On Tue, 3 Mar 2026 17:02:26 GMT, Matthias Baesken <[email protected]> wrote:
> Currently linktime-gc is enabled only on Linux s390x by default. > See > https://github.com/openjdk/jdk/blob/94a34a32aa723e4620f4ef4700b3e20d6ab9bf62/make/autoconf/jdk-options.m4#L106 > > We should enable it on Linux ppc64le too, to get smaller JDK native libs. > (please take into account that on Linux ppc64le, linktime-gc is only set for > the JDK native libs, not for libjvm.so, because of still present issues with > the serviceability agent) > > Not all JDK native libs change a lot in lib size when enabling linktime-gc, > but some shrink significantly, here are some good examples > gcc14 devkit linuxppc64le, product build jdk27 > (normal => with ltgc) > > 708 K => 500 K images/jdk/lib/liblcms.so > 476 K => 300 K images/jdk/lib/libsaproc.so > 788 K => 720 K images/jdk/lib/libmlib_image.so > 2476 K => 1476 K images/jdk/lib/libfontmanager.so Marked as reviewed by erikj (Reviewer). ------------- PR Review: https://git.openjdk.org/jdk/pull/30032#pullrequestreview-3885239505
