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Chapter 14
HDF Performance Issues
- 14.1 Chapter Overview and Introduction
- 14.2 Examples of HDF Performance Enhancement
- 14.2.1 One Large SDS versus Several Smaller SDSs
- 14.2.2 Sharing Dimensions between Scientific Data Sets
- 14.2.3 Setting the Fill Mode
- 14.2.4 Disabling Fake Dimension Scale Values in Large One-dimensional Scientific Data Sets
- 14.3 Data Chunking
- 14.3.1 What Is Data Chunking?
- 14.3.2 Writing Concerns and Reading Concerns in Chunking
- 14.3.3 Chunking without Compression
- 14.3.4 Chunking with Compression
- 14.3.5 Effect of Chunk Size on Performance
- 14.3.6 Insufficient Chunk Cache Space Can Impair Chunking Performance
- 14.4 Block Size Tuning Issues
- 14.4.1 Tuning Data Descriptor Block Size to Enhance Performance
- 14.4.2 Tuning Linked Block Size to Enhance Performance
- 14.5 Use of the Pablo Instrumentation of HDF
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hdfhelp@ncsa.uiuc.edu
HDF User's Guide - 05/19/99, NCSA HDF
Development Group.