On Tue, 16 Jan 2024 07:40:44 GMT, John Hendrikx wrote:
> Update the documentation for `@return` tag of `putIfAbsent` to match the main
> description. `putIfAbsent` uses the same wording as `put` for its `@return`
> tag, but that is incorrect. `putIfAbsent` never returns the **previous**
> val
On Wed, 24 Jan 2024 00:26:09 GMT, Joshua Cao wrote:
> Add notes for `HashMap::putAll()` conservative resizing.
>
> Note: everything below this line is from the original change. After
> discussion, we decided to keep the conservative resizing, but we should add
> an `@implNote` for the decision
On Tue, 2 Apr 2024 15:04:40 GMT, Per Minborg wrote:
> This PR proposes to add an internal layout transformer that could be used to
> transform MemoryLayout entities. For example, it would be possible to convert
> a struct layout to use network order ((big-endian) instead of native byte
> order
On Fri, 1 Sep 2023 15:13:46 GMT, Martin Balao wrote:
> In addition to the goals, scope, motivation, specification and requirement
> notes in [JDK-8315487](https://bugs.openjdk.org/browse/JDK-8315487), we would
> like to describe the most relevant decisions taken during the implementation
> of
On Fri, 5 Apr 2024 00:00:58 GMT, Evemose wrote:
> **Subject**
> Addition of Predicate-based `indexOf` and `lastIndexOf` methods to
> `java.util.List`
>
> **Motivation**
> The motivation behind this proposal is to enhance the functionality of the
> `List` interface by providing a more flexible
On Sun, 10 Mar 2024 16:11:12 GMT, Shaojin Wen wrote:
> The current BigDecimal(String) constructor calls String#toCharArray, which
> has a memory allocation.
>
>
> public BigDecimal(String val) {
> this(val.toCharArray(), 0, val.length()); // allocate char[]
> }
>
>
> When the length is g
On Fri, 17 Nov 2023 16:22:55 GMT, Tim Prinzing wrote:
> Added mirror event with static methods: jdk.internal.event.SelectionEvent
> that provides the duration of select calls and the count of how many keys are
> available.
>
> Emit the event from SelectorImpl::lockAndDoSelect
>
> Test at jdk.
On Fri, 28 Jun 2024 12:46:49 GMT, Shaojin Wen wrote:
>> Currently, the java.util.Formatter$Conversion::isValid method is implemented
>> based on switch, which cannot be inlined because codeSize > 325. This
>> problem can be avoided by implementing it with ImmutableBitSetPredicate.
>>
>> use `-
On Thu, 18 Jan 2024 18:50:56 GMT, Jim Laskey wrote:
> Currently String::translateEscapes does not support unicode escapes, reported
> as a IllegalArgumentException("Invalid escape sequence: ...").
> String::translateEscapes should translate unicode escape sequences to provide
> full coverage,
On Tue, 23 Jan 2024 13:04:43 GMT, SendaoYan wrote:
>> 8323640: [TESTBUG]testMemoryFailCount in
>> jdk/internal/platform/docker/TestDockerMemoryMetrics.java always fail
>> because OOM killed
>
> SendaoYan has updated the pull request incrementally with one additional
> commit since the last rev
On Wed, 7 Feb 2024 16:07:02 GMT, Hamlin Li wrote:
> HI,
> Can you have a look at this patch adding some tests for Math.round
> instrinsics?
> Thanks!
>
> ### FYI:
> During the development of RoundVF/RoundF, we faced the issues which were only
> spotted by running test exhaustively against 32/6
On Tue, 2 Jul 2024 16:24:49 GMT, Nizar Benalla wrote:
>> Can I please get a review for this small change? The motivation is that
>> javac does not recognize `package.html` files.
>>
>> The conversion was simple, I used a script to rename the files, append "*"
>> on the left and remove some HTM
On Wed, 3 Jul 2024 21:43:05 GMT, Shaojin Wen wrote:
> In JDK 21, StringBuilder added a repeat method, which can be used to improve
> j.u.Formatter#trailingZeros
@wenshao
Your change (at version a98bd05c857d0a04dfad471dd28f905be1345376) is now ready
to be sponsored by a Committer.
