Delete papi_library.md

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-# PAPI Library
-
-Related work:
-
-* [PAPI documentation](http://icl.cs.utk.edu/projects/papi/wiki/Main_Page)
-* [Intel 64 and IA-32 Architectures Software Developers Manual (Per thread/per core PMCs)]
-  (http://www.intel.com/content/dam/www/public/us/en/documents/manuals/64-ia-32-architectures-software-developer-system-programming-manual-325384.pdf)
-
-Additional sources for **Haswell** Processors: [Intel Xeon Processor E5-2600 v3 Product Family Uncore
-Performance Monitoring Guide (Uncore PMCs) - Download link]
-(http://www.intel.com/content/www/us/en/processors/xeon/xeon-e5-v3-uncore-performance-monitoring.html)
-
-## Introduction
-
-PAPI enables users and developers to monitor how their code performs on a specific architecture. To
-do so, they can register events that are counted by the hardware in performance monitoring counters
-(PMCs). These counters relate to a specific hardware unit, for example a processor core. Intel
-Processors used on taurus support eight PMCs per processor core. As the partitions on taurus are run
-with HyperThreading Technology (HTT) enabled, each CPU can use four of these. In addition to the
-**four core PMCs**, Intel processors also support **a number of uncore PMCs** for non-core
-resources. (see the uncore manuals listed in top of this documentation).
-
-## Usage
-
-[Score-P](scorep.md) supports per-core PMCs. To include uncore PMCs into Score-P traces use the
-software module **scorep-uncore/2016-03-29**on the Haswell partition. If you do so, disable
-profiling to include the uncore measurements. This metric plugin is available at
-[github](https://github.com/score-p/scorep_plugin_uncore/).
-
-If you want to use PAPI directly in your software, load the latest papi module, which establishes
-the environment variables **PAPI_INC**, **PAPI_LIB**, and **PAPI_ROOT**. Have a look at the
-[PAPI documentation](http://icl.cs.utk.edu/projects/papi/wiki/Main_Page) for details on the usage.
-
-## Related Software
-
-* [Score-P](scorep.md)
-* [Linux Perf Tools](perf_tools.md)
-
-If you just need a short summary of your job, you might want to have a look at
-[perf stat](perf_tools.md).