perf: cache intermediate type class results and non-results #17248

Workflow file for this run

	name: CI
	on:
	push:
	branches:
	- 'master'
	tags:
	- '*'
	pull_request:
	merge_group:
	schedule:
	- cron: '0 7 * * *' # 8AM CET/11PM PT

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

	jobs:

	# This job determines various settings for the following CI runs; see the `outputs` for details
	configure:
	runs-on: ubuntu-latest
	outputs:
	# 0: PRs without special label
	# 1: PRs with `merge-ci` label, merge queue checks, master commits
	# 2: PRs with `release-ci` label, releases (incl. nightlies)
	check-level: ${{ steps.set-level.outputs.check-level }}
	# The build matrix, dynamically generated here
	matrix: ${{ steps.set-matrix.outputs.result }}
	# Should we make a nightly release? If so, this output contains the lean version string, else it is empty
	nightly: ${{ steps.set-nightly.outputs.nightly }}
	# Should this be the CI for a tagged release?
	# Yes only if a tag is pushed to the `leanprover` repository, and the tag is "v" followed by a valid semver.
	# It sets `set-release.outputs.RELEASE_TAG` to the tag
	# and sets `set-release.outputs.{LEAN_VERSION_MAJOR,LEAN_VERSION_MINOR,LEAN_VERSION_PATCH,LEAN_SPECIAL_VERSION_DESC}`
	# to the semver components parsed via regex.
	LEAN_VERSION_MAJOR: ${{ steps.set-release.outputs.LEAN_VERSION_MAJOR }}
	LEAN_VERSION_MINOR: ${{ steps.set-release.outputs.LEAN_VERSION_MINOR }}
	LEAN_VERSION_PATCH: ${{ steps.set-release.outputs.LEAN_VERSION_PATCH }}
	LEAN_SPECIAL_VERSION_DESC: ${{ steps.set-release.outputs.LEAN_SPECIAL_VERSION_DESC }}
	RELEASE_TAG: ${{ steps.set-release.outputs.RELEASE_TAG }}

	steps:
	- name: Checkout
	uses: actions/checkout@v3
	# don't schedule nightlies on forks
	if: github.event_name == 'schedule' && github.repository == 'leanprover/lean4'
	- name: Set Nightly
	if: github.event_name == 'schedule' && github.repository == 'leanprover/lean4'
	id: set-nightly
	run: \|
	if [[ -n '${{ secrets.PUSH_NIGHTLY_TOKEN }}' ]]; then
	git remote add nightly https://foo:'${{ secrets.PUSH_NIGHTLY_TOKEN }}'@github.com/${{ github.repository_owner }}/lean4-nightly.git
	git fetch nightly --tags
	LEAN_VERSION_STRING="nightly-$(date -u +%F)"
	# do nothing if commit already has a different tag
	if [[ "$(git name-rev --name-only --tags --no-undefined HEAD 2> /dev/null \|\| echo "$LEAN_VERSION_STRING")" == "$LEAN_VERSION_STRING" ]]; then
	echo "nightly=$LEAN_VERSION_STRING" >> "$GITHUB_OUTPUT"
	fi
	fi

	- name: Check for official release
	if: startsWith(github.ref, 'refs/tags/') && github.repository == 'leanprover/lean4'
	id: set-release
	run: \|
	TAG_NAME="${GITHUB_REF##*/}"

	# From https://github.com/fsaintjacques/semver-tool/blob/master/src/semver

	NAT='0\|[1-9][0-9]*'
	ALPHANUM='[0-9][A-Za-z-][0-9A-Za-z-]'
	IDENT="$NAT\|$ALPHANUM"
	FIELD='[0-9A-Za-z-]+'

