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document PartialOrd difference to simd_min and simd_max #1032

document PartialOrd difference to simd_min and simd_max

document PartialOrd difference to simd_min and simd_max #1032

Workflow file for this run

name: CI
on:
pull_request:
push:
branches:
- master
env:
CARGO_NET_RETRY: 10
RUSTUP_MAX_RETRIES: 10
jobs:
rustfmt:
name: "rustfmt"
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v2
- name: Setup Rust
run: |
rustup update nightly --no-self-update
rustup default nightly
rustup component add rustfmt
- name: Run rustfmt
run: cargo fmt --all -- --check
clippy:
name: "clippy on ${{ matrix.target }}"
runs-on: ubuntu-latest
strategy:
fail-fast: false
matrix:
target:
# We shouldn't really have any OS-specific code, so think of this as a list of architectures
- x86_64-unknown-linux-gnu
- i686-unknown-linux-gnu
- i586-unknown-linux-gnu
- aarch64-unknown-linux-gnu
- armv7-unknown-linux-gnueabihf
# non-nightly since https://github.com/rust-lang/rust/pull/113274
# - mips-unknown-linux-gnu
# - mips64-unknown-linux-gnuabi64
- powerpc-unknown-linux-gnu
- powerpc64-unknown-linux-gnu
- riscv64gc-unknown-linux-gnu
- s390x-unknown-linux-gnu
- sparc64-unknown-linux-gnu
- wasm32-unknown-unknown
steps:
- uses: actions/checkout@v2
- name: Setup Rust
run: |
rustup update nightly --no-self-update
rustup default nightly
rustup target add ${{ matrix.target }}
rustup component add clippy
- name: Run Clippy
run: cargo clippy --all-targets --target ${{ matrix.target }}
x86-tests:
name: "${{ matrix.target_feature }} on ${{ matrix.target }}"
runs-on: ${{ matrix.os }}
strategy:
fail-fast: false
matrix:
target: [x86_64-pc-windows-msvc, i686-pc-windows-msvc, i586-pc-windows-msvc, x86_64-unknown-linux-gnu, x86_64-apple-darwin]
# `default` means we use the default target config for the target,
# `native` means we run with `-Ctarget-cpu=native`, and anything else is
# an arg to `-Ctarget-feature`
target_feature: [default, native, +sse3, +ssse3, +sse4.1, +sse4.2, +avx, +avx2]
exclude:
# The macos runners seem to only reliably support up to `avx`.
- { target: x86_64-apple-darwin, target_feature: +avx2 }
# These features are statically known to be present for all 64 bit
# macs, and thus are covered by the `default` test
- { target: x86_64-apple-darwin, target_feature: +sse3 }
- { target: x86_64-apple-darwin, target_feature: +ssse3 }
# -Ctarget-cpu=native sounds like bad-news if target != host
- { target: i686-pc-windows-msvc, target_feature: native }
- { target: i586-pc-windows-msvc, target_feature: native }
include:
# Populate the `matrix.os` field
- { target: x86_64-apple-darwin, os: macos-latest }
- { target: x86_64-unknown-linux-gnu, os: ubuntu-latest }
- { target: x86_64-pc-windows-msvc, os: windows-latest }
- { target: i686-pc-windows-msvc, os: windows-latest }
- { target: i586-pc-windows-msvc, os: windows-latest }
# These are globally available on all the other targets.
- { target: i586-pc-windows-msvc, target_feature: +sse, os: windows-latest }
- { target: i586-pc-windows-msvc, target_feature: +sse2, os: windows-latest }
# Annoyingly, the x86_64-unknown-linux-gnu runner *almost* always has
# avx512vl, but occasionally doesn't. Maybe one day we can enable it.
steps:
- uses: actions/checkout@v2
- name: Setup Rust
run: |
rustup update nightly --no-self-update
rustup default nightly
rustup target add ${{ matrix.target }}
- name: Configure RUSTFLAGS
shell: bash
run: |
case "${{ matrix.target_feature }}" in
default)
echo "RUSTFLAGS=-Dwarnings" >> $GITHUB_ENV;;
native)
echo "RUSTFLAGS=-Dwarnings -Ctarget-cpu=native" >> $GITHUB_ENV
;;
*)
echo "RUSTFLAGS=-Dwarnings -Ctarget-feature=${{ matrix.target_feature }}" >> $GITHUB_ENV
;;
esac
# Super useful for debugging why a SIGILL occurred.
- name: Dump target configuration and support
run: |
rustc -Vv
echo "Caveat: not all target features are expected to be logged"
echo "## Requested target configuration (RUSTFLAGS=$RUSTFLAGS)"
rustc --print=cfg --target=${{ matrix.target }} $RUSTFLAGS
echo "## Supported target configuration for --target=${{ matrix.target }}"
rustc --print=cfg --target=${{ matrix.target }} -Ctarget-cpu=native
echo "## Natively supported target configuration"
rustc --print=cfg -Ctarget-cpu=native
- name: Test (debug)
run: cargo test --verbose --target=${{ matrix.target }}
- name: Test (release)
run: cargo test --verbose --target=${{ matrix.target }} --release
- name: Generate docs
