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2 changes: 1 addition & 1 deletion CMakeLists.txt
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Expand Up @@ -57,7 +57,7 @@ set_target_properties(essentials
CUDA_EXTENSIONS OFF
CUDA_RESOLVE_DEVICE_SYMBOLS ON
CUDA_SEPARABLE_COMPILATION ON
CUDA_ARCHITECTURES 61 # Set required architecture.
CUDA_ARCHITECTURES 70 # Set required architecture.
# CUDA_PTX_COMPILATION ON # Can only be applied to OBJ.
)

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201 changes: 201 additions & 0 deletions LICENSE
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62 changes: 49 additions & 13 deletions README.md
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<!-- start: gunrock's header -->
<p align="center">
<a href="https://github.com/gunrock/gunrock/"><img src="https://github.com/gunrock/docs/raw/master/docs/_media/logo.png"></a>
<br>
<a href="https://github.com/gunrock/essentials"><img src="https://img.shields.io/badge/essentials-v0.1-red.svg?style=flat-square&logo=data%3Aimage%2Fpng%3Bbase64%2CiVBORw0KGgoAAAANSUhEUgAAAB4AAAAeCAYAAAA7MK6iAAAIjklEQVRIDQXBaZCeBWEA4Oc9vnN3v93sbrKbhGxCIMVASERQSCt0BCo4lOGonVirMOPR45cVbS3t1B8OYy%2B1WKdFtKPiqB162LHjdAZqKQUBwyEBYgKJuZYku9kju%2Fvtd79XnycoAHD0NznzEDe1OT1gOmDhLLMhN5RxLcEtrOxn%2BX6VbTOu6Z52oVh2auOHqf2CE%2BucmWXuFfbuo3w5UcpShWLAxhUuv5UQAAAAACDMSdus3EP4Hu%2BeHLG0dMgLSdfJZNID0SKQIisQAAAAADEAAAAEyDHIyAqCNp0%2FNDR8wTOdFZXpHT7U6rizvezLC4cllZJ%2FCiLdSkha0E%2BICiLkAQEAQgAAUJAVJDlRyoaGLc1Rn2w1fbd81FxnXXWy7%2FbGwOPdno%2BEQ462m%2F5%2BYUknWnNie8OXLt%2FttjgSV2OKgjAjKSgCIAYAAWnCANWQNGCo5g%2FKQx7pJ6Rt6mXCgG7f7k7hyaCqESY25jnlOmluZ8Rntl%2FiM3nuZNj0%2Bf7A9VM0VkJ%2FJnBeQFAA4Pg9nH%2FQ1u0XPRbGrhaaTbquKwrKAWEoa0f%2BNkztDsruynPz1dx00TZb2%2BKuYs1lacfvGfH%2BQU46ICqIQ0oRSSoNYu%2Fa9j5vhG7CTbiKiyM0Bn4UF24p2uJ01bVZxFBIJ%2Fd1I8ZfO%2BPB5pC7J%2Bv%2BJu6abrcdmeq4cXSTQ%2FWL%2Fn1r1W3ry3Z3VrxQKhPHfnluWHS8sLnZF8e5b%2FdfJfYQUmxgvO1TxUXXhjO257Nms9Sv1yJPNxOfPtTy8K4S6Tqq1M77XGPJ596scckMtYAwB852vTkWumsstNCueWb6sPxMxXxn3AuTVfvfmiU%2BuR1QYfi08aJKa83Z%2BYDLLnXGLL2dTl21m60xbw%2BQEKHICQLCgCIj7WKKWz%2FAwlmLy684FJd9bDz2aLVuS3fC%2FtWLfjgdEQ9eIgjIBiQVP6oM%2B3y07ImJqn8oWh5Jh6wPX%2FTj6otkNSZWqG0kCwkCBEA%2BoKhgM1DZRK%2Fmt6YWvHzhcgfDlGzem6Vf8fFNbeLxKgVqo6xlbu8OiOpuHSncmq9zYcK925%2BXTR9BmWqVtf20c6IUCyzt5cIK6Qq%2FmgB5mVLTydqamc6E%2BzYOW1%2Bd94PJpsyNxHOXUQyo%2FFK9XvapKCAdODh6qTsao5pnliQ5TKJMXCPqU%2F0pgybFOzgyx%2FgYgwZvfI3tBwivo5SSFVpB4B8bMesjVAsyxPuewQYWtrh5ZdWmIGQs8%2B1G03JWoSiT97GGq6n9gupegoL27xDexHCFIKdUo17iyIs0R9hWQUEJQUY0SjTJH%2F0x8ZEjxGPEw%2FaVSuQhWd9PLjxHsIPyDGmd7pWEK1S%2BSVAAQUSW0cuohGQpIsp10mXOj7IwyVDKaoe1YdZCFl4nTr%2FIq8%2Fx3tT1EmLazQ36