> Enable CDS for zero builds. `java --version` is about 2x faster now. > > > $ perf stat -r 40 ./images/jdk/bin/java -Xshare:off -version > 0.034645 +- 0.000044 seconds time elapsed ( +- 0.13% ) > $ perf stat -r 40 ./images/jdk/bin/java -version > 0.018080 +- 0.000388 seconds time elapsed ( +- 2.15% ) > > I also fixed a bug in Images.gmk that always wrote the default archive to > $JAVA_HOME/lib/server. This fix also makes it possible for a client libjvm to > have a default CDS archive.
Ioi Lam has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains seven additional commits since the last revision: - @erikj79 comments; also fixed CDS test cases for zero - Merge branch 'master' into 8290981-enable-cds-for-zero - imported contribution by @shipilev - https://cr.openjdk.java.net/~shade/8290981/zero-cds-nofast-1.patch - create_cds_archive -> CreateCDSArchive - explicitly choose VM variant in create_cds_archive - clean up C code - 8290981: Enable CDS for zero builds ------------- Changes: - all: https://git.openjdk.org/jdk/pull/9869/files - new: https://git.openjdk.org/jdk/pull/9869/files/004c5038..2716becb Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=9869&range=02 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=9869&range=01-02 Stats: 20828 lines in 932 files changed: 11978 ins; 5521 del; 3329 mod Patch: https://git.openjdk.org/jdk/pull/9869.diff Fetch: git fetch https://git.openjdk.org/jdk pull/9869/head:pull/9869 PR: https://git.openjdk.org/jdk/pull/9869
