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Xingsheng Youxuan Technology Community
Xingsheng Youxuan Technology Community
Oct 28, 2022 · Backend Development

How We Processed 1 Million Images in Sub-Second: Backend Optimization Secrets

Facing a challenge of managing roughly one million server-side images and 180 client images, the TOOSIMPLE team built a high-performance backend using fingerprinting, parallel processing, mmap-SSE2 acceleration, and sparsemap indexing, achieving sub-second response times while ensuring correct ordered display.

Backend DevelopmentHashingMMAP
0 likes · 12 min read
How We Processed 1 Million Images in Sub-Second: Backend Optimization Secrets
Beike Product & Technology
Beike Product & Technology
Jun 18, 2020 · Backend Development

Optimizing PHP strtolower with SSE2 in PHP 8

This article explains how PHP's case‑insensitive function handling can be accelerated by implementing a locale‑independent strtolower using SSE2 SIMD instructions in PHP 8, compares it with previous table‑lookup methods, and discusses a further Yaf‑specific optimization.

BackendPHPPerformance
0 likes · 6 min read
Optimizing PHP strtolower with SSE2 in PHP 8
Beike Product & Technology
Beike Product & Technology
Mar 10, 2020 · Fundamentals

Optimizing String Replacement Using SSE2 SIMD Instructions

This article explains how to use SSE2 SIMD instructions to optimize string replacement operations, demonstrating a 16-character batch processing technique that significantly improves performance for longer strings.

Batch ProcessingPerformanceSIMD
0 likes · 4 min read
Optimizing String Replacement Using SSE2 SIMD Instructions