Files
triton-tvm-ffi/python/triton_tvm_ffi/driver.py
T
2026-01-30 15:09:35 +08:00

101 lines
3.1 KiB
Python

from __future__ import annotations
from typing import Any, Callable, Final, List, Sequence, Type, Union
from triton.backends.nvidia.driver import CudaDriver
from triton.runtime import _allocation
from . import TVMFFILauncherImpl, utils, string_to_type
class TVMLauncher(object):
def __init__(self, src, metadata, *args, **kwargs) -> TVMLauncher:
super().__init__(*args, **kwargs)
self.signature: List[str] = [*src.signature.values()]
self.num_ctas: Final[int] = getattr(metadata, "num_ctas", 1)
self.global_scratch_size: Final[int] = metadata.global_scratch_size
self.global_scratch_align: Final[int] = metadata.global_scratch_align
self.profile_scratch_size: Final[int] = metadata.profile_scratch_size
self.profile_scratch_align: Final[int] = metadata.profile_scratch_align
self.launch_cooperative_grid: Final[bool] = metadata.launch_cooperative_grid
self.launch_pdl: Final[bool] = metadata.launch_pdl
self.impl: TVMFFILauncherImpl = TVMFFILauncherImpl(
[string_to_type(t) for t in self.signature],
self.launch_cooperative_grid,
self.launch_pdl,
)
self.launch: Callable[
[
int,
int,
int,
int,
int,
tuple[int, int, int],
object,
object,
object,
object,
object,
Sequence[Union[Any]],
]
] = self.impl.launch
def __call__(
self,
gridX,
gridY,
gridZ,
stream,
function,
kernel_metadata,
launch_metadata,
launch_enter_hook,
launch_exit_hook,
*args,
):
def allocate_scratch(size, align, allocator):
if size > 0:
grid_size = gridX * gridY * gridZ
alloc_size = grid_size * self.num_ctas * size
alloc_fn = allocator.get()
return alloc_fn(alloc_size, align, stream)
return None
global_scratch = allocate_scratch(
self.global_scratch_size, self.global_scratch_align, _allocation._allocator
)
profile_scratch = allocate_scratch(
self.profile_scratch_size,
self.profile_scratch_align,
_allocation._profile_allocator,
)
assert not self.launch_cooperative_grid
assert not self.launch_pdl
# args: Sequence[TypedValue] = TypedValue.make_typed_values(self.signature, args)
return self.impl.launch(
gridX,
gridY,
gridZ,
stream,
function,
kernel_metadata,
launch_metadata,
launch_enter_hook,
launch_exit_hook,
global_scratch,
profile_scratch,
args,
)
class TVMFFIDriver(CudaDriver):
def __init__(self, *args, **kwargs) -> TVMFFIDriver:
super().__init__(*args, **kwargs)
self.utils = utils
self.launcher_cls: Type[TVMLauncher] = TVMLauncher
del CudaDriver