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package com.mbien.opencl.util;
import com.mbien.opencl.CL;
import com.mbien.opencl.CLDevice;
import com.mbien.opencl.CLPlatform;
import java.nio.ByteBuffer;
import java.util.Arrays;
import java.util.LinkedHashMap;
import java.util.Map;
/**
*
* @author Michael Bien
*/
public class CLUtil {
public static String clString2JavaString(byte[] chars, int clLength) {
return clLength==0 ? "" : new String(chars, 0, clLength-1);
}
public static String clString2JavaString(ByteBuffer chars, int clLength) {
if (clLength==0) {
return "";
}else{
byte[] array = new byte[clLength-1]; // last char is always null
chars.get(array).rewind();
return new String(array, 0, clLength-1);
}
}
/**
* Returns true if clBoolean == CL.CL_TRUE.
*/
public static boolean clBoolean(int clBoolean) {
return clBoolean == CL.CL_TRUE;
}
/**
* Returns b ? CL.CL_TRUE : CL.CL_FALSE
*/
public static int clBoolean(boolean b) {
return b ? CL.CL_TRUE : CL.CL_FALSE;
}
public static Map<String, String> obtainPlatformProperties(CLPlatform platform) {
Map<String, String> map = new LinkedHashMap<String, String>();
map.put("CL_PLATFORM_NAME", platform.getName());
map.put("CL_PLATFORM_PROFILE", platform.getProfile());
map.put("CL_PLATFORM_VERSION", platform.getVersion());
map.put("CL_PLATFORM_VENDOR", platform.getVendor());
map.put("CL_PLATFORM_EXTENSIONS", platform.getExtensions().toString());
// map.put("fastest device (estimated)", platform.getMaxFlopsDevice().toString());
return map;
}
public static Map<String, String> obtainDeviceProperties(CLDevice dev) {
Map<String, String> map = new LinkedHashMap<String, String>();
map.put("CL_DEVICE_NAME", dev.getName());
map.put("CL_DEVICE_PROFILE", dev.getProfile());
map.put("CL_DEVICE_VENDOR", dev.getVendor());
map.put("CL_DEVICE_VENDOR_ID", dev.getVendorID()+"");
map.put("CL_DEVICE_VERSION", dev.getVersion());
map.put("CL_DRIVER_VERSION", dev.getDriverVersion());
map.put("CL_DEVICE_TYPE", dev.getType().toString());
map.put("CL_DEVICE_GLOBAL_MEM_SIZE", dev.getGlobalMemSize()/(1024*1024)+" MB");
map.put("CL_DEVICE_MAX_MEM_ALLOC_SIZE", dev.getMaxMemAllocSize()/(1024*1024)+" MB");
map.put("CL_DEVICE_MAX_PARAMETER_SIZE", dev.getMaxParameterSize()+" Byte");
map.put("CL_DEVICE_LOCAL_MEM_SIZE", dev.getLocalMemSize()/1024+" KB");
map.put("CL_DEVICE_LOCAL_MEM_TYPE", dev.getLocalMemType()+"");
map.put("CL_DEVICE_GLOBAL_MEM_CACHE_SIZE", dev.getGlobalMemCacheSize()+"");
map.put("CL_DEVICE_GLOBAL_MEM_CACHELINE_SIZE", dev.getGlobalMemCachelineSize()+"");
map.put("CL_DEVICE_GLOBAL_MEM_CACHE_TYPE", dev.getGlobalMemCacheType()+"");
map.put("CL_DEVICE_MAX_CONSTANT_BUFFER_SIZE", dev.getMaxConstantBufferSize()+"");
map.put("CL_DEVICE_MAX_CONSTANT_ARGS", dev.getMaxConstantArgs()+"");
map.put("CL_DEVICE_ERROR_CORRECTION_SUPPORT", dev.isErrorCorrectionSupported()+"");
map.put("CL_DEVICE_MAX_CLOCK_FREQUENCY", dev.getMaxClockFrequency()+" MHz");
map.put("CL_DEVICE_PROFILING_TIMER_RESOLUTION", dev.getProfilingTimerResolution()+" ns");
map.put("CL_DEVICE_QUEUE_PROPERTIES", dev.getQueueProperties()+"");
map.put("CL_DEVICE_MAX_WORK_GROUP_SIZE", dev.getMaxWorkGroupSize()+"");
map.put("CL_DEVICE_MAX_COMPUTE_UNITS", dev.getMaxComputeUnits()+"");
map.put("CL_DEVICE_MAX_WORK_ITEM_DIMENSIONS", dev.getMaxWorkItemDimensions()+"");
map.put("CL_DEVICE_MAX_WORK_ITEM_SIZES", Arrays.toString(dev.getMaxWorkItemSizes()));
map.put("CL_DEVICE_COMPILER_AVAILABLE", dev.isCompilerAvailable()+"");
map.put("CL_DEVICE_IMAGE_SUPPORT", dev.isImageSupportAvailable()+"");
map.put("CL_DEVICE_MAX_READ_IMAGE_ARGS", dev.getMaxReadImageArgs()+"");
map.put("CL_DEVICE_MAX_WRITE_IMAGE_ARGS", dev.getMaxWriteImageArgs()+"");
map.put("CL_DEVICE_IMAGE2D_MAX_DIMENSIONS", Arrays.asList(dev.getMaxImage2dWidth(), dev.getMaxImage2dHeight()).toString());
map.put("CL_DEVICE_IMAGE3D_MAX_DIMENSIONS", Arrays.asList(dev.getMaxImage2dWidth(), dev.getMaxImage2dHeight(), dev.getMaxImage3dDepth()).toString());
map.put("CL_DEVICE_MAX_SAMPLERS", dev.getMaxSamplers()+"");
map.put("CL_DEVICE_EXECUTION_CAPABILITIES", dev.getExecutionCapabilities()+"");
map.put("CL_DEVICE_ADDRESS_BITS", dev.getAddressBits()+"");
map.put("cl_khr_fp16", dev.isHalfFPAvailable()+"");
map.put("cl_khr_fp64", dev.isDoubleFPAvailable()+"");
map.put("CL_DEVICE_ENDIAN_LITTLE", dev.isLittleEndian()+"");
map.put("CL_DEVICE_HALF_FP_CONFIG", dev.getHalfFPConfig()+"");
map.put("CL_DEVICE_SINGLE_FP_CONFIG", dev.getSingleFPConfig()+"");
map.put("CL_DEVICE_DOUBLE_FP_CONFIG", dev.getDoubleFPConfig()+"");
map.put("CL_DEVICE_EXTENSIONS", dev.getExtensions()+"");
map.put("CL_DEVICE_PREFERRED_VECTOR_WIDTH_SHORT", dev.getPreferredShortVectorWidth()+"");
map.put("CL_DEVICE_PREFERRED_VECTOR_WIDTH_CHAR", dev.getPreferredCharVectorWidth()+"");
map.put("CL_DEVICE_PREFERRED_VECTOR_WIDTH_INT", dev.getPreferredIntVectorWidth()+"");
map.put("CL_DEVICE_PREFERRED_VECTOR_WIDTH_LONG", dev.getPreferredLongVectorWidth()+"");
map.put("CL_DEVICE_PREFERRED_VECTOR_WIDTH_FLOAT", dev.getPreferredFloatVectorWidth()+"");
map.put("CL_DEVICE_PREFERRED_VECTOR_WIDTH_DOUBLE", dev.getPreferredDoubleVectorWidth()+"");
//TODO device extensions -> properties
return map;
}
}
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