> Re-write the IndexOf code without the use of the pcmpestri instruction, only
> using AVX2 instructions. This change accelerates String.IndexOf on average
> 1.3x for AVX2. The benchmark numbers:
>
>
> BenchmarkScore
> Latest
On Fri, 3 May 2024 19:02:41 GMT, Naoto Sato wrote:
> We have a test that checks if `System.console()` returns the correct Console
> (or null) from the expected module
> (`test/jdk/java/io/Console/ModuleSelectionTest.java`)
>
Good; then here we should indeed specify `-Djdk.console=jdk.internal.
P.S. I didn’t directly address David’s request for that magic number N.
I would just assume 32 bits as the conservative element size (for oops)
and work from there. If the cache line size is 64 bytes, then N=16.
These are robust assumptions, even if they waste a little space
when N could be 8 (bec
Some of these sorts of use cases could be covered by somehow discovering
a platform-specific parameter N such that a[I] and a[I+N] are not likely
to have false sharing in a data cache, for any I. (Or a series of N0,
N1, … that prevent a[N0], a[N1]… from being falsely shared.) David is
right that
On Mon, 29 Apr 2024 23:22:21 GMT, Naoto Sato wrote:
>> Proposing new overloaded methods in `java.io.Console` class that explicitly
>> take a `Locale` argument. Existing methods rely on the default locale, so
>> the users won't be able to format their prompts/outputs in a certain locale
>> expl
Also , as a helpful hint, Skara has reminded you not to force push [1].
I see that you have done this a couple times, which suggests you might
be in the habit of doing this as part of your workflow. Please don't.
Instead, if you need to make changes, push the changes as additional
commits. Skar
On Fri, 3 May 2024 15:28:05 GMT, Adam Sotona wrote:
> Specifically corrupted constant pool of a class file can cause
> ClassCastException, when the entries are accessed by Class-File API in exact
> order.
>
> This fix avoids the ClassCastException and throws ConstantPoolException
> instead.
>
On Fri, 3 May 2024 18:52:12 GMT, Pavel Rappo wrote:
> Ideally, we should have separate tests that make sure that jdk.internal.le is
> the default impl.
We have a test that checks if `System.console()` returns the correct Console
(or null) from the expected module
(`test/jdk/java/io/Console/Mo
Hello,
This is the PR [1]. This is the sequence that should be followed:
1. Align the name title of the PR with the issue. (you)
2. Continue the conversation until at least one Reviewer approves it. (one or
more of us)
3. Comment with /integrate command. (you)
4. Comment with /sponsor command. (
On Fri, 3 May 2024 17:07:59 GMT, Naoto Sato wrote:
> Or maybe we could explicitly specify `-Djdk.console=jdk.internal.le` to the
> test.
We could do that, or we could replace `jdk.internal.le` with "default" in the
summary.
Ideally, we should have separate tests that make sure that jdk.intern
On Fri, 3 May 2024 18:29:23 GMT, Justin Lu wrote:
>> Please review this PR which corrects an edge case bug for
>> java.text.DecimalFormat that causes incorrect parsing results for strings
>> with very large exponent values.
>>
>> When parsing values with large exponents, if the value of the ex
On Fri, 3 May 2024 18:24:31 GMT, Justin Lu wrote:
>> src/java.base/share/classes/java/text/DecimalFormat.java line 2596:
>>
>>> 2594: exponent = -exponent;
>>> 2595: }
>>> 2596: sawExponent = true;
>>
>> I see you remov
On Fri, 3 May 2024 18:02:05 GMT, Naoto Sato wrote:
>> Justin Lu has updated the pull request incrementally with two additional
>> commits since the last revision:
>>
>> - correct other test comment
>> - reflect review
>
> src/java.base/share/classes/java/text/DecimalFormat.java line 2596:
>
> Please review this PR which corrects an edge case bug for
> java.text.DecimalFormat that causes incorrect parsing results for strings
> with very large exponent values.
>
> When parsing values with large exponents, if the value of the exponent
> exceeds `Integer.MAX_VALUE`, the parsed value
Hello,
For my first contribution to OpenJDK, I've started looking into
JDK-8313674, an issue that falls into core-libs. According to the OpenJDK
Developers’ Guide I'd need a sponsor to help me through the contribution
process, would anyone be available to help me ?
Thanks in advance
Íñigo Mediav
Hello,
For my first contribution to OpenJDK, I've started looking into
JDK-8313674, an issue that falls into core-libs. According to the OpenJDK
Developers’ Guide I'd need a sponsor to help me through the contribution
process, would anyone be available to help me ?
