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Parsing JSON at tens of gigabytes per second… in Python

Lobsters Hottest ↗ · 5d ago Cached

Daniel Lemire 演示了如何在无 GIL 的 Python 3.14 中,使用 fastsimdjson 的 map_many 多线程与惰性解析,在数秒内解析 7.6 GB 的 GH Archive JSON 数据,性能远超标准库 json、orjson 与 msgspec。

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#json-parsing

Parsing JSON Objects without intermediate ASTs

Lobsters Hottest ↗ · 2026-09-23 Cached

The article explains a method to parse JSON objects without intermediate ASTs to enhance performance, using partially-initialised data in Haskell and discussing implications for speed, safety, and code derivation.

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#json-parsing

Faster JSON parsing with SVE2 on ARM processors

Lobsters Hottest ↗ · 2026-09-19 Cached

The article describes how using the SVE2 SIMD instruction on ARM processors can optimize JSON parsing in the simdjson library by leveraging a character matching instruction for faster performance.

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#json-parsing

Pascal’s Pager

Product Hunt ↗ · 2026-09-08 Cached

Pascal's Pager uses AI to turn raw webhook JSON into readable iPhone push notifications, designed for indie developers to streamline alerts and manage webhooks.

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#json-parsing

REAP: Relation-Aware Elicitation and Parsing for Closed-Book Knowledge Base Construction from LLMs

arXiv cs.CL ↗ · 2026-08-12 Cached

This paper presents REAP, a two-stage pipeline for closed-book knowledge base construction from LLMs that combines relation-specific elicitation strategies with deterministic JSON parsing, achieving a macro-F1 of 0.62 on the AKBC Shared Task 2026 test set using Mistral-Small-24B-Instruct-2501.

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#json-parsing

Parallel JSON parsing on the GPU with compute shaders

Lobsters Hottest ↗ · 2026-07-28 Cached

slurpjson is a Rust library that parses JSON entirely on the GPU using wgpu compute shaders, decomposing parsing into parallel prefix scans for research purposes.

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#json-parsing

The fastest way to match characters on ARM processors?

Lobsters Hottest ↗ · 2026-04-19 Cached

This article explores the fastest methods for matching characters on ARM processors using SIMD instructions, comparing traditional NEON approaches with newer SVE2 capabilities available on modern ARM chips like AWS Graviton4, Google Axion, and others.

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