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Parallel Hyperparameter Tuning in Python

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최종 버전 다운로드 (.zip)

- - python-app.yml
- - MetaTuner-on-bcancer.ipynb
  - MetaTuner-on-functions.ipynb
- 1D_Mango_Different_Parallelization.ipynb
- 1D_Mango_Visualizations.ipynb
- Convex_Function_1D_HyperOpt.ipynb
- Convex_Function_1D_Parallel_5.ipynb
- Convex_Function_1D_Random.ipynb
- Convex_Function_1D_Serial.ipynb
- Convex_Function_Uniform_1D_Random.ipynb
- Convex_Function_Uniform_1D_Serial.ipynb
- Final_Brann_Benchmark_All_Plots.ipynb
- Final_Camel_Batch_Mango.ipynb
- Final_Camel_Batch_Mango_Clustering.ipynb
- Final_Camel_HyperOpt_All_Plots_working.ipynb
- Final_Camel_Random.ipynb
- Final_Camel_Serial_Mango.ipynb
- Final_Camel_Serial_Mango_Only_Alpha.ipynb
- Final_Convex_Function_1D_HyperOpt.ipynb
- Final_Convex_Function_Uniform_1D_Parallel_Mango_Working.ipynb
- Final_Convex_Function_Uniform_1D_Serial_Mango_Plots.ipynb
- Final_Convex_Function_Uniform_1D_Serial_Random.ipynb
- Final_SVM_HyperOpt_All_Plots_working.ipynb
- Final_SVM_Parallel_Mango_Clustering.ipynb
- Final_SVM_Parallel_Mango_working.ipynb
- Final_SVM_Random.ipynb
- Final_SVM_Serial_Mango.ipynb
- Final_XGBoost_HyperOpt_All_Plots.ipynb
- Final_XGBoost_Parallel_Mango.ipynb
- Final_XGBoost_Parallel_Mango_Clustering.ipynb
- Final_XGBoost_Random.ipynb
- Final_XGBoost_Serial_Mango.ipynb
- Final_XGBoost_Serial_Mango_Alpha.ipynb
- Hyperopt bitfarm.ipynb
- Parameter_Spaces_Evaluated.ipynb
- Time_Calculations.ipynb
- Xgboost_XGBClassifier_Serial.ipynb
- demo_video.png
- Mango_CogMI_paper.pdf
- Mango_cogml_slides.pdf
- Mango_github_slides.pdf
- Mango_video_svm.mp4
- - __init__.py
  - celery.py
  - CeleryTasks.py
  - prophet.py
  - xgboosttree.py
- - ARIMA_Example_1.ipynb
  - Prophet_Example_1.ipynb
  - XGBoost_Example_1.ipynb
  - XGBoost_Example_2.ipynb
  - XGBoost_Example_3.ipynb
  - XGBoost_Example_4.ipynb
- __init__.py
- Bitfarm_Function.ipynb
- Branin_Benchmark.ipynb
- Constrained Optimization.ipynb
- Convex_Function_Example.ipynb
- Convex_Function_Example_1D.ipynb
- Convex_Function_Example_Random_Bayesian_Comparison.ipynb
- Debugging_Mango.ipynb
- EarlyStopping.ipynb
- Failure_Handling.ipynb
- Failure_Handling_Parallel.ipynb
- Getting_Started.ipynb
- getting_started.py
- KNN_Celery.ipynb
- knn_celery.py
- KNN_Example.ipynb
- knn_serial.py
- Multiple_Local_Optima_Example.ipynb
- NAS_Mnist.ipynb
- NeuralNetwork_Simple.ipynb
- Prophet_Celery.ipynb
- Prophet_Classifier.ipynb
- requirements.txt
- Rosenbrock_Valley_Example.ipynb
- simple_celery.py
- Simple_Function.ipynb
- simple_parallel.py
- SVM_Example.ipynb
- SVM_Example_Screen_shot.ipynb
- Test functions for constrained optimization.ipynb
- warmup.ipynb
- Xgboost_Example.ipynb
- Xgboost_XGBClassifier.ipynb
- - __init__.py
  - distribution.py
  - domain_space.py
  - parameter_sampler.py
- - __init__.py
  - base_predictor.py
  - bayesian_learning.py
- __init__.py
- metatuner.py
- scheduler.py
- tuner.py
- conftest.py
- test_config.py
- test_domain_space.py
- test_tuner.py
.gitignore
dev_notes.md
development.md
LICENSE
License.txt
poetry.lock
pyproject.toml
README.md

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# Mango: A parallel hyperparameter tuning library

**Mango** is a python library to find the optimal hyperparameters for machine learning classifiers. 
Mango enables parallel optimization over complex search spaces of continuous/discrete/categorical values.