---
On Fri, 28 Jun 2024 11:11:51 GMT, Nizar Benalla wrote:
>> Please review this PR that aims to add all the remaining needed `@since`
>> tags in `java.base`, and group them into a single fix.
>> This is related to #18934 and my work around the `@since` checker feature.
>> Explicit `@since` tags are
On Wed, 27 Mar 2024 10:24:51 GMT, Jan Lahoda wrote:
> This is a patch for javac, that adds the Derived Record Creation expressions.
> The current draft specification for the feature is:
> https://cr.openjdk.org/~gbierman/jep468/jep468-20240326/specs/derived-record-creation-jls.html
>
> The curr
On Sun, 12 May 2024 02:48:31 GMT, xiaotaonan wrote:
> Add API to access ZipEntry.extraAttributes
This pull request has been closed without being integrated.
-
PR: https://git.openjdk.org/jdk/pull/19204
On Tue, 9 Jul 2024 16:12:58 GMT, Vanitha B P wrote:
>> Created jtreg test case for
>> [JDK-8325203](https://bugs.openjdk.org/browse/JDK-8325203) issue.
>>
>> The JpackageTest created tests that the child process started from the app
>> launched by jpackage launcher is not automatically termina
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 Fri, 7 Jun 2024 13:56:24 GMT, Chen Liang wrote:
>> In java.base, especially in bytecode generators, we have many different
>> methods converting known valid Class and MethodType into ClassDesc and
>> MethodTypeDesc. These conversions should be consolidated into the same
>> utility method fo
On Fri, 10 May 2024 04:55:21 GMT, Chen Liang wrote:
>> GenerateJLIClassesHelper has been making wrong assumptions about Invoker's
>> LambdaForm method type parameters. Since they are distinct from those of
>> Linkers, they are now tracked and generated separately. It seems that no
>> proper in
On Sun, 12 May 2024 02:42:32 GMT, Chen Liang wrote:
>> Summary of the changes:
>> - Moved `com.sun.tools.classfile.Dependency` and `Dependencies` to jdeps;
>> they are exclusively used by jdeps in sources, and they are not used in any
>> tests too. This will ease the removal of `com.sun.tools.
On Wed, 29 May 2024 19:27:17 GMT, Chen Liang wrote:
>> I propose to add type-checked ConstantPool.entryByIndex and
>> ClassReader.readEntryOrNull taking an extra Class parameter, which throws
>> ConstantPoolException instead of ClassCastException on type mismatch, which
>> can happen to malfor
On Sun, 12 May 2024 08:36:44 GMT, Chen Liang wrote:
> Some tests are not migrated to the ClassFile API in previous migrations.
>
> - Some are simple oversights that didn't remove usages of
> com.sun.tools.classfile;
> - The CallerSensitive ones used an old utility, replaced by CF API-based ne
On Wed, 1 May 2024 22:39:05 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`
>
> Chen Liang has upda
On Thu, 11 Jul 2024 20:55:29 GMT, Nizar Benalla wrote:
> Can I please get a review for this small change, the relative link to the
> stylesheet isn't needed as it wasn't used anyway in the generated HTML. The
> correct link to the stylesheet is already in the generated HTML.
>
> This is the di
On Wed, 10 Jul 2024 22:02:12 GMT, Shaojin Wen wrote:
>> The current HexFormat defines an Enum to represent LowerCase and UpperCase
>>
>>
>> class HexFormat {
>> private enum Case {
>> LOWERCASE,
>> UPPERCASE
>> }
>> }
>>
>>
>> This will cause the JVM to load one more c
On Mon, 3 Jun 2024 18:00:35 GMT, Sean Gwizdak wrote:
>> Improve the speed of Method.hashCode by caching the hashcode on first use.
>> I've seen an application where Method.hashCode is a hot path, and this is a
>> fairly simple speedup. The memory overhead is low.
