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Hidetomo Katsura
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add ci and release
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‎.github/workflows/ci.yml‎

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name: CI
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on:
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push:
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branches: [main]
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pull_request:
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branches: [main]
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jobs:
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build-and-test:
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runs-on: macos-latest
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steps:
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- uses: actions/checkout@v5
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- name: Select Xcode version 26.3
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run: |
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sudo xcode-select --switch /Applications/Xcode_26.3.app
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- name: Build
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run: |
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xcodebuild build \
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-project AmorphousMemoryMark/AmorphousMemoryMark.xcodeproj \
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-scheme AmorphousMemoryMark \
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-destination 'platform=macOS' \
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CODE_SIGN_IDENTITY="-" \
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CODE_SIGNING_REQUIRED=NO \
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CODE_SIGNING_ALLOWED=NO
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- name: Test
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run: |
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xcodebuild test \
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-project AmorphousMemoryMark/AmorphousMemoryMark.xcodeproj \
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-scheme AmorphousMemoryMark \
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-destination 'platform=macOS' \
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CODE_SIGN_IDENTITY="-" \
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CODE_SIGNING_REQUIRED=NO \
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CODE_SIGNING_ALLOWED=NO

‎.github/workflows/release.yml‎

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name: Release to App Store Connect
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on:
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release:
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types: [published]
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jobs:
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upload:
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runs-on: macos-latest
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timeout-minutes: 30
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env:
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SCHEME: AmorphousMemoryMark
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PROJECT: AmorphousMemoryMark/AmorphousMemoryMark.xcodeproj
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steps:
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- uses: actions/checkout@v5
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- name: Select Xcode version 26.3
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run: |
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ls -ldT /Applications/Xcode*
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sudo xcode-select --switch /Applications/Xcode_26.3.app
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# --- Version from tag ---
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- name: Set version from tag
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run: |
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VERSION="${GITHUB_REF_NAME#v}"
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VERSION="${VERSION%-rc*}"
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echo "VERSION=$VERSION" >> "$GITHUB_ENV"
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- name: Stamp version into Info.plist
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run: |
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PLIST="AmorphousMemoryMark/AmorphousMemoryMark/Info.plist"
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BUNDLE_VERSION=`expr $GITHUB_RUN_NUMBER + 27`
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/usr/libexec/PlistBuddy -c "Set :CFBundleShortVersionString $VERSION" "$PLIST"
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/usr/libexec/PlistBuddy -c "Set :CFBundleVersion $BUNDLE_VERSION" "$PLIST"
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# --- Signing ---
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- name: Install certificate and provisioning profile
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env:
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CERTIFICATE_BASE64: ${{ secrets.TWO_CERTS_BASE64 }}
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CERTIFICATE_PASSWORD: ${{ secrets.TWO_CERTS_PASSWORD }}
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PROVISIONING_PROFILE_BASE64: ${{ secrets.PROVISIONING_PROFILE_BASE64 }}
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run: |
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CERT_PATH="$RUNNER_TEMP/certs.p12"
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PP_PATH="$RUNNER_TEMP/profile.provisionprofile"
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KEYCHAIN_PATH="$RUNNER_TEMP/signing.keychain-db"
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echo -n "$CERTIFICATE_BASE64" | base64 --decode -o "$CERT_PATH"
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echo -n "$PROVISIONING_PROFILE_BASE64" | base64 --decode -o "$PP_PATH"
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security create-keychain -p "" "$KEYCHAIN_PATH"
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security set-keychain-settings -lut 21600 "$KEYCHAIN_PATH"
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security unlock-keychain -p "" "$KEYCHAIN_PATH"
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security import "$CERT_PATH" -P "$CERTIFICATE_PASSWORD" \
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-A -t cert -f pkcs12 -k "$KEYCHAIN_PATH"
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security set-key-partition-list -S apple-tool:,apple: \
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-k "" "$KEYCHAIN_PATH"
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security list-keychains -d user -s "$KEYCHAIN_PATH"
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security find-identity -v
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mkdir -p ~/Library/MobileDevice/Provisioning\ Profiles
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cp "$PP_PATH" ~/Library/MobileDevice/Provisioning\ Profiles/
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# --- Install API key ---
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- name: Install App Store Connect API key
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env:
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ASC_KEY_BASE64: ${{ secrets.ASC_KEY_BASE64 }}
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ASC_KEY_ID: ${{ secrets.ASC_KEY_ID }}
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run: |
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mkdir -p ~/.private_keys
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echo -n "$ASC_KEY_BASE64" | base64 --decode \
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-o ~/.private_keys/AuthKey_${ASC_KEY_ID}.p8
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# --- Archive ---
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- name: Archive
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run: |
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xcodebuild archive \
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-project "$PROJECT" \
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-scheme "$SCHEME" \
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-destination 'generic/platform=macOS' \
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-configuration Release \
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-archivePath "$RUNNER_TEMP/App.xcarchive" \
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CODE_SIGN_STYLE=Manual \
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CODE_SIGN_IDENTITY="Apple Distribution"
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# --- Export and upload in one step ---
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- name: Export and upload to App Store Connect
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run: |
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xcodebuild -exportArchive \
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-archivePath "$RUNNER_TEMP/App.xcarchive" \
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-exportOptionsPlist AmorphousMemoryMark/ExportOptions.plist \
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-exportPath "$RUNNER_TEMP/export" \
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-authenticationKeyPath ~/.private_keys/AuthKey_${{ secrets.ASC_KEY_ID }}.p8 \
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-authenticationKeyID ${{ secrets.ASC_KEY_ID }} \
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-authenticationKeyIssuerID ${{ secrets.ASC_ISSUER_ID }} \
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-allowProvisioningUpdates
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# --- Cleanup ---
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- name: Clean up keychain
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if: always()
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run: security delete-keychain "$RUNNER_TEMP/signing.keychain-db" || true

