LULESH is a popular GPU HPC application that acts as a good test for several memory and compute patterns. Thus, including it in the weekly regressions will help verify correctness and functionality for code that affects the GPU. The default LULESH input runs 10 iterations and takes 3-4 hours. Hence, it is not appropriate for nightly regressions. Change-Id: Ic1b73ab32fdd5cb1b973f2676b272adb91b2a98e Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/50952 Maintainer: Matt Sinclair <mattdsinclair@gmail.com> Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu>