Tianqi Chen
c89cd59a87
* [MODULE/DSO] Support pack everything into one shared library. * fix osx load
132 lines
3.2 KiB
Python
132 lines
3.2 KiB
Python
"""Container of compiled functions of TVM."""
|
|
from __future__ import absolute_import as _abs
|
|
from ._ffi.function import ModuleBase, _set_class_module
|
|
from ._ffi.function import _init_api
|
|
from .contrib import cc_compiler as _cc, util as _util
|
|
|
|
class Module(ModuleBase):
|
|
"""Module container of all TVM generated functions"""
|
|
def __repr__(self):
|
|
return "Module(%s, %x)" % (self.type_key, self.handle.value)
|
|
|
|
@property
|
|
def type_key(self):
|
|
"""Get type key of the module."""
|
|
return _GetTypeKey(self)
|
|
|
|
def get_source(self, fmt=""):
|
|
"""Get source code from module, if available.
|
|
|
|
Parameters
|
|
----------
|
|
fmt : str, optional
|
|
The specified format.
|
|
|
|
Returns
|
|
-------
|
|
source : str
|
|
The result source code.
|
|
"""
|
|
return _GetSource(self, fmt)
|
|
|
|
@property
|
|
def imported_modules(self):
|
|
"""Get imported modules
|
|
|
|
Returns
|
|
----------
|
|
modules : list of Module
|
|
The module
|
|
"""
|
|
nmod = _ImportsSize(self)
|
|
return [_GetImport(self, i) for i in range(nmod)]
|
|
|
|
def save(self, file_name, fmt=""):
|
|
"""Save the module to file.
|
|
|
|
This do not save the dependent device modules.
|
|
See also export_shared
|
|
|
|
Parameters
|
|
----------
|
|
file_name : str
|
|
The name of the file.
|
|
fmt : str
|
|
The format of the file.
|
|
|
|
See Also
|
|
--------
|
|
Module.export_library : export the module to shared library.
|
|
"""
|
|
_SaveToFile(self, file_name, fmt)
|
|
|
|
def export_library(self, file_name):
|
|
"""Export the module and its imported device code one library.
|
|
|
|
This function only works on host llvm modules.
|
|
It will pack all the imported modules
|
|
|
|
Parameters
|
|
----------
|
|
file_name : str
|
|
The name of the shared library.
|
|
"""
|
|
if self.type_key != "llvm":
|
|
raise ValueError("Only llvm support export shared")
|
|
temp = _util.tempdir()
|
|
path_obj = temp.relpath("lib.o")
|
|
self.save(path_obj)
|
|
files = [path_obj]
|
|
if self.imported_modules:
|
|
path_cc = temp.relpath("devc.cc")
|
|
with open(path_cc, "w") as f:
|
|
f.write(_PackImportsToC(self))
|
|
files.append(path_cc)
|
|
_cc.create_shared(file_name, files)
|
|
|
|
|
|
def load(path, fmt=""):
|
|
"""Load module from file
|
|
|
|
Parameters
|
|
----------
|
|
path : str
|
|
The path to the module file.
|
|
|
|
fmt : str, optional
|
|
The format of the file, if not specified
|
|
it will be inferred from suffix of the file.
|
|
|
|
Returns
|
|
-------
|
|
module : Module
|
|
The loaded module
|
|
"""
|
|
return _LoadFromFile(path, fmt)
|
|
|
|
|
|
def enabled(target):
|
|
"""Whether module runtime is enabled for target
|
|
|
|
Parameters
|
|
----------
|
|
target : str
|
|
The target device type.
|
|
|
|
Returns
|
|
-------
|
|
enabled : bool
|
|
Whether runtime is enabled.
|
|
|
|
Examples
|
|
--------
|
|
The following code checks if gpu is enabled.
|
|
|
|
>>> tvm.module.enabled("gpu")
|
|
"""
|
|
return _Enabled(target)
|
|
|
|
|
|
_init_api("tvm.module")
|
|
_set_class_module(Module)
|