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A Nice Optimization Problem From Santa Claus
Kaggle is a site that is most known for hosting machine learning competitions. However, once a year, Kaggle team runs an optimization competition on some problem Santa Claus could face. This year competition is a stochastic optimization problem: we...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


From the IBM Spectrum Control virtual mailbox: Can I get enhanced optimization results for storage tiering and pool balancing? Community Blog
bobby_g
Tags:
control
ibm
spectrum_control
optimization
tiering
spectrum
monitoring
storage
5,002 Views
As a storage administrator, you want to improve your business agility and at the same time reduce your storage costs and meet service levels. You have workloads that vary throughout the workday, by the day of...
from Blog: Storage Management
Modified on by bobby_g


Most Popular Posts Of 2016
I wish you, all my readers, your families, and your friends, all the best for 2017. Your renewed interest made me write 34 entries in 2016. This year I focused mostly on Python and Machine Learning, reflecting my role at IBM as the technical...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


Whatâ€™s in CPLEX Optimization Studio 12.7?
Here is a guest post by my colleague Paul Shaw on the latest release of CPLEX Optimization Studio. That release made some buzz at the latest INFORMS conference because of support for Benders Decomposition. However, Benders decomposition isn't...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


What's New In Machine Learning?
What has changed in Machine Learning in the past 25 years? You may not care about this question. You may even not realize that Machine Learning as a technical and scientific field is older than 25 years. But I do care about this...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


Machine Learning As Prescriptive Analytics
I made a mistake about machine learning. Repeatedly. I said, and I wrote, that machine learning and predictive analytics were almost the same. To be more specific, my view was simple: analytics can be divided in four categories, exemplified below...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


SDK 1.9: Using FDPR and SCA plugins to increase program performance Community Blog
The IBM Software Development Kit for Linux on Power (SDK) provides two related tools, Source Code Advisor (SCA) and the Feedback Directed Program Restructuring tool (FDPR), that implement feedbackdirected, postlink program...
from Blog: News around the Linux on Power Community
Modified on by rdutra


Top Posts For 2015
JeanFrancoisPuget
Tags:
anaytics
docker
data_science
optimization
python
cloud
big_data
machine_learning
8,805 Views
I wish all my readers, their families, and their friends, all the best for 2016. May your dreams come true. I also want to warmly thank you, my readers, for your continued interest. This led me write more entries than ever, with 54 entries in...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


Perception Matters
I lenjoyed reading the following from Dear Mona, Which Is The Fastest CheckOut Lane At The Grocery Store? (You should read it all, as it provides an interesting crash course on queuing theory...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


Analysts Views On Optimization
According to leading analyst firms, the corporate world should invest more in advanced analytics in general, and optimization in particular. Here are few examples. Last week at IBM Insight conference, Forrester's Mike Gualtieri presented with my...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


Solving Sudoku In Python With DOcplex On DOcloud
Sudoku is a great example to introduce prescriptive analytics: it is well known, and it is not trivial to solve manually. I will use docplex Python api to implement a web application that solves Sudoku problems. The code is available in a notebook...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


Flexible tunings on IBM POWER8 for SPSS Modeler Premium Entity Analytics provides 2.5X performance gains Community Blog
Tom Tran  POWER Systems Perf
Tags:
optimization
page
7.1
gains
allocation
e52699
s824
smt8
intel
entity
memory
tuning
power
transactions
analytics
power8
haswell
faster
optimized
performance
throughput
size
aix
systems
ibm
xeon
3,935 Views
Optimizing an application's performance will result in clients saving time and reducing costs by running the workload more efficiently and quicker. This effect is even more profound for applications which are deployed across multiple servers and a...
from Blog: Big Data and Analytics on IBM Power Systems
Modified on by Tom Tran  POWER Systems Perf


How to enable autoSIMD optimization in XL compilers Community Blog
SIMD (Single Instruction Multiple Data) parallelize loops. Other than threadlevel parallelism that runs certain loop iterations in parallel, SIMD takes advantage of vector instructions for processors that support them to execute operations on individual parts...
from Blog: C/C++ Cafe


Optimizing Car (And Cyclist) Speed
What is the optimal way to adjust one's car speed in order to minimize fuel consumption (or CO2 emission) while meeting desired travel time? The answer to that question came to me after I wrote my last blog entry on Predicting Cyclist Speed . In that...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


Predicting Cyclist Speed
I have been the 'data scientist' on the IBM team that helped Dave Haase run the Race Across America (RAAM) this year. This project exemplified quite a few of the classical tips of data science documents in The Inconvenient Truth&n...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


