https://github.com/iartorias/lazy_crc

A fast, yet tiny tool to calculate the CRC32 and create the .SFV file.
https://github.com/iartorias/lazy_crc

cpp14 cpp17 crc32

Last synced: 6 months ago
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A fast, yet tiny tool to calculate the CRC32 and create the .SFV file.

• Host: GitHub
• URL: https://github.com/iartorias/lazy_crc
• Owner: iArtorias
• License: mit
• Created: 2020-09-04T12:55:59.000Z (about 5 years ago)
• Default Branch: master
• Last Pushed: 2024-06-17T18:50:05.000Z (over 1 year ago)
• Last Synced: 2025-03-23T22:38:12.038Z (7 months ago)
• Topics: cpp14, cpp17, crc32
• Language: C++
• Homepage:
• Size: 240 KB
• Stars: 8
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# **LazyCRC**

[![GitHub All Releases](https://img.shields.io/github/downloads/iArtorias/lazy_crc/total.svg)](https://github.com/iArtorias/lazy_crc/releases)

### A fast, yet tiny tool to calculate the CRC32 and create the .SFV file

## Usage

```

lazy_crc 

```

*or*

```

lazy_crc  --check

```

## Benchmark

| File size (bytes)  | Result time |

| ------------- | ------------- |

| 270,708,736  | 0h 0m 0s 147ms  |

| 1,081,618,432  | 0h 0m 0s 528ms  |

| 1,836,064,768  | 0h 0m 0s 815ms  |

| 4,388,488,186  | 0h 0m 1s 914ms  |

| 32,237,408,256  | 0h 0m 13s 879ms  |

_* All the tests were performed on **Samsung 980 Pro NVMe PCle 4.0 (2 Tb)**_

## Notes

- **UTF-8** / **UTF-16** file names are supported

- You can also **drag** either the file or directory to the **LazyCRC** executable file

## Stuff used

- **date** (https://github.com/HowardHinnant/date)

- **{fmt}** (https://github.com/fmtlib/fmt)

- **Fast CRC32** (https://github.com/stbrumme/crc32)

- **Crc32** (_16*2 algorithm_) (https://github.com/Bulat-Ziganshin/Crc32)

## Compilation notes

- **Visual Studio 2022	** is recommended to compile this project