Deep Learning performance proof-points on IBM Power Systems
Tools for ease of development
- Reduce data preparation time by an order of magnitude, with upcoming tools
- Automated hyper-parameter tuning and optimization to make your models faster and more accurate
PowerAI includes all necessary dependencies and removes the time, effort, and difficulty associated with getting a deep learning environment operational and performing optimally.
Deploy with PowerAI Enterprise
For enterprises looking to rapidly scale their deep-learning applications, PowerAI Enterprise combines the PowerAI features above with additional functionality to optimize and speed up the completion of your training, testing, and validation. PowerAI Enterprise truly shines when you are looking to expand into distributed deep learning with more than four nodes.
Spectrum Conductor, included in PowerAI Enterprise, masters job scheduling across thousands of nodes, improving system performance by 40% when compared to YARN for Spark. This reduces training time and increases the efficiency of your nodes by ensuring youâ€™re using as close to 100% of your node capacity as possible.
Analyze images and video with PowerAI Vision
PowerAI Vision provides tools and interfaces for business analysts, subject matter experts, and developers without any skills in deep learning technologies to begin using deep learning. This enterprise-grade software provides a complete ecosystem to label raw data sets for training, creating, and deploying deep learning-based models. It can help train highly accurate models to classify images and detect objects in images and videos.
The tools assist users to focus on rapidly identifying datasets and labeling them. They can then train and validate a model in a GUI interface to build customized solutions for image classification and object detection. PowerAI Vision is available as an add-on to PowerAI Enterprise.
PowerAI and PowerAI Enterprise include the following technology previews:
Distributed Deep Learning in PyTorch
PowerAI Release 1.5.3 includes a technology preview of PyTorch with Distributed Deep Learning (DDL) for faster model training across a cluster
PowerAI Enterprise uses DDL to simplify the process of training deep learning models across a cluster for faster time to results. DDL brings intelligence about the structure and layout of the underlying cluster (topology), which includes intelligence about the location of the clusterâ€™s different compute resources such as Graphical Processing Units (GPUs) and CPUs. The DDL capability is incorporated into the Deep Learning frameworks as an integrated binary, reducing complexity for clients as they bring in high-performance cluster capability. Because of this, PowerAI with DDL can scale jobs across large numbers of cluster resources with very little loss to communication overhead.
See “Getting started MLDL frameworks” topic in the IBM Knowledge Center for more information.
Snap ML on Spark (snap-ml-spark)
snap-ml-spark provides GPU accelerated classical machine learning functions into Apache Spark through pyspark.
Similar to snap-ml-mpi, the snap-ml-spark package offers distributed training of models across a cluster of machines. The library is exposed to the user via a spark.ml-like interface and can seamlessly be integrated into existing pySpark applications. For information about snap-ml-spark, see /opt/DL/snap-ml-spark/doc/README.md
Find information about getting started with SNAP ML in the IBM Knowledge Center
For more information about Snap ML and the IBM Research team that developed it, go here: https://www.zurich.ibm.com/snapml/
TensorFlow Large Model Support (TFLMS)
TFLMS is a Python graph editing library for Large Model Support (LMS) in TensorFlow that provides an approach to training large models, data, and batch sizes that cannot normally be fit in to GPU memory. It takes a computational graph defined by users, and automatically adds swap-in and swap-out nodes for transferring tensors from GPUs to the host and vice versa. During training and inferencing this makes the graph execution operate like operating system memory paging. The system memory is effectively treated as a paging cache for the GPU memory and tensors are swapped back and forth between the GPU memory and CPU memory.
For more information:
- See the TFLMS README on GitHub: https://github.com/tungld/tensorflow/blob/3b39b5ecd69bebb1e9222c2292a57c5532931ade/tensorflow/contrib/lms/README.md
- Read this blog, TensorFlow Large Model Support Case Study with 3D Image Segmentation
PowerAI helps you get started faster with your deep learning development. Here are some tips for using PowerAI to add deep learning and AI to your application.
Ready your tools
Follow these simple steps to get your PowerAI-based application development started.
PowerAI deploys on a system far more rapidly than manual installation of frameworks. Start with:
- Red Hat Enterprise Linux (RHEL) 7.5
- NVIDIA CUDA SDK
- NVIDIA GPU Driver for Linux
The PowerAI binaries are available as RPM packages and run on IBM Power Systems S822LC and AC922. See the PowerAI release notes for more information.
Test your frameworks
Once youâ€™ve deployed PowerAI, you can test each of the Deep Learning training frameworks. Each framework included in PowerAI is unique and selecting a preferred framework for your application is important.
