8335820: java/lang/invoke/LFCaching/LFSingleThreadCachingTest.java fails due to
IllegalArgumentException: hash must be nonzero
-
Commit messages:
- Backport 3f2636d9b71f5270c83d17dcf5d18cf907978475
Changes: https://git.openjdk.org/jdk/pull/20180/files
Webrev: https://webrevs.open
> The testcase requires root permissions.
>
> Fix by Severin Gehwolf.
> Testcase by Jan Kratochvil.
Jan Kratochvil has updated the pull request incrementally with 10 additional
commits since the last revision:
- Merge branch 'master-jdk-8322420_cgroup_hierarchy_walk_init-test' into
master-cg
On Thu, 11 Jul 2024 06:54:27 GMT, Jan Kratochvil
wrote:
>> The testcase requires root permissions.
>>
>> Fix by Severin Gehwolf.
>> Testcase by Jan Kratochvil.
>
> Jan Kratochvil has updated the pull request with a new target base due to a
> merge or a rebase. The pull request now contains 10
On Sun, 14 Jul 2024 13:49:09 GMT, Chen Liang wrote:
>> Removes ClassFile API transformation implementation details accidentally
>> leaked to public API. Users don't have access to classes necessary to
>> correctly implement these transform resolutions. In addition, removed
>> improper `canWrit
On Mon, 8 Jul 2024 13:09:50 GMT, Adam Sotona wrote:
> Class-File API constant pool implementation requires non-zero entry hash code.
> Unfortunately current implementation computes zero hash code for specific CP
> entries.
>
> This patch removes invalid and obsolete `AbstractPoolEntry::phiMix`
On Sun, 14 Jul 2024 14:38:39 GMT, Jaikiran Pai wrote:
> Hello @YaSuenag, I haven't had a chance to build your change locally and try
> it myself, but I suspect this change isn't enough to address the issue. Does
> this change allow for:
>
> ```
> jlink ... --add-options --add-exports java.base
A straightforward optimization, to share the signature parsing of method,
constructor, and field between the root and the copied objects, like how method
handle accessors are shared.
-
Commit messages:
- 8336267: Method and Constructor signature parsing can be shared on the root
o
On Thu, 11 Jul 2024 12:49:24 GMT, Severin Gehwolf wrote:
>> Jan Kratochvil has updated the pull request with a new target base due to a
>> merge or a rebase. The pull request now contains 103 commits:
>>
>> - Fix the gtest
>> - fix compilation warning
>> - fix the gtest
>> - less refactoriz
On Thu, 11 Jul 2024 12:47:38 GMT, Severin Gehwolf wrote:
>> Jan Kratochvil has updated the pull request with a new target base due to a
>> merge or a rebase. The pull request now contains 103 commits:
>>
>> - Fix the gtest
>> - fix compilation warning
>> - fix the gtest
>> - less refactoriz
On Thu, 11 Jul 2024 10:39:23 GMT, Severin Gehwolf wrote:
>> Jan Kratochvil has updated the pull request with a new target base due to a
>> merge or a rebase. The pull request now contains 103 commits:
>>
>> - Fix the gtest
>> - fix compilation warning
>> - fix the gtest
>> - less refactoriz
> ### Performance regression of DecimalFormat.format
> From the output of perf, we can see the hottest regions contain atomic
> instructions. But when run with JDK 11, there is no such problem. The reason
> is the removed biased locking.
> The DecimalFormat uses StringBuffer everywhere, and St
> ### Performance regression of DecimalFormat.format
> From the output of perf, we can see the hottest regions contain atomic
> instructions. But when run with JDK 11, there is no such problem. The reason
> is the removed biased locking.
> The DecimalFormat uses StringBuffer everywhere, and St
The `@Stable` on the `index` field is incorrect, as stable only avoids inlining
`0`. Solution is to use bit flip on the actual index (and rename the field to
`flippedIndex`), so we use -1 to -256 (mapping to 0 to 255) and 0 the default
value is used as an unset indicator.
-
Commit
On Fri, 12 Jul 2024 11:09:35 GMT, Roman Kennke wrote:
>> Axel Boldt-Christmas has updated the pull request incrementally with one
>> additional commit since the last revision:
>>
>> Update arguments.cpp
>
> src/hotspot/share/oops/instanceKlass.cpp line 1090:
>
>> 1088:
>> 1089: // Step
> When inflating a monitor the `ObjectMonitor*` is written directly over the
> `markWord` and any overwritten data is displaced into a displaced `markWord`.
