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April 23, 2026

Inside Polars’ Lazy Query Engine: How Predicate Pushdown Beats Pandas

April 20, 2026

Inside CPython Sub-Interpreters: How Immortal Objects Share Memory Without the GIL

April 20, 2026

Inside CPython’s obmalloc: How the Small Object Allocator Avoids the System Heap

April 19, 2026

Django 5.2 async ORM aprefetch_related() Hit N+1 With select_related

April 17, 2026April 19, 2026

Free-Threaded Python 3.13t: Measuring Contention With perf c2c

April 13, 2026April 19, 2026

Litestar Cut Our P99 Latency 40% After Migrating From FastAPI

Inside Polars’ Lazy Query Engine: How Predicate Pushdown Beats Pandas

The pola.rs blog has a headline number that every Polars tutorial copies: the optimized lazy plan runs roughly 4x faster than the naive one on the NYC.
  • Data Engineering
April 23, 2026
Inside Polars’ Lazy Query Engine: How Predicate Pushdown Beats Pandas

Inside CPython Sub-Interpreters: How Immortal Objects Share Memory Without the GIL

The technical barrier that kept Python's sub-interpreter feature from being genuinely useful for a decade wasn't parallelism — it was reference counting.
  • AI/ML
April 20, 2026
Inside CPython Sub-Interpreters: How Immortal Objects Share Memory Without the GIL

Inside CPython’s obmalloc: How the Small Object Allocator Avoids the System Heap

Jump to: What exactly does obmalloc manage, and what falls through to system malloc? · How are arenas, pools, and blocks structured inside CPython?
  • CPython Internals
April 20, 2026
Inside CPython’s obmalloc: How the Small Object Allocator Avoids the System Heap

Django 5.2 async ORM aprefetch_related() Hit N+1 With select_related

Event date: April 1, 2026 — django 5.2 Jump to Why does aprefetch_related() still fire N+1 queries under the async ORM?
  • Async Programming
April 19, 2026
Django 5.2 async ORM aprefetch_related() Hit N+1 With select_related

Free-Threaded Python 3.13t: Measuring Contention With perf c2c

The first time you run a threaded dict.get loop on python3.13t and watch it scale at 1.3x on 8 cores instead of 7x, the instinct is to blame Python.
  • Concurrency
April 17, 2026April 19, 2026
Free-Threaded Python 3.13t: Measuring Contention With perf c2c
Inside Polars’ Lazy Query Engine: How Predicate Pushdown Beats Pandas

Inside Polars’ Lazy Query Engine: How Predicate Pushdown Beats Pandas

  • Data Engineering
Priya Sharma
April 23, 2026
Inside CPython Sub-Interpreters: How Immortal Objects Share Memory Without the GIL

Inside CPython Sub-Interpreters: How Immortal Objects Share Memory Without the GIL

  • AI/ML
Priya Sharma
April 20, 2026
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Inside Polars’ Lazy Query Engine: How Predicate Pushdown Beats Pandas

Inside Polars’ Lazy Query Engine: How Predicate Pushdown Beats Pandas

  • Data Engineering
Priya Sharma
Inside CPython Sub-Interpreters: How Immortal Objects Share Memory Without the GIL

Inside CPython Sub-Interpreters: How Immortal Objects Share Memory Without the GIL

  • AI/ML
Priya Sharma
Inside CPython’s obmalloc: How the Small Object Allocator Avoids the System Heap

Inside CPython’s obmalloc: How the Small Object Allocator Avoids the System Heap

  • CPython Internals
Mateo Vargas
Django 5.2 async ORM aprefetch_related() Hit N+1 With select_related

Django 5.2 async ORM aprefetch_related() Hit N+1 With select_related

  • Async Programming
Priya Sharma
Inside Polars’ Lazy Query Engine: How Predicate Pushdown Beats Pandas

Inside Polars’ Lazy Query Engine: How Predicate Pushdown Beats Pandas

  • Data Engineering
Priya Sharma
Master Python: Amazing Systematic Guide

Master Python: Amazing Systematic Guide

  • Data Science
Riko Ishikawa
Advanced Python Async Programming: Complete Guide to Concurrency

Advanced Python Async Programming: Complete Guide to Concurrency

  • Data Science
Riko Ishikawa
Advanced Python Async Programming: Complete Guide to Concurrency

Advanced Python Async Programming: Complete Guide to Concurrency

  • Data Science
Riko Ishikawa
Inside Polars’ Lazy Query Engine: How Predicate Pushdown Beats Pandas

