mindspore/tests/st/ops/cpu/test_gather_op.py

305 lines
9.7 KiB
Python

# Copyright 2020 Huawei Technologies Co., Ltd
#
# Licensed 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 numpy as np
from mindspore import Tensor
from mindspore.ops import operations as P
import mindspore.nn as nn
import mindspore.context as context
from mindspore.common import dtype as mstype
from mindspore.ops.functional import vmap
context.set_context(mode=context.GRAPH_MODE, device_target='CPU')
class NetGatherV2_axis0(nn.Cell):
def __init__(self):
super(NetGatherV2_axis0, self).__init__()
self.gatherv2 = P.Gather()
def construct(self, params, indices):
return self.gatherv2(params, indices, 0)
@pytest.mark.level0
@pytest.mark.platform_x86_cpu
@pytest.mark.env_onecard
def test_gatherv2_axis0():
x = Tensor(np.arange(3 * 2 * 2).reshape(3, 2, 2), mstype.float32)
indices = Tensor(np.array([1, 2]), mstype.int32)
gatherv2 = NetGatherV2_axis0()
ms_output = gatherv2(x, indices)
print("output:\n", ms_output)
expect = np.array([[[4., 5.],
[6., 7.]],
[[8., 9.],
[10., 11.]]])
error = np.ones(shape=ms_output.asnumpy().shape) * 1.0e-6
diff = ms_output.asnumpy() - expect
assert np.all(diff < error)
assert np.all(-diff < error)
class NetGatherV2_axis1(nn.Cell):
def __init__(self):
super(NetGatherV2_axis1, self).__init__()
self.gatherv2 = P.Gather()
def construct(self, params, indices):
return self.gatherv2(params, indices, 1)
@pytest.mark.level0
@pytest.mark.platform_x86_cpu
@pytest.mark.env_onecard
def test_gatherv2_axis1():
x = Tensor(np.arange(2 * 3 * 2).reshape(2, 3, 2), mstype.float32)
indices = Tensor(np.array([1, 2]), mstype.int32)
gatherv2 = NetGatherV2_axis1()
ms_output = gatherv2(x, indices)
print("output:\n", ms_output)
expect = np.array([[[2., 3.],
[4., 5.]],
[[8., 9.],
[10., 11.]]])
error = np.ones(shape=ms_output.asnumpy().shape) * 1.0e-6
diff = ms_output.asnumpy() - expect
assert np.all(diff < error)
assert np.all(-diff < error)
class NetGatherV2_axisN1(nn.Cell):
def __init__(self):
super(NetGatherV2_axisN1, self).__init__()
self.gatherv2 = P.Gather()
def construct(self, params, indices):
return self.gatherv2(params, indices, -1)
@pytest.mark.level0
@pytest.mark.platform_x86_cpu
@pytest.mark.env_onecard
def test_gatherv2_axisN1():
x = Tensor(np.arange(2 * 2 * 3).reshape(2, 2, 3), mstype.float32)
indices = Tensor(np.array([1, 2]), mstype.int32)
gatherv2 = NetGatherV2_axisN1()
ms_output = gatherv2(x, indices)
print("output:\n", ms_output)
expect = np.array([[[1., 2.],
[4., 5.]],
[[7., 8.],
[10., 11.]]])
error = np.ones(shape=ms_output.asnumpy().shape) * 1.0e-6
diff = ms_output.asnumpy() - expect
assert np.all(diff < error)
assert np.all(-diff < error)
def cal_vmap_gather(x, indices, axis):
return P.Gather()(x, indices, axis)
@pytest.mark.level0
@pytest.mark.platform_x86_cpu
@pytest.mark.env_onecard
def test_gather_vmap_basic():
"""
Feature: gather vmap test on cpu.
Description: test the rightness of vmap gather basic.
Expectation: use vmap rule's result equal to manually batched.
"""
x = Tensor(np.array([[1, 2, 3], [4, 5, 6]]).astype(np.float32))
indices = Tensor(np.array([[0, 1], [1, 2]]).astype(np.int32))
axis = 0
outputs = vmap(cal_vmap_gather, in_axes=(0, 0, None), out_axes=0)(x, indices, axis)
print("output:\n", outputs)
expect = np.array([[1, 2],
[5, 6]]).astype(np.float32)
assert np.allclose(outputs.asnumpy(), expect)
@pytest.mark.level0
@pytest.mark.platform_x86_cpu
@pytest.mark.env_onecard
def test_gather_vmap_negative_axis():
"""
Feature: gather vmap test on cpu.
Description: test the rightness of vmap gather when axis is negative.
Expectation: use vmap rule's result equal to manually batched.
"""
x = Tensor(np.array([[[1, 2, 3],
[4, 5, 6]],
[[7, 8, 9],
[10, 11, 12]]]).astype(np.float32))
indices = Tensor(np.array([[0, 1], [1, 0]]).astype(np.int32))
axis = -2
outputs = vmap(cal_vmap_gather, in_axes=(0, 0, None), out_axes=0)(x, indices, axis)
print("output:\n", outputs)
expect = np.array([[[1, 2, 3],
[4, 5, 6]],
[[10, 11, 12],
[7, 8, 9]]]).astype(np.float32)
assert np.allclose(outputs.asnumpy(), expect)
@pytest.mark.level0
@pytest.mark.platform_x86_cpu
@pytest.mark.env_onecard
def test_gather_vmap_with_inaxes():
"""
Feature: gather vmap test on cpu.
