Advanced Optimization and Threading @ CSC
Date: 26 - 28 April 2017
Description
This course will give you the tools and skills needed for writing high performing code for scientific computing. It focuses on techniques that enable you to extract maximum performance from a single node in a modern supercomputer or cluster, which provides the foundation for good performance even for codes running on multiple nodes.
Topics include code optimization for x86 platforms (SIMD vectorization, caches, efficient datamovement) and efficient code parallelization using OpenMP threading. Advanced aspects of threading and optimization, such as new features of OpenMP 4.5, will also be covered during the course.
During the course there is also an opportunity to analyze and optimize your code, and get advice from the lecturers on how to improve the performance in your code.
Learning outcome
Awareness of modern features of x86 CPUs
Ability to vectorize computations
Ability to use advanced features of OpenMP
Ability to increase code performance using OpenMP threading and single core optimization techniques
Prerequisites
Good knowledge of C/C++ or Fortran
Good knowledge of threading using OpenMP
Basic knowledge of modern CPU architectures
Agenda
Day 1: Wednesday, April 26
09.00-09.45 Introduction to performance tuning in HPC
09.45-10.00 Coffee break
10.00-10.45 CPU architecture
10.45-11.45 Performance Analysis methods & VTune Amplifier. Interactive demo.
11.45-12.30 Lunch break
12.30-14.15 Exercises
14.15-14.30 Coffee break
14.30-15.15 Microarchitectural optimization
15.15-16.15 Exercises
16.15-18.00 Opportunity to optimize your own code (optional)
Day 2: Thursday, April 27
09.00-09.45 Optimization for SIMD
09.45-10.00 Coffee break
10.00-11.00 Exercises
11.00-11.30 Optimization for SIMD cont'd
11:30-12:00 Improving SIMD performance using Intel Advisor
12.00-12.45 Lunch break
12.45-14.30 Exercises
14.30-14.45 Coffee break
14:45-15:15 Memory access optimization
15.15-16.00 Exercises
16.00-18.00 Opportunity to optimize your own code (optional)
Day 3: Friday, April 28
09.00-09.45 Memory access optimization cont'd
09.45-10.00 Coffee break
10.00-11.00 Exercises
11.00-12.00 Advanced OpenMP
12.00-12.45 Lunch break
12.45-13.45 Exercises
13:45-14:30 OpenMP performance considerations
14.30-14.45 Coffee break
14.45-16.00 Exercises
Lecturers: Sebastian von Alfthan (CSC), Mikko Byckling (Intel)
Language: English
Price: Free of charge
Event types:
- Workshops and courses
Activity log