pbvZNM5YQr6H1hDD9yEDIE0pVQlS79jctTdpONYLHUoQVsgykoJWSIpKh61TlGrEuxYpL%2FvndMydKT%2BtRvZa9vZwxY6RXc4AgPMAwCCmcYnfbxzzdR2iCvVr%2FUcauTdtE2cAgIC4xc5tBIvPenfvohfTuocX1316JLerXHasVve90et9NKhQpBRVqk8RncAIUlbGbV%2BsO520%2FKDZ8LuXFv660%2FMnYehwnDpbhGoAAEnmsuGqL8TLSy6pDZMH%2FictkTQdLzcYrLoiWicaJgvI%2BoR7cRVCDJG95eb8BHHNQzPj1MY92Pm5D2Xs6XftKVDkxGXiGnlOnhBuNRNv3u6%2Fl05L8rrHxmvuyBN3lyKimkeee5l0jCBkKuKVxzn8OtWYVoc7PuzIe66h1XfP8IKji3M%2BGEdmssgbjc1eDwrDUUWQ9l1szbsuDO3JE6KyY0F7nlOH7BqP%2FCzpG89LJGt%2BVrvS%2FnSa7gVmOpSmeOoJ5kYYnmRhlf1T7Oj504Vlf1muokzQ83R%2F0vt23kgZ8NYrDE74zsiI%2B4fqvPC2a%2BJkQD7leKVqYv0tz8a8t1xzw9wF%2B6oTXhuKqK7R3cy7tpFMsulaSigWOPiMv5q82imLDtT6nhjEHm0lhAAJo6sqzZLfGBTUQ6f2rjsU9k5TW2DhJFnXV7MYIcMtXxmbZ%2FIseY0iYKzKf%2F2QH38DCCL6GaUZjy%2BPubcbeXRsiuYiZ%2F8PyzhNOXNHHtkSRAxantyWEWYvMXqU8SNMJf6tnHuyh1rFzdlRj6ydYnlg2%2BJ5cVyisoFzT9E7zmKTuExcod6j%2BBbrSzQmSAI8y9x%2Fsrrss6UhxilOXfCV76XEWz4BKDBE6YS%2FWDjm%2FWmOUZ%2FMpn1sva8crFnJx93SSryaphRtDq8zUyJ6gasOsDTPW%2Fewa5uP9BbdMF%2FySPudPiuyP1%2FjdOILG97p2BUNgqIAABaPc%2FJpH53a4btFSjHwcrXk%2B1nVl%2FQVS3Wb0oNWZm7kVJXNJyl3WDuIOvWbfKeouL8Y0AspBeQ5%2FVnPhzv82pW3A9GDd5HNk80TNknOUCx4PR6zp6i4shPaH%2F2rJzqRp4JLfWLHiLlNkYOrMe2IxhKlGo07ya9xIFzz0ELLA6UJt49Edvfa9tTKzm3d4capfXphDYjX3wQgz6gOMb2Tsy0%2FD4Z8cGrcZP8Os%2B0VU8MDzi14OBzy8XLX6Y19s0lDqyiUiznjeeFAlLPa8P1Ok32hL3fKDlTLvlaettJbwxxCguIIACBAyHJLY%2Fltp6KS8dpGryUr9vVbxDXygiKnFJKFFMj6BCiV6VQ8kHf93cbcvyzGfnvzuOsnh72oC0BQFAAAQHaexZdsTIY80e%2B5pjrsm0Hk0W7b3WHhtohLstyGIFbNGASslAKv5plyNnBzuc4gZSLyxeeP%2B%2FNzLYZKAARFAQAA9M%2FReYOhCqsVyrvonaNzjlpB7wphccpEc9HQxlBvap%2BlXl%2BaLpBMu6856%2Bag7LGdS%2F73G7P8ZJGpCgD%2FD%2Ffbv1cjCgq6AAAAAElFTkSuQmCC"></a>
<a href="https://github.com/gunrock/essentials/blob/master/LICENSE.TXT"><img src="https://img.shields.io/github/license/gunrock/gunrock.svg?style=flat-square" alt="Apache 2"></a>
</p>
<h1 id="gunrock-gpu-graph-analytics" align="center">gunrock/essentials</h1>
<!-- end: gunrock's header -->
# **Essentials:** High-Performance C++ GPU Graph Analytics
**Gunrock/Essentials** is a CUDA library for graph-processing designed specifically for the GPU. It uses a **high-level**, **bulk-synchronous**, **data-centric abstraction** focused on operations on vertex or edge frontiers. Gunrock achieves a balance between performance and expressiveness by coupling high-performance GPU computing primitives and optimization strategies, particularly in the area of fine-grained load balancing, with a high-level programming model that allows programmers to quickly develop new graph primitives that scale from one to many GPUs on a node with small code size and minimal GPU programming knowledge.

