Abstract
The role of the compiler is fundamental to exploit the hardware capabilities of a system running a particular application, minimizing the sequential execution time and, in some cases, offering the possibility of parallelizing part of the code automatically. This paper relies on the SPEC CPU2006 v1.1 benchmark suite to evaluate the performance of the code generated by three widely-used compilers (Intel C++/Fortran Compiler 11.0, Sun Studio 12 and GCC 4.3.2). Performance is measure in terms of base speed for reference problem sizes. Both sequential and automatic parallel performance obtained is analyzed, using different hardware architectures and configurations. The study includes a detailed description of the different problems that arise while compiling SPEC CPU2006 benchmarks with these tools, an information difficult to obtain elsewhere.
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