Document context gotcha.

samo-lin · Dec 19, 2019 · 1718b79 · 1718b79
1 parent 43894e1
commit 1718b79
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/context.jl b/src/context.jl
@@ -17,6 +17,12 @@ the system cleans up the resources allocated to it.
 
 When you are done using the context, call [`unsafe_destroy!`](@ref) to mark it for deletion,
 or use do-block syntax with this constructor.
+
+!!! warning
+
+ Contexts are unique, and should be compared using `===` and not `isequal` or `==`: With
+ primary device contexts, identical handles might be returned after resetting the context
+ (device) and all associated resources.
 """
 mutable struct CuContext
  handle::CUcontext