On Thu, 20 Jul 2023 10:26:03 GMT, Doug Lea wrote:
>> This update addresses performance issues across both LinkedTransferQueue and
>> SynchronousQueue by creating a common basis for implementation across them
>> (mainly in LinkedTransferQueue). Pasting from internal doc summary of
>> changes:
On Thu, 20 Jul 2023 10:26:03 GMT, Doug Lea wrote:
>> This update addresses performance issues across both LinkedTransferQueue and
>> SynchronousQueue by creating a common basis for implementation across them
>> (mainly in LinkedTransferQueue). Pasting from internal doc summary of
>> changes:
On Thu, 20 Jul 2023 10:26:03 GMT, Doug Lea wrote:
>> This update addresses performance issues across both LinkedTransferQueue and
>> SynchronousQueue by creating a common basis for implementation across them
>> (mainly in LinkedTransferQueue). Pasting from internal doc summary of
>> changes:
On Thu, 20 Jul 2023 21:43:49 GMT, Maurizio Cimadamore
wrote:
>>> By the way, I ran `LoopOverNonConstantHeap` on the 3700x platform, and the
>>> performance of ByteBuffer was also poor:
>>
>> I finally see it.
>>
>>
>> Benchmark (polluteProfile) Mode Cnt Score
On Sat, 8 Jul 2023 10:48:15 GMT, sid8606 wrote:
>> Implementation of "Foreign Function & Memory API" for s390x (Big Endian).
>
> sid8606 has updated the pull request incrementally with one additional commit
> since the last revision:
>
> Address suggestions from Jorn Vernee
I've seen
java/f
On Fri, 21 Jul 2023 09:30:53 GMT, Viktor Klang wrote:
>> Doug Lea has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> nitpicks
>
> src/java.base/share/classes/java/util/concurrent/LinkedTransferQueue.java
> line 397:
>
>> 395: * T
Use the same approach as Logger::defaultLogger() to ensure that the appender
is not destroyed before shared object destructor function is executed.
The alternative is to delete dcon() function, but we might run into a similiar
tear-down issue later (e.g. logging from some object's destructor).
On Tue, 28 Mar 2023 02:37:22 GMT, Stuart Marks wrote:
>> PR for Sequenced Collections implementation.
>
> Stuart Marks has updated the pull request incrementally with one additional
> commit since the last revision:
>
> Simplify handling of cached keySet, values, and entrySet views.
Removing
On Fri, 21 Jul 2023 10:55:19 GMT, Doug Lea wrote:
>> src/java.base/share/classes/java/util/concurrent/LinkedTransferQueue.java
>> line 446:
>>
>>> 444: Thread.onSpinWait();
>>> 445: else
>>> 446: LockSupport.parkNanos(ns);
>>
On Mon, 24 Apr 2023 21:39:43 GMT, Stuart Marks wrote:
>> PR for Sequenced Collections implementation.
>
> Stuart Marks has updated the pull request with a new target base due to a
> merge or a rebase. The pull request now contains 96 commits:
>
> - Merge branch 'master' into JDK-8266571-Sequen
On Fri, 21 Jul 2023 10:46:14 GMT, Martin Doerr wrote:
>> sid8606 has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> Address suggestions from Jorn Vernee
>
> I've seen
>
> java/foreign/StdLibTest.java
> Total tests run: 41388, Passes: 39378
On Sat, 8 Jul 2023 10:48:15 GMT, sid8606 wrote:
>> Implementation of "Foreign Function & Memory API" for s390x (Big Endian).
>
> sid8606 has updated the pull request incrementally with one additional commit
> since the last revision:
>
> Address suggestions from Jorn Vernee
I can see it fail
> This update addresses performance issues across both LinkedTransferQueue and
> SynchronousQueue by creating a common basis for implementation across them
> (mainly in LinkedTransferQueue). Pasting from internal doc summary of
> changes:
> * * Class DualNode replaces Qnode, with fields an
On Tue, 18 Jul 2023 06:59:52 GMT, Jaikiran Pai wrote:
> Can I please get a review of this change which proposes to deprecate for
> removal the `-Xdebug` option and `-debug` option of the `java` command? This
> addresses https://bugs.openjdk.org/browse/JDK-8227229.
>
> As noted in the JBS issu
On Sat, 8 Jul 2023 10:48:15 GMT, sid8606 wrote:
>> Implementation of "Foreign Function & Memory API" for s390x (Big Endian).
>
> sid8606 has updated the pull request incrementally with one additional commit
> since the last revision:
>
> Address suggestions from Jorn Vernee
I am using below
On Fri, 21 Jul 2023 12:31:07 GMT, Doug Lea wrote:
>> This update addresses performance issues across both LinkedTransferQueue and
>> SynchronousQueue by creating a common basis for implementation across them
>> (mainly in LinkedTransferQueue). Pasting from internal doc summary of
>> changes:
On Fri, 21 Jul 2023 11:16:11 GMT, Hollis Waite wrote:
>> Stuart Marks has updated the pull request with a new target base due to a
>> merge or a rebase. The pull request now contains 96 commits:
>>
>> - Merge branch 'master' into JDK-8266571-SequencedCollections
>> - Optimizations for Reverse
On Fri, 21 Jul 2023 11:16:11 GMT, Hollis Waite wrote:
> It'd be convenient if SequencedCollection overrode Iterable.iterator() to
> return a ListIterator. That would make it simpler to derive a List from
> LinkedHashMap.values().
