On Thu, 5 Nov 2020 01:34:25 GMT, Sergey Bylokhov <s...@openjdk.org> wrote:
> The ICC_ColorSpace class uses a couple of internal data caches that might be > used w/o any synchronization by different threads. > > The solution is to wrap the initialization of the cached data by the DLC. I > have checked performance impact by the J2DBench and it seems no big > difference before/after the fix. > > BTW jdk16 in some cases x10 times faster than 8u and 11u. Probably we should > backport something, will check that. This pull request has now been integrated. Changeset: 2cad8368 Author: Sergey Bylokhov <s...@openjdk.org> URL: https://git.openjdk.java.net/jdk/commit/2cad8368 Stats: 182 lines in 2 files changed: 114 ins; 4 del; 64 mod 8255575: java.awt.color.ICC_ColorSpace is not thread-safe Reviewed-by: prr ------------- PR: https://git.openjdk.java.net/jdk/pull/1069