run: cargo doc --verbose --target=${{ matrix.target }}
env:
RUSTDOCFLAGS: -Dwarnings
wasm-tests:
name: "wasm (firefox, ${{ matrix.name }})"
runs-on: ubuntu-latest
strategy:
matrix:
include:
- { name: default, RUSTFLAGS: "" }
- { name: simd128, RUSTFLAGS: "-C target-feature=+simd128" }
steps:
- uses: actions/checkout@v2
- name: Setup Rust
run: |
rustup update nightly --no-self-update
rustup default nightly
- name: Install wasm-pack
run: curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
- name: Test (debug)
run: wasm-pack test --firefox --headless crates/core_simd
env:
RUSTFLAGS: ${{ matrix.rustflags }}
- name: Test (release)
run: wasm-pack test --firefox --headless crates/core_simd --release
env:
RUSTFLAGS: ${{ matrix.rustflags }}
cross-tests:
name: "${{ matrix.target_feature }} on ${{ matrix.target }} (via cross)"
runs-on: ubuntu-latest
strategy:
fail-fast: false
matrix:
target:
- armv7-unknown-linux-gnueabihf
- thumbv7neon-unknown-linux-gnueabihf # includes neon by default
- aarch64-unknown-linux-gnu # includes neon by default
- powerpc-unknown-linux-gnu
- powerpc64le-unknown-linux-gnu # includes altivec by default
- riscv64gc-unknown-linux-gnu
# MIPS uses a nonstandard binary representation for NaNs which makes it worth testing
# non-nightly since https://github.com/rust-lang/rust/pull/113274
# - mips-unknown-linux-gnu
# - mips64-unknown-linux-gnuabi64
# Lots of errors in QEMU and no real hardware to test on. Not clear if it's QEMU or bad codegen.
# - powerpc64-unknown-linux-gnu
target_feature: [default]
include:
- { target: powerpc64le-unknown-linux-gnu, target_feature: "+vsx" }
# Fails due to QEMU floating point errors, probably handling subnormals incorrectly.
# This target is somewhat redundant, since ppc64le has altivec as well.
# - { target: powerpc-unknown-linux-gnu, target_feature: "+altivec" }
# We should test this, but cross currently can't run it
# - { target: riscv64gc-unknown-linux-gnu, target_feature: "+v,+zvl128b" }
steps:
- uses: actions/checkout@v2
- name: Setup Rust
run: |
rustup update nightly --no-self-update
rustup default nightly
rustup target add ${{ matrix.target }}
rustup component add rust-src
- name: Install Cross
# Equivalent to `cargo install cross`, but downloading a prebuilt
# binary. Ideally we wouldn't hardcode a version, but the version number
# being part of the tarball means we can't just use the download/latest
# URL :(
run: |
CROSS_URL=https://github.com/cross-rs/cross/releases/download/v0.2.5/cross-x86_64-unknown-linux-gnu.tar.gz
mkdir -p "$HOME/.bin"
curl -sfSL --retry-delay 10 --retry 5 "${CROSS_URL}" | tar zxf - -C "$HOME/.bin"
echo "$HOME/.bin" >> $GITHUB_PATH
- name: Configure Emulated CPUs
run: |
echo "CARGO_TARGET_POWERPC_UNKNOWN_LINUX_GNU_RUNNER=qemu-ppc -cpu e600" >> $GITHUB_ENV
# echo "CARGO_TARGET_RISCV64GC_UNKNOWN_LINUX_GNU_RUNNER=qemu-riscv64 -cpu rv64,zba=true,zbb=true,v=true,vlen=256,vext_spec=v1.0" >> $GITHUB_ENV
- name: Configure RUSTFLAGS
shell: bash
run: |
case "${{ matrix.target_feature }}" in
default)
echo "RUSTFLAGS=" >> $GITHUB_ENV;;
*)
echo "RUSTFLAGS=-Ctarget-feature=${{ matrix.target_feature }}" >> $GITHUB_ENV
;;
esac
- name: Test (debug)
run: cross test --verbose --target=${{ matrix.target }}
- name: Test (release)
run: cross test --verbose --target=${{ matrix.target }} --release
features:
name: "Test cargo features (${{ matrix.simd }} × ${{ matrix.features }})"
runs-on: ubuntu-latest
strategy:
fail-fast: false
matrix:
simd:
- ""
- "avx512"
features:
- ""
- "--features std"
- "--features all_lane_counts"
- "--all-features"
steps:
- uses: actions/checkout@v2
- name: Setup Rust
run: |
rustup update nightly --no-self-update
rustup default nightly
- name: Detect AVX512
run: echo "CPU_FEATURE=$(lscpu | grep -o avx512[a-z]* | sed s/avx/+avx/ | tr '\n' ',' )" >> $GITHUB_ENV
- name: Check build
if: ${{ matrix.simd == '' }}
run: RUSTFLAGS="-Dwarnings" cargo test --all-targets --no-default-features ${{ matrix.features }}
- name: Check AVX
if: ${{ matrix.simd == 'avx512' && contains(env.CPU_FEATURE, 'avx512') }}
run: |
echo "Found AVX features: $CPU_FEATURE"
RUSTFLAGS="-Dwarnings -Ctarget-feature=$CPU_FEATURE" cargo test --all-targets --no-default-features ${{ matrix.features }}
miri:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v2
- name: Setup Rust
run: |
rustup update nightly --no-self-update
rustup default nightly
rustup component add miri rust-src
- name: Test (Miri)
run: cargo miri test