Criando aplicacoes vba para excel hpc

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Accelerating Excel® 2010 with Windows® HPC Server 2008 R2: Building VBA Applications and Workbooks for a Windows® HPC Cluster

Published: July 2010
By: Duncan Werner, Managing Member, Structured Data LLC



Abstract
HPC Services for Excel supports a variety of new programming models that allow you to run Excel calculations on an HPC cluster. In this article we’ll discuss how to useExcel VBA macros to build workbooks that utilize an HPC cluster to run calculations in parallel. To support HPC Services for Excel, your workbook needs to include a set of macros that implement the asynchronous functions. This article describes the macro framework and how to define calculations within the framework. This article includes an example of how to build a workbook from scratch, and anexample of converting an existing workbook to run on a cluster.

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Contents
Introduction 4
Intended Audience 4
Download Files 5
Structure and Formatting 5
Overview 5
Asynchronous Calculation 6
Iterative Calculation and Parallel Calculation 7
The MacroFramework 8
Building Cluster-Enabled Workbooks with Excel 2010 and HPC Services for Excel 10
Before You Start: Prerequisites and Requirements 10
On the cluster 10
On the desktop 12
Summary 13
Part I: Building a workbook from scratch 13
Starting a new workbook 14
Preparing the workbook 14
Defining the calculations in the macro framework 17
Running the workbook locally and exploring themacros 19
Adding a button that runs the workbook locally 19
Modifying the HPC_Excecute and the HPC_Merge macros 20
Modifying the HPC_Initialize macro 22
Running the workbook on the cluster 22
What happens when a workbook runs on the cluster 25
Communicating calculation progress 26
Part 2: Converting a “desktop” workbook to run on the HPC cluster 30
Analyzing the workbook 30
Preparing the...
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