Linux

Linux

mmap() vs read(): When Zero-Copy Is Actually Slower

Is mmap() faster than read()? Compare copying, page faults, readahead, TLB pressure, tail latency, and the workloads …

9 min read
Linux

fork() in Multithreaded Programs: The Child Gets the State, Not the Threads

When a multithreaded process calls fork(), the child keeps locked mutexes, half-flushed buffers, and shared file …

9 min read
Linux

Linux Processes vs Threads: NPTL and Clone() Explained

This article explains the differences between Linux processes and threads, focusing on how Linux implements threading …

10 min read