https://github.com/oditynet/genrandom

C++ psevdo random chars
https://github.com/oditynet/genrandom

Last synced: about 1 year ago
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C++ psevdo random chars

• Host: GitHub
• URL: https://github.com/oditynet/genrandom
• Owner: oditynet
• Created: 2024-07-29T06:40:49.000Z (almost 2 years ago)
• Default Branch: main
• Last Pushed: 2024-07-29T06:56:49.000Z (almost 2 years ago)
• Last Synced: 2024-07-29T08:11:51.419Z (almost 2 years ago)
• Language: C++
• Homepage:
• Size: 10.7 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

Awesome Lists containing this project

README

          
Псевдогенератор rundom символов. Обгоняет работу /dev/urandom

Анализ скорости записи рандомных чисел относительно размера буфера в секунду:

```

for i in 16 32 64 128 256 512 1024 2048 4096 8000 16000 32000 640000;do echo $i;timeout 1 ./genrand $i;ls -lh /tmp/1|awk '{print $5 " "$NF}';done

16

247M /tmp/1

32

59M /tmp/1

64

5,5M /tmp/1

128

40M /tmp/1

256

188M /tmp/1

512

256M /tmp/1

1024

300M /tmp/1

2048

344M /tmp/1

4096

368M /tmp/1

8000

372M /tmp/1

16000

399M /tmp/1

32000

395M /tmp/1

640000

406M /tmp/1

```

Run: ./genrand

or 

./genrand 256