>>
>> This addresses issue
>
On Fri, 12 Jul 2024 07:39:11 GMT, SendaoYan wrote:
>> Hi all,
>> Currently, the testcase `test/jdk/tools/jlink/JLinkReproducibleTest.java`
>> doesn't receive jvm options from jtreg.
>> I think it's necessory to receive jvm options from jtreg.
>> Fix solution similar to
>> [JDK-8157850](https://
On Mon, 24 Jun 2024 16:16:29 GMT, SendaoYan wrote:
> Hi all,
> After [JDK-8294960](https://bugs.openjdk.org/browse/JDK-8294960), the
> footprint memory usage increased significantly when run the testcase with
> -Xcomp jvm options, then cause the testcase was killed by docker by OOM.
> Maybe
On Fri, 26 Apr 2024 14:06:02 GMT, Hamlin Li wrote:
> Hi,
> Can you help to review this simple patch?
> Some index check in Byte/ShortVector.fromArray/fromArray0Template seems not
> necessary, could be removed.
> Thanks
This pull request has been closed without being integrated.
-
On Mon, 24 Jun 2024 16:16:29 GMT, SendaoYan wrote:
> Hi all,
> After [JDK-8294960](https://bugs.openjdk.org/browse/JDK-8294960), the
> footprint memory usage increased significantly when run the testcase with
> -Xcomp jvm options, then cause the testcase was killed by docker by OOM.
> Maybe
On Tue, 21 May 2024 22:56:45 GMT, Justin Lu wrote:
> Please review this test-only clean up PR which converts the java.util.Base64
> tests to run under JUnit.
>
> In general, this allows for the tests to run independently, separates the
> data providers from the tests, as well being able to uti
On Thu, 18 Jul 2024 23:36:37 GMT, Shaojin Wen wrote:
> The StringBuilder.repeat method was added in JDK 21, which can be used to
> make some minor optimizations to existing code, including
> DateTimeFormatterBuilder
@wenshao
Your change (at version db3027b03030304dbec990c943eff0f037363e37) is
On Thu, 18 Jul 2024 05:21:36 GMT, Shaojin Wen wrote:
> class LocalDate {
> public String toString() {
> if (absYear < 1000) {
> if (yearValue < 0) {
> buf.append(yearValue - 1).deleteCharAt(1);
> } else {
> buf.append(yearVal
On Wed, 20 Sep 2023 04:52:31 GMT, Chen Liang wrote:
> Please review this patch that:
> 1. Implemented `forEach` to optimize for 1 or 2 element collections.
> 2. Implemented `spliterator` to optimize for a single element.
>
> The default implementations for multiple-element immutable collections
On Mon, 15 Jul 2024 02:30:54 GMT, lingjun-cg wrote:
>> ### 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.
On Sun, 21 Jul 2024 21:15:03 GMT, Nizar Benalla wrote:
>> Can I get a review for this change that fixes some broken links in javadoc
>> comments? The new docs are hosted
>> [here](https://cr.openjdk.org/~nbenalla/GeneratedDocs/8336039-warnings-links/).
>>
>> It's mostly fixing some relative li
On Tue, 23 Jul 2024 12:56:07 GMT, Shaojin Wen wrote:
>> Currently simpleConcat is implemented using mix and prepend, but in this
>> simple scenario, it can be implemented in a simpler way and can improve
>> performance.
>
> Shaojin Wen has updated the pull request incrementally with one additio
On Thu, 18 Jul 2024 15:43:05 GMT, Shaojin Wen wrote:
>> class LocalTime {
>> public String toString() {
>> // ...
>> if (nanoValue % 1000_000 == 0) {
>> buf.append(Integer.toString((nanoValue / 1000_000) +
>> 1000).substring(1));
>>
On Wed, 24 Jul 2024 16:00:10 GMT, Shaojin Wen wrote:
>> [8318446](https://github.com/openjdk/jdk/pull/16245) brings MergeStore. We
>> need a JMH Benchmark to evaluate the performance of various batch operations
>> and the effect of MergeStore.
