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ahoppenahoppen
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WIP: Performance testing
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‎.github/workflows/pull_request.yml

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@@ -9,14 +9,75 @@ concurrency:
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cancel-in-progress: true
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jobs:
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tests:
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name: Test
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uses: swiftlang/github-workflows/.github/workflows/swift_package_test.yml@main
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with:
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linux_exclude_swift_versions: "[{\"swift_version\": \"5.8\"}]"
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soundness:
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name: Soundness
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uses: swiftlang/github-workflows/.github/workflows/soundness.yml@main
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with:
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license_header_check_project_name: "Swift.org"
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api_breakage_check_allowlist_path: "api-breakages.txt"
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# tests:
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# name: Test
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# uses: swiftlang/github-workflows/.github/workflows/swift_package_test.yml@main
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# with:
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# linux_exclude_swift_versions: "[{\"swift_version\": \"5.8\"}]"
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# soundness:
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# name: Soundness
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# uses: swiftlang/github-workflows/.github/workflows/soundness.yml@main
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# with:
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# license_header_check_project_name: "Swift.org"
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# api_breakage_check_allowlist_path: "api-breakages.txt"
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performance_test:
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name: Performance test
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runs-on: ubuntu-latest
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container:
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image: swift:latest
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steps:
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# - name: Install libjemalloc-dev
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# run: apt-get update && apt-get install -y libjemalloc-dev
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# - name: Checkout repository
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# uses: actions/checkout@v4
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# with:
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# fetch-depth: 0
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# - name: Mark the workspace as safe
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# # https://github.com/actions/checkout/issues/766
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# run: git config --global --add safe.directory ${GITHUB_WORKSPACE}
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# - name: Measure base branch performance
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# run: |
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# git checkout ${{ github.base_ref }}
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# swift package --package-path Benchmarks/ --allow-writing-to-directory Benchmarks/.benchmarkBaselines/ benchmark baseline update "${{ github.base_ref }}"
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# - name: Measure PR performance
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# run: |
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# git checkout ${{ github.head_ref }}
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# swift package --package-path Benchmarks/ --allow-writing-to-directory Benchmarks/.benchmarkBaselines/ benchmark baseline update "${{ github.head_ref }}"
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# - name: Compare performance measurements
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# id: compare_performance
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# run: |
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# if ! swift package --package-path Benchmarks benchmark baseline check "${{ github.base_ref }}" "${{ github.head_ref }}" > /tmp/comparison.md; then
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# echo "has_significant_changes=true" >> "$GITHUB_OUTPUT"
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# else
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# echo "has_significant_changes=false" >> "$GITHUB_OUTPUT"
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# fi
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- name: Install gh
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# if: ${{ steps.compare_performance.outputs.has_significant_changes == 'true' }}
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# Installation instructions from https://github.com/cli/cli/blob/trunk/docs/install_linux.md#debian-ubuntu-linux-raspberry-pi-os-apt
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run: |
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(type -p wget >/dev/null || (apt update && apt-get install wget -y)) \
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&& mkdir -p -m 755 /etc/apt/keyrings \
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&& out=$(mktemp) && wget -nv -O$out https://cli.github.com/packages/githubcli-archive-keyring.gpg \
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&& cat $out | tee /etc/apt/keyrings/githubcli-archive-keyring.gpg > /dev/null \
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&& chmod go+r /etc/apt/keyrings/githubcli-archive-keyring.gpg \
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&& echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/githubcli-archive-keyring.gpg] https://cli.github.com/packages stable main" | tee /etc/apt/sources.list.d/github-cli.list > /dev/null \
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&& apt update \
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&& apt install gh -y
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- name: Post comment
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# if: ${{ steps.compare_performance.outputs.has_significant_changes == 'true' }}
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env:
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GH_TOKEN: ${{ github.token }}
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run: |
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COMMENT="Test"
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gh pr comment ${{ github.event.number }} --body "$COMMENT"
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# # JSON_BODY=$(cat /tmp/comparison.md | jq -Rsa)
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# JSON_BODY=$(echo "Test" | jq -Rsa)
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# curl -L \
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# -X POST \
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# -H "Accept: application/vnd.github+json" \
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# -H "Authorization: Bearer ${{ github.token }}" \
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# -H "X-GitHub-Api-Version: 2022-11-28" \
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# https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.number }}/comments \
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# -d '{"body": $JSON_BODY}'
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‎Benchmarks/.gitignore

