inline cusparseHandle_t cusparse_handle(const command_queue &q) {
typedef std::shared_ptr<std::remove_pointer<cusparseHandle_t>::type> smart_handle;
typedef vex::detail::object_cache<vex::detail::index_by_context, smart_handle> cache_type;
static cache_type cache;
auto h = cache.find(q);
if (h == cache.end()) {
select_context(q);
cusparseHandle_t handle;
cuda_check( cusparseCreate(&handle) );
cuda_check( cusparseSetStream(handle, q.raw()) );
h = cache.insert(q, smart_handle(handle, detail::deleter()));
}
return h->second.get();
}
void select_context_dispatch( Stream & stream
, ast::select_context const & templ
, Context const & ctx
, extension::associative_attribute)
{
auto iter = ctx.find(templ.tag);
if(iter != ctx.end())
{
// std::cout << "select_context ctx_parent "
// << typeid(ctx).name()
// << " ctx_child "
// << typeid(iter->second).name()
// << " category "
// << typeid(typename extension::select_category<decltype(iter->second)>::type{}).name();
select_context( stream, templ.body, ctx, iter->second
, typename extension::select_category<decltype(iter->second)>::type{});
}
else
{
generate(stream, templ.body, ctx);
}
}
void operator()(T const & ctx_child) const
{
select_context( stream_, templ_, ctx_parent_, ctx_child
, typename extension::select_category<T>::type{});
}