Inside Polars’ Lazy Query Engine: How Predicate Pushdown Beats Pandas

  • Data Engineering
Priya Sharma
Inside CPython Sub-Interpreters: How Immortal Objects Share Memory Without the GIL

Inside CPython Sub-Interpreters: How Immortal Objects Share Memory Without the GIL

  • AI/ML
Priya Sharma
Inside CPython’s obmalloc: How the Small Object Allocator Avoids the System Heap

Inside CPython’s obmalloc: How the Small Object Allocator Avoids the System Heap

  • CPython Internals
Mateo Vargas
Django 5.2 async ORM aprefetch_related() Hit N+1 With select_related

Django 5.2 async ORM aprefetch_related() Hit N+1 With select_related

  • Async Programming
Priya Sharma

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Inside Polars’ Lazy Query Engine: How Predicate Pushdown Beats Pandas

Inside Polars’ Lazy Query Engine: How Predicate Pushdown Beats Pandas

  • Data Engineering
  • Data Science
Priya SharmaApril 23, 2026
Inside CPython Sub-Interpreters: How Immortal Objects Share Memory Without the GIL

Inside CPython Sub-Interpreters: How Immortal Objects Share Memory Without the GIL

  • AI/ML
  • Concurrency
Priya SharmaApril 20, 2026
Inside CPython’s obmalloc: How the Small Object Allocator Avoids the System Heap

Inside CPython’s obmalloc: How the Small Object Allocator Avoids the System Heap

  • CPython Internals
  • Memory Management
Mateo VargasApril 20, 2026
Django 5.2 async ORM aprefetch_related() Hit N+1 With select_related

Django 5.2 async ORM aprefetch_related() Hit N+1 With select_related

  • Async Programming
  • Database
Priya SharmaApril 19, 2026
Free-Threaded Python 3.13t: Measuring Contention With perf c2c

Free-Threaded Python 3.13t: Measuring Contention With perf c2c

  • Concurrency
  • CPython Internals
Priya SharmaApril 17, 2026April 19, 2026
Litestar Cut Our P99 Latency 40% After Migrating From FastAPI

Litestar Cut Our P99 Latency 40% After Migrating From FastAPI

  • API Development
  • Performance
Silas MontgomeryApril 13, 2026April 19, 2026

Latest Posts

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Inside Polars’ Lazy Query Engine: How Predicate Pushdown Beats Pandas

Inside Polars’ Lazy Query Engine: How Predicate Pushdown Beats Pandas

  • Data Engineering
  • Data Science
Priya Sharma
Inside CPython Sub-Interpreters: How Immortal Objects Share Memory Without the GIL

Inside CPython Sub-Interpreters: How Immortal Objects Share Memory Without the GIL

  • AI/ML
  • Concurrency
Priya Sharma
Inside CPython’s obmalloc: How the Small Object Allocator Avoids the System Heap

Inside CPython’s obmalloc: How the Small Object Allocator Avoids the System Heap

  • CPython Internals
  • Memory Management
Mateo Vargas
Django 5.2 async ORM aprefetch_related() Hit N+1 With select_related

Django 5.2 async ORM aprefetch_related() Hit N+1 With select_related

  • Async Programming
  • Database
Priya Sharma
Free-Threaded Python 3.13t: Measuring Contention With perf c2c

Free-Threaded Python 3.13t: Measuring Contention With perf c2c

  • Concurrency
  • CPython Internals
Priya Sharma

Highlight

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Inside Polars’ Lazy Query Engine: How Predicate Pushdown Beats Pandas

Inside Polars’ Lazy Query Engine: How Predicate Pushdown Beats Pandas

  • Data Engineering
April 23, 2026
Inside CPython Sub-Interpreters: How Immortal Objects Share Memory Without the GIL

Inside CPython Sub-Interpreters: How Immortal Objects Share Memory Without the GIL

  • AI/ML
April 20, 2026
Inside CPython’s obmalloc: How the Small Object Allocator Avoids the System Heap

Inside CPython’s obmalloc: How the Small Object Allocator Avoids the System Heap

  • CPython Internals
April 20, 2026
Django 5.2 async ORM aprefetch_related() Hit N+1 With select_related

Django 5.2 async ORM aprefetch_related() Hit N+1 With select_related

  • Async Programming
April 19, 2026
Free-Threaded Python 3.13t: Measuring Contention With perf c2c

Free-Threaded Python 3.13t: Measuring Contention With perf c2c

  • Concurrency
April 17, 2026April 19, 2026
Litestar Cut Our P99 Latency 40% After Migrating From FastAPI

