The Performance Optimisation and Productivity blog published a post by LLNL’s David Boehme, who described the open source Caliper program instrumentation and performance measurement framework. Caliper can be used for lightweight always-on profiling or advanced performance engineering use cases, such as tracing, monitoring, and auto-tuning. It is primarily aimed at HPC applications, but works for any C/C++/Fortran program on Unix/Linux. The blog post outlines Caliper’s instrumentation and API with examples.
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