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feat: compile all native sources, add JMH benchmark and run-benchmark.bat
1 parent 0b46f5e commit f35a480

26 files changed

Lines changed: 1302 additions & 89 deletions

‎compile.bat‎

Lines changed: 57 additions & 89 deletions
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@echo off
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:: FastJava Native DLL Compiler Script
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:: Auto-detects Visual Studio and JAVA_HOME
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echo ========================================
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echo FastXXX Native Library Builder
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echo ========================================
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:: Configuration
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set LIB_NAME=fastXXX
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:: Try to find VS using vswhere.exe (most reliable)
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set "VSWHERE=%ProgramFiles(x86)%\Microsoft Visual Studio\Installer\vswhere.exe"
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if exist "%VSWHERE%" (
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for /f "usebackq tokens=*" %%i in (`"%VSWHERE%" -latest -products * -requires Microsoft.VisualStudio.Component.VC.Tools.x86.x64 -property installationPath`) do (
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set "VS_PATH=%%i"
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)
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)
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:: Fallback: Check standard paths if vswhere didn't work
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if not defined VS_PATH (
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if exist "C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Auxiliary\Build\vcvars64.bat" (
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set "VS_PATH=C:\Program Files\Microsoft Visual Studio\2022\Community"
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) else if exist "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat" (
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set "VS_PATH=C:\Program Files\Microsoft Visual Studio\2022\Enterprise"
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) else if exist "C:\Program Files\Microsoft Visual Studio\2022\Professional\VC\Auxiliary\Build\vcvars64.bat" (
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set "VS_PATH=C:\Program Files\Microsoft Visual Studio\2022\Professional"
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) else if exist "C:\Program Files (x86)\Microsoft Visual Studio\2022\BuildTools\VC\Auxiliary\Build\vcvars64.bat" (
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set "VS_PATH=C:\Program Files (x86)\Microsoft Visual Studio\2022\BuildTools"
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) else if exist "C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Auxiliary\Build\vcvars64.bat" (
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set "VS_PATH=C:\Program Files (x86)\Microsoft Visual Studio\2019\Community"
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)
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)
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if not defined VS_PATH (
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echo ERROR: Visual Studio not found!
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echo Please install Visual Studio 2019 or 2022 with "Desktop development with C++"
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exit /b 1
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)
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echo Found Visual Studio at: %VS_PATH%
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:: Try to detect JAVA_HOME if not set
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if not defined JAVA_HOME (
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if exist "C:\Program Files\Java\jdk-25" (
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set "JAVA_HOME=C:\Program Files\Java\jdk-25"
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) else if exist "C:\Program Files\Eclipse Adoptium\jdk-17-hotspot" (
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set "JAVA_HOME=C:\Program Files\Eclipse Adoptium\jdk-17-hotspot"
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) else if exist "C:\Program Files\Java\jdk-17" (
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set "JAVA_HOME=C:\Program Files\Java\jdk-17"
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)
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)
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if not defined JAVA_HOME (
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echo ERROR: JAVA_HOME not set!
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exit /b 1
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)
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echo Using JAVA_HOME: %JAVA_HOME%
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:: Setup environment
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call "%VS_PATH%\VC\Auxiliary\Build\vcvars64.bat"
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:: Create build directory
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if not exist build mkdir build
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:: Compile C++ source
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cl.exe /O2 /W3 /MD /EHsc /LD ^
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/I "%JAVA_HOME%\include" ^
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/I "%JAVA_HOME%\include\win32" ^
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/Fo:build\ ^
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/Fe:build\%LIB_NAME%.dll ^
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native\*.cpp ^
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user32.lib gdi32.lib shcore.lib advapi32.lib dwmapi.lib ^
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/link /DLL /MACHINE:X64 /DEF:native\%LIB_NAME%.def
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if %ERRORLEVEL% == 0 (
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echo.
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echo [SUCCESS] DLL built at: build\%LIB_NAME%.dll
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:: Optional: copy to resources if needed
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:: copy build\%LIB_NAME%.dll src\main\resources\native\
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) else (
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echo.
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echo [FAILED] Compilation failed.
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exit /b 1
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)
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echo.
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pause
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@echo off
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chcp 65001 > nul
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cd /d "%~dp0"
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echo ========================================
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echo Compiling FastHardware Native Library
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echo ========================================
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set "VSWHERE=%ProgramFiles(x86)%\Microsoft Visual Studio\Installer\vswhere.exe"
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if exist "%VSWHERE%" (
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for /f "usebackq tokens=*" %%i in (`"%VSWHERE%" -latest -products * -requires Microsoft.VisualStudio.Component.VC.Tools.x86.x64 -property installationPath`) do (
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set "VS_PATH=%%i"
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)
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)
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if not defined VS_PATH (
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echo ERROR: Visual Studio not found!
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pause
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exit /b 1
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)
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if not defined JAVA_HOME (
23+
if exist "C:\Program Files\Java\jdk-26.0.2.1" (
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set "JAVA_HOME=C:\Program Files\Java\jdk-26.0.2.1"
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) else if exist "C:\Program Files\Java\jdk-25" (
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set "JAVA_HOME=C:\Program Files\Java\jdk-25"
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) else if exist "C:\Program Files\Java\jdk-17" (
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set "JAVA_HOME=C:\Program Files\Java\jdk-17"
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)
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)
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echo Visual Studio: %VS_PATH%
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echo JAVA_HOME: %JAVA_HOME%
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call "%VS_PATH%\VC\Auxiliary\Build\vcvars64.bat"
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if not exist build mkdir build
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if not exist "src\main\resources\native" mkdir "src\main\resources\native"
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cl.exe /O2 /W3 /MD /EHsc /LD ^
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/I "%JAVA_HOME%\include" ^
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/I "%JAVA_HOME%\include\win32" ^
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/I "native\include" ^
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/Fo:build\ ^
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/Fe:build\fasthardware.dll ^
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native\src\*.cpp ^
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pdh.lib user32.lib gdi32.lib advapi32.lib wbemuuid.lib ole32.lib oleaut32.lib ^
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/link /DLL /MACHINE:X64
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if %ERRORLEVEL% equ 0 (
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copy /Y build\fasthardware.dll src\main\resources\native\fasthardware.dll
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echo [SUCCESS] fasthardware.dll compiled and copied to src\main\resources\native\
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) else (
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echo [ERROR] Compilation failed!
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pause
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exit /b 1
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)

