什么方法最适合从光驱上快速读取文件?

When reading files off of a hard drive, mmap is generally regarded as a good way to quickly get data into memory. When working with optical drives, accesses take more time and you have a higher latency to worry about. What approach/abstraction do you use to hide/eliminate as much latency and/or overall load time of the optical drive as possible?When reading files off of a hard drive, mmap is