https://anekoique.github.io/tags/io/ Recent content in IO on Anekoique's Blog Hugo -- 0.148.2 en Thu, 16 Apr 2026 10:15:00 +0800 https://anekoique.github.io/posts/zero_copy/ Thu, 16 Apr 2026 10:15:00 +0800 https://anekoique.github.io/posts/zero_copy/ Zero-copy techniques in Linux — starting from the traditional read/write path (4 context switches, 2 DMA + 2 CPU copies) and walking through Direct I/O, mmap, sendfile, DMA gather, splice, and COW.