In the embedded system, along with the application of multi-core processor, the system software such as Real Time Operation system (RTOS) and parallel compilers are becoming a research hotspot.
在嵌入式系统中，随着多核处理器的应用，相应的系统软件，如实时操作系统、并行编译器等也日益成为研究的热点。
A further difficulty is the lack of tools for working with parallel code, such as compilers, to translate human-readable code into something a microprocessor can run, and debuggers to find mistakes.
还有一个长远的困难就是处理平行代码工具的匮乏，例如编译器可以将人可读的代码转变成一些微处理器能够运行的指令，并且调试者可以发现错误。
Linux runs on a wide variety of hardware, and high-quality compilers and other software like parallel filesystems and mpi implementations are freely available for Linux.
Linux可以在很多硬件上运行，并且具有高质量的编译器和其他软件，例如并行文件系统和MPI实现在Linux上都是免费的。
Parallelizing compilers provide an important way for people to acquire high quality parallel software.
并行编译器为人们获得高质量的并行软件提供了一条很重要的途径。
However, there is a big performance gap between it and the commercial UPC compilers, for lack of effective parallel compiler optimization support.
但由于缺乏有效的并行编译优化支持，其性能与商业UPC编译器相比，有着较大的差距。
However, there is a big performance gap between it and the commercial UPC compilers, for lack of effective parallel compiler optimization support.
但由于缺乏有效的并行编译优化支持，其性能与商业UPC编译器相比，有着较大的差距。
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