diff --git a/config/optimize b/config/optimize
index cd650c969c..b72ab4e07f 100644
--- a/config/optimize
+++ b/config/optimize
@@ -23,11 +23,11 @@ fi
 # GCC_OPTIM="$GCC_OPTIM -floop-strip-mine"
 # GCC_OPTIM="$GCC_OPTIM -floop-block"
 # GCC_OPTIM="$GCC_OPTIM -fgraphite-identity"
-# GCC_OPTIM="$GCC_OPTIM -fexcess-precision=fast"
+GCC_OPTIM="$GCC_OPTIM -fexcess-precision=fast"
 # GCC_OPTIM="$GCC_OPTIM -flto"
 
-# LD_OPTIM="$LD_OPTIM -fuse-linker-plugin"
-# LD_OPTIM="$LD_OPTIM -fuse-ld=gold"
+LD_OPTIM="$LD_OPTIM -fuse-linker-plugin"
+LD_OPTIM="$LD_OPTIM -fuse-ld=gold"
 LD_OPTIM="$LD_OPTIM -Wl,--as-needed"
 
 if [ "$DEBUG" = yes ]; then