Oracle AI Database Free CPU Limitations
Oracle AI Database Free limits itself automatically to two cores for processing. For example, on a computer with 2 dual-core CPUs (four cores), if a large number of database clients try to simultaneously run CPU-intensive queries, then Oracle AI Database Free will process the queries at the rate of just two cores even if more CPU capacity is available.
To take advantage of the full processing power of your computer, you can use a different Oracle AI Database edition such as Oracle AI Database 26ai Enterprise Edition.