From 664ec865d84d09074bf08bf074fe3fceb1aafced Mon Sep 17 00:00:00 2001 From: Martin Quinson Date: Tue, 18 Sep 2018 22:14:45 +0200 Subject: [PATCH] tuto smpi: start lab 3 (Execution Sampling) But I'm stuck because that version of the NAS benchmarks is in Fortran, and I fear that our macro don't work in this case... --- docs/source/tuto_smpi.rst | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/docs/source/tuto_smpi.rst b/docs/source/tuto_smpi.rst index f886d6a060..7bc1e133cf 100644 --- a/docs/source/tuto_smpi.rst +++ b/docs/source/tuto_smpi.rst @@ -458,4 +458,15 @@ is computationally hungry. .. todo:: smpi_replay should be installed by SimGrid, and smpirun interface could be simplified here. +Lab 3: Execution Sampling on EP +------------------------------- + +The second method to speed up simulations is to sample the computation parts in the code. +This means that the person doing the simulation needs to know the application and identify +parts that are compute intensive and take time, while being regular enough not to ruin +simulation accuracy. Furthermore there should not be any MPI calls inside such parts of the +code. + +Use the EP benchmark, class B, 16 processes. + .. LocalWords: SimGrid -- 2.20.1