Redesigning gunrock with a bottom-up approach with the fundamental goal of making the code easy to write, rewrite and understand. With the current version of gunrock, there are a lot of different modules very heavily connected that don't need to be as connected at all, essentials splits these up into separate `#include` modules, and you may include only what you need.
## Quick Start Guide

From the application/algorithm writing perspective, essentials tries to minimize the management side of things and reduces the debugging burden using C++ best practices and tools. Some changes that have significantly reduced gunrock's application level code is the use of smart memory management (i.e. no manual release of memory and possible memory leaks), exception handling (instead of keeping around `cudaError_t status` and manually checking it for errors), and constant expressions.
Before building Gunrock make sure you have **CUDA Toolkit 11 or higher** installed on your system. Other external dependencies such as `NVIDIA/thrust`, `NVIDIA/cub`, etc. are automatically fetched using `cmake`.

The goal of this version of gunrock and future changes is to easily support changing slow performant code with faster implementations as they are made available, and to promote code reuse where available. Essentials also tries to implement API, algorithms and containers' designs very close to what C++ standard library already supports, relying on `thrust` (a CUDA parallel libraries), CUB and handwritten code when needed. So, for example, if you are wondering how `gunrock::array<>` works, simply look at `std::array<>` on C++ reference guide.
```shell
git clone https://github.com/gunrock/essentials.git
cd essentials
mkdir build && cd build
cmake ..
make sssp # or for all applications, use: make -j$(nproc)
bin/sssp ../datasets/chesapeake.mtx
```

- Follow along at [gunrock/essentials](https://github.com/gunrock/gunrock/projects/4)
## Getting Started with Gunrock

- **Tutorial:** [Gunrock's programming model]()
- **Tutorial:** [Write a graph primitive within Gunrock]()
- **Tutorial:** [Building Gunrock]()
- [API reference documentation]()
- [Performance analysis]()
- [Publications](https://gunrock.github.io/docs/#/gunrock/publications_and_presentations) and [presentations](https://gunrock.github.io/docs/#/gunrock/publications_and_presentations?id=presentations)

## How to Cite Gunrock
Thank you for citing our work.

```tex
@article{Wang:2017:GGG,
author = {Yangzihao Wang and Yuechao Pan and Andrew Davidson
and Yuduo Wu and Carl Yang and Leyuan Wang and
Muhammad Osama and Chenshan Yuan and Weitang Liu and
Andy T. Riffel and John D. Owens},
title = {{G}unrock: {GPU} Graph Analytics},
journal = {ACM Transactions on Parallel Computing},
year = 2017,
volume = 4,
number = 1,
month = aug,
pages = {3:1--3:49},
doi = {10.1145/3108140},
ee = {http://arxiv.org/abs/1701.01170},
acmauthorize = {http://dl.acm.org/authorize?N45082},
url = {http://escholarship.org/uc/item/9gj6r1dj},
code = {https://github.com/gunrock/gunrock},
ucdcite = {a115},
}
```

## Copyright and License

Gunrock is copyright The Regents of the University of California, 2021. The library, examples, and all source code are released under [Apache 2.0](https://github.com/gunrock/essentials/blob/master/LICENSE).
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