	SEMVER_REGEX="\
	^[vV]?\
	($NAT)\\.($NAT)\\.($NAT)\
	(\\-(${IDENT})(\\.(${IDENT}))*)?\
	(\\+${FIELD}(\\.${FIELD})*)?$"

	if [[ ${TAG_NAME} =~ ${SEMVER_REGEX} ]]; then
	echo "Tag ${TAG_NAME} matches SemVer regex, with groups ${BASH_REMATCH[1]} ${BASH_REMATCH[2]} ${BASH_REMATCH[3]} ${BASH_REMATCH[4]}"
	{
	echo "LEAN_VERSION_MAJOR=${BASH_REMATCH[1]}"
	echo "LEAN_VERSION_MINOR=${BASH_REMATCH[2]}"
	echo "LEAN_VERSION_PATCH=${BASH_REMATCH[3]}"
	echo "LEAN_SPECIAL_VERSION_DESC=${BASH_REMATCH[4]##-}"
	echo "RELEASE_TAG=$TAG_NAME"
	} >> "$GITHUB_OUTPUT"
	else
	echo "Tag ${TAG_NAME} did not match SemVer regex."
	fi

	- name: Set check level
	id: set-level
	# We do not use github.event.pull_request.labels.*.name here because
	# re-running a run does not update that list, and we do want to be able to
	# rerun the workflow run after setting the `release-ci`/`merge-ci` labels.
	run: \|
	check_level=0

	if [[ -n "${{ steps.set-nightly.outputs.nightly }}" \|\| -n "${{ steps.set-release.outputs.RELEASE_TAG }}" ]]; then
	check_level=2
	elif [[ "${{ github.event_name }}" != "pull_request" ]]; then
	check_level=1
	else
	labels="$(gh api repos/${{ github.repository_owner }}/${{ github.event.repository.name }}/pulls/${{ github.event.pull_request.number }}) --jq '.labels'"
	if echo "$labels" \| grep -q "release-ci"; then
	check_level=2
	elif echo "$labels" \| grep -q "merge-ci"; then
	check_level=1
	fi
	fi

	echo "check-level=$check_level" >> "$GITHUB_OUTPUT"
	env:
	GH_TOKEN: ${{ github.token }}

