X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/mpi-energy2.git/blobdiff_plain/2133c99a59a380205e2ebf91377e21251f84593e..d509f4d19eb0a9dfb0cb8fcc367e63e0e172fd42:/Heter_paper.tex diff --git a/Heter_paper.tex b/Heter_paper.tex index 2b32358..af3d660 100644 --- a/Heter_paper.tex +++ b/Heter_paper.tex @@ -88,9 +88,10 @@ platforms many techniques have been used. Dynamic voltage and frequency scaling consumption. However, lowering the frequency of a CPU might increase the execution time of an application running on that processor. Therefore, the frequency that gives the best trade-off between the energy consumption and the -performance of an application must be selected.\\ -In this paper, a new online frequencies selecting algorithm for heterogeneous -platforms is presented. It selects the frequency which tries to give the best +performance of an application must be selected. + +In this paper, a new online frequency selecting algorithm for heterogeneous +platforms is presented. It selects the frequencies and tries to give the best trade-off between energy saving and performance degradation, for each node computing the message passing iterative application. The algorithm has a small overhead and works without training or profiling. It uses a new energy model for