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Description

Neptune brings organization and collaboration to data science projects. All the experiment-related objects are backed-up and organized ready to be analyzed, reproduced and shared with others. Works with any language, framework, infrastructure, and integrates with other tools.

Programming language: Python
License: Apache License 2.0
Latest version: v0.4.129

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README

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Flexible metadata store for MLOps, built for research and production teams that run a lot of experiments.

Neptune is a lightweight solution designed for:

  • Experiment tracking: log, display, organize, and compare ML experiments in a single place.
  • Model registry: version, store, manage, and query trained models and model-building metadata.
  • Monitoring ML runs live: record and monitor model training, evaluation, or production runs live.  

Getting started

Step 1: Sign up for a free account

Step 2: Install the Neptune client library

pip install neptune-client

Step 3: Connect Neptune to your code

import neptune.new as neptune

run = neptune.init_run(
    project="common/quickstarts",
    api_token=neptune.ANONYMOUS_API_TOKEN,
)

run["parameters"] = {
    "batch_size": 64,
    "dropout": 0.2,
    "optim": {"learning_rate": 0.001, "optimizer": "Adam"},
}

for epoch in range(100):
    run["train/accuracy"].log(epoch * 0.6)
    run["train/loss"].log(epoch * 0.4)

run["f1_score"] = 0.66

Open in Colab

 

Learn more in the documentation or check our video tutorials to find your specific use case.

Features

Log and display

Neptune supports log and display for many different types of metadata generated during the ML model lifecycle:

  • metrics and learning curves
  • parameters, tags, and properties
  • code, Git info, files, and Jupyter notebooks
  • hardware consumption (CPU, GPU, memory)
  • images, interactive charts, and HTML objects
  • audio and video files
  • tables and CSV files
  • and more

 

Compare

You can compare model-building runs you log to Neptune using various comparison views:

  • Charts: where you can compare learning curves for metrics or losses
  • Images: where you can compare images across runs
  • Parallel coordinates: where you can see parameters and metrics displayed on a parallel coordinates plot
  • Side-by-side: which shows you the difference between runs in a table format
  • Artifacts: where you can compare datasets, models, and other artifacts that you version in Neptune
  • Notebooks: which shows you the difference between notebooks (or checkpoints of the same notebook) logged to the project

 

Filter and organize

Filter, sort, and group model training runs using highly configurable dashboards.

 

Collaborate

Improve team management and collaboration by grouping all experiments into projects and workspaces and quickly sharing any result or visualization within the team.

 

Integrate with your favourite ML libraries

Neptune comes with 25+ integrations with Python libraries popular in machine learning, deep learning and reinforcement learning. Available integrations:

  • PyTorch and PyTorch Lightning
  • TensorFlow / Keras and TensorBoard
  • Scikit-learn, LightGBM, and XGBoost
  • Optuna, Scikit-Optimize, and Keras Tuner
  • Bokeh, Altair, Plotly, and Matplotlib
  • and more

PyTorch Lightning

Example:

from pytorch_lightning import Trainer
from pytorch_lightning.loggers import NeptuneLogger

# Create NeptuneLogger
neptune_logger = NeptuneLogger(
    api_key="ANONYMOUS",  # replace with your own
    project="common/pytorch-lightning-integration",  # "WORKSPACE_NAME/PROJECT_NAME"
    tags=["training", "resnet"],  # optional
)

# Pass it to the Trainer
trainer = Trainer(max_epochs=10, logger=neptune_logger)

# Run training
trainer.fit(my_model, my_dataloader)

neptune-pl  

github-code jupyter-code Open In Colab

TensorFow/Keras

Example:

import tensorflow as tf
import neptune.new as neptune
from neptune.new.integrations.tensorflow_keras import NeptuneCallback

run = neptune.init_run(
    project="common/tf-keras-integration",
    api_token=neptune.ANONYMOUS_API_TOKEN,
)

mnist = tf.keras.datasets.mnist
(x_train, y_train), (x_test, y_test) = mnist.load_data()
x_train, x_test = x_train / 255.0, x_test / 255.0

model = tf.keras.models.Sequential(
    [
        tf.keras.layers.Flatten(),
        tf.keras.layers.Dense(256, activation=tf.keras.activations.relu),
        tf.keras.layers.Dropout(0.5),
        tf.keras.layers.Dense(10, activation=tf.keras.activations.softmax),
    ]
)

optimizer = tf.keras.optimizers.SGD(
    learning_rate=0.005,
    momentum=0.4,
)

model.compile(
    optimizer=optimizer, loss="sparse_categorical_crossentropy", metrics=["accuracy"]
)

neptune_cbk = NeptuneCallback(run=run, base_namespace="metrics")
model.fit(x_train, y_train, epochs=5, batch_size=64, callbacks=[neptune_cbk])

neptune-pl  

github-code jupyter-code Open In Colab

Scikit-learn

Example:

from sklearn.datasets import load_digits
from sklearn.ensemble import GradientBoostingClassifier
from sklearn.model_selection import train_test_split
import neptune.new as neptune
import neptune.new.integrations.sklearn as npt_utils

run = neptune.init_run(
    project="common/sklearn-integration",
    api_token=neptune.ANONYMOUS_API_TOKEN,
    name="classification-example",
    tags=["GradientBoostingClassifier", "classification"],
)

parameters = {
    "n_estimators": 120,
    "learning_rate": 0.12,
    "min_samples_split": 3,
    "min_samples_leaf": 2,
}

gbc = GradientBoostingClassifier(**parameters)

X, y = load_digits(return_X_y=True)
X_train, X_test, y_train, y_test = train_test_split(
    X, y, test_size=0.20, random_state=28743
)

gbc.fit(X_train, y_train)

run["cls_summary"] = npt_utils.create_classifier_summary(
    gbc, X_train, X_test, y_train, y_test
)

neptune-pl  

github-code jupyter-code Open In Colab

fastai

Example:

import fastai
from neptune.new.integrations.fastai import NeptuneCallback
from fastai.vision.all import *
import neptune.new as neptune

run = neptune.init_run(
    project="common/fastai-integration",
    api_token=neptune.ANONYMOUS_API_TOKEN,
    tags="basic",
)

path = untar_data(URLs.MNIST_TINY)
dls = ImageDataLoaders.from_csv(path)

# Log all training phases of the learner
learn = cnn_learner(
    dls, resnet18, cbs=[NeptuneCallback(run=run, base_namespace="experiment")]
)
learn.fit_one_cycle(2)
learn.fit_one_cycle(1)

run.stop()

neptune-pl  

github-code jupyter-code Open In Colab

Optuna

Example:

import lightgbm as lgb
import neptune.new as neptune
import neptune.new.integrations.optuna as optuna_utils
import optuna
from sklearn.datasets import load_breast_cancer
from sklearn.metrics import roc_auc_score
from sklearn.model_selection import train_test_split

def objective(trial):
    data, target = load_breast_cancer(return_X_y=True)
    train_x, test_x, train_y, test_y = train_test_split(data, target, test_size=0.25)
    dtrain = lgb.Dataset(train_x, label=train_y)

    param = {
        "verbose": -1,
        "objective": "binary",
        "metric": "binary_logloss",
        "num_leaves": trial.suggest_int("num_leaves", 2, 256),
        "feature_fraction": trial.suggest_uniform("feature_fraction", 0.2, 1.0),
        "bagging_fraction": trial.suggest_uniform("bagging_fraction", 0.2, 1.0),
        "min_child_samples": trial.suggest_int("min_child_samples", 3, 100),
    }

    gbm = lgb.train(param, dtrain)
    preds = gbm.predict(test_x)
    accuracy = roc_auc_score(test_y, preds)

    return accuracy


# Create a Neptune run
run = neptune.init_run(
    api_token=neptune.ANONYMOUS_API_TOKEN,
    project="common/optuna-integration",
)

# Create a NeptuneCallback for Optuna
neptune_callback = optuna_utils.NeptuneCallback(run)

# Pass NeptuneCallback to Optuna Study .optimize()
study = optuna.create_study(direction="maximize")
study.optimize(objective, n_trials=20, callbacks=[neptune_callback])

# Stop logging to the run
run.stop()

neptune-pl  

github-code jupyter-code Open In Colab

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Support

If you get stuck or simply want to talk to us about something, here are your options:

  • Check our FAQ page.
  • Chat! In the app, click the blue message icon in the bottom-right corner and send a message. A real person will talk to you ASAP (typically very ASAP).
  • You can just shoot us an email at [email protected].

People behind Neptune

Created with :heart: by the Neptune.ai team:

Piotr, Jakub, Paulina, Kamil, Magdalena, Małgorzata, Piotr, Aleksandra, Marcin, Hubert, Adam, Jakub, Paweł, Patrycja, Marcin, Jakub, Prince, Rafał, Dominika, Karolina, Parth, Rafał, Stephen, Sabine, Martyna, Artur, Franciszek, Aleksiej, Kshiteej, Tomasz, Tymoteusz, Piotr, Chaz, Michał, Siddhant, Karolina, Valentina, Bartosz, Alexandra, Patryk, Aleksander, and you?