9. Září 2017
In this talk I will present an overview of the trace-based performance evaluation tools for PPC. This includes trace collection with valgrind itrace, the sim_ppc timing simulator, the pipestat tool for analyzing instruction traces and timing simulator event traces, and the timing simulator event trace viewer tools. I will describe how to use these tools to identify user and library code issues as well places where the compiler generates sub-optimal code.
The GNU Compiler Collection includes front ends for C, C++, Objective-C, Fortran, Ada, and Go, as well as libraries for these languages (libstdc++,...). GCC was originally written as the compiler for the GNU operating system. The GNU system was developed to be 100% free software, free in the sense that it respects the user's freedom.
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