Use `uv` in `Makefile` and CI #3924

	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

	jobs:
	benchmarks:
	runs-on: ubuntu-22.04

	steps:
	- uses: actions/checkout@v4

	- name: install uv
	uses: astral-sh/setup-uv@v3
	with:
	enable-cache: true

	- name: install deps
	run: \|
	uv sync --python 3.13 --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: Compile pydantic-core for profiling
	run: make build-profiling
	env:
	CONST_RANDOM_SEED: 0 # Fix the compile time RNG seed
	RUSTFLAGS: "-Cprofile-generate=${{ github.workspace }}/profdata"

	- name: Gather pgo data
	run: pytest tests/benchmarks

	- name: Prepare merged pgo data
	run: rustup run stable bash -c '$RUSTUP_HOME/toolchains/$RUSTUP_TOOLCHAIN/lib/rustlib/x86_64-unknown-linux-gnu/bin/llvm-profdata merge -o ${{ github.workspace }}/merged.profdata ${{ github.workspace }}/profdata'

	- name: Compile pydantic-core for benchmarking
	run: make build-profiling
	env:
	CONST_RANDOM_SEED: 0 # Fix the compile time RNG seed
	RUSTFLAGS: "-Cprofile-use=${{ github.workspace }}/merged.profdata"

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

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