>
> Shaojin Wen has updated the pull request with
On Thu, 25 Jul 2024 05:06:17 GMT, Shaojin Wen wrote:
> The current LocalDateTime.toString implementation concatenates the toString
> results of date and time, which can be passed to StringBuilder to reduce
> additional object allocation and improve performance.
@wenshao
Your change (at versio
On Thu, 25 Jul 2024 14:29:05 GMT, Shaojin Wen wrote:
>> Integer.stringSize and Long.stringSize are used not only in java.lang, but
>> also in other places. We put stringSize in DecimalDigits to reduce duplicate
>> code and the use of JLA.
>
> Shaojin Wen has updated the pull request incremental
On Thu, 25 Jul 2024 23:05:46 GMT, Shaojin Wen wrote:
>> The current LocalDateTime.toString implementation concatenates the toString
>> results of date and time, which can be passed to StringBuilder to reduce
>> additional object allocation and improve performance.
>
> Shaojin Wen has updated th
On Fri, 26 Jul 2024 00:00:49 GMT, Shaojin Wen wrote:
> 8337245: Fix wrong comment of StringConcatHelper
@wenshao
Your change (at version d453e6c2837cf7d8802f7fea624324361e085edf) is now ready
to be sponsored by a Committer.
-
PR Comment: https://git.openjdk.org/jdk/pull/20344#iss
On Tue, 30 Jul 2024 05:59:44 GMT, Vanitha B P wrote:
>> tools/jpackage/windows/WinChildProcessTest.java was failing intermittently,
>> fixed the issue and changes are tested.
>
> Vanitha B P has updated the pull request incrementally with one additional
> commit since the last revision:
>
>
On Thu, 4 Jul 2024 06:22:31 GMT, Hannes Greule wrote:
>> Similar to how `MethodHandle#invoke(Exact)` methods are already handled,
>> this change adds special casing for `VarHandle.{access-mode}` methods.
>>
>> The exception message is less exact, but I think that's acceptable.
>
> Hannes Greule
On Thu, 1 Aug 2024 10:16:59 GMT, fabioromano1 wrote:
>> 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
On Fri, 26 Jul 2024 21:06:31 GMT, Turkhan wrote:
> This PR fixes `java.util.Deque`'s specification to name `peekFirst()` as an
> equivalent to Stack's `peek()` method since both of them don't throw when a
> collection is empty. This is not the case with the current `getFirst()`
> method.
>
>
On Mon, 5 Feb 2024 04:25:16 GMT, Chris Hennick wrote:
> This provides a slightly more accurate bounding limit for
> `computeNextExponentialSoftCapped` when calling it from
> `computeNextGaussian`. This could cause the `while
> (computeNextExponentialSoftCapped(rng, limit) < limit)` check in
>
On Thu, 6 Oct 2022 06:28:04 GMT, Smita Kamath wrote:
>> 8289552: Make intrinsic conversions between bit representations of half
>> precision values and floats
>
> Smita Kamath has updated the pull request incrementally with one additional
> commit since the last revision:
>
> Updated instruc
On Mon, 10 Jun 2024 02:12:11 GMT, Glavo wrote:
> Things have changed since https://github.com/openjdk/jdk/pull/14636 was
> closed, so let me reopen it.
>
> https://github.com/openjdk/jdk/pull/15386 confirmed that `VarHandle` in BALE
> caused a startup regression. In order to not have any more
On Thu, 20 Jun 2024 19:17:25 GMT, jengebr wrote:
>> Improve `java/util/concurrent/CopyOnWriteArrayList` by eliminating needless
>> cloning of Object[0] instances. This cloning is intended to prevent callers
>> from changing array contents, but many `CopyOnWriteArrayList`s are allocated
>> to s
On Fri, 26 Jul 2024 06:29:05 GMT, SendaoYan wrote:
>> Hi all,
>> Test `test/jdk/java/lang/invoke/lambda/LogGeneratedClassesTest.java` fails
>> on rpm build mock environment. The `df -h` command return fail `df: cannot
>> read table of mounted file systems: No such file or directory` on the rpm
On Tue, 13 Aug 2024 16:34:18 GMT, Shaojin Wen wrote:
>> This PR implements the same algorithm as the current generateMHInlineCopy
>> based on bytecode to improve startup performance.
