from synthetic data to the holy grail of ai€¦ · sensor time series analysis failure prediction...
TRANSCRIPT
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From synthetic data to the holy grail of AIGENERATIVE MODELS
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ABOUT ME
- Solution Architect @ NVIDIA - Supporting delivery of AI / Deep Learning solutions
- 10 years experience working on HPC (high performance computing) systems, signal processing, and Machine Learning
- My past experience:
- Northrop Grumman – Systems Engineer
- Exxon Mobil – HPC Programmer
Aleksandr Volkov – [email protected]
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WHY DO NEURAL NETWORKS WORK?
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NEURAL NETWORKS ARE NOT NEWAnd are disapintingly simple as an algorithm
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SUPERVISED LEARNING
y= f(x)
Approximating complex functions
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SMALL NEURAL NETWORKSUnderperform
Data
Perfo
rman
ce
20101990 2000
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WHY?
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DATA
Data
Perfo
rman
ce
20101990 2000 2017 2020
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COMPUTEHistorically we never had large datasets or compute
1980 1990 2000 2010 2020
102
103
104
105
106
107
Single-threaded perf
1.5X per year
1.1X per yearTransistors(thousands)
GPU-Computing perf1.5X per year 1000X
By 2025
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PERSPECTIVE
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CONTEXT1.759 petaFLOPs in November 2009
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CONTEXT2 petaFLOPs - today
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CONTEXT TODAY200 petaFLOPs in November 2018
Achitecture:
9,216 POWER9 22-core CPUs
27,648 Nvidia Tesla V100 GPUs
Approaching 3.3 exaopsusing mixed precision
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2016 – Baidu Deep Speech 2Superhuman Voice Recognition
2015 – Microsoft ResNetSuperhuman Image Recognition
2017 – Google Neural Machine TranslationNear Human Language Translation
100 ExaFLOPS8700 Million Parameters
20 ExaFLOPS300 Million Parameters
7 ExaFLOPS60 Million Parameters
To Tackle Increasingly Complex ChallengesNEURAL NETWORK COMPLEXITY IS EXPLODING
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100 EXAFLOPS=
2 YEARS ON A DUAL CPU SERVER
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NEURAL NETWORKS ARE NOT NEWRequire abundance of data and compute
Data
Perfo
rman
ce
20101990 20172000 2020
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EXPLODING DATASETS
Hestness, J., Narang, S., Ardalani, N., Diamos, G., Jun, H., Kianinejad, H., ... & Zhou, Y. (2017). Deep Learning Scaling is Predictable, Empirically. arXiv preprint arXiv:1712.00409.
Logarithmic relationship between the dataset size and accuracy• Translation
• Language Models
• Character Language Models
• Image Classification
• Attention Speech Models
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EXPLODING DATASETS
Hestness, J., Narang, S., Ardalani, N., Diamos, G., Jun, H., Kianinejad, H., ... & Zhou, Y. (2017). Deep Learning Scaling is Predictable, Empirically. arXiv preprint arXiv:1712.00409.
Logarithmic relationship between the dataset size and accuracy
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MAKING COMPLEX PROBLEMS EASY
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TRANSFORMING IMPOSSIBLE INTO EXPENSIVE
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SUPERVISED LEARNING
y= f(x)
Approximating complex functions
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HUGE OPPORTUNITY
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HUGE CHALLENGE
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EXPLODING DATASETS
Hestness, J., Narang, S., Ardalani, N., Diamos, G., Jun, H., Kianinejad, H., ... & Zhou, Y. (2017). Deep Learning Scaling is Predictable, Empirically. arXiv preprint arXiv:1712.00409.
Logarithmic relationship between the dataset size and accuracy
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A BETTER WAY
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GENERATIVE MODELS
y= f(x)
Reformulating the problem
Training setGenerate new data with the same statistics
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WE NO LONGER TRAIN OUR MODEL TO SOLVE A NARROW TASK
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WE TRAIN IT TO LEARN A PHENOMENON (ITS PROBABILITY DISTRIBUTION)
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TEACHING MACHINES HOW TO COMPOSE HUMAN LANGUAGE
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UNDERSTANDING LANGUAGEGenerating text
Transformer LM – 100M Parameters
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UNDERSTANDING LANGUAGEGenerating text
Transformer LM – 5B Parameters
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“Due to concerns about large language models being used to generate deceptive, biased, or abusive language at scale, we are only releasing a much smaller version of GPT-2 along with sampling code. We are not releasing the dataset, training code, or GPT-2 model weights.”
