# Introduction

## Overview of Deep Lake's High-Performance Compute Engine built in C++

#### Compute Engine offers high-performance implementations of compute-heavy Deep Lake features, such as distributed dataloading, large queries, and indexing. **The engine is built in C++ and the user-interface is in Python.**

{% hint style="danger" %}
The Deep Lake Compute Engine is only accessible to registered and authenticated users, and it applies usage restrictions based on your Deep Lake Plan.
{% endhint %}

### Features Optimized in the Compute Engine:

{% content-ref url="performant-dataloader" %}
[performant-dataloader](https://docs-v3.activeloop.ai/v3.8.19/performance-features/performant-dataloader)
{% endcontent-ref %}

{% content-ref url="querying-datasets" %}
[querying-datasets](https://docs-v3.activeloop.ai/v3.8.19/performance-features/querying-datasets)
{% endcontent-ref %}

{% content-ref url="index-for-ann-search" %}
[index-for-ann-search](https://docs-v3.activeloop.ai/v3.8.19/performance-features/index-for-ann-search)
{% endcontent-ref %}

{% content-ref url="managed-database" %}
[managed-database](https://docs-v3.activeloop.ai/v3.8.19/performance-features/managed-database)
{% endcontent-ref %}