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Notes from week 40

Fast Tessera inference that brings one Xeon node level with a GPU; reverse dependencies in day10; Windows, macOS and FreeBSD worker updates and a new ad hoc pipeline engine.

05 Oct 2026

Marc Elvers

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Notes from week 39

The icechunk to zarr conversion finished, although not when I said it had; benchmarking Tessera inference on Intel’s AMX silicon; and day10 spreading to four architectures while finding real bugs.

28 Sep 2026

Marc Elvers

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Notes from week 28

Headline activities have included resolving the scraping attacks, fixing obuilder bugs, and Tessera AMX optimisations.

13 Jul 2026

Marc Elvers

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Can a CPU with Intel AMX Match a GPU for ML Inference?

GPU acceleration is the default assumption for machine learning inference. But Intel’s AMX (Advanced Matrix Extensions) may close the gap. AMX is built into recent Xeon processors, which are available from Azure. Can they compete with similarly priced GPU-based machines for the Tessera pipeline?

08 Apr 2026

Marc Elvers

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