“Better Language Models and Their Implications”, OpenAI
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TEACHING MACHINES HOW TO COMPOSE MUSIC
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UNDERSTANDING BEAUTYComposing music
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TEACHING MACHINES HOW TO GENERATE CODE
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UNDERSTANDING CODEGenerating computer code
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TEACHING MACHINES HOW TO GENERATE OTHER FORMS OF HUMAN LANGUAGE
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UNDERSTANDING DESIGN2D drawings to 3D sketches
Yao, Jiaxian, et al. "Interactive Design and Stability Analysis of Decorative Joinery for Furniture." ACM Transactions on Graphics (TOG) 36.2 (2017): 20.
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UNDERSTANDING DESIGNModels from specification
Autodesk research
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TEACHING MACHINES HOW TO SPEAK
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TEACHINGS MACHINES HOW TO SING
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UNDERSTANDING BEAUTYPerforming music
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UNDERSTANDING BEAUTYPerforming music
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TEACHINGS MACHINES ABOUT HUMANS
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UNDERSTANDING IMAGENeural Network is computing most likely value of pixels
Sønderby, Casper Kaae, et al. "Amortised map inference for image super-resolution." arXiv preprint arXiv:1610.04490 (2016).
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UNDERSTANDING THE SHAPE OF A FACEFrom a single image
Saito, Shunsuke, et al. "Photorealistic Facial Texture Inference Using Deep Neural Networks." arXiv preprint arXiv:1612.00523 (2016).
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UNDERSTANDING A CONCEPT OF A FACEGeneration
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ANIMATING A FACEAnd more
Karras, Tero, et al. "Audio-driven facial animation by joint end-to-end learning of pose and emotion." ACM Transactions on Graphics (TOG) 36.4 (2017): 94.
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ANIMATING A FACETeaching the network to animate facial expressions
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TEACHING MACHINES ABOUT MOTION
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CHARACTER ANIMATIONTeaching the network to animate movement
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CHARACTER ANIMATIONTeaching the network to animate movement
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TEACHINGS MACHINES ABOUT THE VISUAL WORLD
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UNDERSTANDING IMAGETeaching the network the physics of the world
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UNDERSTANDING IMAGE QUALITY
http://people.ee.ethz.ch/~ihnatova/
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UNDERSTANDING THE VISUAL PROPERTIES OF THE WORLD
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UNDERSTANDING THE VISUAL PROPERTIES OF THE WORLD
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UNDERSTANDING IMAGE GENERAL PROPERTIES
How should the image look like from a different angle
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TEACHING MACHINES ABOUT STYLE AND BEAUTY
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SEMANTIC STYLE TRANSFERUnderstanding common semantic part of the image
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GENERATING IMAGES FROM DESCRIPTION
Reed, Scott, et al. "Parallel Multiscale Autoregressive Density Estimation." arXiv preprint arXiv:1703.03664 (2017).
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NOT JUST THEORETICAL RESEARCHNvidia GameWorks
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TEACHINGS MACHINES ABOUT THE PHYSICAL WORLD
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AI – THE NEW INSTRUMENT FOR SCIENCENeed for general purpose compute
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NEURAL NETWORKS FOR SCIENCE
AI-POWERED WEATHER PREDICTION
PLASMA FUSION APPLICATION EARTHQUAKE SIMULATION
7.815.7
125
0
20
40
60
80
100
120
140
V100 TFLOPS
FP64+ MULTI-PRECISION
FP16 Solver3.5x times faster
FP16/FP321.15x ExaOPS
FP16-FP21-FP32-FP6425x times faster
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AI – THE NEW INSTRUMENT FOR SCIENCEFluid dynamics
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TEACHINGS MACHINES ABOUT ECONOMY
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UNDERSTANDING ECONOMICSGenerating stock movement
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• Usually postings or documents that exhibit an unusual or rare attribute values, such as:
• Seldom used user accounts,• Reverse postings, corrections
„Global“ Accounting Anomalies
• Usually postings or documents that exhibit an unusual or rare attribute combination, for example:
• Unusual posting activities• Deviating user behavior
„Local“ Accounting Anomalies#
Feat
ure
2 (e
.g. L
ine-
Item
s)
# Feature 1 (e.g. Amount)
# Fe
atur
e 2
(e.g
. Lin
e-Ite
ms)
# Feature 1 (e.g. Posting Amount)
Understanding BusinessDifferentiating mistakes from fraud
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TEACHINGS MACHINES ABOUT MACHINES
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PREDICTIVE MAINTENANCEFIELD INSPECTIONFACTORY INSPECTION
AI FOR INDUSTRIAL APPLICATIONS
Quality InspectionFault Detection & Classification
Inventory Inspection
Condition Based MaintenanceRemaining Useful Life
Sensor Time Series AnalysisFailure Prediction
Wide range of applications