IBM Systems magazine, Power Systems December 2020 - 28

TECHBITS

IBM Bayesian Optimization Accelerator Speeds
up HPC-Based Product Design Simulations
By Jim Utsler
lthough high-performance
computing (HPC) has
allowed product design simulations to run much more quickly
than they had before, these simulations can still take days and sometimes weeks to complete, resulting
in delays to actionable insight. This
is due in part to increased system
complexity and the need for additional fidelity, which have caused
the number of design simulations
to grow exponentially for each
product generation, whether a car,
an airplane, a computer chip or a
potential new drug.
Because traditional approaches to HPC-based design and simulation no longer provide insight at
speeds organizations demand (to
increase their competitiveness,
lessen their time to market, improve product quality and lower
costs), new approaches to the
HPC design environment have to
be considered. One potential way
to address this is to bring AI and
HPC together.

A

Complex Systems
Bayesian optimization is one such
intelligent simulation solution

for HPC-based design, which is
inherently a search for optimal
combinations of values for parameters that define the object being
designed. When applied to a design workflow, it can reduce design
time exponentially.
For example, it lessened the
number of simulations during a
silicon-chip design process by 99%
(from approximately 5,600 to 45).
It's also had similar success in the
pharmaceutical industry, locating
maximally potent drug candidates
40 times faster than traditional
search techniques, such as grid
search, random search and gradient descent search.
" The reason Bayesian statistics
is so compelling is that I can take
something I don't know, collect data
about it and get to an arbitrary level
of accuracy for my prediction in
the fastest manner possible. This is
especially important when you're
dealing with complex systems, "
Christopher Porter, offering manager of Converged HPC and AI, IBM,
says. " If I'm trying to design a car to
be maximally safe, for instance, I'm
going to want to measure the occupant acceleration during various

types of collisions. This requires
a huge amount of simulation time
spread across hundreds or thousands of individual simulations.
But if I can design that car with
the minimum number of needed
simulations, I'll get to my answers
much sooner. "

Dedicated and Optimized
One problem with Bayesian statistics, however, is that standard
formulations for running it grow
computationally at a magnitude of
four with the number of parameters. With today's computers, this
means roughly a dozen or fewer
parameters will run without a
problem, but hundreds of parameters could take 10,000x longer
or more, which and eventually,
the optimization calculations will
take longer than the simulations
running with other methods,
which isn't at all useful.
To address this, IBM has developed the GPU-based IBM Bayesian
Optimization Accelerator (BOA)
appliance, which runs adjacent to
any HPC environment where, for
example, an automaker's crash
simulations are running. It allows

28 | DECEMBER 2020 IBMSYSTEMSMAG.COM

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IBM Systems magazine, Power Systems December 2020

Table of Contents for the Digital Edition of IBM Systems magazine, Power Systems December 2020

