On Thu, 18 Feb 2021 23:16:00 GMT, Claes Redestad <redes...@openjdk.org> wrote:
>> This patch exposes a couple of intrinsics used by String to speed up ASCII >> checking and byte[] -> char[] inflation, which can be used by latin1 and >> ASCII-compatible CharsetDecoders to speed up decoding operations. >> >> - Fast-path implemented for all standard charsets, with up to 10x >> performance improvements in microbenchmarks reading Strings from >> ByteArrayInputStream. >> - Cleanup of StreamDecoder/-Encoder with some minor improvements when >> interpreting >> - Reworked creation of JavaLangAccess to be safely published for >> CharsetDecoders/-Encoders used for setting up System.out/in. As JLA and >> these encoders are created during System.initPhase1 the current sequence >> caused the initialization to became unstable and a few tests were >> consistently getting an NPE. >> >> Testing: tier1-3 > > Claes Redestad has updated the pull request incrementally with one additional > commit since the last revision: > > Revert JavaLangAccessImpl changes Marked as reviewed by naoto (Reviewer). src/java.base/share/classes/java/lang/System.java line 1988: > 1986: // might initialize CharsetDecoders that rely on it > 1987: setJavaLangAccess(); > 1988: Good to see the init issue has been resolved with a simple reordering. ------------- PR: https://git.openjdk.java.net/jdk/pull/2574