import tilelang import tilelang.language as T M, N, K = 128, 128, 33 # K = BLOCK_K + 1 -> 1-element residual K-tile BM, BN, BK = 64, 64, 32 @T.prim_func def main(A: T.Tensor((M, K), T.float16), B: T.Tensor((K, N), T.float16), C: T.Tensor((M, N), T.float32)): with T.Kernel(T.ceildiv(N, BN), T.ceildiv(M, BM), threads=128) as (bx, by): As = T.alloc_shared((BM, BK), "float16") Bs = T.alloc_shared((BK, BN), "float16") Cl = T.alloc_fragment((BM, BN), "float32") T.clear(Cl) for k in T.Pipelined(T.ceildiv(K, BK), num_stages=2): T.copy(A[by * BM, k * BK], As) T.copy(B[k * BK, bx * BN], Bs) T.gemm(As, Bs, Cl) T.copy(Cl, C[by * BM, bx * BN]) def test_issue_2365(): tilelang.compile( main, out_idx=[2], pass_configs={ tilelang.PassConfigKey.TL_DISABLE_TMA_LOWER: True, tilelang.PassConfigKey.TL_DISABLE_WARP_SPECIALIZED: True, }, ) # crashes here if __name__ == "__main__": test_issue_2365()