Understanding DMA and the RIFFA Architecture: Block vs Scatter‑Gather

This article explains DMA fundamentals, compares Block DMA and Scatter‑Gather DMA step by step, and evaluates the open‑source RIFFA PCIe framework, including its hardware flow, software components, board‑level performance tests, features, drawbacks, and licensing terms.

Block DMADMAFPGA

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Understanding DMA and the RIFFA Architecture: Block vs Scatter‑Gather

ZhiKe AI

Mar 8, 2017 · Fundamentals

Understanding Java NIO: Core Components and How They Differ from Traditional IO

This article explains Java NIO introduced in Java 1.4, covering its core components—Channels, Buffers, and Selectors—detailing channel types, buffer operations, non‑blocking behavior, selector usage, and code examples such as FileChannel and Pipe, and compares NIO with classic IO.

BuffersChannelsFileChannel

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Understanding Java NIO: Core Components and How They Differ from Traditional IO