Name: Thematic CERN School of Computing 2020
Start: 2020-06-07T11:00:00+02:00
End: 2020-06-13T11:00:00+02:00
Location: Split, Croatia

Thematic CERN School of Computing 2020

from Sunday, June 7, 2020 (11:00 AM) to Saturday, June 13, 2020 (11:00 AM)

Sunday, June 7, 2020

11:00 AM Registration
Registration
11:00 AM - 12:45 PM

1:00 PM Lunch
Lunch
1:00 PM - 1:45 PM

2:00 PM Registration / Coffee break
Registration / Coffee break
2:00 PM - 3:30 PM
3:30 PM Opening Ceremony - Sebastian Lopienski (CERN) Frederic Hemmer (CERN) Ivica Puljak (University of Split, FESB)
Opening Ceremony
- Sebastian Lopienski (CERN)
- Frederic Hemmer (CERN)
- Ivica Puljak (University of Split, FESB)
3:30 PM - 5:00 PM
5:30 PM Introduction to efficient computing - Andrzej Nowak
Introduction to efficient computing
- Andrzej Nowak
5:30 PM - 6:30 PM
Technologies and Platforms - lecture 1 - The evolution of computing hardware and what it means in practice - The seven dimensions of performance - Controlling and benchmarking your computer and software - Software that scales with the hardware - Advanced performance tuning in hardware
6:30 PM Writing parallel software - Sebastien Ponce
Writing parallel software
- Sebastien Ponce
6:30 PM - 7:30 PM
Parallel and Optimised Scientific Software - lecture 1 - Amdahl's and Gustafson's laws - Asynchronous execution - Finding concurrency, task vs. data parallelism - Using threading in C++ and Python, comparison with multi-process - Resource protection and thread safety - Locks, thread local storage, atomic operations
8:00 PM Outside Welcome Dinner
Outside Welcome Dinner
8:00 PM - 9:45 PM
Monday, June 8, 2020

10:00 AM Announcements
Announcements
10:00 AM - 10:15 AM
10:15 AM Hardware evolution and heterogeneity - Andrzej Nowak
Hardware evolution and heterogeneity
- Andrzej Nowak
10:15 AM - 11:15 AM
Technologies and Platforms - lecture 2 - Accelerators, co-processors, heterogeneity - Memory architectures, hardware caching and NUMA - Compute devices: CPU, GPU, FPGA, ASIC etc. - The role of compilers
11:15 AM Coffee
Coffee
11:15 AM - 11:45 AM
11:45 AM Modern programming languages for HEP - Sebastien Ponce
Modern programming languages for HEP
- Sebastien Ponce
11:45 AM - 12:45 PM
Parallel and Optimised Scientific Software - lecture 2 - Why Python and C++ ? - Recent evolutions: C++ 11/14/17 - Modern features of C++ related to performance - Templating versus inheritance, pros and cons of virtual inheritance - Python 3, and switching from Python 2
1:00 PM Lunch
Lunch
1:00 PM - 1:45 PM

2:00 PM Study time and/or daily sports
Study time and/or daily sports
2:00 PM - 3:45 PM

3:45 PM Coffee
Coffee
3:45 PM - 4:15 PM
4:15 PM Data-oriented design - Andrzej Nowak
Data-oriented design
- Andrzej Nowak
4:15 PM - 5:15 PM
Technologies and Platforms - lecture 3 - Hardware vectorization in detail – theory vs. practice - Software design for vectorization and smooth data flow - How can compilers and other tools help?
5:30 PM Technologies and Platforms - exercise 1 - Andrzej Nowak
Technologies and Platforms - exercise 1
- Andrzej Nowak
5:30 PM - 6:30 PM
6:30 PM Technologies and Platforms - exercise 2 - Andrzej Nowak
Technologies and Platforms - exercise 2
- Andrzej Nowak
6:30 PM - 7:30 PM
8:00 PM Dinner at MEDILS
Dinner at MEDILS
8:00 PM - 9:00 PM
9:00 PM Special evening talk: Future of the Universe and of Humanity - Ivica Puljak (University of Split, FESB)
Special evening talk: Future of the Universe and of Humanity
- Ivica Puljak (University of Split, FESB)
9:00 PM - 10:00 PM
Tuesday, June 9, 2020
9:00 AM Technologies and Platforms - exercise 3 - Andrzej Nowak
Technologies and Platforms - exercise 3
- Andrzej Nowak
9:00 AM - 10:00 AM
10:00 AM Technologies and Platforms - exercise 4 - Andrzej Nowak
Technologies and Platforms - exercise 4
- Andrzej Nowak
10:00 AM - 11:00 AM
11:00 AM Coffee
Coffee
11:00 AM - 11:30 AM