> This is problematic for concurrent GCs which needs extra care or looser
> semantics to use this displaced data. In Lilliput this data als
Remove unused `Class/Field/Method/CodeBuilder.original()`, and make
`Field/Method/CodeModel.parent()` return present only if it's bound (i.e. not
buffered transformed). See the CSR for details.
-
Commit messages:
- 8335938: Review XxxBuilder.original and XxxModel.parent
Changes: h
Remove `AnnotationConstantValueEntry` and `AnnotationValue.OfConstant`.
This is a relic of the old model from
https://github.com/openjdk/jdk-sandbox/commit/bb7e29474ecfcfbd1eb01d237593eb80d062944f.
In addition, this is bug-prone: the byte, short, char, and boolean constants
use the int entry, a
On Tue, 9 Jul 2024 23:29:28 GMT, Chen Liang wrote:
>> `CompoundElement` already inherits `Iterable` and its `forEach(Consumer)`,
>> thus we can remove `Iterable elements()` and `forEachElements(Consumer)`.
>
> Chen Liang has updated the pull request incrementally with one additional
> commit si
On Tue, 9 Jul 2024 21:42:46 GMT, Chen Liang wrote:
> `CompoundElement` already inherits `Iterable` and its `forEach(Consumer)`,
> thus we can remove `Iterable elements()` and `forEachElements(Consumer)`.
This pull request has now been integrated.
Changeset: a9f5e76a
Author:Chen Liang
URL:
On Wed, 10 Jul 2024 07:30:36 GMT, Adam Sotona wrote:
>> Chen Liang has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> return tag required
>
> Looks good to me.
> Nice cleanup job!
@asotona I have fixed the merge conflict (imports) and reru
On Tue, 2 Jul 2024 12:20:17 GMT, Yasumasa Suenaga wrote:
> We cannot pass GNU style options like `--enable-preview` to `jlink
> --add-option`. It is hard to use for complex application.
>
> We have workaround for this issue (see JBS), but I think it is better to fix
> on JDK side.
Hello @YaSu
> I have implemented the Zimmermann's square root algorithm, available in works
> [here](https://inria.hal.science/inria-00072854/en/) and
> [here](https://www.researchgate.net/publication/220532560_A_proof_of_GMP_square_root).
>
> The algorithm is proved to be asymptotically faster than the New
> I have implemented the Zimmermann's square root algorithm, available in works
> [here](https://inria.hal.science/inria-00072854/en/) and
> [here](https://www.researchgate.net/publication/220532560_A_proof_of_GMP_square_root).
>
> The algorithm is proved to be asymptotically faster than the New
> I have implemented the Zimmermann's square root algorithm, available in works
> [here](https://inria.hal.science/inria-00072854/en/) and
> [here](https://www.researchgate.net/publication/220532560_A_proof_of_GMP_square_root).
>
> The algorithm is proved to be asymptotically faster than the New
> Removes ClassFile API transformation implementation details accidentally
> leaked to public API. Users don't have access to classes necessary to
> correctly implement these transform resolutions. In addition, removed
> improper `canWriteDirect` and made `ClassFileBuilder::transform` chain
> r
On Fri, 3 Nov 2023 18:11:10 GMT, Weibing Xiao wrote:
> File.mkdirs() occasionally fails to create folders on Windows shared folders.
> It turned out that Windows API FindFirstFileW created the error
> ERROR_NO_MORE_FILES. In some of the cases with a valid file path, this error
> still returns
On Sat, 13 Jul 2024 16:43:16 GMT, Rémi Forax wrote:
> Knowing that all the segments are freed during close() is something you may
> want. But having the execution time of close() be linear with the number of
> threads is also problematic. Maybe, it means that we need another kind of
> Arena th
On Fri, 12 Jul 2024 20:59:26 GMT, Jorn Vernee wrote:
>> This PR limits the number of cases in which we deoptimize frames when
>> closing a shared Arena. The initial intent of this was to improve the
>> performance of shared arena closure in cases where a lot of threads are
>> accessing and clo
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