Prescriptive Analytics Is Easier And More Profitable Than Predictive Analytics
When you hear about algorithms these days, chances are that you hear about machine learning or predictive analytics. (Some make a distinction between machine learning and predictive analytics, but the distinction is not material for this post. ...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


Where Is Operations Research In Social Media?
Michael Trick's State of Operations Research Blogging discusses the fact that OR blogging is vanishing while twitter activity around OR is increasing. As an example of the latter, look for #ismp2015 on twitter and...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


RVO V.S. std::move Community Blog
Return Value Optimization Return value optimization, simply RVO, is a compiler optimization technique that allows the compiler to construct the return value of a function at the call site. The technique is also named "elision". C++98/03...
from Blog: C/C++ Cafe
Modified on by Zhao Wu


CPLEX Optimization Studio 12.6.2
We are proud to announce the latest CPLEX release. It will ship in electronic form on June 12 for commercial users. Academic users can get it from the Academic Initiative site . Improvements include: The ability to solve larger problems...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


Analytics For The Perfect Race
Big data analytics proponents keep saying that is can now be used to make better decisions in a whole set of new domains. Here is a great example we have been working on for the past few months. This example also touches topics like Internet...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


A Sudoku Web App Based On DOcloud And Python
In our previous posts ( here and here ) we have shown how to use Python and the DOcloud service for solving any Sudoku puzzle. This was nice but we had to manually modify our Python code each to time we wanted to solve a new grid. We present today...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


Frequency of price changes in your ecommerce site Community Blog
Anbu Ponniah
Tags:
cache
price
websphere_commerce
strategy
dynacache
optimization
index
invalidation
cmc
deployment
search
ecommerce
1 Comment
3,740 Views
The price pressure Twenty first century shopper has so many options. Unless a retailer is a niche player, it is a shopper's world. While retailer has many tricks up their sleeve to bring eyeballs to their ecommerce website, keep them there, convert into a...
from Blog: Commerce Lounge


Solving Optimization Problems On The Cloud With Python
The availability of an api for solving optimization problems via DOcloud is opening new ways to develop an application: you can use the implementation language of your choice. Granted, at the time of writing, we only provide a client api for Java. ...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


Solving The Hardest Sudoku In Python With DOcloud
The more I use Python, the more I like it. Here is yet another example of why. I looked for Sudoku solvers written in Python and found quite a few. I particularly like the one Peter Norvig describes in Solving Every Sudoku Puzz...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


Computing The Longest Tour Across The USA
My previous post Computing The Really Optimal Tour Across The USA On The Cloud With Python generated some interest (like all answer's to Randy Olson's original article ). One reader asked a seemingly simple question that got my...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


Explore what's trending this month with these 3 collaborative Analytics Services Offerings for ECM Community Blog
EdCommunications
Tags:
filenet
ecm
capacity
optimization
health
planning
services
intrastructure
performance
check
3,116 Views
Think proactive... Think Smart 3 Offerings that can enhance the efficiency and stability of your overallenvironment! Explore what's trending this month with these 3 collaborative service offerings... Let us help you evaluate your system's health,...
from Blog: IBM Enterprise Content Management Support
Modified on by EdCommunications


Computing The Really Optimal Tour Across The USA On The Cloud With Python
When Randy Olson's Computing the optimal road trip across the U.S. resulted in articles in the Washington Post , NY Daily News , Daily Mail , People Magazine , NY Times , NPR , and many other outlets, the...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


Actionable Insights
JeanFrancoisPuget
Tags:
big_data
analytics
decision
optimization
data_science
4 Comments
11,766 Views
It is good practice to eat your own food. I should be no exception. In my post on the role of data science I was blaming data scientists who left business users without any clue about how to use the insights they produce. I...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


Step By Step Modeling Of PuzzlOr Electrifying Problem
PuzzlOr problems are nice because they are simplified versions of real world problems of interest. Last December problem is a simplified version of an interesting logistics problem. A variety of method can be used to attack them, see for instance...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


Decision makers need decision support
How can you make an optimization application be accepted by decision makers? The answer I gave that in my last post was to provide interactive applications. It so happens that colleagues of mine already discussed that in an IBM book...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


Interactive Optimization
In my last post I discussed how gamification could be used to overcome the resistance to automated decision making systems. The case discussed in my previous post was about a system that computes retail prices for hotel rooms. The point of...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


We must show the pain before we can propose the cure
Part of my job is to inject optimization in IBM Anaytics solutions. During one of the discussions with solution teams we argued about a fairly general issue that can prevent prescriptive analytics adoption. I think it is worth sharing....
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


Optimization Is Ready For Big Data: Part 4, Veracity
Big Data promise is to enable better decisions based on data. The idea seems appealing yet there is a caveat: is the data reliable enough to base decisions on it? Question is to what extent can we trust data? My experience shows that cleaning data...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


