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[MPI] acclib DL : 0: 滤波、解方程、模拟测井曲线、扸及、测井曲线拉伸机压缩复式变换等各种算法-The array dimensions are numbered, which makes it easy to add functions for arrays of higher dimensions. In particular, the 1st dimension of length n1 is always the fastest dimension, the 2nd dimension of length n2 is the next fastest dimension, and so on. Note that the 1st (fastest) dimension n1 is the first argument to the allocation functions defined below, but that the 1st dimension is the last subscript in a[i2][i1]. (This is another important difference between C and Fortran.)
Date : 2025-12-16 Size : 44kb User : minch
[MPI] Colfax-HOW-Day-02 DL : 0: we focus on the usage of the Intel Xeon Phi platform as a coprocessor in the offload programming model. We talk about the explicit offload model based on compiler pragmas, explaining how to offload functions, local scalars and arrays of known size, and how to do data marshalling for pointer-based arrays in C and C++. Additional topics include fall-back to host, using multiple coprocessors, retaining memory buffers and data on coprocessors between offloads, overlapping communication and computation with asynchronous offload, and using environment variables for offload control. The Intel proprietary API called LEO (Language Extensions for Offload) is compared with the standard-based API for offload in OpenMP 4.0. Shared virtual memory model for offload is briefly introduced.-我们关注的英特尔Xeon Phi平台的使用作为协处理器卸载编程模型。我们谈论的显式卸载模型基于编译器编译，解释如何卸载功能，当地的标量和已知大小的数组，和如何做数据编组在基于C和C++数组的指针。其他主题包括回到主机，使用多个处理器，保留内存缓冲区和数据处理器之间的重叠与卸载卸载，异步通信和计算，并将控制使用环境变量。英特尔专有的API调用的狮子座（用于卸载语言扩展）与基于API标准OpenMP 4卸载。虚拟共享存储模型，将简要介绍。
Date : 2025-12-16 Size : 41kb User : 黄雪