What stops you from deriving a list from LinkedHashMap.values()
On Fri, 21 Jul 2023 11:16:55 GMT, Doug Lea wrote:
>> It's a good point, but we don't normally do this. Added (L336):
>> * returns just barely too soon. As is the case in most j.u.c
>> * blocking support, untimed waits use ManagedBlockers when
>> * callers are ForkJoin threads, but
On Fri, 21 Jul 2023 12:31:07 GMT, Doug Lea wrote:
>> This update addresses performance issues across both LinkedTransferQueue and
>> SynchronousQueue by creating a common basis for implementation across them
>> (mainly in LinkedTransferQueue). Pasting from internal doc summary of
>> changes:
On Fri, 21 Jul 2023 11:16:11 GMT, Hollis Waite wrote:
>> Stuart Marks has updated the pull request with a new target base due to a
>> merge or a rebase. The pull request now contains 96 commits:
>>
>> - Merge branch 'master' into JDK-8266571-SequencedCollections
>> - Optimizations for Reverse
On Fri, 21 Jul 2023 10:55:13 GMT, Vladimir Petko wrote:
> Use the same approach as Logger::defaultLogger() to ensure that the appender
> is not destroyed before shared object destructor function is executed.
>
> The alternative is to delete dcon() function, but we might run into a
> similiar
On Sat, 8 Jul 2023 10:48:15 GMT, sid8606 wrote:
>> Implementation of "Foreign Function & Memory API" for s390x (Big Endian).
>
> sid8606 has updated the pull request incrementally with one additional commit
> since the last revision:
>
> Address suggestions from Jorn Vernee
StdLibTest tests
On Fri, 21 Jul 2023 09:43:43 GMT, Uwe Schindler wrote:
>
> So have you thought of making this low-level classes public so we outside
> users no longer need to deal with VarHandles?
>
I believe this is beyond the scope of this PR.
As for what do we do in the JDK, I can see few options:
1. We
On Thu, 20 Jul 2023 19:29:33 GMT, Stephen Colebourne
wrote:
>> Roger Riggs 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 12 additional
>> com
> In java.time packages, clarify timeline order javadoc to mention "before" and
> "after" in the value of the `compareTo` method return values.
> Add javadoc @see tags to isBefore and isAfter methods
>
> Replace use of "negative" and positive with "less than zero" and "greater
> than zero" in j
> In java.time packages, clarify timeline order javadoc to mention "before" and
> "after" in the value of the `compareTo` method return values.
> Add javadoc @see tags to isBefore and isAfter methods
>
> Replace use of "negative" and positive with "less than zero" and "greater
> than zero" in j
On Fri, 21 Jul 2023 15:59:42 GMT, Roger Riggs wrote:
>> In java.time packages, clarify timeline order javadoc to mention "before"
>> and "after" in the value of the `compareTo` method return values.
>> Add javadoc @see tags to isBefore and isAfter methods
>>
>> Replace use of "negative" and po
On Fri, 21 Jul 2023 15:59:42 GMT, Roger Riggs wrote:
>> In java.time packages, clarify timeline order javadoc to mention "before"
>> and "after" in the value of the `compareTo` method return values.
>> Add javadoc @see tags to isBefore and isAfter methods
>>
>> Replace use of "negative" and po
On Fri, 21 Jul 2023 13:53:57 GMT, Viktor Klang wrote:
>> Doug Lea has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> Address review comments
>
> src/java.base/share/classes/java/util/concurrent/LinkedTransferQueue.java
> line 639:
>
>> 63
On Mon, 24 Apr 2023 21:39:43 GMT, Stuart Marks wrote:
>> PR for Sequenced Collections implementation.
>
> Stuart Marks has updated the pull request with a new target base due to a
> merge or a rebase. The pull request now contains 96 commits:
>
> - Merge branch 'master' into JDK-8266571-Sequen
On Fri, 21 Jul 2023 14:00:06 GMT, Viktor Klang wrote:
>> Doug Lea has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> Address review comments
>
> src/java.base/share/classes/java/util/concurrent/LinkedTransferQueue.java
> line 896:
>
>> 89
> This update addresses performance issues across both LinkedTransferQueue and
> SynchronousQueue by creating a common basis for implementation across them
> (mainly in LinkedTransferQueue). Pasting from internal doc summary of
> changes:
> * * Class DualNode replaces Qnode, with fields an
On Mon, 24 Apr 2023 21:39:43 GMT, Stuart Marks wrote:
>> PR for Sequenced Collections implementation.