Optimization Is Ready For Big Data: Part 3, Variety
A colleague of mine once told me that Big Data should be called "All Data". Indeed, one of the key dimension of Big Data is to apply analytics techniques to all kind of data. Other dimensions include volume and velocity of data. Can...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


Optimization Is Ready For Big Data: Part 2, Velocity
Proponents of Big Data boast about how it might help get personalized behavior from all the things and systems people interact with (web sites, mobile apps, customer support services, internet of things, etc) . These systems have to deal with data in...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


Optimization Is Ready For Big Data: Part 1, Volume
I had the honor to give a tutorial at a Big Data and Optimization seminar, thanks to an invitation from John Poppelaars , One of the topics I discussed seemed to resonate well. Let me try to explain it here. The first thing people think of...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


Trying Decision Optimization on Cloud beta: part 2, CPLEX
In our previous entry we made a demo tour of our Decision Optimization on Cloud service. Let us now start real work with CPLEX. The first step is to get an IBM ID. If you don't have one yet, then you can start here...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


2015 Prediction: Prescriptive Analytics Will Make It
This is prediction season. I never played that game so far, but felt compelled to do so after reading quite a few predictions about what will happen in 2015 around Analytics and Big Data. I won't repeat what seems to be a consensus, and will refer to...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


Analytics For Vehicle Routing (and for Santa)
How could we have helped Santa deliver its gifts as fast as possible? An OR practitioner will probably model Santa's problem as a traveling salesman problem ( TSP ). Indeed Santa needs to compute the shortest route through all kids homes. The...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


Prescriptive vs Predictive Analytics Explained
Imagine for one second that you are Loïc Peyron , the recent winner of the transatlantic yatch race La Route Du Rhum . What would you use to reach your destination as fast as possible? Of course, you would work on...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


Exploiting z/Architecture HGPRs with COBOL Community Blog
Enterprise COBOL V5 provides increased exploitation of the latest z/Architecture processors, as well as new levels of optimization, to improve the performance of z/OS COBOL applications. To that effect, several new compiler options are introduced in V5,...
from Blog: COBOL Cafe
Modified on by Dan_Z


Decision Optimization In The Cloud at INFORMS Annual Meeting
Update on Jan 10, 2015. Decision Optimization on Cloud open beta is now available. I documented step by step on boarding here, but you can also try by yourself here . Trying Decision Optimization on Cloud beta: part 1, Demo Trying Decision Optimization...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


CPLEX 12.6.1 Announce
Update on June 28 2015. A more recent release of CPLEX is now available, namely CPLEX 12.6.2 . We are proud to announce a new release of CPLEX that will be available on December 5 for electronic delivery for paying customers. Date for...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


Optimization in Retail: Bringing Innovation to Users that are Not Early Adopters
Format: Webinar Length: 1 hour Next Session: September 24, 2014 at 07:30 Pacific, 10:30 Eastern, 16:30 CET...
from Blog: IBM Decision Optimization


I Want The Best Solution
Who among optimization practitioners hasn't heard at least one customer saying "I want the best solution" ? I certainly did. When that happens one has to manage expectations because solving real problems to optimality may not be possible in a...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


Convex Optimization
I had the pleasure to be invited to attend the German OR conference last week in Aachen. There were many highlights at this conference beside the great venue and excellent organization led by Marco Lübbecke, see for instance Mike Trick...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


Machine Learning and Optimization
The view that Machine Learning is tightly linked to optimization is becoming common knowledge. There are training courses ( Stephen Boyd's and Steve Wright's ) mixing the two. The Data Smart book by John Foreman...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


Price Optimization
Did you know that the price at which you buy your Coke bottle (pick any brand you'd like here) at your nearest retail store was probably set by a process that involved mathematical optimization? If not, then learn how it was probably done. Let...
from Blog: IT Best Kept Secret Is Optimization
Modified on by JeanFrancoisPuget


Benefits of Huge Pages Community Blog
Introduction If you read my recent post, Backing Your Guests With Huge Pages , you might remember me mentioning that the ability to back your KVM guests with hugepages is on its way to OpenStack. This functionality is planned for the...
from Blog: News around the Linux on Power Community
Modified on by mjturek


Query Optimization class  which one is in effect? explain_from_section tells it ! Community Blog
NishantSinha
Tags:
dft_queryopt
class
db2
plan
query
optimizer
current
explain_from_section
explain
compiler
section
access
optimization
2,982 Views
A query optimization class is a set of query rewrite rules and optimization techniques for compiling queries. It is one of the most important determinants in the evaluation and selection of an access plan for a particular query. DB2 provides multiple ways to...
from Blog: DB2 Problem Troubleshooting and Tips