**Check out the quick 12 seconds demo** of Mango approximating a complex decision boundary of SVM

[![AirSim Drone Demo Video](https://raw.githubusercontent.com/ARM-software/mango/main/documents/demo_video.png)](https://youtu.be/hFmSdDLLUfY)

Mango has the following salient features:
- Easily define complex search spaces compatible with the scikit-learn.
- A novel state-of-the-art gradient-free optimizer for continuous/discrete/categorical values.
- Modular design to schedule objective function on local, cluster,  or cloud infrastructure.
- Failure detection in the application layer for scalability on commodity hardware.
- New features are continuously added due to the testing and usage in production settings.

## Index
1. [Installation](#setup)
2. [Getting started ](#getting-started)
3. [Hyperparameter tuning example ](#knnexample)
4. [Search space definitions](#DomainSpace)
5. [Scheduler](#scheduler)
6. [Optional configurations](#MangoConfigurations)
7. [Additional features](#AdditionalFeatures)
8. [CASH feature](#CASHFeature)
9. [Platform-aware neural architecture search](https://github.com/ARM-software/mango/tree/master/examples/THIN-Bayes)
10. [Mango introduction slides](https://github.com/ARM-software/mango/blob/master/documents/Mango_github_slides.pdf) & [Mango production usage slides](https://github.com/ARM-software/mango/blob/master/documents/Mango_cogml_slides.pdf).
11. [Core Mango research papers to cite](#CorePapers) and [novel applications built over Mango](#ApplicationPapers)

<a name="setup"></a>
## 1. Installation
Using `pip`:
```
pip install arm-mango
```
From source:
```
$ git clone https://github.com/ARM-software/mango.git
$ cd mango
$ pip3 install .
```

<a name="getting-started"></a>
## 2. Getting Started
Mango is straightforward to use. Following example minimizes the quadratic function whose input is an integer between -10 and 10.

```python
from mango import scheduler, Tuner

# Search space
param_space = dict(x=range(-10,10))

# Quadratic objective Function
@scheduler.serial
def objective(x):
    return x * x

# Initialize and run Tuner
tuner = Tuner(param_space, objective)
results = tuner.minimize()

print(f'Optimal value of parameters: {results["best_params"]} and objective: {results["best_objective"]}')
# => Optimal value of parameters: {'x': 0}  and objective: 0
```

<a name="knnexample"></a>
## 3. Hyperparameter Tuning Example

```python
from sklearn import datasets
from sklearn.neighbors import KNeighborsClassifier
from sklearn.model_selection import cross_val_score

from mango import Tuner, scheduler

# search space for KNN classifier's hyperparameters
# n_neighbors can vary between 1 and 50, with different choices of algorithm
param_space = dict(n_neighbors=range(1, 50),
                   algorithm=['auto', 'ball_tree', 'kd_tree', 'brute'])

@scheduler.serial
def objective(**params):
    X, y = datasets.load_breast_cancer(return_X_y=True)
    clf = KNeighborsClassifier(**params)
    score = cross_val_score(clf, X, y, scoring='accuracy').mean()
    return score

tuner = Tuner(param_space, objective)
results = tuner.maximize()
print('best parameters:', results['best_params'])
print('best accuracy:', results['best_objective'])
# => best parameters: {'algorithm': 'ball_tree', 'n_neighbors': 11}
# => best accuracy: 0.9332401800962584
```
Note that best parameters may be different but accuracy should be ~ 0.93. More examples are available
in the `examples` directory ([Facebook's Prophet](https://github.com/ARM-software/mango/blob/master/examples/Prophet_Classifier.ipynb),
[XGBoost](https://github.com/ARM-software/mango/blob/master/examples/Xgboost_XGBClassifier.ipynb), [SVM](https://github.com/ARM-software/mango/blob/master/examples/SVM_Example.ipynb)).

<a name="DomainSpace"></a>
## 4. Search Space
The search space defines the range and distribution of input parameters to the objective function.
Mango search space is compatible with scikit-learn's parameter space definitions used in
[RandomizedSearchCV](https://scikit-learn.org/stable/modules/generated/sklearn.model_selection.RandomizedSearchCV.html)
 or [GridSearchCV](https://scikit-learn.org/stable/modules/generated/sklearn.model_selection.GridSearchCV.html).
The search space is defined as a dictionary with keys being the parameter names (string) and values being
list of discreet choices, range of integers or the distributions.

> [!NOTE]  
> Mango does not scale or normalize the search space parameters by default. Users should use their judgement on whether input space needs to be normalized.

Example of some common search spaces are:

### Integer
Following space defines `x` as an integer parameters with values in `range(-10, 11)` (11 is not included):
```python
param_space = dict(x=range(-10, 11)) #=> -10, -9, ..., 10
# you can use steps for sparse ranges
param_space = dict(x=range(0, 101, 10)) #=> 0, 10, 20, ..., 100
```
Integers are uniformly sampled from the given range and are assumed to be ordered and treated as continuous variables.

### Categorical
Discreet categories can be defined as lists. For example:
```python
# string
param_space = dict(color=['red', 'blue', 'green'])
# float
param_space = dict(v=[0.2, 0.1, 0.3])
# mixed
param_space = dict(max_features=['auto', 0.2, 0.3])
```
Lists are uniformly sampled and are assumed to be unordered. They are one-hot encoded internally.

### Distributions
All the distributions, including multivariate, supported by [`scipy.stats`](https://docs.scipy.org/doc/scipy/reference/stats.html) are supported.
In general, distributions must provide a `rvs` method for sampling.

#### Uniform distribution
Using `uniform(loc, scale)` one obtains the uniform distribution on `[loc, loc + scale]`.
```python
from scipy.stats import uniform

# uniformly distributed between -1 and 1
param_space = dict(a=uniform(-1, 2))
```

#### Log uniform distribution
We have added [loguniform](https://github.com/ARM-software/mango/blob/master/mango/domain/distribution.py) distribution by extending the `scipy.stats.distributions` constructs.
Using `loguniform(loc, scale)` one obtains the loguniform distribution on <code>[10<sup>loc</sup>, 10<sup>loc + scale</sup>]</code>.
```python
from mango.domain.distribution import loguniform

# log uniformly distributed between 10^-3 and 10^-1
param_space = dict(learning_rate=loguniform(-3, 2))
```

### Hyperparameter search space examples
Example hyperparameter search space for [Random Forest Classifier](https://scikit-learn.org/stable/modules/generated/sklearn.ensemble.RandomForestClassifier.html):
```python
param_space =  dict(
    max_features=['sqrt', 'log2', .1, .3, .5, .7, .9],
    n_estimators=range(10, 1000, 50), # 10 to 1000 in steps of 50
    bootstrap=[True, False],
    max_depth=range(1, 20),
    min_samples_leaf=range(1, 10)
)
```

Example search space for [XGBoost Classifier](https://xgboost.readthedocs.io/en/latest/python/python_api.html#xgboost.XGBClassifier):
```python
from scipy.stats import uniform
from mango.domain.distribution import loguniform

param_space = {
    'n_estimators': range(10, 2001, 100), # 10 to 2000 in steps of 100
    'max_depth': range(1, 15), # 1 to 14
    'reg_alpha': loguniform(-3, 6),  # 10^-3 to 10^3
    'booster': ['gbtree', 'gblinear'],
    'colsample_bylevel': uniform(0.05, 0.95), # 0.05 to 1.0
    'colsample_bytree': uniform(0.05, 0.95), # 0.05 to 1.0
    'learning_rate': loguniform(-3, 3),  # 0.001 to 1
    'reg_lambda': loguniform(-3, 6),  # 10^-3 to 10^3
    'min_child_weight': loguniform(0, 2), # 1 to 100
    'subsample': uniform(0.1, 0.89) # 0.1 to 0.99
}
```

Example search space for [SVM](https://scikit-learn.org/stable/modules/generated/sklearn.svm.SVC.html):
```python
from scipy.stats import uniform
from mango.domain.distribution import loguniform

param_dict = {
    'kernel': ['rbf', 'sigmoid'],
    'gamma': uniform(0.1, 4), # 0.1 to 4.1
    'C': loguniform(-7, 8) # 10^-7 to 10
}
```

<a name="scheduler"></a>
## 5. Scheduler

Mango is designed to take advantage of distributed computing. The objective function can be scheduled to
run locally or on a cluster with parallel evaluations. Mango is designed to allow the use of any distributed
computing framework (like Celery or Kubernetes). The `scheduler` module comes with some pre-defined
schedulers.