	- name: Configure build matrix
	id: set-matrix
	uses: actions/github-script@v7
	with:
	script: \|
	const level = ${{ steps.set-level.outputs.check-level }};
	console.log(`level: ${level}`);
	// use large runners outside PRs where available (original repo)
	// disabled for now as this mostly just speeds up the test suite which is not a bottleneck
	// let large = ${{ github.event_name != 'pull_request' && github.repository == 'leanprover/lean4' }} ? "-large" : "";
	let matrix = [
	{
	// portable release build: use channel with older glibc (2.27)
	"name": "Linux LLVM",
	"os": "ubuntu-latest",
	"release": false,
	"check-level": 2,
	"shell": "nix develop .#oldGlibc -c bash -euxo pipefail {0}",
	"llvm-url": "https://github.com/leanprover/lean-llvm/releases/download/15.0.1/lean-llvm-x86_64-linux-gnu.tar.zst",
	"prepare-llvm": "../script/prepare-llvm-linux.sh lean-llvm*",
	"binary-check": "ldd -v",
	// foreign code may be linked against more recent glibc
	// reverse-ffi needs to be updated to link to LLVM libraries
	"CTEST_OPTIONS": "-E 'foreign\|leanlaketest_reverse-ffi'",
	"CMAKE_OPTIONS": "-DLLVM=ON -DLLVM_CONFIG=${GITHUB_WORKSPACE}/build/llvm-host/bin/llvm-config"
	},
	{
	"name": "Linux release",
	"os": "ubuntu-latest",
	"release": true,
	"check-level": 0,
	"shell": "nix develop .#oldGlibc -c bash -euxo pipefail {0}",
	"llvm-url": "https://github.com/leanprover/lean-llvm/releases/download/15.0.1/lean-llvm-x86_64-linux-gnu.tar.zst",
	"prepare-llvm": "../script/prepare-llvm-linux.sh lean-llvm*",
	"binary-check": "ldd -v",
	// foreign code may be linked against more recent glibc
	"CTEST_OPTIONS": "-E 'foreign'"
	},
	{
	"name": "Linux",
	"os": "ubuntu-latest",
	"check-stage3": level >= 2,
	"test-speedcenter": level >= 2,
	"check-level": 1,
	},
	{
	"name": "Linux Debug",
	"os": "ubuntu-latest",
	"check-level": 2,
	"CMAKE_PRESET": "debug",
	// exclude seriously slow tests
	"CTEST_OPTIONS": "-E 'interactivetest\|leanpkgtest\|laketest\|benchtest'"
	},
	// TODO: suddenly started failing in CI
	/*{
	"name": "Linux fsanitize",
	"os": "ubuntu-latest",
	"check-level": 2,
	// turn off custom allocator & symbolic functions to make LSAN do its magic
	"CMAKE_PRESET": "sanitize",
	// exclude seriously slow/problematic tests (laketests crash)
	"CTEST_OPTIONS": "-E 'interactivetest\|leanpkgtest\|laketest\|benchtest'"
	},*/
	{
	"name": "macOS",
	"os": "macos-13",
	"release": true,
	"check-level": 2,
	"shell": "bash -euxo pipefail {0}",
	"llvm-url": "https://github.com/leanprover/lean-llvm/releases/download/15.0.1/lean-llvm-x86_64-apple-darwin.tar.zst",
	"prepare-llvm": "../script/prepare-llvm-macos.sh lean-llvm*",
	"binary-check": "otool -L",
	"tar": "gtar" // https://github.com/actions/runner-images/issues/2619
	},
	{
	"name": "macOS aarch64",
	"os": "macos-13",
	"release": true,
	"check-level": 1,
	"cross": true,
	"cross_target": "aarch64-apple-darwin",
	"shell": "bash -euxo pipefail {0}",
	"CMAKE_OPTIONS": "-DUSE_GMP=OFF -DLEAN_INSTALL_SUFFIX=-darwin_aarch64",
