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$Intel(R) Math Kernel Library for Linux* OS User's Guide$

环境变量 (C 和 Fortran 一样 ) OMP_SCHEDULE OMP_NUM_THREADS OMP_DYNAMIC OMP_NESTED 2006 年 4 月共享存储编程 106/108
OpenMP 特点总结支持 C,C++ 和 Fortran 共享存储并行机并行编程的主流平台 , 获得并行机厂商和用户的广泛支持特别适合于串行程序的逐步并行化如 : 先进行一些特别耗时的大循环的并行化 , 然后再逐步进行再大粒度的并行 . Orphan 制导语句的支持 , 使得 OpenMP 较之于以前的共享存储编程模型更适合粗粒度的并行 2006 年 4 月共享存储编程 107/108
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机群应用开发并行编
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相关网址 MPI: http://ww.mpi
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共享存储并行机模型
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并行编程标准线程
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Pthreads 线程模型 POSIX1003
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同步对象在共享存
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条件变量的函数函数
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pthread_t 线程数据类型
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Hello World(2) #include #include "
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运行结果 0 was added to the
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#include #include #include #inclu
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多线程并行编程特点
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www.openmp.org •An Industry Stand
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ANSI X3H5 共享编程标准
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X3H5 例程执行过程描
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如何应用 OpenMP? OpenMP 常
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OpenMP 术语大多 OpenMP 构
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OpenMP 结构化块类型 Ope
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并行区的 Lecical / dynamic e
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Hello World(C) #include main() { i
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OpenMP 并行程序编译 •
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OpenMP 结构化块类型 Ope
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比较 parrallel 构造与 for
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更详细的 for 语法 #pragm
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DO/for 使用注意事项循
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Schedule 示意图 Work pool Work
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NOWAIT 子句 (Fortran) C$OMP PARA
Page 55 and 56: Sections 构造 ( 非循环并
Page 57 and 58: Work sharing 语句汇总 Fort
Page 59 and 60: Fortran !$OMP !$OMP PARALLEL DO DO
Page 61 and 62: OpenMP 结构化块类型 Ope
Page 63 and 64: 举例说明变量类型 pro
Page 65 and 66: 私有类型变量变量
Page 67 and 68: Private private(list) 表明 list
Page 69 and 70: ? For 结构中 : main(){ int int
Page 71 and 72: Lastprivate Lastprivate 将位
Page 73 and 74: DEFAULT 例 (Fortran) itotal = 1000
Page 75 and 76: 实例 :PIPI 求解通过数
Page 77 and 78: 仅基于 Parallel 块结构
Page 79 and 80: OpenMP 结构化块类型 Ope
Page 81 and 82: critical section 同时至多
Page 83 and 84: 下面两段代码区别是
Page 85 and 86: arrier Barrier: 每一线程
Page 87 and 88: master Master 结构用于标
Page 89 and 90: flush #pragma omp flush [(list)] n
Page 91 and 92: Flush(C) 隐式 flush barrier Cri
Page 93 and 94: Nesting 并行结构的嵌套
Page 95 and 96: OpenMP 函数锁函数 omp_in
Page 97 and 98: #include int main() { omp_lock_t l
Page 99 and 100: 设定动态模式 , 由程
Page 101 and 102: 得到线程数 int numthreads;
Page 103 and 104: 汇总并行区 parallel 任
Page 105: 锁函数汇总 omp_init_lock o
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