The LZO coding initialization functions have a special parameter method. This parameter specifies level of parallelization and generic LZO compatibility to be used in the LZO encoding. The table below lists possible values of the method parameter and their meanings.
The compression and decompression are performed sequentially in a single-thread mode with full binary compatibility with generic LZO libraries and applications
The compression and decompression are performed in parallel (multi-threaded mode), it is more fast, but not compatible with the generic LZO.