Tag
zero-copy
- Oct 8, 2026 Binder IPC: Parcels, Handles, and One-Way Calls How a single-copy parcel transfer works, what a binder handle actually names, and why one-way calls have ordering guarantees but no completion signal. mobile computing
- May 25, 2026 Zero-Copy Paths: What sendfile, splice, and mmap Remove Which memory copies each zero-copy interface eliminates, which ones remain, and the page-cache, alignment, and lifetime constraints that decide whether the saving is real. performance engineering
- Feb 13, 2026 io_uring and Shared-Memory Submission Queues How a pair of ring buffers mapped into the process removes most system calls from an I/O path, and which costs remain once the traps are gone. operating systems
- Mar 15, 2025 Host-Mapped Memory over PCIe: Zero-Copy Access and Its Latency Wall What happens when a kernel dereferences host memory directly across the bus, why write-combining changes the cost, and the access patterns that make it worth doing. gpu computing
- Dec 18, 2023 Arrow Buffer Layout and Where Zero-Copy Stops How an Arrow array is a handful of flat buffers plus a length, which conversions can reuse memory in place, and which schema and lifetime conditions force a copy. data engineering
- Jun 10, 2023 Counting Copies on the Virtual I/O Path: Userspace, vhost, and Passthrough How many times a packet is touched between a guest buffer and the wire in each device model, what each eliminated copy costs in complexity, and where the remaining copies cannot be removed. virtualization