Show HN: Phobos – A tiny scale-free kernel language with tile-DAG support

Category: devtools

Tags: gpu, compiler, kernel-language, ptx, tile-dag

Score: 7.0/10 (Innovation: 7, Technical: 8, Documentation: 8, Utility: 6)

Phobos is a small kernel language inspired by Triton that compiles to PTX for NVIDIA GPUs, featuring tile-based abstractions and a distributed tile-DAG design. It achieves competitive performance (76% of cuBLAS SGEMM) and demonstrates a novel approach to GPU programming for AI workloads.

Target audience: GPU developers, compiler engineers, AI researchers

Repository: https://www.joa-ebert.com/posts/2026-07-07-phobos-lang/

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