diff --git a/README.adoc b/README.adoc
index d7bad98..b613312 100644
--- a/README.adoc
+++ b/README.adoc
@@ -3749,6 +3749,8 @@ One possibility we could play with is to build loadable modules instead of built
 
 The build times are calculated after doing link:https://buildroot.org/downloads/manual/manual.html#_offline_builds[`make source`], which downloads the sources, and basically benchmarks the Internet.
 
+https://stackoverflow.com/questions/47997565/gem5-system-requirements-for-decent-performance/48941793#48941793
+
 ==== P51
 
 Lenovo ThinkPad link:https://www3.lenovo.com/gb/en/laptops/thinkpad/p-series/P51/p/22TP2WPWP51[P51 laptop]: