icefall/egs/librispeech/ASR/conformer_ctc/test_subsampling.py
Fangjun Kuang abadc71415
Use new APIs with k2.RaggedTensor (#38)
* Use new APIs with k2.RaggedTensor

* Fix style issues.

* Update the installation doc, saying it requires at least k2 v1.7

* Use k2 v1.7
2021-09-08 14:55:30 +08:00

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Python
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#!/usr/bin/env python3
# Copyright 2021 Xiaomi Corp. (authors: Fangjun Kuang)
#
# See ../../../../LICENSE for clarification regarding multiple authors
#
# 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 torch
from subsampling import Conv2dSubsampling, VggSubsampling
def test_conv2d_subsampling():
N = 3
odim = 2
for T in range(7, 19):
for idim in range(7, 20):
model = Conv2dSubsampling(idim=idim, odim=odim)
x = torch.empty(N, T, idim)
y = model(x)
assert y.shape[0] == N
assert y.shape[1] == ((T - 1) // 2 - 1) // 2
assert y.shape[2] == odim
def test_vgg_subsampling():
N = 3
odim = 2
for T in range(7, 19):
for idim in range(7, 20):
model = VggSubsampling(idim=idim, odim=odim)
x = torch.empty(N, T, idim)
y = model(x)
assert y.shape[0] == N
assert y.shape[1] == ((T - 1) // 2 - 1) // 2
assert y.shape[2] == odim