11:30 AM Announcements
Announcements
11:30 AM - 11:45 AM
11:45 AM Scientific computing on heterogeneous architectures - Daniel Campora (Nikhef National institute for subatomic physics (NL))
Scientific computing on heterogeneous architectures
- Daniel Campora (Nikhef National institute for subatomic physics (NL))
11:45 AM - 12:45 PM
Programming for Heterogeneous Architectures - lecture 1 - Introduction to heterogeneous architectures and the performance challenge - From general to specialized: Hardware accelerators and applications - Type of workloads ideal for different accelerators - Trade-offs between multi-core and many-core architectures - Implications of heterogeneous hardware on the design and architecture of scientific software - Embarrassingly parallel scientific applications in HPC and CERN
1:00 PM Lunch
Lunch
1:00 PM - 1:45 PM

2:00 PM Study time and/or daily sports
Study time and/or daily sports
2:00 PM - 3:30 PM

3:30 PM Coffee
Coffee
3:30 PM - 3:45 PM

3:45 PM Official School Photo
Official School Photo
3:45 PM - 4:00 PM

4:00 PM Student presentations
Student presentations
4:00 PM - 5:15 PM
5:30 PM Parallel and Optimised Scientific Software - exercise 3 - Sebastien Ponce
Parallel and Optimised Scientific Software - exercise 3
- Sebastien Ponce
5:30 PM - 6:30 PM
6:30 PM Parallel and Optimised Scientific Software - exercise 4 - Sebastien Ponce
Parallel and Optimised Scientific Software - exercise 4
- Sebastien Ponce
6:30 PM - 7:30 PM
8:00 PM Dinner at MEDILS
Dinner at MEDILS
8:00 PM - 9:00 PM
Wednesday, June 10, 2020
9:00 AM Programming for GPUs - Daniel Campora (Nikhef National institute for subatomic physics (NL))
Programming for GPUs
- Daniel Campora (Nikhef National institute for subatomic physics (NL))
9:00 AM - 10:00 AM
Programming for Heterogeneous Architectures - lecture 2 - From SIMD to SPMD, a programming model transition - Thread and memory organization - Basic building blocks of a GPU program - Debugging and profiling a GPU application
10:00 AM Optimizing existing large codebase - Sebastien Ponce
Optimizing existing large codebase
- Sebastien Ponce
10:00 AM - 11:00 AM
Parallel and Optimised Scientific Software - lecture 3 - Measuring performance, tools and key indicators - Improving memory handling - The nightmare of thread safety - Code modernization and low level optimizations - Data structures for efficient computation in modern C++
11:00 AM Announcements
Announcements
11:00 AM - 11:15 AM

11:15 AM Coffee
Coffee
11:15 AM - 11:45 AM
11:45 AM Parallel cross-architecture programming - Daniel Campora (Nikhef National institute for subatomic physics (NL))
Parallel cross-architecture programming
- Daniel Campora (Nikhef National institute for subatomic physics (NL))
11:45 AM - 12:45 PM
Programming for Heterogeneous Architectures - lecture 3 - Data locality, coalesced memory accesses, tiled data processing - Control flow, synchronization, atomics - Other standards: SYCL, HIP, OpenCL - Middleware libraries and cross-architecture compatibility
1:00 PM Lunch
Lunch
1:00 PM - 1:45 PM