‎AmorphousMemoryMark/ExportOptions.plist‎

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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>method</key>
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<string>app-store-connect</string>
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<key>destination</key>
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<string>upload</string>
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<key>teamID</key>
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<string>4G5652JFRC</string>
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<key>signingStyle</key>
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<string>manual</string>
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<key>installerSigningCertificate</key>
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<string>3rd Party Mac Developer Installer</string>
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<key>signingCertificate</key>
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<string>Apple Distribution</string>
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<key>provisioningProfiles</key>
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<dict>
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<key>com.katsurashareware.AmorphousMemoryMark</key>
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<string>com.katsurashareware.AmorphousMemoryMark</string>
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</dict>
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<key>generateAppStoreInformation</key>
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<true/>
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<key>uploadSymbols</key>
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<true/>
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<key>uploadBitcode</key>
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<false/>
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</dict>
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</plist>

‎README.md‎

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# AmorphousMemoryMark
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AmorphousMemoryMark
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A macOS memory benchmark tool that measures read/write performance in GB/s.
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[![Download on the Mac App Store](https://developer.apple.com/app-store/marketing/guidelines/images/badge-download-on-the-mac-app-store.svg)](https://apps.apple.com/us/app/amorphousmemorymark/id1495719766)
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## Features
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- **Sequential benchmarks:** 1 MiB block reads/writes, single-thread (T=1) and multi-thread (T up to 64)
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- **Random benchmarks:** 4 KiB block reads/writes, single-thread (T=1) and multi-thread (T up to 64)
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- **Flexible test parameters:** configurable iteration count, test data (random/zero), measurement size (128 MiB – 64 GiB), and interval (0 s – 10 s)
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- **Tooltip:** shows results in GB/s
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- **Copy-pasteable results:** export measurements as formatted plain text
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## Example Output
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```
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Sequential Read 128KiB (T= 8) : 18.95 GB/s (memmove)
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Sequential Write 128KiB (T= 8) : 23.79 GB/s (bzero)
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Random Read 4KiB (T= 8) : 20.04 GB/s (memmove)
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Random Write 4KiB (T= 8) : 11.09 GB/s (bzero)
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Sequential Read 1MiB (T=1) : 10.06 GB/s (memmove)
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Sequential Write 1MiB (T=1) : 16.37 GB/s (bzero)
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Random Read 4KiB (T=1) : 10.33 GB/s (memmove)
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Random Write 4KiB (T=1) : 7.85 GB/s (bzero)
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Sequential Read 128KiB (T= 8) : 19.09 GB/s (rep movsb)
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Sequential Write 128KiB (T= 8) : 23.88 GB/s (rep stosb)
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Random Read 4KiB (T= 8) : 19.99 GB/s (rep movsb)
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Random Write 4KiB (T= 8) : 23.08 GB/s (rep stosb)
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Sequential Read 1MiB (T=1) : 10.34 GB/s (rep movsb)
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Sequential Write 1MiB (T=1) : 16.58 GB/s (rep stosb)
