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Add aarch64 installation guide for DGX Spark / GB10#80

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aleka07:aarch64-install-guide
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Add aarch64 installation guide for DGX Spark / GB10#80
aleka07 wants to merge 1 commit into
facebookresearch:mainfrom
aleka07:aarch64-install-guide

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@aleka07

@aleka07 aleka07 commented Apr 7, 2026

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Add INSTALL_AARCH64.md with step-by-step instructions for building fairseq2 from source on aarch64 (ARM64) platforms, specifically tested on NVIDIA DGX Spark with GB10 (Blackwell) GPU, CUDA 12.9.

Also adds a note in README.md pointing ARM64 users to the guide, and relaxes the fairseq2 version constraint to support source builds.

Why?

Why do we need this feature? What is the use case?

How ?

Document the technical decisions you have made. If some parts are WIP, please
mention them here.

Test plan

How did you test your changes? Include instructions to help others to reproduce
them if needed.

Add INSTALL_AARCH64.md with step-by-step instructions for building
fairseq2 from source on aarch64 (ARM64) platforms, specifically
tested on NVIDIA DGX Spark with GB10 (Blackwell) GPU, CUDA 12.9.

Also adds a note in README.md pointing ARM64 users to the guide,
and relaxes the fairseq2 version constraint to support source builds.
@aleka07 aleka07 requested a review from artemru as a code owner April 7, 2026 09:40
@meta-cla

meta-cla Bot commented Apr 7, 2026

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Hi @aleka07!

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