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feat(deps): resolve torch from PyPI on linux/aarch64 to enable ARM64 installs and Docker builds #9095

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Merged
lstein merged 6 commits into from
Jul 17, 2026
Merged

feat(deps): resolve torch from PyPI on linux/aarch64 to enable ARM64 installs and Docker builds #9095

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c708cb6
feat(deps): exclude linux_aarch64 from PyTorch WHL-index sources
stellarfeline May 19, 2026
f4de5ff
Merge remote-tracking branch 'origin/main' into feat/docker-arm64
stellarfeline May 29, 2026
724766e
Merge origin/main into feat/docker-arm64
lstein Jul 15, 2026
224740a
docs: update docker README/Dockerfile for arm64 CPU-only builds, clar…
stellarfeline Jul 15, 2026
a1273f6
docs: cover native (non-docker) ARM64 installs in system requirements…
stellarfeline Jul 15, 2026
de18c2f
Merge branch 'main' into feat/docker-arm64
lstein Jul 17, 2026
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38 changes: 26 additions & 12 deletions pyproject.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -90,12 +90,23 @@ dependencies = [
# torch 2.4+cu carries its own triton dependency
]

"cpu" = ["torch==2.7.1+cpu", "torchvision==0.22.1+cpu"]
"cuda" = ["torch==2.7.1+cu128", "torchvision==0.22.1+cu128"]
# The +cpu/+cu128/+rocm6.3 wheels live on PyTorch's WHL indexes, which only
# publish linux_x86_64 / win_amd64. On linux_aarch64 these pins are unsatisfiable,
# so they're gated behind a marker that excludes only linux_aarch64; every other
# platform (Windows, macOS, Linux x86_64) is unaffected. On linux_aarch64 the base
# `torch~=2.7.0` / `torchvision` declarations resolve from PyPI instead.
"cpu" = [
"torch==2.7.1+cpu; sys_platform != 'linux' or platform_machine != 'aarch64'",
"torchvision==0.22.1+cpu; sys_platform != 'linux' or platform_machine != 'aarch64'",
]
"cuda" = [
"torch==2.7.1+cu128; sys_platform != 'linux' or platform_machine != 'aarch64'",
"torchvision==0.22.1+cu128; sys_platform != 'linux' or platform_machine != 'aarch64'",
]
"rocm" = [
"torch==2.7.1+rocm6.3",
"torchvision==0.22.1+rocm6.3",
"pytorch-triton-rocm",
"torch==2.7.1+rocm6.3; sys_platform != 'linux' or platform_machine != 'aarch64'",
"torchvision==0.22.1+rocm6.3; sys_platform != 'linux' or platform_machine != 'aarch64'",
"pytorch-triton-rocm; sys_platform != 'linux' or platform_machine != 'aarch64'",
]

"onnx" = ["onnxruntime"]
Expand Down Expand Up @@ -126,18 +137,21 @@ conflicts = [[{ extra = "cpu" }, { extra = "cuda" }, { extra = "rocm" }]]
index-strategy = "unsafe-best-match"

[tool.uv.sources]
# Exclude linux_aarch64 from the PyTorch WHL indexes (which have no aarch64 wheels)
# so that uv falls back to PyPI for torch / torchvision on that platform.
# All other platforms (Windows, macOS, Linux x86_64) are unaffected.
torch = [
{ index = "torch-cpu", extra = "cpu" },
{ index = "torch-cuda", extra = "cuda" },
{ index = "torch-rocm", extra = "rocm" },
{ index = "torch-cpu", extra = "cpu", marker = "sys_platform != 'linux' or platform_machine != 'aarch64'" },
{ index = "torch-cuda", extra = "cuda", marker = "sys_platform != 'linux' or platform_machine != 'aarch64'" },
{ index = "torch-rocm", extra = "rocm", marker = "sys_platform != 'linux' or platform_machine != 'aarch64'" },
]
torchvision = [
{ index = "torch-cpu", extra = "cpu" },
{ index = "torch-cuda", extra = "cuda" },
{ index = "torch-rocm", extra = "rocm" },
{ index = "torch-cpu", extra = "cpu", marker = "sys_platform != 'linux' or platform_machine != 'aarch64'" },
{ index = "torch-cuda", extra = "cuda", marker = "sys_platform != 'linux' or platform_machine != 'aarch64'" },
{ index = "torch-rocm", extra = "rocm", marker = "sys_platform != 'linux' or platform_machine != 'aarch64'" },
]
pytorch-triton-rocm = [
{ index = "torch-rocm", extra = "rocm", marker = "sys_platform == 'linux'" },
{ index = "torch-rocm", extra = "rocm", marker = "sys_platform == 'linux' and platform_machine != 'aarch64'" },
]

[[tool.uv.index]]
Expand Down
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