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Wenming's Big Data and Big Compute Blog
All about running HPC and Big Data workload on the Microsoft Windows Azure platform. I have been and will continue to cover a variety of topics on Hadoop, HPC, Migration from / Interops with Unix, Tips and Tricks for running HPC and Big Data.
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Blog Post:
Data Science in a Box using IPython: Installing IPython notebook (2/4)
HPC Trekker
In the previous blog, we demonstrated how to create a Windows Azure Linux VM in detail . We will continue the installation process for the IPython notebook and related packages. Python 2.7 or 3.3 One of the discussions that happened at the Python in Finance conference is which version of Python you should...
on
9 Apr 2013
Blog Post:
Enter the Big Data Matrix: analyzing meanings and relations of everything (2/2)
HPC Trekker
Running the Python example step by step: We explained the basic idea behind LSA or latent semantic analysis in the first part of this blog . We built a matrix by word counting for each document. The set of document vectors are then sorted by words they appear in. Then we applied SVD (single...
on
7 Apr 2013
Blog Post:
Let there be Windows Azure HDInsight
HPC Trekker
Windows Azure HDInsight Service, formerly known as Hadoop on Windows Azure, is now available inside the Windows Azure Preview portal. Hadoop-based big data tools are what I call the WMD(P), or Weapons of Mass Data Processing. (You heard it here first!) This is a very exciting development, and I would...
on
19 Mar 2013
Blog Post:
Running Weather Research Forecast as a Service on Windows Azure
HPC Trekker
About 9 months ago, I deployed a Weather forecast demo at an internal Microsoft event, Techfest. The demo uses real data from NOAA and predicts high resolution weather forecast up to the next 3 days running a HPC modeling code called WRF . Since then, I’ve received a great deal of interest from...
on
26 Nov 2012
Blog Post:
Hadoop On WindowsAzure Updated
HPC Trekker
HadoopOnAzure allows a user to run Hadoop on Microsoft Windows Azure as a service. It is currently in private CTP with limited capacity, and by invitation only. We did add more capacity today, you may attempt to sign up this free service at https://connect.microsoft.com/SQLServer/Survey/Survey.aspx?SurveyID...
on
22 Aug 2012
Blog Post:
Explicit and Implicit
HPC Trekker
This is the final post of the simple HPC Math series I am composing. The previous two posts were on linear, and nonlinear solvers. Just like nonlinear solvers depend on linear solvers, time stepper solvers will depend on the previous two building blocks. Explicit and Implicit methods are used in numerical...
on
15 May 2008
Blog Post:
5 min Intro to nonlinear solvers
HPC Trekker
Nonlinear solvers are essentially solving a system of nonlinear equations. X^2 + x -1 =0 is a nonlinear equation. As we recall from Calculus 101, to solve these equations, one has to use some variants of Newton’s method because it has fast convergence to the solution property. For systems of nonlinear...
on
15 May 2008
Blog Post:
Math under the hood
HPC Trekker
We recently had a company called Simulia visiting us at a deep dive lab. Their product, Abaqus, a commercial software package for finite element analysis prompted me to quickly brush up on my numerical computation knowledge. After all, you can't compute without numerical methods under the hood! While...
on
13 May 2008
Blog Post:
Problogue
HPC Trekker
Super computing is crucial for science in the 21st century. For a long time people have been theorists or experimentalists, those have worked in synergy to develop scientific theory and explain natural phenomenon. The incredible development of super computer in recent years has enabled theory...
on
3 May 2008
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