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C++ OpenCLContext::getNumThreadBlocks方法代码示例

本文整理汇总了C++中OpenCLContext::getNumThreadBlocks方法的典型用法代码示例。如果您正苦于以下问题:C++ OpenCLContext::getNumThreadBlocks方法的具体用法?C++ OpenCLContext::getNumThreadBlocks怎么用?C++ OpenCLContext::getNumThreadBlocks使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在OpenCLContext的用法示例。


在下文中一共展示了OpenCLContext::getNumThreadBlocks方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: if

OpenCLNonbondedUtilities::OpenCLNonbondedUtilities(OpenCLContext& context) : context(context), cutoff(-1.0), useCutoff(false), anyExclusions(false), usePadding(true),
        numForceBuffers(0), exclusionIndices(NULL), exclusionRowIndices(NULL), exclusionTiles(NULL), exclusions(NULL), interactingTiles(NULL), interactingAtoms(NULL),
        interactionCount(NULL), blockCenter(NULL), blockBoundingBox(NULL), sortedBlocks(NULL), sortedBlockCenter(NULL), sortedBlockBoundingBox(NULL),
        oldPositions(NULL), rebuildNeighborList(NULL), blockSorter(NULL), nonbondedForceGroup(0) {
    // Decide how many thread blocks and force buffers to use.

    deviceIsCpu = (context.getDevice().getInfo<CL_DEVICE_TYPE>() == CL_DEVICE_TYPE_CPU);
    if (deviceIsCpu) {
        numForceThreadBlocks = context.getNumThreadBlocks();
        forceThreadBlockSize = 1;
        numForceBuffers = numForceThreadBlocks;
    }
    else if (context.getSIMDWidth() == 32) {
        if (context.getSupports64BitGlobalAtomics()) {
            numForceThreadBlocks = 4*context.getDevice().getInfo<CL_DEVICE_MAX_COMPUTE_UNITS>();
            forceThreadBlockSize = 256;
            // Even though using longForceBuffer, still need a single forceBuffer for the reduceForces kernel to convert the long results into float4 which will be used by later kernels.
            numForceBuffers = 1;
        }
        else {
            numForceThreadBlocks = 3*context.getDevice().getInfo<CL_DEVICE_MAX_COMPUTE_UNITS>();
            forceThreadBlockSize = 256;
            numForceBuffers = numForceThreadBlocks*forceThreadBlockSize/OpenCLContext::TileSize;
        }
    }
    else {
        numForceThreadBlocks = context.getNumThreadBlocks();
        forceThreadBlockSize = (context.getSIMDWidth() >= 32 ? OpenCLContext::ThreadBlockSize : 32);
        if (context.getSupports64BitGlobalAtomics()) {
            // Even though using longForceBuffer, still need a single forceBuffer for the reduceForces kernel to convert the long results into float4 which will be used by later kernels.
            numForceBuffers = 1;
        }
        else {
            numForceBuffers = numForceThreadBlocks*forceThreadBlockSize/OpenCLContext::TileSize;
        }
    }
}
开发者ID:mpharrigan,项目名称:openmm,代码行数:37,代码来源:OpenCLNonbondedUtilities.cpp

示例2: context

OpenCLCompact::OpenCLCompact(OpenCLContext& context) : context(context), dgBlockCounts(NULL) {
    dgBlockCounts = OpenCLArray::create<cl_uint>(context, context.getNumThreadBlocks(), "dgBlockCounts");
    cl::Program program = context.createProgram(OpenCLKernelSources::compact);
    countKernel = cl::Kernel(program, "countElts");
    moveValidKernel = cl::Kernel(program, "moveValidElementsStaged");
}
开发者ID:CauldronDevelopmentLLC,项目名称:openmm,代码行数:6,代码来源:OpenCLCompact.cpp


注:本文中的OpenCLContext::getNumThreadBlocks方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。