Document GMX_GPU_APPLICATION_CLOCKS

Added description for the use of the GMX_GPU_APPLICATION_CLOCKS
environment variable.

Change-Id: Id275b5a607d5b4dc23f88c71cc1eebfb5418fb50

diff --git a/docs/user-guide/environment-variables.rst b/docs/user-guide/environment-variables.rst
index f84247a75192fa2c03e5f4fbf89543c9fe4fb8ac..03740e48539872da8f228836c107939ea59a387e 100644 (file)
--- a/docs/user-guide/environment-variables.rst
+++ b/docs/user-guide/environment-variables.rst
@@ -182,6 +182,10 @@ Performance and Run Control
         when set, disables GPU detection even if :ref:`gmx mdrun` was compiled
         with GPU support.
 
+``GMX_GPU_APPLICATION_CLOCKS``
+        setting this variable to a value of "0", "ON", or "DISABLE" (case insensitive)
+        allows disabling the CUDA GPU allication clock support.
+
 ``GMX_DISRE_ENSEMBLE_SIZE``
         the number of systems for distance restraint ensemble
         averaging. Takes an integer value.