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Introduction to the
Scalable I/O Initiative
The Scalable I/O Initiative is a multi-agency, multi-vendor, multi-disciplinary, and multi-site collaboration.
Using the PABLO performance evaluation system, application developers and computer scientists are cooperating to determine the I/O characteristics of a comprehensive set of I/O-intensive applications. These characteristics are guiding the development of parallel I/O features for I/O-related system software components:
 | compilers, |
| runtime libraries, |
| parallel file systems, |
| high-performance network interfaces, and |
| operating system services. |
Proposed new features, built upon results from ongoing research projects sponsored by ARPA, DOE, NASA, and NSF, are evaluated by measuring the I/O performance of full-scale applications using prototype implementations of these features on full-scale massively parallel computer systems.
The Scalable I/O Initiative is a collaborative effort among application developers, computer scientists, and SPP vendors to ensure not only the efficiency, scalability and portability of the resulting techniques and software, but also the adoption of these results by vendors and users.