> Some DirectCodeBuilder related optimizations to improve startup and running
> performance:
> 1. Merge calls, merge writeU1 and writeU2 into writeU3
> 2. Merge calls, merge writeU1 and writeIndex operations
> 3. Directly use writeU1 instead of writeBytecode
> 4. Rewrite the implementation of load
> Some DirectCodeBuilder related optimizations to improve startup and running
> performance:
> 1. Merge calls, merge writeU1 and writeU2 into writeU3
> 2. Merge calls, merge writeU1 and writeIndex operations
> 3. Directly use writeU1 instead of writeBytecode
> 4. Rewrite the implementation of load
On Fri, 27 Sep 2024 17:42:25 GMT, Andrew Haley wrote:
> > The only situation where this PR is a regression compared to current code
> > is when the one of the branch side is always taken.
>
> Bear in mind that's quite common. It's not very unusual to clip a range with
> something equivalent to
> Some DirectCodeBuilder related optimizations to improve startup and running
> performance:
> 1. Merge calls, merge writeU1 and writeU2 into writeU3
> 2. Merge calls, merge writeU1 and writeIndex operations
> 3. Directly use writeU1 instead of writeBytecode
> 4. Rewrite the implementation of load
> Some DirectCodeBuilder related optimizations to improve startup and running
> performance:
> 1. Merge calls, merge writeU1 and writeU2 into writeU3
> 2. Merge calls, merge writeU1 and writeIndex operations
> 3. Directly use writeU1 instead of writeBytecode
> 4. Rewrite the implementation of load
> Some DirectCodeBuilder related optimizations to improve startup and running
> performance:
> 1. Merge calls, merge writeU1 and writeU2 into writeU3
> 2. Merge calls, merge writeU1 and writeIndex operations
> 3. Directly use writeU1 instead of writeBytecode
> 4. Rewrite the implementation of load
> This is the 1st PR for [JEP 483: Ahead-of-Time Class Loading &
> Linking](https://bugs.openjdk.org/browse/JDK-8315737).
>
> Add the following command-line options as specified in JEP 483:
>
>
> - `-XX:AOTMode=off/record/create/auto/on`
> - `-XX:AOTConfiguration=.aotconfig`
> - `-XX:AOTCache=.
On Mon, 30 Sep 2024 02:10:09 GMT, Joe Darcy wrote:
>> The is the initial version of a PR to defined an anchor point and index term
>> of "wrapper classes."
>
> Joe Darcy has updated the pull request incrementally with one additional
> commit since the last revision:
>
> Respond to review fee
> Small update to java.lang.Class docs.
>
> I didn't add an index item for "hidden classes" since the indexing mechanism
> picks up the section titles.
Joe Darcy has updated the pull request incrementally with one additional commit
since the last revision:
Respond to review feedback.
--
On Sun, 29 Sep 2024 18:08:10 GMT, Jonathan Gibbons wrote:
>> Agree; I have recommedned consolidating id property into h2 without an extra
>> a tag.
>
> `` is a semantic tag to indicate the defining instance of a term. It may
> be used by search engines, to improve their results. When `` is us
> The is the initial version of a PR to defined an anchor point and index term
> of "wrapper classes."
Joe Darcy has updated the pull request incrementally with one additional commit
since the last revision:
Respond to review feedback.
