Check Vectorization by Compiler

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Workflow file for this run

.github/workflows/vectorization.yml at db90d83

	name: Check Vectorization by Compiler

	on: [push, pull_request]

	permissions:
	contents: read # to fetch code (actions/checkout)

	jobs:
	build:
	runs-on: ${{ matrix.config.os }}
	strategy:
	matrix:
	config:
	- {
	os: ubuntu-latest,
	compiler: gcc,
	flags: "-O3 -ftree-vectorize -fopt-info-vec-optimized",
	}
	- {
	os: macOS-latest,
	compiler: clang,
	flags: "-O3 -Rpass=loop-vectorize",
	}
	- { os: windows-latest, compiler: cl, flags: "/O2 /Qvec-report:2" }
	files:
	- ["src/util/sample.cpp", "src/util/sample.h"]
	steps:
	- name: "Check out repository"
	uses: actions/[email protected]
	with:
	# This is necessary for making `git describe` work.
	fetch-depth: 0

	- name: "Ensure that all tags are fetched"
	# Works around an issue where not the latest tag is not fetched when the
	# workflow is triggered by a tag push event.
	# Possibly related: actions/checkout#290
	run: git fetch origin --force --tags

	- name: Set up compiler
	run: \|
	if [ "${{ matrix.config.compiler }}" = "gcc" ]; then
	sudo apt-get install -y ${{ matrix.config.compiler }}
	fi

	- name: Compile and check vectorization
	id: check
	shell: bash
	run: \|
	for FILE in "${{ matrix.files }}"; do
	if [[ "${{ runner.os }}" == "Windows" ]]; then
	OUTPUT=$(pwsh -c "& '${{ matrix.compiler }}' ${{matrix.flags}} '$FILE'")
	echo "result=$OUTPUT" >> $GITHUB_ENV
	else
	OUTPUT=$("${{ matrix.compiler }}" ${{matrix.flags}} "$FILE")
	echo "result=$OUTPUT" >> $GITHUB_ENV
	fi
	done

	- name: Print vectorization results
	id: evaluate
	shell: bash
	run: \|
	if [[ "${{ runner.os }}" == "Windows" ]]; then
	echo "result=$OUTPUT" >> $GITHUB_ENV
	else
	echo "result=$OUTPUT" >> $GITHUB_ENV
	fi

	- name: Print result
	run: echo "${{ env.result }}"

	report:
	needs: build
	runs-on: ubuntu-latest
	steps:
	- name: Create report
	run: \|
	echo "OS, Compiler, Function, Vectorized"
	echo "${{ needs.build.outputs.result }}"