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Amdahl's law

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Architects' Tech Alliance
Architects' Tech Alliance
Feb 12, 2021 · Fundamentals

Understanding Serial and Parallel Computing and Their Speedup Limits

This article explains the concepts of serial and parallel computing, describes how parallelism divides tasks across multiple processors, discusses speedup metrics and Amdahl's law, and highlights practical limits of multi‑core performance in modern computer architectures.

Amdahl's lawComputer ArchitectureMulti-core
0 likes · 4 min read
Understanding Serial and Parallel Computing and Their Speedup Limits
Qunar Tech Salon
Qunar Tech Salon
Jul 4, 2018 · Backend Development

Performance Optimization of Qunar's ATPCO International Ticket Pricing System

This article details how Qunar's ATPCO international fare system was analyzed and optimized through performance profiling, application of Little's Law and Amdahl's Law, code refactoring, cache replacement, pruning of search space, and concurrency improvements such as ForkJoinPool to dramatically reduce response times and CPU pressure.

Amdahl's lawBackendConcurrency
0 likes · 12 min read
Performance Optimization of Qunar's ATPCO International Ticket Pricing System
Baidu Tech Salon
Baidu Tech Salon
May 28, 2014 · Game Development

C++ Performance Optimization Techniques for Ray Tracing

The article outlines 27 C++ performance optimization techniques for ray tracing, emphasizing profiling hot paths, minimizing branches and memory accesses, using inline and reference passing, aligning data, loop unrolling, avoiding unnecessary temporaries, and simplifying math to exploit cache locality and modern CPU parallelism.

Amdahl's lawC++ optimizationCache Optimization
0 likes · 12 min read
C++ Performance Optimization Techniques for Ray Tracing