From the Editor: Technology and media landscape changes
Welcome: Trend versus transformation
IBM Perspective: Automation and interoperability in the cloud
Currents: IBM Business Partners lead innovation
Features: IT Infrastructure From All Angles: Steve Sibley, Eric Herzog and Bruce Anthony discuss how IBM infrastructure, storage and hybrid cloud solutions offer cohesive solutions to meet your business needs
Features: Sitting Comfortably: Belgian furniture design house JORI looks to the future by investing in data and analysis
Partner Perspectives: The IBM i roadmap to 2032 and beyond helps ensure the future of the platform
Techbits: IBM Bayesian Optimization Accelerator speeds up HPC-based product design simulations
Techbits: AIX security, IBM i technology refresh announcement highlights
Snapshot: Mark S. Rinehart
IBM Systems magazine, Power Systems December 2020 - Intro
IBM Systems magazine, Power Systems December 2020 - Cover1
IBM Systems magazine, Power Systems December 2020 - Cover2
IBM Systems magazine, Power Systems December 2020 - 1
IBM Systems magazine, Power Systems December 2020 - 2
IBM Systems magazine, Power Systems December 2020 - 3
IBM Systems magazine, Power Systems December 2020 - From the Editor: Technology and media landscape changes
IBM Systems magazine, Power Systems December 2020 - Welcome: Trend versus transformation
IBM Systems magazine, Power Systems December 2020 - IBM Perspective: Automation and interoperability in the cloud
IBM Systems magazine, Power Systems December 2020 - Currents: IBM Business Partners lead innovation
IBM Systems magazine, Power Systems December 2020 - 8
IBM Systems magazine, Power Systems December 2020 - CT1
IBM Systems magazine, Power Systems December 2020 - CT2
IBM Systems magazine, Power Systems December 2020 - 9
IBM Systems magazine, Power Systems December 2020 - Features: IT Infrastructure From All Angles: Steve Sibley, Eric Herzog and Bruce Anthony discuss how IBM infrastructure, storage and hybrid cloud solutions offer cohesive solutions to meet your business needs
IBM Systems magazine, Power Systems December 2020 - 11
IBM Systems magazine, Power Systems December 2020 - 12
IBM Systems magazine, Power Systems December 2020 - 13
IBM Systems magazine, Power Systems December 2020 - 14
IBM Systems magazine, Power Systems December 2020 - 15
IBM Systems magazine, Power Systems December 2020 - 16
IBM Systems magazine, Power Systems December 2020 - 17
IBM Systems magazine, Power Systems December 2020 - Features: Sitting Comfortably: Belgian furniture design house JORI looks to the future by investing in data and analysis
IBM Systems magazine, Power Systems December 2020 - 19
IBM Systems magazine, Power Systems December 2020 - 20
IBM Systems magazine, Power Systems December 2020 - 21
IBM Systems magazine, Power Systems December 2020 - 22
IBM Systems magazine, Power Systems December 2020 - Partner Perspectives: The IBM i roadmap to 2032 and beyond helps ensure the future of the platform
IBM Systems magazine, Power Systems December 2020 - 24
IBM Systems magazine, Power Systems December 2020 - 25
IBM Systems magazine, Power Systems December 2020 - 26
IBM Systems magazine, Power Systems December 2020 - 27
IBM Systems magazine, Power Systems December 2020 - Techbits: IBM Bayesian Optimization Accelerator speeds up HPC-based product design simulations
IBM Systems magazine, Power Systems December 2020 - 29
IBM Systems magazine, Power Systems December 2020 - Techbits: AIX security, IBM i technology refresh announcement highlights
IBM Systems magazine, Power Systems December 2020 - 31
IBM Systems magazine, Power Systems December 2020 - Snapshot: Mark S. Rinehart
IBM Systems magazine, Power Systems December 2020 - Cover3
IBM Systems magazine, Power Systems December 2020 - Cover4
IBM Systems magazine, Power Systems December 2020 - CoverSD1
IBM Systems magazine, Power Systems December 2020 - SD2
IBM Systems magazine, Power Systems December 2020 - SD3
IBM Systems magazine, Power Systems December 2020 - SD4
IBM Systems magazine, Power Systems December 2020 - SD5
IBM Systems magazine, Power Systems December 2020 - 42
IBM Systems magazine, Power Systems December 2020 - 43
IBM Systems magazine, Power Systems December 2020 - 44
IBM Systems magazine, Power Systems December 2020 - 45
IBM Systems magazine, Power Systems December 2020 - 46
IBM Systems magazine, Power Systems December 2020 - 47
IBM Systems magazine, Power Systems December 2020 - 48
IBM Systems magazine, Power Systems December 2020 - 49
IBM Systems magazine, Power Systems December 2020 - 50
IBM Systems magazine, Power Systems December 2020 - 51
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IBM Systems magazine, Power Systems December 2020 - 53
IBM Systems magazine, Power Systems December 2020 - 54
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IBM Systems magazine, Power Systems December 2020 - 57
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IBM Systems magazine, Power Systems December 2020 - 60
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IBM Systems magazine, Power Systems December 2020 - 63
IBM Systems magazine, Power Systems December 2020 - 64
IBM Systems magazine, Power Systems December 2020 - 65
IBM Systems magazine, Power Systems December 2020 - 66
IBM Systems magazine, Power Systems December 2020 - 67
IBM Systems magazine, Power Systems December 2020 - 68
IBM Systems magazine, Power Systems December 2020 - 69
IBM Systems magazine, Power Systems December 2020 - 70
IBM Systems magazine, Power Systems December 2020 - 71
IBM Systems magazine, Power Systems December 2020 - 72
IBM Systems magazine, Power Systems December 2020 - 73
IBM Systems magazine, Power Systems December 2020 - 74
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IBM Systems magazine, Power Systems December 2020 - 77
IBM Systems magazine, Power Systems December 2020 - 78
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IBM Systems magazine, Power Systems December 2020 - 86
IBM Systems magazine, Power Systems December 2020 - Cover3
IBM Systems magazine, Power Systems December 2020 - Cover4
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