### Serial scheduler
Serial scheduler runs locally with one objective function evaluation at a time
```python
from mango import scheduler

@scheduler.serial
def objective(x):
    return x * x
```

### Parallel scheduler
Parallel scheduler runs locally and uses `joblib` to evaluate the objective functions in parallel
```python
from mango import scheduler

@scheduler.parallel(n_jobs=2)
def objective(x):
    return x * x
```
`n_jobs` specifies the number of parallel evaluations. `n_jobs = -1` uses all the available cpu cores
on the machine. See [simple_parallel](https://github.com/ARM-software/mango/tree/master/examples/simple_parallel.py)
for full working example.

### Custom distributed scheduler
Users can define their own distribution strategies using `custom` scheduler. To do so, users need to define
an objective function that takes a list of parameters and returns the list of results:
```python
from mango import scheduler

@scheduler.custom(n_jobs=4)
def objective(params_batch):
    """ Template for custom distributed objective function
    Args:
        params_batch (list): Batch of parameter dictionaries to be evaluated in parallel

Returns:
        list: Values of objective function at given parameters
    """
    # evaluate the objective on a distributed framework
    ...
    return results
```

For example the following snippet uses [Celery](http://www.celeryproject.org/):
```python
import celery
from mango import Tuner, scheduler

# connect to celery backend
app = celery.Celery('simple_celery', backend='rpc://')

# remote celery task
@app.task
def remote_objective(x):
    return x * x

@scheduler.custom(n_jobs=4)
def objective(params_batch):
    jobs = celery.group(remote_objective.s(params['x']) for params in params_batch)()
    return jobs.get()

param_space = dict(x=range(-10, 10))

tuner = Tuner(param_space, objective)
results = tuner.minimize()
```
A working example to tune hyperparameters of KNN using Celery is [here](https://github.com/ARM-software/mango/tree/master/examples/knn_celery.py).

<!--
<a name="ObjectiveFunction"></a>
## 5. More on Objective Function
The serial objective function has the following structure.

```python
def objective_function(params_list):
    evaluations = []
    for hyper_par in params_list:
        result =  evaluate_function_on_hyper_par
        evaluations.append(result)
    return evaluations
```
The objective function is called with the input list of hyper parameters. Each element of the list is the dictionary which is a sample drawn from the domain space of variables. Mango expects the objective function to return the list of
evaluations which has the same size as the args_list. Each value of the evaluations list is the function evaluated at hyperparameters
of params_list in the same order. A rich set of objective functions are shown in the [examples](https://github.com/ARM-software/mango/tree/master/examples). The size of the params_list is controlled by the batch_size configuration parameter of Mango. By default,
batch_size is 1. The configuration parameters of Mango are explained in the [Mango Configurations](#MangoConfigurations) section.

The sample skeleton of the Celery based parallel objective function in Mango is as following.

```python
def objective_celery(params_list):
    process_queue = []
    for par in params_list:
        process = train_clf.delay(par)
        process_queue.append((process, par))
    evals = []
    params = []
    for process, par in process_queue:
        result = process.get()
        evals.append(result)
        params.append(par)
    return params, evals
```
-->

<a name="MangoConfigurations"></a>
## 6. Optional configurations

The default configuration parameters used by the Mango as below:
```python
{'param_dict': ...,
 'userObjective': ...,
 'domain_size': 5000,
 'initial_random': 1,
 'num_iteration': 20,
 'batch_size': 1}
```
The configuration parameters are:
- *domain_size*: The size which is explored in each iteration by the gaussian process. Generally, a larger size is preferred if higher dimensional functions are optimized. More on this will be added with details about the internals of bayesian optimization.
- *initial_random*: The number of random samples tried. Note: Mango returns all the random samples together. Users can exploit this to parallelize the random runs without any constraint.
- *num_iteration*: The total number of iterations used by Mango to find the optimal value.
- *batch_size*: The size of args_list passed to the objective function for parallel evaluation. For larger batch sizes, Mango internally uses intelligent sampling to decide the optimal samples to evaluate.
- *early_stopping*: A Callable to specify custom stopping criteria. The callback has the following signature:
   ```python
  def early_stopping(results):
      '''
          results is the same as dict returned by tuner
          keys available: params_tries, objective_values,
              best_objective, best_params
      '''
      ...
      return True/False
  ```
    Early stopping is one of Mango's important features that allow to early terminate the current parallel search
    based on the custom user-designed criteria, such as the total optimization time spent, current validation accuracy
    achieved, or improvements in the past few iterations. For usage see early stopping examples [notebook](https://github.com/ARM-software/mango/blob/master/examples/EarlyStopping.ipynb).
- *constraint*: A callable to specify constraints on parameter space. It has the following
  signature:
  ```python
  def constraint(samples: List[dict]) -> List[bool]:
    '''
        Given a list of samples (each sample is a dict with parameter names as keys)
        Returns a list of True/False elements indicating whether the corresponding sample
        satisfies the constraints or not
    '''
  ```
  See [this](<examples/Test functions for constrained optimization.ipynb>) notebook for an example.
- *initial_custom*: A list of initial evaluation points to warm up the optimizer instead of random sampling. 
It can be either:  
  - A list of dict with parameters. For example, for a search space with two parameters `x1` and `x2` the input could be:
  `[{'x1': 10, 'x2': -5}, {'x1': 0, 'x2': 10}]`. 
  - A list of tuple with parameters and objective function values. For example, if the objective function is to add 
  `x1` and `x2` the input could be:
  `[({'x1': 10, 'x2': -5}, 5), ({'x1': 0, 'x2': 10}, 10)]`. 
  
