Overview

Table of Contents

Make your code run faster

ArrayFire will make your code run as fast as possible. It beats efforts to manually write CUDA or OpenCL kernels. It beats compiler optimizations. It beats other libraries. ArrayFire is the best way to accelerate your code.

ArrayFire developers are amazingly talented at accelerating code; that's all we do - ever!

With minimal effort

The array object is beautifully simple. It's fun to use!

Array-based notation effectively expresses computational algorithms in readable math-resembling notation. You do not need expertise in parallel programming to use ArrayFire. A few lines of ArrayFire code accomplishes what can take 100s of complicated lines in CUDA or OpenCL kernels.

Save yourself from verbose templates, ineffective and complicated compiler directives, and time-wasting low-level development. Arrays are the best possible way to accelerate your code.

On CUDA or OpenCL devices (e.g. GPUs, CPUs, APUs, FPGAs)

ArrayFire supports CUDA and OpenCL capable devices. Each ArrayFire installation comes with a CUDA version (named 'libafcu') for NVIDIA GPUs and an OpenCL version (named 'libafcl') for OpenCL devices.

You can easily switch between CUDA or OpenCL with ArrayFire, without changing your code.

For common science, engineering, and financial functions

ArrayFire contains hundreds of functions for matrix arithmetic, signal processing, linear algebra, statistics, image processing, and more. Each function is hand-tuned by ArrayFire developers with all possible low-level optimizations.

For common data shapes, sizes, and types

ArrayFire operates on common data shapes and sizes, including vectors, matrices, volumes, and N-dimensional arrays. It supports common data types, including single and double precision floating point values, complex numbers, booleans, and 32-bit signed and unsigned integers.

With available integration into CUDA or OpenCL kernel code

ArrayFire can be used as a stand-alone application or integrated with existing CUDA or OpenCL code. All ArrayFire arrays can be interchanged with other CUDA or OpenCL data structures.

With awesome automatic optimizations

ArrayFire performs run-time analysis of your code to increase arithmetic intensity and memory throughput, while avoiding unnecessary temporary allocations. It has an awesome internal JIT compiler to make optimizations for you.

With parallel for-loops

ArrayFire can also execute loop iterations in parallel with the gfor function.

With multi-GPU or multi-device scalability

ArrayFire supports easy multi-GPU or multi-device scaling.

Simple Example

Here's a live example to let you see ArrayFire code. You create [arrays](Array allocation, initialization) which reside on CUDA or OpenCL devices. Then you can use ArrayFire functions on those arrays.

// sample 40 million points on the GPU
array x = randu(20e6), y = randu(20e6);
array dist = sqrt(x * x + y * y);
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// pi is ratio of how many fell in the unit circle
array pi = 4.0 * sum(dist < 1) / 20e6;
print(pi);

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