IBM Systems magazine, Power Systems December 2020 - 30

TECH BITS
for offloading the design space
exploration and exploitation optimization process from HPC CPUs to
an appliance dedicated to only one
task: optimization.
" The optimization workflow
takes the output of BOA in the
form of a new set of parameter
values, translates those into a new
simulation and sends that back to
the simulation environment (HPC)
to either explore the design space
or evaluate what the optimizer
feels will be a better design, "
Porter notes. " So, the Bayesian
computations takes place on the
BOA appliance, while the model
continues to run in the HPC
environment. "
This set up has several benefits,
including:
*
*
*
*

Cutting costs while increasing
efficiencies
Creating better products and
more refined solutions
Getting product to market
sooner than competitors
Improving effectiveness of the
experimental infrastructure

Improving Output
Porter references the University
of Texas (UT) at Austin and their
work with an oil company that's
alternately pumping super-heated
steam and carbon dioxide into a
well to improve output. To that end,
they wanted to know the timing of
when and at what pressure they
should use those gasses to maximize the amount of oil they got
from a well.
UT professor Mary Wheeler
developed a simulator to calculate
this that was using a non-Bayesian
optimization method. In one simple
example, running this problem
with the built-in optimizer, the UT
team were able to get production of
1.29 x 108 m3 of oil.
" This required 200 simulations, "
Porter remarks. " So, we swapped
in our Bayesian Optimizer for their

built-in optimizer, and in around
70 simulations, almost three times
faster than their 200, we were able
to get better production out of the
well. It wasn't a huge difference,
we got 1.31 x 108, but we got there
three times faster, which was the
big deal. "
Although the Bayesian mathematics are happening in an IBM
Power Systems environment, the
actual simulations can run within
any HPC computing environment,
including IBM Power Systems,
ARM clusters or x86 clusters.
This means that users don't have
to change their simulations or
where they run. They usually
simply change their workflow to
include calls to the optimization
appliance.
" As long as you can run your
simulation in an HPC environment,
we don't care what it's made of or
where it is. It could be in the cloud, "
Porter says. " The important thing is
that we're helping organizations get
to their solutions faster and more
cost effectively than they could
have before. "

'The Fastest Simulation Is
One You Don't Have to Run'
HPCs and BOA make for a formidable combination, creating a
product-design powerhouse that
will result in the development
of crucially important answers
that may not have ever been
predictable without the use of
Bayesian statistical methods on
an optimized system. This allows
users to limit their time looking
for solutions while allowing them
to focus more on defining the
designs much better than they
could using other optimization
methods. Fundamentally, with
BOA added to their HPC, users get
faster and better innovation at
lower costs.
" After all, the fastest simulation
is the one you don't have to run. "
Porter remarks.

AIX Security,
IBM i TR
Annoucement
Highlights
n October, IBM made a series
of announcements covering an
array of products and offerings,
including IBM Power Systems™
hardware enhancements, new AIX®
features and function and the latest
IBM i technology refreshes (TRs).

I

AIX Security and
Availability Updates
Along with security, high availability is emphasized with the AIX
announcements. On that note, support for logical volume (LV) encryption is a huge development.
Part of the AIX 7.2 Technology Level (TL) enhancements, LV
encryption support provides for
efficient encryption/decryption of
data within an LV. While you won't
be able to encrypt rootvg at this
time, you can encrypt other system
LVs. As noted in the announcement,
where available AIX will use onchip cryptographic acceleration, allowing for data-at-rest encryption.
(Learn more: ibm.co/2Tx7dd5.)
PowerHA® SystemMirror 7.2.5
features a Geographic Logial
Volume Manager (GLVM) configuration wizard that's designed to
simplify disaster recovery and
enable clients to configure and
orchestrate multiple parallel GLVM
instances from a source to target.
Assuming you have the bandwidth,
multiple network streams should
improve replication speed, and the
Rob McNelly is a technical
editor for IBM Systems magazine,
Power Systems.

30 | DECEMBER 2020 IBMSYSTEMSMAG.COM

pg 28-31.indd 30

11/12/20 10:38 AM


http://www.ibm.co/2Tx7dd5 http://www.IBMSYSTEMSMAG.COM

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
IBM Systems magazine, Power Systems December 2020 - 52
IBM Systems magazine, Power Systems December 2020 - 53
IBM Systems magazine, Power Systems December 2020 - 54
IBM Systems magazine, Power Systems December 2020 - 55
IBM Systems magazine, Power Systems December 2020 - 56
IBM Systems magazine, Power Systems December 2020 - 57
IBM Systems magazine, Power Systems December 2020 - 58
IBM Systems magazine, Power Systems December 2020 - 59
IBM Systems magazine, Power Systems December 2020 - 60
IBM Systems magazine, Power Systems December 2020 - 61
IBM Systems magazine, Power Systems December 2020 - 62
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
IBM Systems magazine, Power Systems December 2020 - 75
IBM Systems magazine, Power Systems December 2020 - 76
IBM Systems magazine, Power Systems December 2020 - 77
IBM Systems magazine, Power Systems December 2020 - 78
IBM Systems magazine, Power Systems December 2020 - 79
IBM Systems magazine, Power Systems December 2020 - 80
IBM Systems magazine, Power Systems December 2020 - 81
IBM Systems magazine, Power Systems December 2020 - 82
IBM Systems magazine, Power Systems December 2020 - 83
IBM Systems magazine, Power Systems December 2020 - 84
IBM Systems magazine, Power Systems December 2020 - 85
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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