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EPISODE · Jun 5, 2026 · 59 MIN

Graphs to scale (gpn24)

from Chaos Computer Club - recent audio-only feed · host Sebastian Ritterbusch

Skalierende Systeme wie Hochleistungsrechner oder KI-Cluster benötigen effiziente Datenverbindungen, um überhaupt von der Skalierung der Geräte profitieren zu können. Bei hohen Anforderungen an Durchsatz, Ausfallsicherheit und geringer Latenz (und Kosten) werden diese ohne Switches in Matrix-ähnlichen Topologien umgesetzt. Der naive Ansatz funktioniert aber nicht so gut, was wir auch beim Zeichnen von Diagrammen, Plänen oder der Versorgung von Häusern merken. Dahinter stehen grundsätzliche Eigenschaften von Graphen, die nur manchmal in der Ebene überschneidungsfrei gezeichnet werden können. Glücklicherweise zeigen uns Pac-Man und Portal, wie wir das Problem sehr leicht lösen können, und die modernen Höchstleistungsrechner und Inferenz-Cluster treiben das ganze inzwischen in unvorstellbare Dimensionen. Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://cfp.gulas.ch/gpn24/talk/8RCMLH/

Skalierende Systeme wie Hochleistungsrechner oder KI-Cluster benötigen effiziente Datenverbindungen, um überhaupt von der Skalierung der Geräte profitieren zu können. Bei hohen Anforderungen an Durchsatz, Ausfallsicherheit und geringer Latenz (und Kosten) werden diese ohne Switches in Matrix-ähnlichen Topologien umgesetzt. Der naive Ansatz funktioniert aber nicht so gut, was wir auch beim Zeichnen von Diagrammen, Plänen oder der Versorgung von Häusern merken. Dahinter stehen grundsätzliche Eigenschaften von Graphen, die nur manchmal in der Ebene überschneidungsfrei gezeichnet werden können. Glücklicherweise zeigen uns Pac-Man und Portal, wie wir das Problem sehr leicht lösen können, und die modernen Höchstleistungsrechner und Inferenz-Cluster treiben das ganze inzwischen in unvorstellbare Dimensionen. Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://cfp.gulas.ch/gpn24/talk/8RCMLH/

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This episode was published on June 5, 2026.

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Skalierende Systeme wie Hochleistungsrechner oder KI-Cluster benötigen effiziente Datenverbindungen, um überhaupt von der Skalierung der Geräte profitieren zu können. Bei hohen Anforderungen an Durchsatz, Ausfallsicherheit und geringer Latenz (und...

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