-
Changes:
- all: https://git.openjdk.org
> Some DirectCodeBuilder related optimizations to improve startup and running
> performance:
> 1. Merge calls, merge writeU1 and writeU2 into writeU3
> 2. Merge calls, merge writeU1 and writeIndex operations
> 3. Directly use writeU1 instead of writeBytecode
> 4. Rewrite the implementation of load
On Sun, 29 Sep 2024 22:39:28 GMT, Chen Liang wrote:
>> src/java.base/share/classes/java/lang/invoke/MethodHandle.java line 1882:
>>
>>> 1880: assert (newForm.customized == null ||
>>> newForm.customized == this);
>>> 1881: newForm.prepare(); // as in Meth
On Sun, 29 Sep 2024 13:35:14 GMT, Shaojin Wen wrote:
>> Some DirectCodeBuilder related optimizations to improve startup and running
>> performance:
>> 1. Merge calls, merge writeU1 and writeU2 into writeU3
>> 2. Merge calls, merge writeU1 and writeIndex operations
>> 3. Directly use writeU1 inst
On Sun, 29 Sep 2024 22:22:30 GMT, David Holmes wrote:
>> When investigating an intermittent NPE with an Oracle internal test on
>> AArch64, I noticed that the NPE is actually a SIGSEGV in the code emitted by
>> `MethodHandles::jump_to_lambda_form` when trying to load the
>> `MemberName::method
On Tue, 24 Sep 2024 14:18:58 GMT, Tobias Hartmann wrote:
> When investigating an intermittent NPE with an Oracle internal test on
> AArch64, I noticed that the NPE is actually a SIGSEGV in the code emitted by
> `MethodHandles::jump_to_lambda_form` when trying to load the
> `MemberName::method`
On Wed, 25 Sep 2024 12:17:59 GMT, Matthias Baesken wrote:
> There is some old awt/2d coding where warnings occur when running with ubsan
> enabled binaries.
> However at most of these locations the coding should work (at least on our
> supported platform set) so the warnings can be disabled at
On Sun, 29 Sep 2024 17:44:30 GMT, Attila Szegedi wrote:
> Fixes a regression with #17818 where `ArrayList.subList(…).sort()` started
> incrementing `ArrayList.modCount` resulting in some cases throwing a
> `ConcurrentModificationException` where none was thrown before.
>
> This change keeps th
On Sun, 29 Sep 2024 13:35:14 GMT, Shaojin Wen wrote:
>> Some DirectCodeBuilder related optimizations to improve startup and running
>> performance:
>> 1. Merge calls, merge writeU1 and writeU2 into writeU3
>> 2. Merge calls, merge writeU1 and writeIndex operations
>> 3. Directly use writeU1 inst
On Sat, 28 Sep 2024 21:45:09 GMT, Chen Liang wrote:
>> src/java.base/share/classes/java/lang/package-info.java line 34:
>>
>>> 32: * Frequently it is necessary to represent a value of primitive
>>> 33: * type as if it were an object. The
>>> 34: * {@index "wrapper classes"} {@link Boolean}, {
Fixes a regression with #17818 where `ArrayList.subList(…).sort()` started
incrementing `ArrayList.modCount` resulting in some cases throwing a
`ConcurrentModificationException` where none was thrown before.
This change keeps the optimization from #17818 but restores the behavior where
only sor
> Some DirectCodeBuilder related optimizations to improve startup and running
> performance:
> 1. Merge calls, merge writeU1 and writeU2 into writeU3
> 2. Merge calls, merge writeU1 and writeIndex operations
> 3. Directly use writeU1 instead of writeBytecode
> 4. Rewrite the implementation of load
On 28/09/2024 18:15, Markus Karg wrote:
- Applications could use Apache Commons IO's CharSequenceReader. As it is an
open-source third-party dependency, some authors might not be allowed to use
it, or may not want to carry this additional burden just for the sake of
this single performance improv
> Some DirectCodeBuilder related optimizations to improve startup and running
> performance:
> 1. Merge calls, merge writeU1 and writeU2 into writeU3
> 2. Merge calls, merge writeU1 and writeIndex operations
> 3. Directly use writeU1 instead of writeBytecode
> 4. Rewrite the implementation of load
> Some DirectCodeBuilder related optimizations to improve startup and running
> performance:
> 1. Merge calls, merge writeU1 and writeU2 into writeU3
> 2. Merge calls, merge writeU1 and writeIndex operations
> 3. Directly use writeU1 instead of writeBytecode
> 4. Rewrite the implementation of load
On Fri, 27 Sep 2024 16:06:51 GMT, Brian Burkhalter wrote:
> Improve the first sentences of the three `FileInputStream` constructors, in
> particular removing the term "connection."
src/java.base/share/classes/java/io/FileInputStream.java line 166:
> 164: /**
> 165: * Creates a {@code
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