add benchmark for root model validation #4033

	name: codspeed

	on:
	push:
	branches:
	- main
	pull_request:
	# `workflow_dispatch` allows CodSpeed to trigger backtest
	# performance analysis in order to generate initial data.
	workflow_dispatch:

	env:
	UV_FROZEN: true
	UV_PYTHON: 3.13

	jobs:
	benchmarks:
	runs-on: ubuntu-22.04

	steps:
	- uses: actions/checkout@v4

	# Using this action is still necessary for CodSpeed to work:
	- uses: actions/setup-python@v5
	with:
	python-version: ${{ env.UV_PYTHON}}

	- name: install uv
	uses: astral-sh/setup-uv@v4
	with:
	enable-cache: true

	- name: Install deps
	run: \|
	uv sync --group testing
	uv pip uninstall pytest-speed
	uv pip install pytest-benchmark==4.0.0 pytest-codspeed

	- name: Install rust stable
	id: rust-toolchain
	uses: dtolnay/rust-toolchain@stable
	with:
	components: llvm-tools

	- name: Cache rust
	uses: Swatinem/rust-cache@v2

	- name: Build PGO wheel
	id: pgo-wheel
	uses: ./.github/actions/build-pgo-wheel
	with:
	interpreter: ${{ env.UV_PYTHON }}
	rust-toolchain: ${{ steps.rust-toolchain.outputs.name }}
	env:
	# make sure profiling information is present
	CARGO_PROFILE_RELEASE_DEBUG: "line-tables-only"
	CARGO_PROFILE_RELEASE_STRIP: false

	- name: Install PGO wheel
	run: uv pip install ${{ steps.pgo-wheel.outputs.wheel }} --force-reinstall

	- name: Run CodSpeed benchmarks
	uses: CodSpeedHQ/action@v3
	with:
	run: uv run --group=codspeed pytest tests/benchmarks/ --codspeed

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