tqchen commented on a change in pull request #10843: URL: https://github.com/apache/tvm/pull/10843#discussion_r841121959
########## File path: tests/python/unittest/test_tir_renew_defs.py ########## @@ -0,0 +1,154 @@ +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. + +import pytest +import sys + +import tvm +from tvm.script import tir as T +from tvm.tir.buffer import Buffer +from tvm.tir.function import PrimFunc +from tvm.tir.stmt import Block + + +def _check_func_signature_remap(lhs: PrimFunc, rhs: PrimFunc): + assert lhs != rhs + for x, y in zip(lhs.params, rhs.params): + assert x != y + assert lhs.buffer_map[x] != rhs.buffer_map[y] + + +def _check_buffer_decl(lhs: Buffer, rhs: Buffer): + assert lhs != rhs + assert lhs.data != rhs.data + + +def _check_block_signature_remap(lhs: Block, rhs: Block): + assert lhs != rhs + for x, y in zip(lhs.iter_vars, rhs.iter_vars): + assert x != y + assert x.var != y.var + for x, y in zip(lhs.alloc_buffers, rhs.alloc_buffers): + _check_buffer_decl(x, y) + for x, y in zip(lhs.match_buffers, rhs.match_buffers): + assert x != y + _check_buffer_decl(x.buffer, y.buffer) + + +def test_simple(): + @T.prim_func + # Buffer A should be remapped + def elementwise(A: T.Buffer[(128, 128), "float32"]): + # Buffer B should be remapped + B = T.alloc_buffer((128, 128), "float32") + # i, j should be remapped + for i, j in T.grid(128, 128): + with T.block("B"): + # vi, vj should be remapped + vi, vj = T.axis.remap("SS", [i, j]) + T.reads(A[vi, vj]) + T.writes(B[vi, vj]) + B[vi, vj] = A[vi, vj] * 2.0 + + f1 = elementwise + f2 = tvm.tir.stmt_functor.renew_defs(f1) + tvm.ir.assert_structural_equal(f1, f2) + + _check_func_signature_remap(f1, f2) + # check root block + _check_block_signature_remap(f1.body.block, f2.body.block) + # check remap of i + assert f1.body.block.body.loop_var != f2.body.block.body.loop_var + # check remap of j + assert f1.body.block.body.body.loop_var != f2.body.block.body.body.loop_var + # check inner block + def _get_block(f): + return f.body.block.body.body.body.block + + _check_block_signature_remap(_get_block(f1), _get_block(f2)) + + +def test_match_buffer(): + @T.prim_func + # A and B should be remapped + def func_match_buffer(A: T.Buffer[(128, 128), "float32"], B: T.Buffer[(128, 128), "float32"]): + with T.block("root"): + s = T.var("int32") Review comment: enhance an additional case where we do have dynamic input shape A and B(with same shape constrain, n, m) to ensure that the symbolic shape are mapped to the same places ```python def fn(a: T.handle, b: T.handle) n = T.var("int32") A = match_buffer((n, m), a) B = match_bufer((n, m*2), b) ``` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
