/** @brief returns whether or not the profile leads to undefined behavior on particular device
* @param dev the given device*/
bool is_invalid(viennacl::ocl::device const & dev, size_t scalartype_size) const{
//Query device informations
size_t lmem_available = static_cast<size_t>(dev.local_mem_size());
size_t max_workgroup_size = dev.max_work_group_size();
std::vector<size_t> max_work_item_sizes = dev.max_work_item_sizes();
bool invalid_work_group_sizes = local_size_1_*local_size_2_ > max_workgroup_size
|| local_size_1_ > max_work_item_sizes[0]
|| local_size_2_ > max_work_item_sizes[1]; // uses too much resources
return invalid_work_group_sizes
|| lmem_used(scalartype_size)>lmem_available
|| invalid_impl(dev, scalartype_size);
}
