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mallocMC

mallocMC: Memory Allocator for Many Core Architectures

This project provides a framework for fast memory managers on many core accelerators. It is based on alpaka to run on many different accelerators and implements the ScatterAlloc algorithm.

Usage

Follow the step-by-step instructions in Usage.md to replace your new/malloc calls with a blacingly fast mallocMC heap! 🚀

Install

mallocMC is header-only, but requires a few other C++ libraries to be available. Our installation notes can be found in INSTALL.md.

Contributing

Rules for contributions are found in CONTRIBUTING.md.

On the ScatterAlloc Algorithm

This library implements the ScatterAlloc algorithm, originally forked from the ScatterAlloc project, developed by the Managed Volume Processing group at Institute for Computer Graphics and Vision, TU Graz (kudos!).

From http://www.icg.tugraz.at/project/mvp/downloads :

ScatterAlloc is a dynamic memory allocator for the GPU. It is
designed concerning the requirements of massively parallel
execution.

ScatterAlloc greatly reduces collisions and congestion by
scattering memory requests based on hashing. It can deal with
thousands of GPU-threads concurrently allocating memory and its
execution time is almost independent of the thread count.

ScatterAlloc is open source and easy to use in your CUDA projects.

Original Homepage: http://www.icg.tugraz.at/project/mvp

Our Homepage: https://www.hzdr.de/crp

Branches

branch state description
master Build Status Master our latest stable release
dev Build Status Development our development branch - start and merge new branches here
tugraz n/a ScatterAlloc "upstream" branch: not backwards compatible mirror for algorithmic changes

Literature

Just an incomplete link collection for now:

  • Paper by Markus Steinberger, Michael Kenzel, Bernhard Kainz and Dieter Schmalstieg

  • 2012, May 5th: Presentation at Innovative Parallel Computing 2012 by Bernhard Kainz

  • Junior Thesis DOI by Carlchristian Eckert (2014)

License

We distribute the modified software under the same license as the original software from TU Graz (by using the MIT License). Please refer to the LICENSE file.

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mallocMC: Memory Allocator for Many Core Architectures 📟

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