diff --git a/examples/intrinsics/knc-i1x8unsafe_fast.h b/examples/intrinsics/knc-i1x8unsafe_fast.h
index 55d97566..ce66ea11 100644
--- a/examples/intrinsics/knc-i1x8unsafe_fast.h
+++ b/examples/intrinsics/knc-i1x8unsafe_fast.h
@@ -1,2 +1,69 @@
 #define __ZMM32BIT__
 #include "knc-i1x8.h"
+
+/* the following tests fails because vec8_i32 and vec8_float are 512 and not 256 bit in size.
+ * not sure how it is possible to fix this, any suggestions? 
+33 / 1206 tests FAILED execution:
+        ./tests/array-gather-simple.ispc
+        ./tests/array-gather-vary.ispc
+        ./tests/array-multidim-gather-scatter.ispc
+        ./tests/array-scatter-vary.ispc
+        ./tests/atomics-5.ispc
+        ./tests/atomics-swap.ispc
+        ./tests/cfor-array-gather-vary.ispc
+        ./tests/cfor-gs-improve-varying-1.ispc
+        ./tests/cfor-struct-gather-2.ispc
+        ./tests/cfor-struct-gather-3.ispc
+        ./tests/cfor-struct-gather.ispc
+        ./tests/gather-struct-vector.ispc
+        ./tests/global-array-4.ispc
+        ./tests/gs-improve-varying-1.ispc
+        ./tests/half-1.ispc
+        ./tests/half-3.ispc
+        ./tests/half.ispc
+        ./tests/launch-3.ispc
+        ./tests/launch-4.ispc
+        ./tests/masked-scatter-vector.ispc
+        ./tests/masked-struct-scatter-varying.ispc
+        ./tests/new-delete-6.ispc
+        ./tests/ptr-24.ispc
+        ./tests/ptr-25.ispc
+        ./tests/short-vec-15.ispc
+        ./tests/struct-gather-2.ispc
+        ./tests/struct-gather-3.ispc
+        ./tests/struct-gather.ispc
+        ./tests/struct-ref-lvalue.ispc
+        ./tests/struct-test-118.ispc
+        ./tests/struct-vary-index-expr.ispc
+        ./tests/typedef-2.ispc
+        ./tests/vector-varying-scatter.ispc
+*/
+
+/* knc-i1x8.h has the following fails:
+3 / 1206 tests FAILED execution:
+        ./tests/half-1.ispc
+        ./tests/half-3.ispc
+        ./tests/half.ispc
+*/
+
+/* knc-i1x16.h has the following fails:
+5 / 1206 tests FAILED execution:
+        ./tests/assert-3.ispc
+        ./tests/half-1.ispc
+        ./tests/half-3.ispc
+        ./tests/half.ispc
+        ./tests/test-141.ispc
+*/
+
+/* generics-16, from which these knc-i1x*.h are derived, has the following fails:
+6 / 1206 tests FAILED execution:
+        ./tests/func-overload-max.ispc
+        ./tests/half-1.ispc
+        ./tests/half-3.ispc
+        ./tests/half.ispc
+        ./tests/test-141.ispc
+        ./tests/test-143.ispc
+*/
+
+
+