StringKilla - Small Datasets for String Algorithms Benchmarking

The goal of this dataset is to provide a fairly diverse set of strings to evalute the performance of various string-processing algorithms in StringZilla and beyond.

English Texts

English Leipzig Corpora Collection

• 124 MB uncompressed
• 1'000'000 lines of ASCII
• 8'388'608 tokens of mean length 5

The dataset was originally pulled from Princeton's website:

wget --no-clobber -O leipzig1M.txt https://introcs.cs.princeton.edu/python/42sort/leipzig1m.txt

Pull it with:

huggingface-cli download ashvardanian/StringKilla leipzig1M.txt

Hutter Prize Compression Dataset

• 1 GB uncompressed, 0.3 GB originally
• 13'147'025 lines of ASCII
• 67'108'864 tokens of mean length 6

The dataset was originally Matt Mahoney's page:

wget --no-clobber -O enwik9.zip http://mattmahoney.net/dc/enwik9.zip
unzip enwik9.zip && rm enwik9.zip && mv enwik9 enwik9.txt

Pull it with:

huggingface-cli download ashvardanian/StringKilla enwik9.txt

Multilingual Texts

UTF8 Decoder Stress Test

• 14 KB uncompressed
• 204 lines of UTF8

The dataset was originally pulled from an Martin Dürst's HTML adaptation of Markus Kuhn's UTF8 stress test:

wget --no-clobber -O utf8.txt https://www.w3.org/2001/06/utf-8-test/UTF-8-demo.html

Pull it with:

huggingface-cli download ashvardanian/StringKilla utf8.txt

XLSum Extractive Summarization Benchmark

• 4.7 GB uncompressed, 1.7 GB originally
• 1'004'598 lines of UTF8
• 268'435'456 tokens of mean length 8

The dataset was originally aggregates from "Bangladesh University of Engineering and Technology" GitHub repo:

wget --no-clobber -O xlsum.csv.gz https://github.com/ashvardanian/xl-sum/releases/download/v1.0.0/xlsum.csv.gz
gzip -d xlsum.csv.gz

Pull it with:

huggingface-cli download ashvardanian/StringKilla xlsum.csv

Bioinformatics

DNA Strings

Filename	String Length	Lines Count
acgt_100.txt	100	100'000
acgt_1k.txt	1'000	100'000
acgt_10k.txt	10'000	100'000
acgt_100k.txt	100'000	1000
acgt_1m.txt	1'000'000	1200
acgt_10m.txt	10'000'000	1200

Pull them with:

huggingface-cli download ashvardanian/StringKilla acgt_100.txt
huggingface-cli download ashvardanian/StringKilla acgt_1k.txt
huggingface-cli download ashvardanian/StringKilla acgt_10k.txt
huggingface-cli download ashvardanian/StringKilla acgt_100k.txt
huggingface-cli download ashvardanian/StringKilla acgt_1m.txt
huggingface-cli download ashvardanian/StringKilla acgt_10m.txt