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Random Read 4KiB (T=1) : 10.06 GB/s (rep movsb)
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Random Write 4KiB (T=1) : 11.25 GB/s (rep stosb)
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Sequential Read 128KiB (T= 8) : 19.99 GB/s (temporal)
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Sequential Write 128KiB (T= 8) : 10.97 GB/s (temporal)
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Random Read 4KiB (T= 8) : 19.81 GB/s (temporal)
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Random Write 4KiB (T= 8) : 11.22 GB/s (temporal)
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Sequential Read 1MiB (T=1) : 14.28 GB/s (temporal)
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Sequential Write 1MiB (T=1) : 8.71 GB/s (temporal)
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Random Read 4KiB (T=1) : 10.43 GB/s (temporal)
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Random Write 4KiB (T=1) : 7.90 GB/s (temporal)
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Sequential Read 128KiB (T= 8) : 19.96 GB/s (non-temporal)
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Sequential Write 128KiB (T= 8) : 22.12 GB/s (non-temporal)
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Random Read 4KiB (T= 8) : 20.21 GB/s (non-temporal)
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Random Write 4KiB (T= 8) : 22.30 GB/s (non-temporal)
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Sequential Read 1MiB (T=1) : 14.07 GB/s (non-temporal)
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Sequential Write 1MiB (T=1) : 19.27 GB/s (non-temporal)
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Random Read 4KiB (T=1) : 10.30 GB/s (non-temporal)
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Random Write 4KiB (T=1) : 14.90 GB/s (non-temporal)
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```
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## Requirements
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- macOS 10.9.5 or later
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- Xcode (to build from source)
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## Building
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Open `AmorphousMemoryMark/AmorphousMemoryMark.xcodeproj` in Xcode and build the scheme. The app is sandboxed.
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## Architecture
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The codebase is Objective-C, structured around a few key components:
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| File | Role |
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|---|---|
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| `AppDelegate` | Main UI controller — handles toolbar actions, test size selection, test orchestration |
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| `memmark` | Core memory benchmark engine |
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| `memento` | memory info utilities |
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| `DiskMark` | manages threaded I/O with configurable block size, threads, and duration |
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| `DiskUtil` | human readable size string utility |
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| `DMTextView` | Custom text view with logarithmic bar graph rendering (matching CrystalDiskMark's visual style) |
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| `DMButton` / `DMButtonCell` | Custom button with dark mode support |
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| `DMMediaIcon` | Resolves storage device icons from IOKit kernel extension bundles |
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| `LinkTextField` | Clickable URL text field |
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### How benchmarking works
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AmorphousMemoryMark spawns threads to perform I/O against a temporary file on the target volume.
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## Usage
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1. Click **All** (or an individual test button).
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2. When finished, press ⌘S to save a screenshot, or copy the plain-text results.
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## License
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MIT License. See [LICENSE](LICENSE) for details.
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UI design used with permission from the author of CrystalDiskMark.
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## Links
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- [Katsura Shareware](https://katsurashareware.com/)
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- [CrystalDiskMark](http://crystalmark.info/)

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