Build Release

Build Release Binaries

Build all 6 voxtype binaries for a release:

• Whisper: AVX2, AVX-512, Vulkan
• ONNX (Parakeet + Moonshine): AVX2, AVX-512, CUDA

Prerequisites

• Docker with remote context truenas configured (pre-AVX-512 server)
• Local AVX-512 capable CPU for AVX-512 builds
• Current branch pushed to origin

Quick Reference

# Set version
export VERSION=X.Y.Z

# Build remote binaries (AVX2, Vulkan, ONNX-AVX2, ONNX-CUDA)
docker context use truenas
docker compose -f docker-compose.build.yml build --no-cache avx2 vulkan onnx-avx2 onnx-cuda
docker compose -f docker-compose.build.yml up avx2 vulkan onnx-avx2 onnx-cuda

# Build local AVX-512 binaries
docker context use default
cargo clean && cargo build --release
cp target/release/voxtype releases/${VERSION}/voxtype-${VERSION}-linux-x86_64-avx512
cargo clean && RUSTFLAGS="-C target-cpu=native" cargo build --release --features parakeet,moonshine
cp target/release/voxtype releases/${VERSION}/voxtype-${VERSION}-linux-x86_64-onnx-avx512

# Verify versions
for bin in releases/${VERSION}/voxtype-*; do echo "$(basename $bin): $($bin --version)"; done

# Generate checksums
cd releases/${VERSION} && sha256sum voxtype-* > SHA256SUMS

# Create pre-release
gh release create v${VERSION} --prerelease --target BRANCH releases/${VERSION}/*

Suggested Bash Permissions

To avoid prompts during the build process, add these to your allowed commands:

- tool: Bash
  prompt: switch docker context
- tool: Bash
  prompt: build docker images
- tool: Bash
  prompt: run docker containers
- tool: Bash
  prompt: copy docker container files
- tool: Bash
  prompt: cargo build
- tool: Bash
  prompt: copy binaries
- tool: Bash
  prompt: verify binary versions
- tool: Bash
  prompt: generate checksums
- tool: Bash
  prompt: create github release
- tool: Bash
  prompt: git push

Workflow

1. Prepare Version

Ensure Cargo.toml is updated and committed:

# Edit Cargo.toml with new version
cargo build  # Updates Cargo.lock
git add Cargo.toml Cargo.lock
git commit -S -m "Bump to vX.Y.Z"
git push

2. Build Remote Binaries (AVX2, Vulkan, ONNX)

These builds use Ubuntu 22.04 to avoid AVX-512 instruction contamination:

export VERSION=X.Y.Z
docker context use truenas
mkdir -p releases/${VERSION}

# Build all Docker images (takes ~10-15 min)
docker compose -f docker-compose.build.yml build --no-cache avx2 vulkan onnx-avx2 onnx-cuda

# Extract binaries
docker compose -f docker-compose.build.yml up avx2 vulkan onnx-avx2 onnx-cuda

3. Build Local AVX-512 Binaries

AVX-512 builds require a host CPU with AVX-512 support:

docker context use default

# Whisper AVX-512
cargo clean && cargo build --release
cp target/release/voxtype releases/${VERSION}/voxtype-${VERSION}-linux-x86_64-avx512

# ONNX AVX-512
cargo clean && RUSTFLAGS="-C target-cpu=native" cargo build --release --features parakeet,moonshine
cp target/release/voxtype releases/${VERSION}/voxtype-${VERSION}-linux-x86_64-onnx-avx512

4. Verify All Binaries

for bin in releases/${VERSION}/voxtype-*; do
  echo -n "$(basename $bin): "
  $bin --version
done

All binaries must report the same version. If any differ, the Docker cache is stale.

5. Generate Checksums

cd releases/${VERSION}
sha256sum voxtype-* > SHA256SUMS
cat SHA256SUMS

6. Create GitHub Release

gh release create v${VERSION} \
  --title "vX.Y.Z: Title" \
  --prerelease \
  --target BRANCH \
  releases/${VERSION}/*

Troubleshooting

Wrong binary version

Docker caches aggressively. Rebuild with --no-cache:

docker compose -f docker-compose.build.yml build --no-cache avx2 vulkan

Remote build output missing

If docker compose up shows old binaries, the containers are stale. Use docker run to run fresh containers from the new images.

AVX-512 contamination in AVX2 binary

Check with objdump:

objdump -d releases/${VERSION}/voxtype-*-avx2 | grep -c zmm

Should be 0. If not, rebuild on a pre-AVX-512 host.

Expected Output

After successful build, releases/${VERSION}/ should contain:

voxtype-X.Y.Z-linux-x86_64-avx2
voxtype-X.Y.Z-linux-x86_64-avx512
voxtype-X.Y.Z-linux-x86_64-vulkan
voxtype-X.Y.Z-linux-x86_64-onnx-avx2
voxtype-X.Y.Z-linux-x86_64-onnx-avx512
voxtype-X.Y.Z-linux-x86_64-onnx-cuda
SHA256SUMS

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