diff --git a/src/RayTracingInOneWeekend.jl b/src/RayTracingInOneWeekend.jl
index bcb963c..29739ef 100644
--- a/src/RayTracingInOneWeekend.jl
+++ b/src/RayTracingInOneWeekend.jl
@@ -3,8 +3,8 @@
 using Parameters, StaticArrays, LinearAlgebra, Images, SIMD, StructArrays, MLStyle, SmartAsserts
 using Expronicon.ADT: @adt
 
-# SmartAsserts.set_enabled(false)
-Fast = false
+SmartAsserts.set_enabled(false)
+Fast = true
 
 const F = Float32
 const N = 8 # vector width
@@ -468,4 +468,4 @@ end
 
 # using Cthulhu
 # @descend test()
-# @descend ray_color(Ray(), setup() |> first, 10)
\ No newline at end of file
+# @descend ray_color(Ray(), setup() |> first, 10)