Thanks for sharing your feedback.
The current version of the Intel OpenCL SDK is only a technology preview. When a new update will be available, we announce it in this forum.
For our future products and technology support such as Intel MIC Architecture and AVX, we are evaluating when and where OpenCL support will intercept our products, however no announcement has been made.
Regarding your question about disabling the autovectorization: Intel OpenCL SDK supports the optional __attribute__((vec_type_hint(
"The optional __attribute__((vec_type_hint(
Using this attribute in the kernel declaration with values like float4, int4 etc. will disable the autovectorization of the specific kernel.
OpenCL Tech Lead