message: Mention GPE paper.
diff: @@ -144,15 +144,16 @@ Ginkgo provides comprehensive logging facilities both in-house and with interfac
  to external libraries such as PAPI [@papi]. This allows for detailed analysis of
  the kernels while reducing the intellectual overhead of optimizing the applications.
  -To enhance reproducibility from a performance perspective, we provide the performance
  -results of our kernel implementations in an open source git repository [@gko-data].
  -
  -A unique feature of Ginkgo is the availability of an interactive webtool, the Ginkgo
  -Performance explorer [@gpe], which can plot results from the aforementioned data
  -repository. Additionally, we have also put in some effort in making benchmarking
  -easier, within the Ginkgo repository using the `rapidjson` [@rapidjson] and
  -`gflags` [@gflags] libraries to run and generate benchmarking results for a variety
  -of Ginkgo features.
  +To enhance reproducibility from a performance perspective, the Ginkgo project
  +aims at providing Continuous Benchmarking on top of its extensive Continuous
  +Integration setup [@gko_cb]. To this end, we provide the performance results of
  +our kernel implementations in an open source git repository [@gko-data].
  +A unique feature of Ginkgo is the availability of an interactive webtool, the
  +Ginkgo Performance explorer [@gpe], which can plot results from the
  +aforementioned data repository. Additionally, we have also put in some effort in
  +making benchmarking easier, within the Ginkgo repository using the `rapidjson`
  +[@rapidjson] and `gflags` [@gflags] libraries to run and generate benchmarking
  +results for a variety of Ginkgo features.
  # Acknowledgements
  Research and software development in Ginkgo received support from the Helmholtz
  