Maximize the disk IO bandwidth for NVMe SSD by sequential read and write.
To build for production.
make
To build for debug.
make dbg
Source file description.
| File name | Description |
|---|---|
| bufferio_w.cpp | Buffer io write leveraging write through page cache. |
| directio_w.cpp | Direct io write leveraging pwrite64 bypass page cache. Use mmap to buffer 16KB per write. |
| bufferio_r.cpp | Buffer io read leveraging pread64 through page cache. |
| directio_r.cpp | Direct io read leveraging pread64 bypass page cache. |