# Burn NdArray > [Burn](https://github.com/tracel-ai/burn) ndarray backend [![Current Crates.io Version](https://img.shields.io/crates/v/burn-ndarray.svg)](https://crates.io/crates/burn-ndarray) [![license](https://shields.io/badge/license-MIT%2FApache--2.0-blue)](https://github.com/tracel-ai/burn-ndarray/blob/master/README.md) ## Feature Flags This crate can be used without the standard library (`#![no_std]`) with `alloc` by disabling the default `std` feature. The following flags support various BLAS options: - `blas-accelerate` - Accelerate framework (macOS only) - `blas-netlib` - Netlib - `blas-openblas` - OpenBLAS static linked - `blas-openblas-system` - OpenBLAS from the system Note: under the `no_std` mode, the seed is fixed if the seed is not initialized by by `Backend::seed` method. ### Platform Support | Option | CPU | GPU | Linux | MacOS | Windows | Android | iOS | WASM | | :--------- | :-: | :-: | :---: | :---: | :-----: | :-----: | :-: | :--: | | Pure Rust | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes | | Accelerate | Yes | No | No | Yes | No | No | Yes | No | | Netlib | Yes | No | Yes | Yes | Yes | No | No | No | | Openblas | Yes | No | Yes | Yes | Yes | Yes | Yes | No |