On Sun, 21 Feb 2021 18:11:06 GMT, Jonathan Gibbons <j...@openjdk.org> wrote:
> The standard doclet works by creating `HtmlDocument` objects and then writing > them out. Writing them can be safely done on a separate thread, and doing so > results in about an 8% speedup, by overlapping the write/IO time with the > time to generate the next page to be written. > > The overall impact on the codebase is deliberately small, coming down to a > critical `if` statement in `HtmlDocletWriter` to "write now" or "write > later". As such, it is easy to disable the feature if necessary, although no > issues have been found in practice. The background writer uses an > `ExecutorService`, which provides a lot of flexibility, but experiments show > that it is sufficient to use a single background thread and to block if new > tasks come available while writing a file. > > The feature is "default on", with a hidden option to disable it if necessary. This pull request has been closed without being integrated. ------------- PR: https://git.openjdk.java.net/jdk/pull/2665