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.DS_Store
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/.build
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/Packages
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xcuserdata/
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DerivedData/
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.swiftpm/configuration/registries.json
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.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata
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.netrc

‎Benchmarks/.vscode/launch.json

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{
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"configurations": [
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{
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"type": "swift",
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"request": "launch",
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"args": [],
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"cwd": "${workspaceFolder:Benchmarks}",
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"name": "Debug Benchmarks",
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"program": "${workspaceFolder:Benchmarks}/.build/debug/Benchmarks",
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"preLaunchTask": "swift: Build Debug Benchmarks"
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},
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{
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"type": "swift",
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"request": "launch",
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"args": [],
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"cwd": "${workspaceFolder:Benchmarks}",
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"name": "Release Benchmarks",
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"program": "${workspaceFolder:Benchmarks}/.build/release/Benchmarks",
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"preLaunchTask": "swift: Build Release Benchmarks"
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},
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{
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"type": "swift",
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"request": "launch",
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"args": [],
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"cwd": "${workspaceFolder:Benchmarks}",
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"name": "Debug MyBenchmark",
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"program": "${workspaceFolder:Benchmarks}/.build/debug/MyBenchmark",
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"preLaunchTask": "swift: Build Debug MyBenchmark"
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},
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{
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"type": "swift",
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"request": "launch",
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"args": [],
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"cwd": "${workspaceFolder:Benchmarks}",
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"name": "Release MyBenchmark",
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"program": "${workspaceFolder:Benchmarks}/.build/release/MyBenchmark",
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"preLaunchTask": "swift: Build Release MyBenchmark"
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}
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]
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}

‎Benchmarks/Benchmarks/MyBenchmark/Benchmark.swift

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import Benchmark
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import Foundation
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let benchmarks: @Sendable () -> Void = {
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let configuration = Benchmark.Configuration(
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metrics: [.instructions],
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thresholds: [.instructions: BenchmarkThresholds(relative: [.p25: 0.5, .p50: 0.5, .p75: 0.5, .p90: 0.5])]
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)
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Benchmark(
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"Fibonacci computation",
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configuration: configuration
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) { benchmark in
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blackHole(fibonacci(30))
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}
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}
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func fibonacci(_ x: Int) -> Int {
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if x <= 0 {
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return 0
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}
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if x == 1 {
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return 1
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}
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return fibonacci(x - 2) + fibonacci(x - 1)
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}

‎Benchmarks/Package.swift

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// swift-tools-version: 5.8
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//===----------------------------------------------------------------------===//
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//
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// This source file is part of the SwiftCertificates open source project
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//
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// Copyright (c) 2023 Apple Inc. and the SwiftCertificates project authors
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// Licensed under Apache License v2.0
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//
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// See LICENSE.txt for license information
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// See CONTRIBUTORS.txt for the list of SwiftCertificates project authors
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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//===----------------------------------------------------------------------===//
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import PackageDescription
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let package = Package(
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name: "benchmarks",
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platforms: [
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.macOS(.v13)
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],
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dependencies: [
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// .package(name: "swift-format", path: "../"),
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.package(url: "https://github.com/ordo-one/package-benchmark.git", from: "1.11.1"),
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],
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targets: [
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.executableTarget(
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name: "MyBenchmark",
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dependencies: [
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.product(name: "Benchmark", package: "package-benchmark"),
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// .product(name: "SwiftFormat", package: "swift-format"),
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],
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path: "Benchmarks/MyBenchmark",
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plugins: [
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.plugin(name: "BenchmarkPlugin", package: "package-benchmark")
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]
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)
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]
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)

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