>
> Shaojin Wen has updated the pull request incrementally with two additional
> commits since the last revision
On Fri, 2 Aug 2024 16:14:41 GMT, Shaojin Wen wrote:
> j.u.Formatter$FixedString can be refactored to simplify the code using Record
@wenshao
Your change (at version c7ce3c724183ad3b4a09a9fac1d7411fdd8e) is now ready
to be sponsored by a Committer.
-
PR Comment: https://git.op
On Tue, 23 Apr 2024 13:56:32 GMT, Julian Waters wrote:
> WIP
>
> This changeset contains hsdis for Windows/gcc Port. It supports both the
> binutils and capstone backends, though the LLVM backend is left out due to
> compatibility issues encountered during the build. Currently, which gcc
> di
On Wed, 3 Apr 2024 10:52:10 GMT, Alan Bateman wrote:
> This is a test-only addition to add a test for virtual threads invoking a
> synchronized native method and invoking a native method that enter/exits a
> monitor with JNI MonitorEnter/MonitorExit. The test has been in the loom repo
> for so
On Tue, 20 Aug 2024 12:39:14 GMT, Shaojin Wen wrote:
>> The current implementation of ofDescriptor puts return type and parameter
>> types together in an ArrayList, and then splits them into return type and
>> array of parameter types. This ArrayList creation is unnecessary,
>> considering mos
On Thu, 30 May 2024 12:50:36 GMT, Claes Redestad wrote:
> Extracting duplicate method references to static field reduce proxy class
> spinning and loading. In this case 2 less classes loaded when using
> `findAny()` on each type of stream.
This pull request has been closed without being integr
On Sun, 25 Aug 2024 21:40:14 GMT, Shaojin Wen wrote:
>> optimize the construction of MethodType and MethodTypeDesc to reduce memory
>> allocate
>
> Shaojin Wen has updated the pull request incrementally with one additional
> commit since the last revision:
>
> use MethodTypeDescImpl.ofValida
On Mon, 1 Jul 2024 21:48:44 GMT, Chen Liang wrote:
> `Method.invoke` and `Constructor.newInstance` wraps `Error` in
> `InvocationTargetException`, which is bug-prone for users. Worse, this is
> only ambiguously mentioned in the API specification.
>
> This patch proposes to explicitly mention t
On Sat, 27 Jul 2024 13:45:11 GMT, Shaojin Wen wrote:
> Similar to PR #20321, this improves performance by providing a method that
> passes in a StringBuilder to avoid unnecessary object allocation.
@wenshao
Your change (at version 9d7cc54c449d4e12d0eb30c103e8aa3aaf206b6d) is now ready
to be s
On Wed, 28 Aug 2024 13:12:35 GMT, Shaojin Wen wrote:
> A small optimization to improve the performance of
> jdk.internal.classfile.impl.Util#slotSize/isDoubleSlot
@wenshao
Your change (at version 3c58fab74c9f78b7f3008c4f6fa32a7aab79f053) is now ready
to be sponsored by a Committer.
-
On Wed, 28 Aug 2024 13:16:03 GMT, Shaojin Wen wrote:
> A small optimization makes BufWriterImpl's writeU1/U2/Int/Long methods more
> C2-friendly and improves performance.
@wenshao
Your change (at version cd1140c1782255a5a1fcaaac89a37d21bf32582b) is now ready
to be sponsored by a Committer.
