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AlphaDev

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AlphaDev
Paper summary

DeepMind's deep RL agent discovering faster sorting algorithms from scratch, now in LLVM.

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Key points
01

Assembly-level discovery: Searches over CPU assembly instructions rather than high-level code, finding micro-optimizations humans would miss.

02

LLVM integration: Discovered sorting routines were integrated into the LLVM C++ standard library - the first major AI-discovered algorithm in production compiler infrastructure.

03

Human-beating benchmarks: Found 70% faster sorting for very small inputs and 1.7% faster for large inputs, running billions of times per day worldwide.

04

Algorithm discovery AI: A proof point for AI-driven algorithm discovery that would later be extended to matrix multiplication (AlphaEvolve) and other primitives.

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