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The CERN Webcast collection offers access to particle physics lectures and seminars. This service allows you to watch archived lectures at your convenience. Lectures that are planned to be recorded in the close future can also be found from this page. Currently, videos are streamed using mainly RealNetworks technology.
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2024-04-18
15:55
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The charm and beauty of probing CP violation with the CMS detector / Bragagnolo, Alberto (speaker) (Università e INFN, Padova (IT))
The study of CP violation is critical for understanding the asymmetry between matter and antimatter in the universe. This seminar presents the CP violation in Bs to J/psi Phi and D0 to KsKs decays measured with the CMS detector at the LHC using Run 2 data [...]
2024 - 1:04:40. LHC Seminar External link: Event details In : The charm and beauty of probing CP violation with the CMS detector

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2024-04-17
09:33
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Exploring the higher structure of symmetries / Del Zotto, Michele (speaker) (Uppsala U.)
An increasing amount of evidence indicates that symmetries of quantum fields are in correspondence with topological membranes of various dimensionality, encoding the conserved quantum numbers of local and extended operators. One feature of topological membranes is that they can form intricated networks of topological junctions, which give generalized symmetries a higher structure. [...]
2024 - 1:13:01. TH String Theory Seminar External link: Event details In : Exploring the higher structure of symmetries

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2024-04-17
09:01
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The perfectly parallel program: Architectures for hardware acceleration and heterogeneous computing (1/2) / Wettersten, Zenny (speaker) (CERN)
- Technical details of processing units in the context of hardware acceleration - Flynn's taxonomy of computer architectures and its relation to types of software parallelism - Data-level parallelism as a solution to current bottlenecks in scientific computing - Evaluating the possible speedup hardware can provide - How physical limitations in instruction/memory access affect your code
2024 - 0:56:00. Inverted CSC; Inverted CERN School of Computing 2024 External links: Talk details; Event details In : Inverted CERN School of Computing 2024

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2024-04-17
09:01
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The perfectly parallel program: Design philosophy for parallel programming (2/2) / Wettersten, Zenny (speaker) (CERN)
- Relating the fundamental restrictions and capabilities of hardware parallelism to software engineering - Defining what makes an algorithm "parallel" or not - Considerations for designing a parallel algorithm with respect to control flow and memory access - Legacy code, and how to go about re-designing existing software for novel hardware
2024 - 0:54:34. Inverted CSC; Inverted CERN School of Computing 2024 External links: Talk details; Event details In : Inverted CERN School of Computing 2024

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2024-04-17
09:01
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Unraveling Grid Computing: From Basics to WLCG / Hofsaess, Robin (speaker) (KIT - Karlsruhe Institute of Technology (DE))
In an era where computational demands surpass the capabilities of individual systems and where collaboration across borders becomes paramount, grid computing is the foundation for today's collaborative research. It enables users to access and analyze experiment data from all around the world without further knowledge of the complex systems in the background. In this lecture, however, we will glance behind the user's single point of entry and delve into the foundational aspects of grid computing, from the historical background to the key concepts of a decentralized modern grid infrastructure. After the key concepts, we will examine the Worldwide LHC Computing Grid (WLCG) - the world's most sophisticated scientific computing grid - as a paradigm of contemporary grid infrastructure..
2024 - 1:02:12. Inverted CSC; Inverted CERN School of Computing 2024 External links: Talk details; Event details In : Inverted CERN School of Computing 2024

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2024-04-16
15:41
Restricted
 SWAN / Reguero, Ignacio (speaker)
2024 - 1:16:16. IT Technical Forum (ITTF) External link: Event details In : SWAN

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2024-04-16
10:03
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Why do machines learn? Introduction to fundamentals and common misconceptions in ML / Jawahar, Pratik (speaker) (University of Manchester (UK - ATLAS))
2024 - 0:45:41. Inverted CSC; Inverted CERN School of Computing 2024 External links: Talk details; Event details In : Inverted CERN School of Computing 2024

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2024-04-16
10:03
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GPU Programming Made Easy with CuPy / Abreu Figueiredo, Bernardo (speaker) (Karlsruhe University of Applied Sciences (DE))
In scientific environments, Python has become prevalent. At the same time, GPUs have dominated code acceleration use cases in the past years and are used where a large amount of data is processed. [...]
2024 - 0:53:21. Inverted CSC; Inverted CERN School of Computing 2024 External links: Talk details; Event details In : Inverted CERN School of Computing 2024

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2024-04-16
10:02
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From Text to Threads: Large Language Models and their impact on the HEP community / Valenzuela Ramirez, Andrea (speaker) (CERN)
Over the past year, Large Language Models (LLMs) have demonstrated remarkable capabilities, with ChatGPT rapidly becoming a buzzword on the Internet. These advanced models have been widely applied in various applications and services, recently appearing in scientific domains as well. [...]
2024 - 1:00:31. Inverted CSC; Inverted CERN School of Computing 2024 External links: Talk details; Event details In : Inverted CERN School of Computing 2024

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2024-04-16
10:02
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Functional programming (and why it's relevant for HEP computing) / de Geus, Florine (speaker) (CERN/University of Twente (NL))
Anyone that writes code on a regular basis will likely have come across the term “functional programming”, or perhaps even tried their hand and writing some Haskell functions at some point. Still, its strong theoretical roots and at times unfamiliar syntax can make the initial learning curve quite steep. [...]
2024 - 0:48:56. Inverted CSC; Inverted CERN School of Computing 2024 External links: Talk details; Event details In : Inverted CERN School of Computing 2024

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