Add codspeed benchmarks #5

	name: Benchmark

	on:
	push:
	branches: [main]
	pull_request: {} # Allow CodSpeed to trigger backtest performance analysis
	workflow_dispatch: {}

	permissions:
	contents: read
	id-token: write

	concurrency:
	group: ${{ github.workflow }}-${{ github.job }}-${{ github.ref }}
	cancel-in-progress: true

	defaults:
	run:
	shell: bash -e -l {0}

	jobs:
	benchmarks:
	name: Linux - ${{ matrix.sys.name }} - ${{ matrix.sys.mode }}
	runs-on: namespace-profile-benchmark;container.privileged=true;container.host-pid-namespace=true
	strategy:
	matrix:
	sys:
	- { name: "sse4.2", flags: "-march=x86-64-v2", mode: "walltime" }
	- { name: "avx2", flags: "-march=x86-64-v3", mode: "walltime" }
	steps:
	- name: Checkout code
	uses: actions/checkout@v6
	- name: Set conda environment
	uses: mamba-org/setup-micromamba@v2
	with:
	environment-name: myenv
	create-args: >-
	c-compiler
	cxx-compiler
	cmake
	ninja
	xsimd=14.3.0
	init-shell: bash
	cache-downloads: true
	- name: Build benchmarks
	run: \|
	# Codspeed deps need C11 (not 23)
	cmake -G Ninja -B build/ \
	-D CMAKE_BUILD_TYPE="RelWithDebInfo" \
	-D CMAKE_CXX_FLAGS="${{ matrix.sys.flags }}" \
	-D BUILD_BENCHMARK=ON \
	-D CMAKE_C_STANDARD=11 \
	-D CODSPEED_MODE="${{ matrix.sys.mode }}"
	cmake --build build --target benchmark_xsimd_algorithm --parallel 8
	- name: Run benchmarks
	uses: CodSpeedHQ/action@v5
	with:
	mode: ${{ matrix.sys.mode }}
	run: ./build/benchmark/benchmark_xsimd_algorithm

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