Avoid GPU selection with GPU emulation

Change-Id: Iee5949fa11419b0c1344edb6c85ab475baa77719

diff --git a/src/gromacs/gmxlib/gmx_detect_hardware.cpp b/src/gromacs/gmxlib/gmx_detect_hardware.cpp
index 249ad4d3d6d975ac76dd1ae5013f31531a156044..711e83e6742579a6cb11d41b3c01e8fff8c89f38 100644 (file)
--- a/src/gromacs/gmxlib/gmx_detect_hardware.cpp
+++ b/src/gromacs/gmxlib/gmx_detect_hardware.cpp
@@ -1138,7 +1138,7 @@ void gmx_select_gpu_ids(FILE *fplog, const t_commrec *cr,
 
         sfree(checkres);
     }
-    else
+    else if (getenv("GMX_EMULATE_GPU") == NULL)
     {
         pick_compatible_gpus(&hwinfo_g->gpu_info, gpu_opt);
         set_gpu_ids(gpu_opt, cr->nrank_pp_intranode, cr->rank_pp_intranode);