‎examples/Benchmark/dependency-reduced-pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>fasthardware.benchmark</groupId>
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<artifactId>fasthardware-benchmark</artifactId>
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<version>0.1.0</version>
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<build>
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<plugins>
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<plugin>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.11.0</version>
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<configuration>
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<source>17</source>
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<target>17</target>
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<annotationProcessorPaths>
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<path>
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<groupId>org.openjdk.jmh</groupId>
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<artifactId>jmh-generator-annprocess</artifactId>
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<version>${jmh.version}</version>
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</path>
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</annotationProcessorPaths>
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</configuration>
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</plugin>
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<plugin>
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<artifactId>maven-shade-plugin</artifactId>
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<version>3.5.0</version>
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<executions>
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<execution>
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<phase>package</phase>
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<goals>
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<goal>shade</goal>
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</goals>
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<configuration>
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<finalName>${uberjar.name}</finalName>
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<transformers>
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<transformer>
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<mainClass>org.openjdk.jmh.Main</mainClass>
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</transformer>
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</transformers>
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<filters>
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<filter>
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<artifact>*:*</artifact>
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<excludes>
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<exclude>META-INF/*.SF</exclude>
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<exclude>META-INF/*.DSA</exclude>
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<exclude>META-INF/*.RSA</exclude>
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</excludes>
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</filter>
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</filters>
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</configuration>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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<repositories>
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<repository>
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<id>jitpack.io</id>
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<url>https://jitpack.io</url>
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</repository>
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</repositories>
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<dependencies>
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<dependency>
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<groupId>org.openjdk.jmh</groupId>
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<artifactId>jmh-generator-annprocess</artifactId>
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<version>1.37</version>
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<scope>provided</scope>
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</dependency>
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</dependencies>
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<properties>
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<jmh.version>1.37</jmh.version>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<maven.compiler.target>17</maven.compiler.target>
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<uberjar.name>benchmarks</uberjar.name>
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<maven.compiler.source>17</maven.compiler.source>
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</properties>
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</project>

