diff --git a/doc/src/pair_snap.rst b/doc/src/pair_snap.rst index b6ba82f64b..ecfbf773c4 100644 --- a/doc/src/pair_snap.rst +++ b/doc/src/pair_snap.rst @@ -201,7 +201,7 @@ The *parallelthresh* keyword controls a crossover threshold for performing extra parallelism. For small systems, exposing additional parallism can be beneficial when there is not enough work to fully saturate the GPU threads otherwise. -However, the extra parallelism also leads to more thread divergence +However, the extra parallelism also leads to more divergence and can hurt performance when the system is already large enough to saturate the GPU threads.