	"llvm-url": "https://github.com/leanprover/lean-llvm/releases/download/15.0.1/lean-llvm-aarch64-apple-darwin.tar.zst https://github.com/leanprover/lean-llvm/releases/download/15.0.1/lean-llvm-x86_64-apple-darwin.tar.zst",
	"prepare-llvm": "../script/prepare-llvm-macos.sh lean-llvm-aarch64-* lean-llvm-x86_64-*",
	"binary-check": "otool -L",
	"tar": "gtar" // https://github.com/actions/runner-images/issues/2619
	},
	{
	"name": "Windows",
	"os": "windows-2022",
	"release": true,
	"check-level": 2,
	"shell": "msys2 {0}",
	"CMAKE_OPTIONS": "-G \"Unix Makefiles\" -DUSE_GMP=OFF",
	// for reasons unknown, interactivetests are flaky on Windows
	"CTEST_OPTIONS": "--repeat until-pass:2",
	"llvm-url": "https://github.com/leanprover/lean-llvm/releases/download/15.0.1/lean-llvm-x86_64-w64-windows-gnu.tar.zst",
	"prepare-llvm": "../script/prepare-llvm-mingw.sh lean-llvm*",
	"binary-check": "ldd"
	},
	{
	"name": "Linux aarch64",
	"os": "ubuntu-latest",
	"CMAKE_OPTIONS": "-DUSE_GMP=OFF -DLEAN_INSTALL_SUFFIX=-linux_aarch64",
	"release": true,
	"check-level": 2,
	"cross": true,
	"cross_target": "aarch64-unknown-linux-gnu",
	"shell": "nix develop .#oldGlibcAArch -c bash -euxo pipefail {0}",
	"llvm-url": "https://github.com/leanprover/lean-llvm/releases/download/15.0.1/lean-llvm-x86_64-linux-gnu.tar.zst https://github.com/leanprover/lean-llvm/releases/download/15.0.1/lean-llvm-aarch64-linux-gnu.tar.zst",
	"prepare-llvm": "../script/prepare-llvm-linux.sh lean-llvm-aarch64-* lean-llvm-x86_64-*"
	},
	{
	"name": "Linux 32bit",
	"os": "ubuntu-latest",
	// Use 32bit on stage0 and stage1 to keep oleans compatible
	"CMAKE_OPTIONS": "-DSTAGE0_USE_GMP=OFF -DSTAGE0_LEAN_EXTRA_CXX_FLAGS='-m32' -DSTAGE0_LEANC_OPTS='-m32' -DSTAGE0_MMAP=OFF -DUSE_GMP=OFF -DLEAN_EXTRA_CXX_FLAGS='-m32' -DLEANC_OPTS='-m32' -DMMAP=OFF -DLEAN_INSTALL_SUFFIX=-linux_x86",
	"cmultilib": true,
	"release": true,
	"check-level": 2,
	"cross": true,
	"shell": "bash -euxo pipefail {0}"
	},
	{
	"name": "Web Assembly",
	"os": "ubuntu-latest",
	// Build a native 32bit binary in stage0 and use it to compile the oleans and the wasm build
	"CMAKE_OPTIONS": "-DCMAKE_C_COMPILER_WORKS=1 -DSTAGE0_USE_GMP=OFF -DSTAGE0_LEAN_EXTRA_CXX_FLAGS='-m32' -DSTAGE0_LEANC_OPTS='-m32' -DSTAGE0_CMAKE_CXX_COMPILER=clang++ -DSTAGE0_CMAKE_C_COMPILER=clang -DSTAGE0_CMAKE_EXECUTABLE_SUFFIX=\"\" -DUSE_GMP=OFF -DMMAP=OFF -DSTAGE0_MMAP=OFF -DCMAKE_AR=../emsdk/emsdk-main/upstream/emscripten/emar -DCMAKE_TOOLCHAIN_FILE=../emsdk/emsdk-main/upstream/emscripten/cmake/Modules/Platform/Emscripten.cmake -DLEAN_INSTALL_SUFFIX=-linux_wasm32",
	"wasm": true,
	"cmultilib": true,
	"release": true,
	"check-level": 2,
	"cross": true,
	"shell": "bash -euxo pipefail {0}",
	// Just a few selected tests because wasm is slow
	"CTEST_OPTIONS": "-R \"leantest_1007\\.lean\|leantest_Format\\.lean\|leanruntest\\_1037.lean\|leanruntest_ac_rfl\\.lean\""
	}
	];
	console.log(`matrix:\n${JSON.stringify(matrix, null, 2)}`)
	return matrix.filter((job) => level >= job["check-level"])

