From 757a8e9f39f32b6ba36817671355314173e6f276 Mon Sep 17 00:00:00 2001 From: Rodrigo Arias Date: Thu, 23 Mar 2023 17:47:30 +0100 Subject: [PATCH] Run one process of ovnisync per node --- doc/user/runtime/distributed.md | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/doc/user/runtime/distributed.md b/doc/user/runtime/distributed.md index ab08335..2505187 100644 --- a/doc/user/runtime/distributed.md +++ b/doc/user/runtime/distributed.md @@ -7,11 +7,16 @@ measure the time since boot). To generate a coherent Paraver trace, the offsets of the clocks need to be provided to the emulator too. To do so, run the `ovnisync` program using MPI on -the same nodes your workload will use. If you are using SLURM, you may want to -use something like: +the same nodes your workload will use. + +!!! warning + + Run only one MPI process of ovnisync per node. + +If you are using SLURM, you may want to use something like: % srun ./application - % srun ovnisync + % srun --ntasks-per-node=1 ovnisync !!! warning