2:00 PM Special sports afternoon
Special sports afternoon
2:00 PM - 7:00 PM

7:00 PM Outside dinner
Outside dinner
7:00 PM - 9:00 PM
Thursday, June 11, 2020
9:00 AM Programming for Heterogeneous Architectures - exercise 1 - Daniel Campora (Nikhef National institute for subatomic physics (NL))
Programming for Heterogeneous Architectures - exercise 1
- Daniel Campora (Nikhef National institute for subatomic physics (NL))
9:00 AM - 10:00 AM
10:00 AM Programming for Heterogeneous Architectures - exercise 2 - Daniel Campora (Nikhef National institute for subatomic physics (NL))
Programming for Heterogeneous Architectures - exercise 2
- Daniel Campora (Nikhef National institute for subatomic physics (NL))
10:00 AM - 11:00 AM
11:00 AM Coffee
Coffee
11:00 AM - 11:30 AM

11:30 AM Announcements
Announcements
11:30 AM - 11:45 AM
11:45 AM Design patterns and best practices - Daniel Campora (Nikhef National institute for subatomic physics (NL))
Design patterns and best practices
- Daniel Campora (Nikhef National institute for subatomic physics (NL))
11:45 AM - 12:45 PM
Programming for Heterogeneous Architectures - lecture 4 - GPU streams, pipelined memory transfers - Good practices: single precision, branchless, avoid register spilling, convert the problem - Reusable parallel design patterns with real-life applications - Under the hood: Warps, masked execution, floating point rounding
1:00 PM Lunch
Lunch
1:00 PM - 1:45 PM

2:00 PM Study time and/or daily sports
Study time and/or daily sports
2:00 PM - 3:45 PM

3:45 PM Coffee
Coffee
3:45 PM - 4:15 PM
4:15 PM Practical vectorization - Sebastien Ponce
Practical vectorization
- Sebastien Ponce
4:15 PM - 5:15 PM
Parallel and Optimised Scientific Software - lecture 4 - Measuring vectorization level - What to expect from vectorization - Preparing code for vectorization - Vectorizing techniques in C++: intrinsics, libraries, autovectorization
5:30 PM Parallel and Optimised Scientific Software - exercise 1 - Sebastien Ponce
Parallel and Optimised Scientific Software - exercise 1
- Sebastien Ponce
5:30 PM - 6:30 PM
Optimisation of an existing, production grade large codebase - exercise 1
6:30 PM Parallel and Optimised Scientific Software - exercise 2 - Sebastien Ponce
Parallel and Optimised Scientific Software - exercise 2
- Sebastien Ponce
6:30 PM - 7:30 PM
Optimisation of an existing, production grade large codebase - exercise 2
8:00 PM Dinner at MEDILS
Dinner at MEDILS
8:00 PM - 9:00 PM
Friday, June 12, 2020
9:00 AM Programming for Heterogeneous Architectures - exercise 3 - Daniel Campora (Nikhef National institute for subatomic physics (NL))
Programming for Heterogeneous Architectures - exercise 3
- Daniel Campora (Nikhef National institute for subatomic physics (NL))
9:00 AM - 10:00 AM
10:00 AM Programming for Heterogeneous Architectures - exercise 4 - Daniel Campora (Nikhef National institute for subatomic physics (NL))
Programming for Heterogeneous Architectures - exercise 4
- Daniel Campora (Nikhef National institute for subatomic physics (NL))
10:00 AM - 11:00 AM
11:00 AM Coffee
Coffee
11:00 AM - 11:30 AM

11:30 AM Announcements
Announcements
11:30 AM - 11:45 AM
11:45 AM Summary and future technologies overview - Andrzej Nowak
Summary and future technologies overview
- Andrzej Nowak
11:45 AM - 12:45 PM
Technologies and Platforms - lecture 4 - Teaching program summary and wrap-up - Next-generation memory technologies and interconnect - Rack-sized data centres and future computing evolution
1:00 PM Lunch
Lunch
1:00 PM - 1:45 PM

2:00 PM Exam
Exam
2:00 PM - 3:00 PM

4:30 PM Coffee
Coffee
4:30 PM - 5:00 PM

5:00 PM Closing Session
Closing Session
5:00 PM - 6:15 PM

6:15 PM Visit to Split
Visit to Split
6:15 PM - 8:00 PM

8:00 PM Outside Closing Dinner
Outside Closing Dinner
8:00 PM - 9:45 PM
Saturday, June 13, 2020

9:00 AM Departure
Departure
9:00 AM - 11:00 AM

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