  This allows the user to customize the initial evaluation points and therefore guide the optimization process.
It also enables starting the optimizer from the results of a previous tuner run (see [this](<examples/warmup.ipynb>) notebook for a working example).
Note that if `initial_custom` option is given then `initial_random` is ignored.  
- *scale_params*: `True` or `False` (default: `False`). Scales the search space parameter space using `MinMaxScaler`. Can be useful when the range of parameters is not comparable like below:
```python
{
    'x': uniform(-1, 2), # -1 to 1
    'y': uniform(-1000, 2000) # -1000 to 1000
}
```
However, use this option with caution as it could have unintended consequences. 
- *log_progress*: `True` or `False` (default: `True`). When `True`, Mango logs optimization progress with a tqdm-based progress bar and per-iteration best scores. Set this to `False` to suppress progress logging, which is useful in CI environments or when you want cleaner logs.

The configuration options can be modified, as shown below:
```python
conf_dict = dict(num_iteration=40, domain_size=10000, initial_random=3)

tuner = Tuner(param_dict, objective, conf_dict)
```

<a name="AdditionalFeatures"></a>
## 7. Additional Features
### Handling runtime failed evaluation
At runtime, failed evaluations are widespread in production deployments. Mango abstractions enable users to make progress even in the presence of failures by only using the correct evaluations. The syntax can return the successful evaluation, and the user can flexibly keep track of failures, for example, using timeouts. Examples showing the usage of Mango in the presence of failures: [serial execution](https://github.com/ARM-software/mango/blob/master/examples/Failure_Handling.ipynb) and [parallel execution](https://github.com/ARM-software/mango/blob/master/examples/Failure_Handling_Parallel.ipynb)

### Neural Architecture Search
Mango can also do an efficient neural architecture search. An example on the MNIST dataset to search for optimal filter sizes, the number of filters, etc., is [available](https://github.com/ARM-software/mango/blob/master/examples/NAS_Mnist.ipynb).

More extensive examples are available in the [THIN-Bayes](https://github.com/ARM-software/mango/tree/master/examples/THIN-Bayes) folder doing *Neural Architecture Search* for a class of neural networks and classical models for different regression and classification tasks.

<!--
<a name="Celery"></a>
## 7. Schedule Objective Function on Celery
User-defined objective function can be scheduled on local, cluster or cloud infrastructure. The objective function scheduler
is entirely independent of the Mango. This design was chosen to enable the scheduling of varied resource objective function according to developer needs. We have included examples using [Celery](http://www.celeryproject.org/). In the sample
examples, celery workers are used to evaluate the objective function in parallel. These examples assume celery is installed, and workers
are running. Default celery configurations can be modified in the [file](https://github.com/ARM-software/mango/blob/master/examples/classifiers/celery.py).

- [KNN example using celery workers](https://github.com/ARM-software/mango/blob/master/examples/KNN_Celery.ipynb)
- [Prophet example using celery workers](https://github.com/ARM-software/mango/blob/master/examples/Prophet_Celery.ipynb)

More examples will be included to show the scheduling of objective function using local threads/processes. By default examples schedule
the objective function on the local machine itself.

