2021-06-21
10:06 |
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Performant programming for GPUs
/ Campora, Daniel (speaker) (University of Maastricht)
Programming for Heterogeneous Architectures - lecture 3
- Data locality, coalesced memory accesses, tiled data processing
- GPU streams, pipelined memory transfers
- Under the hood: branchless, warps, masked execution
- Debugging and profiling a GPU application
2021 - 0:58:03.
Thematic CSC; Thematic CERN School of Computing - spring 2021
External links: Talk details; Event details
In : Thematic CERN School of Computing - spring 2021
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2021-06-17
17:01 |
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Scientific computing on heterogeneous architectures
/ vom Bruch, Dorothea (speaker) (CPPM/CNRS)
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
2021 - 1:04:15.
Thematic CSC; Thematic CERN School of Computing - spring 2021
External links: Talk details; Event details
In : Thematic CERN School of Computing - spring 2021
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2021-06-17
16:37 |
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2021-06-17
16:24 |
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Practical vectorization
/ Ponce, Sebastien (speaker) (CERN)
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
2021 - 1:01:46.
Thematic CSC; Thematic CERN School of Computing - spring 2021
External links: Talk details; Event details
In : Thematic CERN School of Computing - spring 2021
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2021-06-16
16:07 |
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2021-06-16
15:47 |
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Optimizing existing large codebase
/ Ponce, Sebastien (speaker) (CERN)
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++
2021 - 1:03:26.
Thematic CSC; Thematic CERN School of Computing - spring 2021
External links: Talk details; Event details
In : Thematic CERN School of Computing - spring 2021
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2021-06-16
15:43 |
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Modern programming languages for HEP
/ Ponce, Sebastien (speaker) (CERN)
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
2021 - 1:03:33.
Thematic CSC; Thematic CERN School of Computing - spring 2021
External links: Talk details; Event details
In : Thematic CERN School of Computing - spring 2021
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2021-06-16
15:41 |
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Writing parallel software
/ Piparo, Danilo (speaker) (CERN)
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
2021 - 1:00:33.
Thematic CSC; Thematic CERN School of Computing - spring 2021
External links: Talk details; Event details
In : Thematic CERN School of Computing - spring 2021
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2021-06-16
12:00 |
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Preparing for the HL-LHC computational challenge
/ Piparo, Danilo (speaker) (CERN)
In this talk we will introduce some basic concepts related to HEP data processing and analysis workflows, seeing them in action in the context of LHC experiments. We’ll also talk about the evolution of the LHC accelerator and experiments. [...]
2021 - 0:53:27.
Thematic CSC; Thematic CERN School of Computing - spring 2021
External links: Talk details; Event details
In : Thematic CERN School of Computing - spring 2021
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2021-06-16
11:36 |
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