	build:
	needs: [configure]
	if: github.event_name != 'schedule' \|\| github.repository == 'leanprover/lean4'
	strategy:
	matrix:
	include: ${{fromJson(needs.configure.outputs.matrix)}}
	# complete all jobs
	fail-fast: false
	runs-on: ${{ matrix.os }}
	defaults:
	run:
	shell: ${{ matrix.shell \|\| 'nix develop -c bash -euxo pipefail {0}' }}
	name: ${{ matrix.name }}
	env:
	# must be inside workspace
	CCACHE_DIR: ${{ github.workspace }}/.ccache
	CCACHE_COMPRESS: true
	# current cache limit
	CCACHE_MAXSIZE: 200M
	# squelch error message about missing nixpkgs channel
	NIX_BUILD_SHELL: bash
	LSAN_OPTIONS: max_leaks=10
	# somehow MinGW clang64 (or cmake?) defaults to `g++` even though it doesn't exist
	CXX: c++
	MACOSX_DEPLOYMENT_TARGET: 10.15
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	with:
	submodules: true
	# the default is to use a virtual merge commit between the PR and master: just use the PR
	ref: ${{ github.event.pull_request.head.sha }}
	- name: Install Nix
	uses: cachix/install-nix-action@v18
	with:
	install_url: https://releases.nixos.org/nix/nix-2.12.0/install
	if: runner.os == 'Linux' && !matrix.cmultilib
	- name: Install MSYS2
	uses: msys2/setup-msys2@v2
	with:
	msystem: clang64
	# `:p` means prefix with appropriate msystem prefix
	pacboy: "make python cmake:p clang:p ccache:p gmp:p git zip unzip diffutils binutils tree zstd:p tar"
	if: runner.os == 'Windows'
	- name: Install Brew Packages
	run: \|
	brew install ccache tree zstd coreutils gmp
	if: runner.os == 'macOS'
	- name: Setup emsdk
	uses: mymindstorm/setup-emsdk@v12
	with:
	version: 3.1.44
	actions-cache-folder: emsdk
	if: matrix.wasm
	- name: Install 32bit c libs
	run: \|
	sudo apt-get update
	sudo apt-get install -y gcc-multilib g++-multilib ccache
	if: matrix.cmultilib
	- name: Cache
	uses: actions/cache@v3
	with:
	path: .ccache
	key: ${{ matrix.name }}-build-v3-${{ github.sha }}
	# fall back to (latest) previous cache
	restore-keys: \|
	${{ matrix.name }}-build-v3
	- name: Setup
	run: \|
	# open nix-shell once for initial setup
	true
	if: runner.os == 'Linux'
	- name: Set up core dumps
	run: \|
	mkdir -p $PWD/coredumps
	# store in current directory, for easy uploading together with binary
	echo $PWD/coredumps/%e.%p.%t \| sudo tee /proc/sys/kernel/core_pattern
	if: runner.os == 'Linux'
	- name: Set up NPROC
	run: \|
	echo "NPROC=$(nproc 2>/dev/null \|\| sysctl -n hw.logicalcpu 2>/dev/null \|\| echo 4)" >> $GITHUB_ENV
	- name: Build
	run: \|
	mkdir build
	cd build
	ulimit -c unlimited # coredumps
	# arguments passed to `cmake`
	# this also enables githash embedding into stage 1 library
	OPTIONS=(-DCHECK_OLEAN_VERSION=ON)
	OPTIONS+=(-DLEAN_EXTRA_MAKE_OPTS=-DwarningAsError=true)
	if [[ -n '${{ matrix.cross_target }}' ]]; then
	# used by `prepare-llvm`
	export EXTRA_FLAGS=--target=${{ matrix.cross_target }}
	OPTIONS+=(-DLEAN_PLATFORM_TARGET=${{ matrix.cross_target }})
	fi
	if [[ -n '${{ matrix.prepare-llvm }}' ]]; then
	wget -q ${{ matrix.llvm-url }}
	PREPARE="$(${{ matrix.prepare-llvm }})"
	eval "OPTIONS+=($PREPARE)"
	fi
	if [[ -n '${{ matrix.release }}' && -n '${{ needs.configure.outputs.nightly }}' ]]; then
	OPTIONS+=(-DLEAN_SPECIAL_VERSION_DESC=${{ needs.configure.outputs.nightly }})
	fi
	if [[ -n '${{ matrix.release }}' && -n '${{ needs.configure.outputs.RELEASE_TAG }}' ]]; then
	OPTIONS+=(-DLEAN_VERSION_MAJOR=${{ needs.configure.outputs.LEAN_VERSION_MAJOR }})
	OPTIONS+=(-DLEAN_VERSION_MINOR=${{ needs.configure.outputs.LEAN_VERSION_MINOR }})
	OPTIONS+=(-DLEAN_VERSION_PATCH=${{ needs.configure.outputs.LEAN_VERSION_PATCH }})
