mirror of
https://github.com/tile-ai/tilelang.git
synced 2026-10-23 07:00:29 +08:00
90 lines
2.3 KiB
Python
90 lines
2.3 KiB
Python
from tilelang import tvm as tvm
|
|
import tilelang.testing
|
|
import tilelang as tl
|
|
import pytest
|
|
|
|
|
|
def view_test(N, M, dtype, new_dtype=None):
|
|
import tilelang.language as T
|
|
|
|
new_shape = [N // M, M]
|
|
if new_dtype:
|
|
from tvm import DataType
|
|
dtype_src = DataType(dtype)
|
|
dtype_dst = DataType(new_dtype)
|
|
src_bits = dtype_src.bits
|
|
dst_bits = dtype_dst.bits
|
|
scale = src_bits / dst_bits
|
|
new_shape[-1] = int(M * scale)
|
|
|
|
@T.prim_func
|
|
def main(
|
|
A: T.Tensor((N,), dtype),
|
|
B: T.Tensor(new_shape, new_dtype if new_dtype else dtype),
|
|
):
|
|
with T.Kernel(1) as _:
|
|
A_viewed = T.view(A, new_shape, dtype=new_dtype)
|
|
T.copy(A_viewed, B)
|
|
|
|
return main
|
|
|
|
|
|
def run_view(N, M, dtype, new_dtype=None):
|
|
program = view_test(N, M, dtype, new_dtype)
|
|
jit_kernel = tl.compile(program, out_idx=-1)
|
|
profiler = jit_kernel.get_profiler()
|
|
|
|
def ref_program(A):
|
|
if new_dtype:
|
|
from tilelang.utils.tensor import map_torch_type
|
|
torch_dtype = map_torch_type(new_dtype)
|
|
return A.view(N // M, M).view(dtype=torch_dtype)
|
|
return A.view(N // M, M)
|
|
|
|
profiler.assert_allclose(ref_program, atol=1e-2, rtol=1e-2)
|
|
|
|
|
|
def test_reshape_view():
|
|
|
|
# Test view with same dtype
|
|
run_view(1024, 32, "float32")
|
|
run_view(2048, 64, "float16")
|
|
|
|
# Test view with dtype conversion
|
|
run_view(1024, 32, "float32", "float16")
|
|
run_view(2048, 64, "float16", "float32")
|
|
|
|
|
|
def view_shape_mismatch_test(N, M, dtype, new_dtype=None):
|
|
import tilelang.language as T
|
|
|
|
new_shape = [N // M, M + 1]
|
|
if new_dtype:
|
|
from tvm import DataType
|
|
dtype_src = DataType(dtype)
|
|
dtype_dst = DataType(new_dtype)
|
|
src_bits = dtype_src.bits
|
|
dst_bits = dtype_dst.bits
|
|
scale = src_bits / dst_bits
|
|
new_shape[-1] = int(M * scale)
|
|
|
|
@T.prim_func
|
|
def main(
|
|
A: T.Tensor((N,), dtype),
|
|
B: T.Tensor(new_shape, new_dtype if new_dtype else dtype),
|
|
):
|
|
with T.Kernel(1) as _:
|
|
A_viewed = T.view(A, new_shape, dtype=new_dtype)
|
|
T.copy(A_viewed, B)
|
|
|
|
return main
|
|
|
|
|
|
def test_view_shape_mismatch():
|
|
with pytest.raises(AssertionError):
|
|
view_shape_mismatch_test(1024, 32, "float32")
|
|
|
|
|
|
if __name__ == "__main__":
|
|
tilelang.testing.main()
|