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Merge pull request #1212 from spcl/fix-intermediate-nodes
Fix-intermediate-nodes
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tests/transformations/remove_intermediate_write_test.py
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# Copyright 2019-2023 ETH Zurich and the DaCe authors. All rights reserved. | ||
import copy | ||
import dace | ||
import numpy as np | ||
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from dace.transformation.dataflow import RemoveIntermediateWrite | ||
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def test_write_before_map_exit(): | ||
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sdfg = dace.SDFG('test_write_before_map_exit') | ||
sdfg.add_array('A', (10, ), dace.int32) | ||
sdfg.add_array('B', (10, ), dace.int32) | ||
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state = sdfg.add_state('state') | ||
me, mx = state.add_map('map', dict(i='0:10')) | ||
a_access = state.add_read('A') | ||
b_access = state.add_write('B') | ||
tasklet = state.add_tasklet('tasklet', {'__inp'}, {'__out'}, '__out = __inp') | ||
state.add_memlet_path(a_access, me, tasklet, memlet=dace.Memlet(data='A', subset='i'), dst_conn='__inp') | ||
state.add_edge(tasklet, '__out', b_access, None, dace.Memlet(data='B', subset='i')) | ||
state.add_edge(b_access, None, mx, None, dace.Memlet()) | ||
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A = np.arange(10, dtype=np.int32) | ||
ref = A | ||
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before_val = np.empty((10, ), dtype=np.int32) | ||
after_val = np.empty((10, ), dtype=np.int32) | ||
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sdfg_before = copy.deepcopy(sdfg) | ||
sdfg_before(A=A, B=before_val) | ||
assert np.allclose(before_val, ref) | ||
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sdfg.apply_transformations_repeated(RemoveIntermediateWrite) | ||
sdfg(A=A, B=after_val) | ||
assert np.allclose(after_val, ref) | ||
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def test_write_before_nested_map_exit(): | ||
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sdfg = dace.SDFG('test_write_before_nested_map_exit') | ||
sdfg.add_array('A', (10, 10), dace.int32) | ||
sdfg.add_array('B', (10, 10), dace.int32) | ||
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state = sdfg.add_state('state') | ||
me0, mx0 = state.add_map('map', dict(i='0:10')) | ||
me1, mx1 = state.add_map('map2', dict(j='0:10')) | ||
a_access = state.add_read('A') | ||
b_access = state.add_write('B') | ||
tasklet = state.add_tasklet('tasklet', {'__inp'}, {'__out'}, '__out = __inp') | ||
state.add_memlet_path(a_access, me0, me1, tasklet, memlet=dace.Memlet(data='A', subset='i, j'), dst_conn='__inp') | ||
state.add_edge(tasklet, '__out', b_access, None, dace.Memlet(data='B', subset='i, j')) | ||
state.add_nedge(b_access, mx1, dace.Memlet()) | ||
state.add_nedge(mx1, mx0, dace.Memlet()) | ||
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A = np.arange(100, dtype=np.int32).reshape((10, 10)).copy() | ||
ref = A | ||
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before_val = np.empty((10, 10), dtype=np.int32) | ||
after_val = np.empty((10, 10), dtype=np.int32) | ||
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sdfg_before = copy.deepcopy(sdfg) | ||
sdfg_before(A=A, B=before_val) | ||
assert np.allclose(before_val, ref) | ||
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sdfg.apply_transformations_repeated(RemoveIntermediateWrite) | ||
sdfg(A=A, B=after_val) | ||
assert np.allclose(after_val, ref) | ||
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def test_write_before_nested_map_exit_2(): | ||
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sdfg = dace.SDFG('test_write_before_nested_map_exit_2') | ||
sdfg.add_array('A', (10, 10), dace.int32) | ||
sdfg.add_array('B', (10, 10), dace.int32) | ||
sdfg.add_array('C', (10, ), dace.int32, transient=True) | ||
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state = sdfg.add_state('state') | ||
me0, mx0 = state.add_map('map', dict(i='0:10')) | ||
me1, mx1 = state.add_map('map2', dict(j='0:10')) | ||
a_access = state.add_read('A') | ||
b_access = state.add_write('B') | ||
c_access = state.add_write('C') | ||
tasklet0 = state.add_tasklet('tasklet0', {'__inp'}, {'__out'}, '__out = __inp') | ||
tasklet1 = state.add_tasklet('tasklet1', {'__inp'}, {'__out'}, '__out = __inp') | ||
state.add_memlet_path(a_access, me0, me1, tasklet0, memlet=dace.Memlet(data='A', subset='i, j'), dst_conn='__inp') | ||
state.add_memlet_path(a_access, me0, me1, tasklet1, memlet=dace.Memlet(data='A', subset='i, j'), dst_conn='__inp') | ||
state.add_edge(tasklet0, '__out', b_access, None, dace.Memlet(data='B', subset='i, j')) | ||
state.add_edge(tasklet1, '__out', c_access, None, dace.Memlet(data='C', subset='j')) | ||
state.add_nedge(b_access, mx1, dace.Memlet()) | ||
state.add_nedge(c_access, mx1, dace.Memlet()) | ||
state.add_nedge(mx1, mx0, dace.Memlet()) | ||
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A = np.arange(100, dtype=np.int32).reshape((10, 10)).copy() | ||
ref = A | ||
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before_val = np.empty((10, 10), dtype=np.int32) | ||
after_val = np.empty((10, 10), dtype=np.int32) | ||
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sdfg_before = copy.deepcopy(sdfg) | ||
sdfg_before(A=A, B=before_val) | ||
assert np.allclose(before_val, ref) | ||
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sdfg.apply_transformations_repeated(RemoveIntermediateWrite) | ||
c_nodes = [n for n in state.data_nodes() if n.data == 'C'] | ||
assert len(c_nodes) == 1 | ||
assert len(state.edges_between(tasklet1, c_nodes[0])) == 0 | ||
assert len(state.edges_between(c_nodes[0], mx1)) == 0 | ||
assert len(state.edges_between(mx1, c_nodes[0])) == 1 | ||
assert len(state.edges_between(c_nodes[0], mx0)) == 1 | ||
assert len(state.edges_between(mx0, c_nodes[0])) == 0 | ||
sdfg(A=A, B=after_val) | ||
assert np.allclose(after_val, ref) | ||
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if __name__ == '__main__': | ||
test_write_before_map_exit() | ||
test_write_before_nested_map_exit() | ||
test_write_before_nested_map_exit_2() |