優化的原理

[1]

It automatically selects different methods according to whether Source and DestDir are in the same or different HDD(or SSD).

Diff HDD

Reading and writing are processed respectively in parallel by separate threads.

Same HDD

Reading is processed until the big buffer fills. When the big buffer is filled, writing is started and processed in bulk.

[2]

Reading/Writing are processed with no OS cache, so other applications do not become slow.

[3]

It runs fast and does not hog resources, because MFC is not used. (Designed using Win32 API and C Runtime only)