Thanks in advance
Íñigo Mediav
> On 3 May 2024, at 18:33, David Lloyd wrote:
>
>
> On Fri, May 3, 2024 at 10:12 AM Mark Reinhold
> wrote:
> https://openjdk.org/jeps/471
>
> Summary: Deprecate the memory-access methods in sun.misc.Unsafe for
> removal in a future release.
>
>
> We still use Unsafe fairly often in va
On Fri, 3 May 2024 08:47:03 GMT, Justin Lu wrote:
> Please review this PR which corrects an edge case bug for
> java.text.DecimalFormat that causes incorrect parsing results for strings
> with very large exponent values.
>
> When parsing values with large exponents, if the value of the exponen
On Fri, 3 May 2024 17:13:04 GMT, Adam Sotona wrote:
>> Specifically corrupted constant pool of a class file can cause
>> ClassCastException, when the entries are accessed by Class-File API in exact
>> order.
>>
>> This fix avoids the ClassCastException and throws ConstantPoolException
>> inst
> Specifically corrupted constant pool of a class file can cause
> ClassCastException, when the entries are accessed by Class-File API in exact
> order.
>
> This fix avoids the ClassCastException and throws ConstantPoolException
> instead.
> Test is attached.
>
> Please review.
>
> Thanks,
>
On Fri, 3 May 2024 16:25:30 GMT, Paul Sandoz wrote:
>> Adam Sotona has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> applied suggested changes
>
> src/java.base/share/classes/jdk/internal/classfile/impl/ClassReaderImpl.java
> line 402:
>
On Fri, 3 May 2024 11:12:48 GMT, Pavel Rappo wrote:
>> When JLine reads a line, there may be a prompt provided. However, JLine will
>> not interpret the prompt literally, it will handle `%` specially. As a
>> consequence, doing:
>>
>> System.console().readLine("%%s");
>>
>>
>> will not print
On Wed, 1 May 2024 16:10:06 GMT, Justin Lu wrote:
> Please review this PR which converts _TestEncodingDecodingLength.java_ into a
> whitebox test which allows for testing to be done without memory usage issues.
>
> Currently, the test requires about ~2.75 `Integer.MAX_VALUE` sized byte
> array
On Fri, 3 May 2024 15:28:05 GMT, Adam Sotona wrote:
> Specifically corrupted constant pool of a class file can cause
> ClassCastException, when the entries are accessed by Class-File API in exact
> order.
>
> This fix avoids the ClassCastException and throws ConstantPoolException
> instead.
>
On Thu, 2 May 2024 20:54:58 GMT, Naoto Sato wrote:
> Fixing a comment in `java.io.Console`, which was a leftover from the fix to
> https://bugs.openjdk.org/browse/JDK-8308591
This pull request has now been integrated.
Changeset: cf2c80e4
Author:Naoto Sato
URL:
https://git.openjdk.o
On Thu, 2 May 2024 20:54:58 GMT, Naoto Sato wrote:
> Fixing a comment in `java.io.Console`, which was a leftover from the fix to
> https://bugs.openjdk.org/browse/JDK-8308591
Thank you for the reviews!
-
PR Comment: https://git.openjdk.org/jdk/pull/19070#issuecomment-2093318995
> Fixing a comment in `java.io.Console`, which was a leftover from the fix to
> https://bugs.openjdk.org/browse/JDK-8308591
Naoto Sato has updated the pull request incrementally with one additional
commit since the last revision:
Update src/java.base/share/classes/java/io/Console.java
Th
On Fri, 3 May 2024 15:58:11 GMT, Severin Gehwolf wrote:
>> src/java.base/share/classes/sun/launcher/LauncherHelper.java line 375:
>>
>>> 373: if (!c.isContainerized()) {
>>> 374: ostream.println(INDENT + "System not containerized.");
>>> 375: return;
>>
>> Why re
On Mon, 22 Apr 2024 13:56:23 GMT, Jan Kratochvil
wrote:
> Anyway in this patch one could unify naming across variables/parameters, the
> same value is called `_is_ro`, `is_read_only`, `ro_opt`, `read_only`, `ro`.
I've tried to unify the naming a bit. Thanks for the review!
-
PR C
> Please review this enhancement to the container detection code which allows
> it to figure out whether the JVM is actually running inside a container
> (`podman`, `docker`, `crio`), or with some other means that enforces
> memory/cpu limits by means of the cgroup filesystem. If neither of thos
On Tue, 16 Apr 2024 18:21:29 GMT, Thomas Stuefe wrote:
> Why return here?
Because it's not useful to see containerized settings (other than the cg
version in use) after this patch. The JVM won't use them (uses the physical
settings instead). Why would you want to show the settings?
