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    • 1. 发明授权
    • Software implemented method for thread-privatizing user-specified global
storage objects in parallel computer programs via program transformation
    • 通过程序转换,在并行计算机程序中线程私有化用户指定的全局存储对象的软件实现方法
    • US5812852A
    • 1998-09-22
    • US749038
    • 1996-11-14
    • David K. PoulsenPaul M. PetersenSanjiv M. Shah
    • David K. PoulsenPaul M. PetersenSanjiv M. Shah
    • G06F9/45G06F7/00
    • G06F8/453
    • A software-implemented method for dynamically and statically privatizing global storage objects in parallel computer programs written in various programming languages. Privatization is accomplished via transformation of these parallel computer programs under the control of a general purpose computer. The privatization method is system-independent and is portable across various computer architectures and platforms since privatization is accomplished via program transformation; thus, the method does not depend on the features of a particular hardware architecture or configuration, operating system, compiler, linker, or thread environment. The inputs to the method are a parallel computer program, comprising parallel regions of execution and global storage objects, and a privatization specification describing the global storage objects to be privatized and the particular parallel regions, and manner, in which each of these objects is to be privatized. The privatization method itself translates the input parallel computer program into a second parallel computer program, according to the privatization specification, such that the second parallel computer program, when executed, accesses the specified global storage objects in a privatized manner, without requiring any explicit programmer modifications to the input parallel computer program.
    • 一种软件实现的方法,用于以各种编程语言编写的并行计算机程序中的全局存储对象进行动态和静态私有化。 私有化是通过在通用计算机的控制下对这些并行计算机程序进行转换而实现的。 私有化方法是独立于系统的,可以通过各种计算机体系结构和平台进行移植,因为私有化是通过程序转换完成的; 因此,该方法不依赖于特定硬件架构或配置,操作系统,编译器,链接器或线程环境的特征。 该方法的输入是并行计算机程序,其包括并行执行区域和全局存储对象,以及描述要被私有化的全局存储对象的私有化规范以及这些对象中的每个对象的特定并行区域和方式 私有化。 私有化方法本身根据私有化规范将输入并行计算机程序转换成第二并行计算机程序,使得第二并行计算机程序在执行时以私有化方式访问指定的全局存储对象,而不需要任何明确的编程器 对输入并行计算机程序的修改。