‎examples/Benchmark/pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>fasthardware.benchmark</groupId>
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<artifactId>fasthardware-benchmark</artifactId>
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<version>0.1.0</version>
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<properties>
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<maven.compiler.source>17</maven.compiler.source>
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<maven.compiler.target>17</maven.compiler.target>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<jmh.version>1.37</jmh.version>
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<uberjar.name>benchmarks</uberjar.name>
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</properties>
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<repositories>
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<repository>
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<id>jitpack.io</id>
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<url>https://jitpack.io</url>
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</repository>
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</repositories>
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<dependencies>
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<dependency>
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<groupId>com.github.andrestubbe</groupId>
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<artifactId>FastHardware</artifactId>
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<version>0.1.0</version>
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</dependency>
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<dependency>
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<groupId>com.github.andrestubbe</groupId>
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<artifactId>FastCore</artifactId>
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<version>main-SNAPSHOT</version>
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</dependency>
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<dependency>
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<groupId>org.openjdk.jmh</groupId>
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<artifactId>jmh-core</artifactId>
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<version>${jmh.version}</version>
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</dependency>
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<dependency>
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<groupId>org.openjdk.jmh</groupId>
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<artifactId>jmh-generator-annprocess</artifactId>
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<version>${jmh.version}</version>
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<scope>provided</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.11.0</version>
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<configuration>
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<source>17</source>
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<target>17</target>
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<annotationProcessorPaths>
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<path>
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<groupId>org.openjdk.jmh</groupId>
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<artifactId>jmh-generator-annprocess</artifactId>
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<version>${jmh.version}</version>
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</path>
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</annotationProcessorPaths>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-shade-plugin</artifactId>
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<version>3.5.0</version>
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<executions>
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<execution>
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<phase>package</phase>
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<goals>
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<goal>shade</goal>
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</goals>
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<configuration>
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<finalName>${uberjar.name}</finalName>
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<transformers>
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<transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
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<mainClass>org.openjdk.jmh.Main</mainClass>
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</transformer>
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</transformers>
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<filters>
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<filter>
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<artifact>*:*</artifact>
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<excludes>
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<exclude>META-INF/*.SF</exclude>
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<exclude>META-INF/*.DSA</exclude>
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<exclude>META-INF/*.RSA</exclude>
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</excludes>
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</filter>
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</filters>
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</configuration>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</project>

‎examples/Benchmark/src/main/java/fasthardware/benchmark/Benchmark.java‎

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package fasthardware.benchmark;
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import fasthardware.FastHardware;
4+
import org.openjdk.jmh.annotations.*;
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import java.util.concurrent.TimeUnit;
7+
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@BenchmarkMode(Mode.Throughput)
9+
@OutputTimeUnit(TimeUnit.MILLISECONDS)
10+
@State(Scope.Benchmark)
11+
@Warmup(iterations = 2, time = 1, timeUnit = TimeUnit.SECONDS)
12+
@Measurement(iterations = 3, time = 1, timeUnit = TimeUnit.SECONDS)
13+
@Fork(1)
14+
public class Benchmark {
15+
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private FastHardware hardware;
17+
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@Setup
19+
public void setup() {
20+
try {
21+
hardware = FastHardware.create();
22+
} catch (Exception e) {
23+
hardware = null;
24+
}
25+
}
26+
27+
@org.openjdk.jmh.annotations.Benchmark
28+
public long benchmarkGetFreeMemory() {
29+
if (hardware != null) {
30+
return hardware.getFreeMemoryBytes();
31+
}
32+
return 0L;
33+
}
34+
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@org.openjdk.jmh.annotations.Benchmark
36+
public double benchmarkGetGlobalCpuUsage() {
37+
if (hardware != null) {
38+
return hardware.getGlobalCpuUsage();
39+
}
40+
return 0.0;
41+
}
42+
}

‎examples/Benchmark/target/benchmarks.jar‎

2.77 MB
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‎examples/Benchmark/target/classes/META-INF/BenchmarkList‎

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JMH S 32 fasthardware.benchmark.Benchmark S 77 fasthardware.benchmark.jmh_generated.Benchmark_benchmarkGetFreeMemory_jmhTest S 22 benchmarkGetFreeMemory S 10 Throughput E A 1 1 1 E I 1 2 T 3 1 s E I 1 3 T 3 1 s E I 1 1 E E E E E E U 12 MILLISECONDS E E
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JMH S 32 fasthardware.benchmark.Benchmark S 81 fasthardware.benchmark.jmh_generated.Benchmark_benchmarkGetGlobalCpuUsage_jmhTest S 26 benchmarkGetGlobalCpuUsage S 10 Throughput E A 1 1 1 E I 1 2 T 3 1 s E I 1 3 T 3 1 s E I 1 1 E E E E E E U 12 MILLISECONDS E E

‎examples/Benchmark/target/classes/META-INF/CompilerHints‎

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dontinline,*.*_all_jmhStub
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dontinline,*.*_avgt_jmhStub
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dontinline,*.*_sample_jmhStub
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dontinline,*.*_ss_jmhStub
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dontinline,*.*_thrpt_jmhStub
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inline,fasthardware/benchmark/Benchmark.benchmarkGetFreeMemory
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inline,fasthardware/benchmark/Benchmark.benchmarkGetGlobalCpuUsage
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inline,fasthardware/benchmark/Benchmark.setup

‎examples/Benchmark/target/classes/fasthardware/benchmark/Benchmark.class‎

1.61 KB
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‎examples/Benchmark/target/classes/fasthardware/benchmark/jmh_generated/Benchmark_benchmarkGetFreeMemory_jmhTest.class‎

15.5 KB
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‎examples/Benchmark/target/classes/fasthardware/benchmark/jmh_generated/Benchmark_benchmarkGetGlobalCpuUsage_jmhTest.class‎

15.5 KB
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