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Optimizing Disk I/O in NumPy: Implementing a Fast LZ4 Compression Algorithm via C-Extensions

pypi.org macht1212 / numpy-cache High-performance LZ4 cache for NumPy arrays NumPy Cache – Fast LZ4-Based Caching for NumPy Arrays High‑performance, lightweight disk cache for NumPy arrays with LZ4…

  • NumPy Cache offers 20x faster performance than np.savezcompressed()
  • LZ4 compression algorithm provides good compression ratio matching zlib
  • Configurable acceleration parameter (1-16) balances compression ratio and write speed

Stop Killing Your Database with @Transactional in Spring Boot

The 1-minute fix that slashed my API response time by 40%. We all know @Transactional makes database work easy. But are you using it correctly?

  • Developers mishandle transactions in 80% of code reviews
  • @Transactional doesn't automatically batch queries
  • Refactoring with .saveAll() reduces queries from 51 to 2

Pomniter

Estimated reading time: 5 min One small change since the last article: the project is no longer called Breadcrumb. I've renamed it to Pomniter, inspired by the Russian word помнить (pomnit), meaning…

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