The integrated installer for PowerAI means you have everything installed and performant, so you can rapidly try examples in each and select suited to your preferences.
Devise your approach and start training
Collecting great input data to train on is critical to your modelâ€™s success. Donâ€™t neglect existing data inside your organization or consider training on external datasets. Your data can be visual, audio, text, or beyond.
Packages like TensorFlow in PowerAI incorporate tools to help make your training network design even easier.
Ideas to get you started
Here are some recommendations for how to add deep learning to your applications.
- Layer Deep Learning atop your existing data-store
Tease out value from your existing data by applying deep learning as a technique for advanced analysis.
- Reshape or augment an existing business process
Augment human insight or manual labor with machine intelligence. Use deep learning to train a visual or audio recognition system that helps guide decisions.
- Apply deep learning before HPC simulation
Improve the quality of your HPC simulation runs by using deep learning to identify which kinds of simulations to run or run first. Then run those high-likelihood simulations with greater precision.
- Apply deep learning after HPC simulation
Drowning in data after your HPC simulations run? Sift through existing unstructured data or vast outputs of a simulation with Deep Learning and gain new insights rapidly.
If you’re already working on other hardware…
- Use PowerAI to get started faster, with all of the performance benefits of IBM Power
- Use PowerAI to compare frameworks
Take a free test drive on PowerAI
Experience the performance, capability, and ease-of-use of PowerAI in the cloud
- Run your own code or try one of the pre-packaged popular frameworks such as Caffe or TensorFlow. Find information about all of the components in PowerAI here: https://developer.ibm.com/linuxonpower/deep-learning-powerai/releases/.
- Frameworks are available built, installed, and configured ready to use immediately.
- If you don’t have an application but simply want to experience compelling industry use cases, the trial includes several code patterns to try out as Jupyter notebooks.
- No set up required. Your free trial comes with a container pre-configured with the necessary frameworks and libraries.
Register now for your free 24-hour trial
Education and tech resources
Courses and learning paths
Data science and cognitive computing courses
Build your Deep Learning skills, for free, with this learning path from cognitiveclass.ai.
Deep Learning Fundamentals
A great introduction to deep learning concepts, the different kinds of neural networks, and a non-exhaustive catalog of some of the critical frameworks.
Deep Learning with TensorFlow
Begin to practice Deep Learning by learning how to operate with TensorFlow, a key framework included in PowerAI from our collaborators at Google.
Accelerating Deep Learning with GPU
This course allows you to discover for yourself the value of the POWER architecture and GPU for Deep Learning workloads. Through hands on exercises, the advantage of POWER + GPU becomes obvious.
- Deep Learning Fundamentals
Deep Learning at Udacity
Udacity offers the world’s most popular courses on Deep Learning. Longer form, but with deep educational rewards, this is the place to invest in your deep learning skills. Then, return to apply these skills with PowerAI.
Deep Learning, by Google
Worldwide experts at Google and the Google Brain project deliver this well-structured long-term course. With a particular emphasis on TensorFlow, you’ll learn skills and complete a multitude of assignments that are similar to real-world problems.
Self-Driving Car Nanodegree Program
NVIDIA has partnered with Udacity to offer world-class curriculum, expert instructors, and exclusive hiring opportunities in this self-driving car program.
- Deep Learning, by Google
- NVIDIA Deep Learning Institute (DLI)
DLI offers hands-on training for developers, data scientists, and researchers looking to solve challenging problems with deep learning. Learn techniques for designing, training, and deploying neural networks for your domain. Explore common open source frameworks and NVIDIAâ€™s latest GPU-accelerated deep learning platforms. Get Started with DLI labs
- Deep Learning in practice
Applications and use cases for AI
Install TensorFlow on Power systems
This tutorial will demonstrate installation of TensorFlow master code on a Power8 server with Ubuntu 16.04, Python 3.5 and NVIDIA CUDA support.
Install NVIDIA CUDA and cuDNN on Power systems
This tutorial explains how to verify whether the NVIDIA toolkit has been installed previously in an environment. It also provides instructions on how to install NVIDIA CUDA on a POWER architecture server.
Containerize PowerAI with nvidia-docker
Learn how to build and run Dockerized deep learning analytics using PowerAI libraries on an IBM Power System S822 for High Performance Computing (â€śMinskyâ€ť) system with GPUs.
NVIDIA Blog: AI
See the real world application of AI throughout industry, academia, and other domains.
Bringing the Deep Learning Revolution into the Enterprise (IBM Edge)
Learn from IBM’s Chief Engineer for Deep Learning about how it can apply to your problems.