<a name ="mangoAlgorithms"></a>
## 8. Algorithms
The optimization algorithms in Mango are based on widely used Bayesian optimization techniques, extended to sample a batch of configurations in parallel. Currently, Mango provides two parallel optimization algorithms that use the upper confidence bound as the acquisition function. The first algorithm uses hallucination combined with exponential rescaling of the surrogate function to select a batch. In the second algorithm, we create clusters of acquisition function in spatially distinct search spaces, and select the maximum value within each cluster to create the batch.

<a name="contactDetails"></a>
## More Details
Details about specifying parameter/variable domain space, user objective function, and internals of Mango will be added.
Please stay tuned.
-->

<a name="CASHFeature"></a>
## 8. Combiner Classifier Selection and Optimization (CASH)
Mango now provides a novel functionality of combined classifier selection and optimization. It allows developers to directly specify a set of classifiers along with their different hyperparameter spaces. Mango internally finds the best classifier along with the optimal parameters with the least possible number of overall iterations. The examples are  available [here](https://github.com/ARM-software/mango/tree/master/benchmarking/MetaTuner_Examples)

The important parts in the skeletion code are as below.

```python
from mango import MetaTuner

#define search spaces and objective functions as done for tuner.

param_space_list = [param_space1, param_space2, param_space3, param_space4, ..]
objective_list = [objective_1, objective_2, objective_3, objective_4, ..]

metatuner = MetaTuner(param_space_list, objective_list)

results = metatuner.run()

print('best_objective:',results['best_objective'])
print('best_params:',results['best_params'])
print('best_objective_fid:',results['best_objective_fid'])

```

## Participate

<a name="CorePapers"></a>
### Core Papers to Cite Mango

More technical details are available in the [Mango paper-1 (ICASSP 2020)](https://arxiv.org/pdf/2005.11394.pdf) and [Mango paper-2 (CogMI 2021)](https://drive.google.com/file/d/1uzcTUfLM3JSc47RLQJin-YzybwNl6BZO/view)
Please cite them as:
```
@inproceedings{sandha2020mango,
  title={Mango: A Python Library for Parallel Hyperparameter Tuning},
  author={Sandha, Sandeep Singh and Aggarwal, Mohit and Fedorov, Igor and Srivastava, Mani},
  booktitle={ICASSP 2020-2020 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)},
  pages={3987--3991},
  year={2020},
  organization={IEEE}
}
```
```
@inproceedings{sandha2021mango,
  title={Enabling Hyperparameter Tuning of Machine Learning Classifiers in Production},
  author={Sandha, Sandeep Singh and Aggarwal, Mohit and Saha, Swapnil Sayan and Srivastava, Mani},
  booktitle={CogMI 2021, IEEE International Conference on Cognitive Machine Intelligence},
  year={2021},
  organization={IEEE}
}
```

<a name="ApplicationPapers"></a>
### Novel Applications built over Mango
```
@article{saha2022auritus,
  title={Auritus: An open-source optimization toolkit for training and development of human movement models and filters using earables},
  author={Saha, Swapnil Sayan and Sandha, Sandeep Singh and Pei, Siyou and Jain, Vivek and Wang, Ziqi and Li, Yuchen and Sarker, Ankur and Srivastava, Mani},
  journal={Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies},
  volume={6},
  number={2},
  pages={1--34},
  year={2022},
  publisher={ACM New York, NY, USA}
}
```
```
@article{saha2022tinyodom,
  title={Tinyodom: Hardware-aware efficient neural inertial navigation},
  author={Saha, Swapnil Sayan and Sandha, Sandeep Singh and Garcia, Luis Antonio and Srivastava, Mani},
  journal={Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies},
  volume={6},
  number={2},
  pages={1--32},
  year={2022},
  publisher={ACM New York, NY, USA}
}
```
```
@article{saha2022thin,
  title={THIN-Bayes: Platform-Aware Machine Learning for Low-End IoT Devices},
  author={Saha, Swapnil Sayan and Sandha, Sandeep Singh and Aggarwal, Mohit and Srivastava, Mani},
  year={2022}
}
```

### Slides

Slides explaining Mango abstractions and design choices are available. [Mango Slides-1](https://github.com/ARM-software/mango/blob/master/documents/Mango_github_slides.pdf), [Mango Slides-2](https://drive.google.com/file/d/1_sUOnbW-LkHMMcjq_WgzabN7IQ-wBRgn/view).

### Contribute

Please take a look at [open issues](https://github.com/ARM-software/mango/issues) if you are looking for areas to contribute to.

### Questions

For any questions feel free to reach out by creating an issue [here](https://github.com/ARM-software/mango/issues/new).

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