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ZLUDA edges closer to cracking Nvidia’s CUDA lock-in

ZLUDA edges closer to cracking Nvidia’s CUDA lock-in

By Nick Farrell
Publication Date: 2025-12-17 09:49:00

ROCm 7 support

ZLUDA is back again, still trying to do the unthinkable and make CUDA code run properly on non-Nvidia GPUs.

The open-source project has picked up support for AMD’s ROCm 7 series, expanding its reach on both Windows and Linux.

The goal has not changed, even if the project has worn several coats of paint over the years.
ZLUDA exists to get CUDA software up and running on hardware that Nvidia would prefer stayed locked out.

Earlier incarnations targeted Intel GPUs, followed by a period of AMD-backed development aimed squarely at Radeon hardware and ROCm. The current effort is broader, positioning ZLUDA as a multi-vendor CUDA implementation with a strong emphasis on AI workloads.

At its core, ZLUDA acts as a drop-in replacement for CUDA. It intercepts CUDA API calls and redirects them to a different GPU runtime, allowing software written for Nvidia hardware to execute on other GPUs.

According to Phoronix, the latest milestone is full support for the ROCm 7 series. Until now, ZLUDA has been limited to ROCm 6.x, which has increasingly looked dated as AMD pushed its software stack forward.

With ROCm 7 support in place, ZLUDA can now target modern AMD GPUs across both Microsoft Windows and Linux. That matters if the project wants to be taken seriously outside of niche experiments.

CUDA remains one of the deepest moats in the AI industry, built over decades of tooling, libraries and developer habits. Breaking that grip has proven far harder than…

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