skill-tree:pe:2:3:b
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skill-tree:pe:2:3:b [2020/07/19 22:58] – lucy | skill-tree:pe:2:3:b [2020/07/22 19:13] (current) – lucy | ||
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# PE2.3-B I/O Performance | # PE2.3-B I/O Performance | ||
# Background | # Background | ||
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+ | There are several aspects involved in delivering high I/O performance to parallel applications, | ||
Running the same application with different I/O configurations gives the possibility to tune the I/O system according to the application access pattern. | Running the same application with different I/O configurations gives the possibility to tune the I/O system according to the application access pattern. | ||
- | One way to predict application performance in HPC systems with different I/O configurations is using modelling and simulation techniques. | + | One way to predict application performance in HPC systems with different I/O configurations is by using modelling and simulation techniques. |
Modeling the system allows assessing obtained performance and therewith estimate the performance potentially gained by optimizations. | Modeling the system allows assessing obtained performance and therewith estimate the performance potentially gained by optimizations. | ||
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- | There are several aspects involved in delivering high I/O performance to parallel applications, | ||
File systems are implemented in the operating system which deploys strategies to improve performance such as scheduling, caching and aggregation. | File systems are implemented in the operating system which deploys strategies to improve performance such as scheduling, caching and aggregation. |
skill-tree/pe/2/3/b.1595192311.txt.gz · Last modified: 2020/07/19 22:58 by lucy