https://github.com/funnyboy-roks/hexdump-rs

A recreation of `hexdump -C` in rust that is up to 40x faster
https://github.com/funnyboy-roks/hexdump-rs

hexdump performance

Last synced: 4 months ago
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A recreation of `hexdump -C` in rust that is up to 40x faster

• Host: GitHub
• URL: https://github.com/funnyboy-roks/hexdump-rs
• Owner: funnyboy-roks
• License: apache-2.0
• Created: 2023-06-03T20:17:53.000Z (about 2 years ago)
• Default Branch: main
• Last Pushed: 2023-08-15T22:51:30.000Z (almost 2 years ago)
• Last Synced: 2024-12-27T18:25:18.928Z (6 months ago)
• Topics: hexdump, performance
• Language: Rust
• Homepage:
• Size: 508 KB
• Stars: 0
• Watchers: 2
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# hexdump-rs

(name tbd)

A rewrite of `hexdump` in Rust, which offers up to a 14x speedup

Test with 10M from `/dev/random` file:

![Speed test with hyperfine on dev-random](./img/dev-random.png)

Test with a (semi) random 7.8M file:

![Speed test with hyperfine on test.mca](./img/test.mca.png)

Test with a 1.1G file with all zeros:

![Speed test with hyperfine on zeros.bin](./img/zeros.bin.png)

Test with a 8.5M file that can't be squeezed (all lines differ from the previous):

![Speed test with hyperfine on no-squeeze.bin](./img/no-squeeze.bin.png)

## Compatibility

This is meant to be a drop-in replacement for `hexdump -C` since that

seems to be the most common usage of hexdump.  I'd like to implement the

other features of hexdump in the future.

## Testing

There is a small python script in the `test-files/` directory that I

used to generate some of the files mentioned above.

I then used [`hyperfine`](https://github.com/sharkdp/hyperfine) to

compare the speed of the program using the following command (replacing

`[FILE]` with the file to test).

```sh

hyperfine -m 100 '{command} -C {file}' -L command 'hexdump,./target/release/hexdump' -L file '[FILE]' --warmup 5

```

## Contributions

Issues and PRs are welcome!  If you have an idea to speed it up or would

like to request a feature, file an issue/pr!