>
> Stuart Marks has updated the pull request with a new target base due to a
> merge or a rebase. The pull request now contains 96 commits:
>
> - Merge branch 'master' into JDK-8266571-Sequen
On Fri, 21 Jul 2023 16:19:35 GMT, Hollis Waite wrote:
>> Stuart Marks has updated the pull request with a new target base due to a
>> merge or a rebase. The pull request now contains 96 commits:
>>
>> - Merge branch 'master' into JDK-8266571-SequencedCollections
>> - Optimizations for Reverse
On Fri, 21 Jul 2023 16:19:35 GMT, Hollis Waite wrote:
> a SequencedCollection is backed by a doubly linked list. It's up to the user
> to understand performance implications.
Beware of this kind of thinking, implementations of collections in the JDK
change.
Many hashtable implementations in o
On Tue, 18 Jul 2023 20:06:56 GMT, Andrey Turbanov wrote:
> Found opportunity to make static `ServiceLoader.LANG_ACCESS` field `final`.
This pull request has now been integrated.
Changeset: f4ba7b21
Author:Andrey Turbanov
URL:
https://git.openjdk.org/jdk/commit/f4ba7b219851217c48e462
On Mon, 24 Apr 2023 21:39:43 GMT, Stuart Marks wrote:
>> PR for Sequenced Collections implementation.
>
> Stuart Marks has updated the pull request with a new target base due to a
> merge or a rebase. The pull request now contains 96 commits:
>
> - Merge branch 'master' into JDK-8266571-Sequen
On Fri, 21 Jul 2023 15:59:42 GMT, Roger Riggs wrote:
>> In java.time packages, clarify timeline order javadoc to mention "before"
>> and "after" in the value of the `compareTo` method return values.
>> Add javadoc @see tags to isBefore and isAfter methods
>>
>> Replace use of "negative" and po
On Fri, 21 Jul 2023 16:48:12 GMT, Stuart Marks wrote:
> ListIterator fuses three different concepts: the ability to traverse forwards
> and
> backwards, the ability to mutate the underlying List at the current location
> (add/remove/set), and the index of the current location. Which of these is
On Fri, 21 Jul 2023 15:59:42 GMT, Roger Riggs wrote:
>> In java.time packages, clarify timeline order javadoc to mention "before"
>> and "after" in the value of the `compareTo` method return values.
>> Add javadoc @see tags to isBefore and isAfter methods
>>
>> Replace use of "negative" and po
On Sat, 8 Jul 2023 10:48:15 GMT, sid8606 wrote:
>> Implementation of "Foreign Function & Memory API" for s390x (Big Endian).
>
> sid8606 has updated the pull request incrementally with one additional commit
> since the last revision:
>
> Address suggestions from Jorn Vernee
FWIW, I found a b
On Fri, 21 Jul 2023 15:14:23 GMT, Maurizio Cimadamore
wrote:
>> So have you thought of making this low-level classes public so we outside
>> users no longer need to deal with VarHandles?
> I believe this is beyond the scope of this PR.
Sure, I brought this up here but yes, it is not really th
On Fri, 21 Jul 2023 16:29:24 GMT, Doug Lea wrote:
>> src/java.base/share/classes/java/util/concurrent/LinkedTransferQueue.java
>> line 896:
>>
>>> 894: for (DualNode p = (pred == null) ? head : pred.next, c = p;
>>> 895: p != null; ) {
>>> 896: boole
On Fri, 21 Jul 2023 10:55:13 GMT, Vladimir Petko wrote:
> Use the same approach as Logger::defaultLogger() to ensure that the appender
> is not destroyed before shared object destructor function is executed.
>
> The alternative is to delete dcon() function, but we might run into a
> similiar
On Wed, 21 Jun 2023 15:03:12 GMT, Sergey Tsypanov wrote:
>> Just a tiny clean-up to remove racy read within synchronized method
>
> Sergey Tsypanov has updated the pull request incrementally with one
> additional commit since the last revision:
>
> Update src/java.base/share/classes/java/io/P
Limit native memory allocation and move write loop from the native layer into
Java. This change should make the OOME reported in the issue much less likely.
-
Commit messages:
- 6478546: FileInputStream.read() throws OutOfMemoryError when there is plenty
available
Changes: https:/
On Fri, 21 Jul 2023 22:40:00 GMT, Brian Burkhalter wrote:
> Limit native memory allocation and move write loop from the native layer into
> Java. This change should make the OOME reported in the issue much less likely.
The cost of native memory allocation appears to degrade the throughput of re
On Fri, 7 Apr 2023 12:22:03 GMT, Andy-Tatman wrote:
> See https://bugs.java.com/bugdatabase/view_bug?bug_id=8305734 and
> https://bugs.java.com/bugdatabase/view_bug?bug_id=JDK-8311905
Hi, thanks for the background and the discussion of the alternatives. I'm not
sure that drafting the CSR is th
On Sat, 8 Jul 2023 10:48:15 GMT, sid8606 wrote:
>> Implementation of "Foreign Function & Memory API" for s390x (Big Endian).
>
> sid8606 has updated the pull request incrementally with one additional commit
> since the last revision:
>
> Address suggestions from Jorn Vernee
I have narrowed d
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