Weekly NVIDIA AI Podcast
Get your weekly dose of the latest in AI through this podcast that you can listen to on the go.
- Install TensorFlow on Power systems
PowerAI in action
- IBM PowerAI: Deep Learning Unleashed on IBM Power Systems Servers (IBM Redbook)
- Machine Learning/Deep Learning performance on IBM Power Systems
- Tracking the Millennium Falcon with Tensorflow
Learn about using PowerAI + Watson to track the Millenium Falcon
- Bringing the Power of Deep Learning to More Data Scientists
Unlock new analytical insights with PowerAI enterprise software distribution and the Data Science Experience.
- IBM PowerAI: Deep Learning Unleashed on IBM Power Systems Servers
This IBM Redbooks publication provides an introduction to working with data and creating models with IBM PowerAI and its components.
- Machine Learning/Deep Learning performance on IBM Power Systems
IBM Power Systems deliver superior price-performance over x86 competitors. Review all the machine learning/deep learning performance claims and proof points.
- And even more technical resources
PowerAI and deep learning blogs
Read what the experts are saying about deep learning with IBM PowerAI and IBM PowerAI vision.
The 1.5.3 release of PowerAI includes updates to IBM’s Distributed Deep Learning (DDL) framework which facilitate the distribution of Tensorflow Keras training. In this article we will walk through the process of taking an existing Tensorflow Keras model, making the code changes necessary to distribute its training using DDL and using ddlrun to execute the...
Recently PowerAI 1.5.3 released a new version of itâ€™s deep learning software on Docker Hub (https://hub.docker.com/r/ibmcom/powerai/). While running deep learning frameworks (Tensorflow, PyTorch, Caffe, etc) in a containerized environment has a lot of advantages, however, getting nvidia-docker installed and working correctly can be a source of frustration. This is especially evident when trying to work...
Data Scientists surface new and valuable insights from a wide variety of relational, semi-structured and unstructured data sources. This ‘magic’ is accomplished by leveraging the combination of modern accelerated IT Infrastructure along with powerful Machine Learning (ML) and Deep Learning (DL) algorithms. Data Scientists often have advanced academic degrees along with deep skills, ability and...
by Seetharami Seelam, Geert Janssen, and Luis Lastras Introduction Sequence-to-sequence models are used extensively in tasks such as machine translation, speech recognition, caption generation, and text summarization. The training times can be on the order of weeks for these models to achieve reasonable accuracy even on a GPU so it can takes weeks to months...
Horovod is a popular distributed training framework for TensorFlow, Keras, and PyTorch. This blog post explains how to use the efficient PowerAI DDL communication library with Horovod. DDL uses the hierarchical topology of the network to minimize the communication cost. Minimum requirements: IBM PowerAI 1.5.2 (1.5.3 for using Horovod and Python 3) Horovod v0.13.11 Setting...
Do you, or clients you work with, want to build some Data Science and Cognitive Computing skills (for free)? Then please start here! https://cognitiveclass.ai/ We also like the more detailed set of illustrated Machine Learning cheat sheets from Stanford’s CS 229 class: CS 229 – Deep Learning Cheatsheet CS 229 – Supervised Learning Cheatsheet CS...
â€śChainerâ€ť (http://chainer.org) is one of the most important Deep Learning platforms. Chainer is a flexible framework provided as a python library and supports CUDA and multi-GPU capabilities. IBM Power Systems, such as IBM POWER SYSTEM AC922 (https://www.ibm.com/marketplace/power-systems-ac922), are the best choice to run Chainer and other Deep Learning platforms with multi-GPU capability because they are...
Update history: August 6, 2018: Updated TFLMS overhead graph with a more readable version. Updated Figure 1, architecture diagram with a corrected version for POWER9 CPU-memory bus speed. 1. Introduction Deep learning commonly uses GPUs for training neural networks. While this works well, the amount of memory on the GPU limits the size of the...
IBM PowerAI Enterprise includes IBM PowerAI Distributed Deep Learning (DDL). Using DDL tools, you can run TensorFlow and Caffe models on multiple nodes and multiple GPUs. To run DDL tasks, users usually specify one or more hosts and the number of GPUs to be used on each host. In large clusters with multiple users, IBM...
Introduction What if a Doctor had the option to determine, much faster and more precisely, what type of breast tumor they are analysing? Would this help the patient, waiting for confirmation from the histopathologist on their future? Definitely yes. The time that a patient is waiting for this confirmation can be a nightmare â€“ for...
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