base and construction tests work

Author: leios

src/host/broadcast.jl

@@ -42,23 +42,12 @@ end
     bc′ = Broadcast.preprocess(dest, bc)
 
     # grid-stride kernel
-    @kernel function broadcast_kernel(dest, bc′, nelem)
-        i = 0
-        I = @index(Global, Linear)
-        while i < nelem
-            i += 1
-            idx = CartesianIndices(dest)[(I-1)*nelem + i]
-            @inbounds dest[idx] = bc′[idx]
-        end
+    @kernel function broadcast_kernel(dest, bc′)
+        I = @index(Global, Cartesian)
+        @inbounds dest[I] = bc′[I]
     end
-    elements = length(dest)
-    elements_per_thread = typemax(Int)
-    heuristic = launch_heuristic(get_backend(dest), broadcast_kernel, dest,
-                                 bc′, 1; elements, elements_per_thread)
-    config = launch_configuration(get_backend(dest), heuristic;
-                                  elements, elements_per_thread)
-    broadcast_kernel(get_backend(dest))(dest, bc′, config.elements_per_thread,
-                     ndrange = config.threads)
+
+    broadcast_kernel(get_backend(dest))(dest, bc′, ndrange = length(dest))
 
     return dest
 end