Eric Schreiber

Hi, I'm Eric, working in research at Aleph Alpha on large-scale neural networks .

My work focuses on efficiency at scale, designing models and systems that are both numerically robust and fast to train and run. I'm interested in neural network architecture, optimization, and high-performance parallel code.

GitHub  /  Google Scholar  /  LinkedIn

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Publications

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Reasoning Language Models: A Blueprint


Maciej Besta, Julia Barth, Eric Schreiber, Ales Kubicek, Afonso Catarino, et al.
arXiv, January 2025
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A blueprint for reasoning language models (RLMs), showing building blocks for structured reasoning, search, and RL-based rollouts. Implementing x1, a composable RLM framework.

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CheckEmbed: Effective Verification of LLM Solutions to Open-Ended Tasks


Maciej Besta, Lorenzo Paleari, Marcin Copik, Robert Gerstenberger, Ales Kubicek, et al.
arXiv, June 2024
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Using embedding vectors of multiple solutions to a given task to gauge their similarity and infer from this the likelihood of a solution being correct.



Blogposts

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Demystifying CuTe: Building High-Performance GEMMs


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Part 2 of 2 — From copy kernels to fast matrix multiplication

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Demystifying CuTe: Understanding Layout Algebra


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Part 1 of 2 — From conceptual foundations to efficient memory operations

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MoE Inference Economics from First Principles


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DeepSeek 🐳, Kimi, synthetic data markets and the token overcapacity issue

Projects


Design and source code from Jon Barron's website