tensorboardX
Write TensorBoard events with simple function call.
Support scalar
, image
, figure
, histogram
, audio
, text
, graph
, onnx_graph
, embedding
, pr_curve
, mesh
, hyper-parameters
and video
summaries.
requirement for demo_graph.py
is tensorboardX>=1.9 and pytorch>=1.2
FAQ
Install
Tested on anaconda2 / anaconda3, with PyTorch 1.1.0 / torchvision 0.3 / tensorboard 1.13.0
pip install tensorboardX
or build from source:
git clone https://github.com/lanpa/tensorboardX && cd tensorboardX && python setup.py install
You can optionally install crc32c
to speed up saving a large amount of data.
Example
# demo.pyimport torchimport torchvision.utils as vutilsimport numpy as npimport torchvision.models as modelsfrom torchvision import datasetsfrom tensorboardX import SummaryWriter
resnet18 = models.resnet18(False)
writer = SummaryWriter()
sample_rate = 44100freqs = [262, 294, 330, 349, 392, 440, 440, 440, 440, 440, 440]for n_iter in range(100):
dummy_s1 = torch.rand(1)
dummy_s2 = torch.rand(1) # data grouping by `slash`
writer.add_scalar('data/scalar1', dummy_s1[0], n_iter)
writer.add_scalar('data/scalar2', dummy_s2[0], n_iter)
writer.add_scalars('data/scalar_group', {'xsinx': n_iter * np.sin(n_iter), 'xcosx': n_iter * np.cos(n_iter), 'arctanx': np.arctan(n_iter)}, n_iter)
dummy_img = torch.rand(32, 3, 64, 64) # output from network
if n_iter % 10 == 0:
x = vutils.make_grid(dummy_img, normalize=True, scale_each=True)
writer.add_image('Image', x, n_iter)
dummy_audio = torch.zeros(sample_rate * 2) for i in range(x.size(0)): # amplitude of sound should in [-1, 1]
dummy_audio[i] = np.cos(freqs[n_iter // 10] * np.pi * float(i) / float(sample_rate))
writer.add_audio('myAudio', dummy_audio, n_iter, sample_rate=sample_rate)
writer.add_text('Text', 'text logged at step:' + str(n_iter), n_iter) for name, param in resnet18.named_parameters():
writer.add_histogram(name, param.clone().cpu().data.numpy(), n_iter) # needs tensorboard 0.4RC or later
writer.add_pr_curve('xoxo', np.random.randint(2, size=100), np.random.rand(100), n_iter)
dataset = datasets.MNIST('mnist', train=False, download=True)
images = dataset.test_data[:100].float()
label = dataset.test_labels[:100]
features = images.view(100, 784)
writer.add_embedding(features, metadata=label, label_img=images.unsqueeze(1))# export scalar data to JSON for external processingwriter.export_scalars_to_json("./all_scalars.json")
writer.close()
Screenshots