cuda::experimental::stf::logical_data#
-
template<class T>
class logical_data : public cuda::experimental::stf::logical_data_untyped# Represents typed logical data.
- Template Parameters:
T – The type of the underlying data.
Instance getter for a given instance or the default instance
-
inline decltype(auto) instance(instance_id_t instance_id)#
Assign a symbolic name for this object
-
inline logical_data &set_symbol(::std::string str)#
Select a custom allocator for this logical data
- inline logical_data &set_allocator(
- block_allocator_untyped custom_allocator,
Get hash value
-
inline size_t hash() const#
Return a task_dep<T> object for reading and/or writing this logical data.
- tparam Pack:
Additional parameter types for
task_dep<T>
’s constructor, if any
- param pack:
Additional arguments for
task_dep<T>
’s constructor, if any
- return:
task_dep<T> The object encapsulating access
Symbol getter/setter
-
inline const ::std::string &get_symbol() const#
Data interface getter
-
inline const data_interface &get_data_interface() const#
Get common data associated with this object. The type must be user-specified and is checked dynamically.
- tparam T:
the type of common data, must be user-specified
Retrieves the physical data from this logical data for a given instance id
-
template<typename T>
inline decltype(auto) instance( - instance_id_t instance_id,
Retrieves the physical data from this logical data for the default instance
Get the data pace associated with a given instance
- inline const data_instance &get_data_instance(
- instance_id_t instance_id,
-
inline data_instance &get_data_instance(instance_id_t instance_id)#
Reference count query and manipulation
-
inline bool has_ref() const#
-
inline void add_ref()#
-
inline void remove_ref()#
Returns a dependency object for read/write/read and write access to this logical data.
- return:
task_dep_untyped The dependency object corresponding to this logical data
-
inline task_dep_untyped read(data_place dp = data_place::affine())#
-
inline task_dep_untyped write(data_place dp = data_place::affine())#
-
inline task_dep_untyped rw(data_place dp = data_place::affine())#
- ::std::shared_ptr<reduction_operator_base> op,
- data_place dp = data_place::affine(),
Public Functions
-
logical_data() = default#
Default constructor.
-
inline logical_data(logical_data_untyped &&u)#
Constructor from an untyped logical data.
Warning : no checks are done to ensure the type used to create the untyped logical data matches, it is the responsibility of the caller to ensure this is a valid conversion
- backend_ctx_untyped ctx,
- ::std::shared_ptr<U> instance,
- data_place dp,
Constructor.
- Template Parameters:
U – Backend type
- Parameters:
ctx – Backend context
instance – Reference instance used for initializing this logical data
dp – Data place
data_prereq –
- inline void freeze(
- access_mode freeze_mode,
- data_place place = data_place::invalid(),
-
template<typename T>
inline ::std::pair<T, event_list> get_frozen( - task &fake_task,
- const data_place &dplace,
- access_mode m,
- inline void unfreeze(
- task &fake_task,
- event_list prereqs = event_list(),
-
inline ::std::pair<bool, access_mode> is_frozen() const#
Indicates whether a logical data is frozen or not, and what is the corresponding mode.
- inline void allocate(
- const data_place &memory_node,
- instance_id_t instance_id,
- ::std::ptrdiff_t &s,
- void **extra_args,
- event_list &prereqs,
Allocate memory for this logical data.
- Parameters:
ctx –
memory_node –
instance_id –
s –
extra_args –
prereqs –
- inline void deallocate(
- const data_place &memory_node,
- instance_id_t instance_id,
- void *extra_args,
- event_list &prereqs,
Deallocate memory previously allocated with
allocate
- Parameters:
ctx –
memory_node –
instance_id –
extra_args –
prereqs –
- inline void data_copy(
- const data_place &dst_node,
- instance_id_t dst_instance_id,
- const data_place &src_node,
- instance_id_t src_instance_id,
- event_list &prereqs,
Copy data.
- Parameters:
ctx –
dst_node –
dst_instance_id –
src_node –
src_instance_id –
arg –
prereqs –
- inline void write_back(
- const data_place &src_node,
- instance_id_t instance_id,
- event_list &prereqs,
Writes back data.
- Parameters:
ctx –
src_node –
instance_id –
prereqs –
- inline instance_id_t find_unused_instance_id(
- const data_place &dplace,
Get the index of the first available instance_id.
- Parameters:
dplace –
- Returns:
The found instance_id
-
inline instance_id_t find_instance_id(const data_place &dplace)#
Get the index of the first used instance_id that matches the data place, or get a new one.
- Parameters:
dplace –
- Returns:
The found instance_id
-
inline void release_instance_id(instance_id_t instance_id)#
Make it possible to reuse an id.
- Parameters:
instance_id –
- inline const data_place &get_instance_dplace(
- instance_id_t instance_id,
Get the data pace associated with a given instance.
- Parameters:
instance_id –
- Returns:
const data_place&
-
inline bool has_interface() const#
Returns true if the data interface of this object has been set.
-
inline bool is_void_interface() const#
Returns true if the data is a void data interface.
- inline void apply_redux_op(
- const data_place &memory_node,
- const exec_place &e_place,
- instance_id_t inout_instance_id,
- instance_id_t in_instance_id,
- event_list &prereqs,
- inline void apply_redux_on_node(
- const data_place &memory_node,
- const exec_place &e_place,
- ::std::vector<instance_id_t> &ids,
- event_list &prereqs,
- inline void reconstruct_after_redux(
- backend_ctx_untyped &bctx,
- instance_id_t instance_id,
- const exec_place &e_place,
- event_list &prereqs,
-
inline size_t get_data_instance_count() const#
- inline void enforce_msi_protocol(
- instance_id_t instance_id,
- access_mode mode,
- event_list &prereqs,
- inline instance_id_t find_source_instance_id(
- instance_id_t dst_instance_id,
-
inline void set_write_back(bool flag)#
-
inline void set_auto_dump(bool flag)#
-
inline bool get_auto_dump() const#
-
inline reserved::logical_data_state &get_state()#
-
inline auto &get_ctx() const#
-
inline bool is_initialized() const#
-
inline bool operator==(const logical_data_untyped &other) const#
-
inline auto &get_mutex()#