Litestar Cut Our P99 Latency 40% After Migrating From FastAPI

  • API Development
April 13, 2026April 19, 2026

Popular News

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Inside Polars’ Lazy Query Engine: How Predicate Pushdown Beats Pandas

Inside Polars’ Lazy Query Engine: How Predicate Pushdown Beats Pandas

  • Data Engineering
  • Data Science
Priya Sharma
The pola.rs blog has a headline number that every Polars tutorial copies: the optimized lazy…
Inside CPython Sub-Interpreters: How Immortal Objects Share Memory Without the GIL

Inside CPython Sub-Interpreters: How Immortal Objects Share Memory Without the GIL

  • AI/ML
  • Concurrency
Priya Sharma
Inside CPython’s obmalloc: How the Small Object Allocator Avoids the System Heap

Inside CPython’s obmalloc: How the Small Object Allocator Avoids the System Heap

  • CPython Internals
  • Memory Management
Mateo Vargas
Django 5.2 async ORM aprefetch_related() Hit N+1 With select_related

Django 5.2 async ORM aprefetch_related() Hit N+1 With select_related

  • Async Programming
  • Database
Priya Sharma
Free-Threaded Python 3.13t: Measuring Contention With perf c2c

Free-Threaded Python 3.13t: Measuring Contention With perf c2c

  • Concurrency
  • CPython Internals
Priya Sharma
Modern Python Package Management – Part 3
13 mins read

Modern Python Package Management – Part 3

  • Dependencies
May 27, 2025December 28, 2025 Nia OkoroTagged dependencies, packaging, poetry, python

packaging: Navigate Python package management with modern tools like Poetry, pipenv, and pip-tools. Learn dependency management, virtual environments, …

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Python Performance Profiling and Optimization – Part 3
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Python Performance Profiling and Optimization – Part 3

  • Optimization
May 25, 2025December 28, 2025 Mateo VargasTagged optimization, performance, profiling, python

Optimize Python application performance using profiling tools and techniques. Learn to identify bottlenecks, memory leaks, and implement eff…

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Python Security Best Practices – Part 3
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Python Security Best Practices – Part 3

  • Encryption
May 23, 2025December 28, 2025 Nia OkoroTagged authentication, encryption, python, security

Secure your Python applications with these essential security practices. Learn about input validation, authentication, encryption, and commo…

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Advanced Python Testing Strategies – Part 3
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Advanced Python Testing Strategies – Part 3

  • Pytest
May 21, 2025December 26, 2025 Nia OkoroTagged pytest, python, tdd, testing

Master Python testing with pytest, mocking, fixtures, and test-driven development. Learn how to write maintainable, reliable tests for compl…

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Python Data Pipeline Automation – Part 3
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Python Data Pipeline Automation – Part 3

  • Data
May 19, 2025December 28, 2025 Riko IshikawaTagged automation, data, etl, pipeline

Automate your data processing workflows with Python. This guide covers ETL pipelines, data validation, error handling, and monitoring for pr…

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Python Microservices Architecture Guide – Part 3
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Python Microservices Architecture Guide – Part 3

  • Architecture
May 17, 2025December 28, 2025 Mateo VargasTagged architecture, distributed, microservices, python

Build robust microservices architecture using Python. Learn about service communication, data consistency, monitoring, and deployment strate…

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Machine Learning Model Deployment with Python – Part 3
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Machine Learning Model Deployment with Python – Part 3

  • Data Science
May 15, 2025December 28, 2025 Nia OkoroTagged deployment, machine learning, models, python

Step-by-step guide to deploying machine learning models in production using Python. Covers containerization, model serving, monitoring, and …

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Django REST Framework Best Practices – Part 3
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Django REST Framework Best Practices – Part 3

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Master Django REST Framework with these essential best practices. Learn how to build scalable, maintainable REST APIs with proper serializat…

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FastAPI Performance Optimization Strategies – Part 3
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FastAPI Performance Optimization Strategies – Part 3

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May 11, 2025December 26, 2025 Nia OkoroTagged api, fastapi, optimization, performance

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Advanced Python Async Programming Techniques – Part 3
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Advanced Python Async Programming Techniques – Part 3

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Recent Posts

  • Inside Polars’ Lazy Query Engine: How Predicate Pushdown Beats Pandas
  • Inside CPython Sub-Interpreters: How Immortal Objects Share Memory Without the GIL
  • Inside CPython’s obmalloc: How the Small Object Allocator Avoids the System Heap
  • Django 5.2 async ORM aprefetch_related() Hit N+1 With select_related
  • Free-Threaded Python 3.13t: Measuring Contention With perf c2c

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