	OPTIONS+=(-DLEAN_VERSION_IS_RELEASE=1)
	OPTIONS+=(-DLEAN_SPECIAL_VERSION_DESC=${{ needs.configure.outputs.LEAN_SPECIAL_VERSION_DESC }})
	fi
	# contortion to support empty OPTIONS with old macOS bash
	cmake .. --preset ${{ matrix.CMAKE_PRESET \|\| 'release' }} -B . ${{ matrix.CMAKE_OPTIONS }} ${OPTIONS[@]+"${OPTIONS[@]}"} -DLEAN_INSTALL_PREFIX=$PWD/..
	make -j$NPROC
	make install
	- name: Check Binaries
	run: ${{ matrix.binary-check }} lean-/bin/ \|\| true
	- name: List Install Tree
	run: \|
	# omit contents of Init/, ...
	tree --du -h lean-- \| grep -E ' (Init\|Lean\|Lake\|LICENSE\|[a-z])'
	- name: Pack
	run: \|
	dir=$(echo lean--)
	mkdir pack
	# high-compression tar.zst + zip for release, fast tar.zst otherwise
	if [[ '${{ startsWith(github.ref, 'refs/tags/') && matrix.release }}' == true \|\| -n '${{ needs.configure.outputs.nightly }}' \|\| -n '${{ needs.configure.outputs.RELEASE_TAG }}' ]]; then
	${{ matrix.tar \|\| 'tar' }} cf - $dir \| zstd -T0 --no-progress -19 -o pack/$dir.tar.zst
	zip -rq pack/$dir.zip $dir
	else
	${{ matrix.tar \|\| 'tar' }} cf - $dir \| zstd -T0 --no-progress -o pack/$dir.tar.zst
	fi
	- uses: actions/upload-artifact@v3
	if: matrix.release
	with:
	name: build-${{ matrix.name }}
	path: pack/*
	- name: Lean stats
	run: \|
	build/stage1/bin/lean --stats src/Lean.lean
	if: ${{ !matrix.cross }}
	- name: Test
	id: test
	run: \|
	ulimit -c unlimited # coredumps
	ctest --preset ${{ matrix.CMAKE_PRESET \|\| 'release' }} --test-dir build/stage1 -j$NPROC --output-junit test-results.xml ${{ matrix.CTEST_OPTIONS }}
	if: (matrix.wasm \|\| !matrix.cross) && needs.configure.outputs.check-level >= 1
	- name: Test Summary
	uses: test-summary/action@v2
	with:
	paths: build/stage1/test-results.xml
	# prefix `if` above with `always` so it's run even if tests failed
	if: always() && steps.test.conclusion != 'skipped'
	- name: Check Test Binary
	run: ${{ matrix.binary-check }} tests/compiler/534.lean.out
	if: (!matrix.cross) && steps.test.conclusion != 'skipped'
	- name: Build Stage 2
	run: \|
	ulimit -c unlimited # coredumps
	make -C build -j$NPROC stage2
	if: matrix.test-speedcenter
	- name: Check Stage 3
	run: \|
	ulimit -c unlimited # coredumps
	make -C build -j$NPROC stage3
	if: matrix.test-speedcenter
	- name: Test Speedcenter Benchmarks
	run: \|
	echo -1 \| sudo tee /proc/sys/kernel/perf_event_paranoid
	export BUILD=$PWD/build PATH=$PWD/build/stage1/bin:$PATH
	cd tests/bench
	nix shell .#temci -c temci exec --config speedcenter.yaml --included_blocks fast --runs 1
	if: matrix.test-speedcenter
	- name: Check rebootstrap
	run: \|
	ulimit -c unlimited # coredumps
	# clean rebuild in case of Makefile changes
	make -C build update-stage0 && rm -rf build/stage* && make -C build -j$NPROC
	if: matrix.name == 'Linux' && needs.configure.outputs.check-level >= 1
	- name: CCache stats
	run: ccache -s
	- name: Show stacktrace for coredumps
	if: ${{ failure() && runner.os == 'Linux' }}
	run: \|
	for c in coredumps/*; do
	progbin="$(file $c \| sed "s/.execfn: '$[^']$'.*/\1/")"
	echo bt \| $GDB/bin/gdb -q $progbin $c \|\| true
	done
	# has not been used in a long while, would need to be adapted to new
	# shared libs
	#- name: Upload coredumps
	# uses: actions/upload-artifact@v3
	# if: ${{ failure() && runner.os == 'Linux' }}
	# with:
	# name: coredumps-${{ matrix.name }}
	# path: \|
	# ./coredumps
	# ./build/stage0/bin/lean
	# ./build/stage0/lib/lean/libleanshared.so
	# ./build/stage1/bin/lean
	# ./build/stage1/lib/lean/libleanshared.so
	# ./build/stage2/bin/lean
	# ./build/stage2/lib/lean/libleanshared.so

