ISC17 Understanding and Improving I/O Performance

This repository contains the slides and exercises for the ISC17 tutorial on understanding and improving I/O performance.

This contains material contributed from a number of authors and organsations, including:

• Adrian Jackson, EPCC,
• Tomislav Šubic, ARCTUR
• Muhammad Sarim Zafar, TU Dresden
• Keeran Barabazon, ARM/Allinea

Timetable

• 09.00 Large scale computing system I/O hardware and software libraries
• 09.45 Systemwide performance and implications
• 11.00 Break
• 11.30 Systemwide data and benchmarking practical
• 12.15 Parallel I/O strategies and libraries
• 13.00 Lunch
• 14.00 Parallel I/O practical
• 15.00 Profiling application I/O
• 16.00 Break
• 16.30 Hands on Profiling
• 17.30 Summary and discussion

Running

• Host name is: login.archer.ac.uk
• To submit use: qsub -R4578901 submissionscript.pbs ** Replace submissionscript.pbs with the sensible script
• Do everything from the work filesystem rather than home, i.e. cd /work/d131/d131/ngioXX