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Memory Footprint of clang-, icc-and gcc-compiled ROOT Running HSimple.

Memory Footprint of clang-, icc-and gcc-compiled ROOT Running HSimple.

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Foundational software libraries such as ROOT are under intense pressure to avoid software regression, including performance regressions. Continuous performance benchmarking, as a part of continuous integration and other code quality testing, is an industry best-practice to understand how the performance of a software product evolves over time. We p...

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... this case, the improvement in C++ modules is due to multiple memory optimizations and implementation of more efficient symbol resolution at runtime. Figure 5 shows the memory footprint of the HSimple benchmark between ROOT builds from different compilers. ...

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