	# This job collects results from all the matrix jobs
	# This can be made the “required” job, instead of listing each
	# matrix job separately
	all-done:
	name: Build matrix complete
	runs-on: ubuntu-latest
	needs: build
	# mark as merely cancelled not failed if builds are cancelled
	if: ${{ !cancelled() }}
	steps:
	- if: contains(needs.*.result, 'failure')
	uses: actions/github-script@v7
	with:
	script: \|
	core.setFailed('Some jobs failed')

	# This job creates releases from tags
	# (whether they are "unofficial" releases for experiments, or official releases when the tag is "v" followed by a semver string.)
	# We do not attempt to automatically construct a changelog here:
	# unofficial releases don't need them, and official release notes will be written by a human.
	release:
	if: startsWith(github.ref, 'refs/tags/')
	runs-on: ubuntu-latest
	needs: build
	steps:
	- uses: actions/download-artifact@v3
	with:
	path: artifacts
	- name: Release
	uses: softprops/action-gh-release@v1
	with:
	files: artifacts//
	fail_on_unmatched_files: true
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

	# This job creates nightly releases during the cron job.
	# It is responsible for creating the tag, and automatically generating a changelog.
	release-nightly:
	needs: [configure, build]
	if: needs.configure.outputs.nightly
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	with:
	# needed for tagging
	fetch-depth: 0
	token: ${{ secrets.PUSH_NIGHTLY_TOKEN }}
	- uses: actions/download-artifact@v3
	with:
	path: artifacts
	- name: Prepare Nightly Release
	run: \|
	git remote add nightly https://foo:'${{ secrets.PUSH_NIGHTLY_TOKEN }}'@github.com/${{ github.repository_owner }}/lean4-nightly.git
	git fetch nightly --tags
	git tag "${{ needs.configure.outputs.nightly }}"
	git push nightly "${{ needs.configure.outputs.nightly }}"
	git push -f origin refs/tags/${{ needs.configure.outputs.nightly }}:refs/heads/nightly
	last_tag="$(git log HEAD^ --simplify-by-decoration --pretty="format:%d" \| grep -o "nightly-[-0-9]*" \| head -n 1)"
	echo -e "Changes since ${last_tag}:\n\n" > diff.md
	git show "$last_tag":RELEASES.md > old.md
	#./script/diff_changelogs.py old.md doc/changes.md >> diff.md
	diff --changed-group-format='%>' --unchanged-group-format='' old.md RELEASES.md >> diff.md \|\| true
	echo -e "\nFull commit log\n" >> diff.md
	git log --oneline "$last_tag"..HEAD \| sed 's/^/* /' >> diff.md
	- name: Release Nightly
	uses: softprops/action-gh-release@v1
	with:
	body_path: diff.md
	prerelease: true
	files: artifacts//
	fail_on_unmatched_files: true
	tag_name: ${{ needs.configure.outputs.nightly }}
	repository: ${{ github.repository_owner }}/lean4-nightly
	env:
	GITHUB_TOKEN: ${{ secrets.PUSH_NIGHTLY_TOKEN }}

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perf: cache intermediate type class results and non-results #17248

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perf: cache intermediate type class results and non-results #17248

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