--
On Tue, 16 Apr 2024 18:10:08 GMT, Thomas Stuefe wrote:
>> src/hotspot/os/linux/cgroupSubsystem_linux.cpp line 351:
>>
>>> 349: //
>>> 350: // We collect the read only mount option in the cgroup infos so as
>>> to have that
>>> 351: // info ready when determining is_containerized().
On Tue, 16 Apr 2024 18:16:33 GMT, Thomas Stuefe wrote:
>> Severin Gehwolf 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 ten additional
>> comm
Specifically corrupted constant pool of a class file can cause
ClassCastException, when the entries are accessed by Class-File API in exact
order.
This fix avoids the ClassCastException and throws ConstantPoolException instead.
Test is attached.
Please review.
Thanks,
Adam
-
Comm
> Since ~ end of March, after
> [JDK-8329131](https://bugs.openjdk.org/browse/JDK-8329131),
> tools/launcher/JliLaunchTest.java fails on AIX. Failure is :
>
> stdout: [];
> stderr: [Error: could not find libjava.so
> Error: Could not find Java SE Runtime Environment.
> ]
> exitValue = 2
>
>
Hi,
I would also reinforce Stephen's early observation that the pattern for
"until" methods in java.time includes those of the XXXDate classes, with
a single Temporal parameter. Period and Duration are similar values
holding relative TemporalAmounts.
public Period until(ChronoLocalDate
On Thu, 2 May 2024 20:54:58 GMT, Naoto Sato wrote:
> Fixing a comment in `java.io.Console`, which was a leftover from the fix to
> https://bugs.openjdk.org/browse/JDK-8308591
Looks good.
src/java.base/share/classes/java/io/Console.java line 409:
> 407: * The JdkConsole provider u
On Fri, 3 May 2024 11:31:35 GMT, Alan Bateman wrote:
>
> I was busy with other things and missed JoKern65's comment. I would be less
> risky to limit this to AIX for now.
Thanks for your comment; we see the issue only on AIX so it makes sense to
limit it to this platform.
-
PR
On Fri, 3 May 2024 08:15:32 GMT, Matthias Baesken wrote:
> The naming GetApplicationHomeFromLD_LIBRARY_PATH looks a bit unconventional ;
> maybe adjust this ? Regarding if the code should be added for all platforms
> or just AIX, let's hear what Alan and others have to say.
I was busy with oth
On Fri, 3 May 2024 10:11:02 GMT, Jan Lahoda wrote:
> When JLine reads a line, there may be a prompt provided. However, JLine will
> not interpret the prompt literally, it will handle `%` specially. As a
> consequence, doing:
>
> System.console().readLine("%%s");
>
>
> will not print `%s`, as
On Mon, 6 Nov 2023 07:30:41 GMT, Chen Liang wrote:
> API changes as discussed on the mailing list:
> https://mail.openjdk.org/pipermail/classfile-api-dev/2023-November/000419.html
>
> Additional questions:
> 1. Whether to rename `WildcardIndicator.DEFAULT` to `NONE`
This pull request has now b
On Thu, 2 May 2024 12:22:23 GMT, Adam Sotona wrote:
>> This patch adds `javap -verify` option to check the class and print obvious
>> verification errors found.
>> Implementation depends on extended Class-File API verification support, so
>> PR #16809 is important to precede.
>> The new `javap`
When JLine reads a line, there may be a prompt provided. However, JLine will
not interpret the prompt literally, it will handle `%` specially. As a
consequence, doing:
System.console().readLine("%%s");
will not print `%s`, as first `String.format` is used, which will convert `%%s`
to `%s`, an
Please review this PR which corrects an edge case bug for
java.text.DecimalFormat that causes incorrect parsing results for strings with
very large exponent values.
When parsing values with large exponents, if the value of the exponent exceeds
`Integer.MAX_VALUE`, the parsed value is equal to
On Mon, 29 Apr 2024 14:45:07 GMT, Joachim Kern wrote:
> Since ~ end of March, after
> [JDK-8329131](https://bugs.openjdk.org/browse/JDK-8329131),
> tools/launcher/JliLaunchTest.java fails on AIX. Failure is :
>
> stdout: [];
> stderr: [Error: could not find libjava.so
> Error: Could not find
On Thu, 2 May 2024 20:54:58 GMT, Naoto Sato wrote:
> Fixing a comment in `java.io.Console`, which was a leftover from the fix to
> https://bugs.openjdk.org/browse/JDK-8308591
Marked as reviewed by jlu (Committer).
-
PR Review: https://git.openjdk.org/jdk/pull/19070#pullrequestrevi
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