Description: test the rightness of vmap gather when in_axes is not zero.
Expectation: use vmap rule's result equal to manually batched.
"""
x = Tensor(np.array([[[1, 2, 3],
[4, 5, 6]],
[[7, 8, 9],
[10, 11, 12]]]).astype(np.float32))
x = np.moveaxis(x, 0, 2)
indices = Tensor(np.array([[0, 1], [1, 0]]).astype(np.int32))
indices = np.moveaxis(indices, 0, 1)
axis = 0
outputs = vmap(cal_vmap_gather, in_axes=(2, 1, None), out_axes=0)(x, indices, axis)
print("output:\n", outputs)
expect = np.array([[[1, 2, 3],
[4, 5, 6]],
[[10, 11, 12],
[7, 8, 9]]]).astype(np.float32)
assert np.allclose(outputs.asnumpy(), expect)
@pytest.mark.level0
@pytest.mark.platform_x86_cpu
@pytest.mark.env_onecard
def test_gather_vmap_indices_outofbound():
"""
Feature: gather vmap test on cpu.
Description: test the rightness of vmap gather when indices out of bound.
Expectation: use vmap rule's result equal to manually batched.
"""
x = Tensor(np.array([[[1, 2, 3],
[4, 5, 6]],
[[7, 8, 9],
[10, 11, 12]]]).astype(np.float32))
indices = Tensor(np.array([[0, 2], [2, 0]]).astype(np.int32))
axis = 0
outputs = vmap(cal_vmap_gather, in_axes=(0, 0, None), out_axes=0)(x, indices, axis)
print("output:\n", outputs)
expect = np.array([[[1, 2, 3],
[0, 0, 0]],
[[0, 0, 0],
[7, 8, 9]]]).astype(np.float32)
assert np.allclose(outputs.asnumpy(), expect)
@pytest.mark.level0
@pytest.mark.platform_x86_cpu
@pytest.mark.env_onecard
def test_gather_vmap_xdim_is_none():
"""
Feature: gather vmap test on cpu.
Description: test the rightness of vmap gather when no xdim.
Expectation: use vmap rule's result equal to manually batched.
"""
x = Tensor(np.array([1, 2, 3]).astype(np.float32))
indices = Tensor(np.array([[0, 1], [2, 0]]).astype(np.int32))
axis = 0
outputs = vmap(cal_vmap_gather, in_axes=(None, 0, None), out_axes=0)(x, indices, axis)
print("output:\n", outputs)
expect = np.array([[1, 2],
[3, 1]]).astype(np.float32)
assert np.allclose(outputs.asnumpy(), expect)
@pytest.mark.level0
@pytest.mark.platform_x86_cpu
@pytest.mark.env_onecard
def test_gather_vmap_idim_is_none():
"""
Feature: gather vmap test on cpu.
Description: test the rightness of nested vmap gather.
Expectation: use vmap rule's result equal to manually batched.
"""
x = Tensor(np.array([[1, 2, 3], [4, 5, 6]]).astype(np.float32))
indices = Tensor(np.array([0, 1]).astype(np.int32))
axis = 0
outputs = vmap(cal_vmap_gather, in_axes=(0, None, None), out_axes=0)(x, indices, axis)
print("output:\n", outputs)
expect = np.array([[1, 2],
[4, 5]]).astype(np.float32)
assert np.allclose(outputs.asnumpy(), expect)
@pytest.mark.level0
@pytest.mark.platform_x86_cpu
@pytest.mark.env_onecard
def test_gather_vmap_nested():
"""
Feature: gather vmap test on cpu.
Description: test the rightness of nested vmap gather.
Expectation: use vmap rule's result equal to manually batched.
"""
x = Tensor(np.array([[[1, 2, 3],
[4, 5, 6]],
[[7, 8, 9],
[10, 11, 12]]]).astype(np.float32))
indices = Tensor(np.array([[[0, 1],
[1, 0]],
[[0, 1],
[1, 0]]]).astype(np.int32))
axis = 0
outputs = vmap(vmap(cal_vmap_gather, in_axes=(0, 0, None), out_axes=0),
in_axes=(0, 0, None), out_axes=0)(x, indices, axis)
print("output:\n", outputs)
expect = np.array([[[1, 2],
[5, 4]],
[[7, 8],
[11, 10]]]).astype(np.float32)
assert np.allclose(outputs.asnumpy(), expect)
if __name__ == '__main__':
test_gatherv2_axis0()
test_gatherv2_axis1()
test_gatherv2_axisN1()
test_gather_vmap_basic()
test_gather_vmap_negative_axis()
test_gather_vmap_with_inaxes()
test_gather_vmap_indices_outofbound()
test_gather_vmap_xdim_is_none()
test_gather_vmap_idim_is_none()
test_gather_vmap_nested()