Files
tilelang/testing/python/webgpu/test_webgpu_codegen.py
T
Zhiwen Mo f58bcd43f1 [SM100] Add sm100 GEMM layouts and tcgen05 support (#887)
* update sm100 related utcmma, tmem, ld/st256 in src
* update sm100 related utcmma, tmem, ld/st256 in tilelang
* Remove deprecated GEMM examples and related README documentation for SM100 architecture support
* Update GEMM implementation to replace UTCMMA with TCGEN5MMA across relevant files
* Remove gemm_umma.py example and update README to reflect TCGEN5MMA terminology changes
* Update README.md for gemm_sm100 example by removing outdated API sections and streamlining documentation
* Update README and source files to reflect TCGEN5.MMA terminology changes
* Refactor CUDA GEMM header for improved readability
2025-09-28 16:49:39 +08:00

61 lines
1.8 KiB
Python

import tilelang
from tilelang import tvm as tvm
import tilelang.testing
import tilelang.language as T
def matmul(M, N, K, block_M, block_N, block_K, dtype="float16", accum_dtype="float"):
@T.prim_func
def main(
A: T.Tensor((M, K), dtype),
B: T.Tensor((K, N), dtype),
C: T.Tensor((M, N), dtype),
):
# Initialize Kernel Context
with T.Kernel(T.ceildiv(N, block_N), T.ceildiv(M, block_M), threads=128) as (bx, by):
A_shared = T.alloc_shared((block_M, block_K), dtype)
B_shared = T.alloc_shared((block_K, block_N), dtype)
C_local = T.alloc_fragment((block_M, block_N), accum_dtype)
T.clear(C_local)
for ko in T.Pipelined(T.ceildiv(K, block_K), num_stages=0):
T.copy(A[by * block_M, ko * block_K], A_shared, coalesced_width=2)
T.copy(B[ko * block_K, bx * block_N], B_shared, coalesced_width=2)
for i, j, k in T.grid(block_M, block_N, block_K):
C_local[i, j] += A_shared[i, k] * B_shared[k, j]
T.copy(C_local, C[by * block_M, bx * block_N], coalesced_width=2)
return main
def assert_gemm_codegen(
M,
N,
K,
block_M,
block_N,
block_K,
dtype="float16",
accum_dtype="float",
):
func = matmul(M, N, K, block_M, block_N, block_K, dtype=dtype, accum_dtype=accum_dtype)
# Because the current pass context have been polluted by previous testing.
with tvm.transform.PassContext(), tvm.target.Target("webgpu"):
artifact = tilelang.lower(func, target="webgpu")
src_code = artifact.kernel_source
assert src_code is not None
def test_gemm_codegen():
assert_gemm_codegen(1024, 1024, 1024, 16, 16, 16)
if __name__ == "__main__":
tilelang.testing.main()