-
On Fri, 17 May 2024 12:01:23 GMT, Chen Liang wrote:
> Core reflection's generic signature parsing uses an ancient library with
> outdated visitor pattern on a tree model and contains unnecessary
> boilerplates. This is a duplication of ClassFile API's signature model. We
> should just move to
On Mon, 2 Sep 2024 14:50:33 GMT, Shaojin Wen wrote:
>> BytecodeHelpers' loadOpcode and storeOpcode are large methods with code size
>> greater than 325, break it into multiple small methods and call them
>> directly in DirectCodeBuilder
>
> Shaojin Wen has updated the pull request incrementally
On Mon, 29 Aug 2022 08:55:06 GMT, Aleksey Shipilev wrote:
> `jmod`/`jlink` are executed during build time to produce the `jmod` and the
> base modules image. On slow hardware (Raspberry Pi -class, for example)
> and/or slow VMs (debug, interpreter-only, for example) this takes a while.
> Profi
On Fri, 5 Aug 2022 16:12:08 GMT, Jan Lahoda wrote:
> The pattern matching switches are using a bootstrap method
> `SwitchBootstrap.typeSwitch` to implement the jumps in the switch. Basically,
> for a switch like:
>
> switch (obj) {
> case String s when s.isEmpty() -> {}
> case String s
On Tue, 5 Jul 2022 04:21:55 GMT, xpbob wrote:
> Container configuration information is useful for troubleshooting
> problems,Exposing information in MBeans is ideal for monitoring, jConsole,
> and other scenarios.
> Results the following
> . It is *not
> yet* intended for a final review.
>
> As proposed in JDK-
On Fri, 5 Aug 2022 02:15:21 GMT, Ichiroh Takiguchi
wrote:
> To support Windows command prompt's codepage, following charsets should be
> moved from jdk.charsets module to java.base module.
>
> - IBM860
> - IBM861
> - IBM863
> - IBM864
> - IBM865
> - IBM869
This pull request has been closed wi
On Tue, 10 May 2022 12:29:10 GMT, Severin Gehwolf wrote:
> Please review this change to the cgroup v1 subsystem which makes it more
> resilient on some of the stranger systems. Unfortunately, I wasn't able to
> re-create a similar system as the reporter. The idea of using the longest
> substri
On Fri, 16 Sep 2022 07:35:03 GMT, Leslie Zhai wrote:
> Hi,
>
> @dumasun reported the issue:
>
> Configured with jfx-ls-modular-sdk:
>
>
> configure --with-import-modules=modular-sdk
>
>
> `make run-test CONF=fastdebug TEST="tools/launcher/FXLauncherTest.java"`
> failed:
>
>
> --S
On Thu, 25 Aug 2022 17:14:20 GMT, Sergey Tsypanov wrote:
> Currently some operations of RandomAccessFile are implemented with multiple
> read() invocations:
>
> public final int readInt() throws IOException {
> int ch1 = this.read();
> int ch2 = this.read();
> int ch3 = this.read();
On Wed, 28 Sep 2022 15:36:50 GMT, Viktor Klang wrote:
> This JavaDoc change attempts to shine some light on the `combiner`-function
> as it relates to the third variant of `Stream.reduce` since it according to
> the bug submission in JBS can be confusing that the `combiner` is not
> mentioned
On Wed, 6 Jul 2022 14:05:39 GMT, Ichiroh Takiguchi
wrote:
> OpenJDK supports "Japanese EBCDIC - Katakana" and "Korean EBCDIC" SBCS and
> DBCS Only charsets.
> |Charset|Mix|SBCS|DBCS|
> | -- | -- | -- | -- |
> | Japanese EBCDIC - Katakana | Cp930 | Cp290 | Cp300 |
> | Korean | Cp933 | Cp833 | Cp
On Wed, 17 Aug 2022 11:23:57 GMT, Sergey Tsypanov wrote:
> We can use `Comparator.naturalOrder()` for cases when a `TreeMap` instance is
> constructed without comparator. This allows to squash two branches in
> `TreeMap.get()` into one.
>
> P.S. I think the comment of `TreeMap.getEntryUsingCom
On Mon, 28 Nov 2022 03:23:01 GMT, Justin King wrote:
> Fix memory leaks by making `AddOption` unconditionally duplicate passed in
> strings, taking ownership. Callers using dynamic memory free their storage
> after calling `AddOption`. This ensures no memory is dropped on the floor.
> This als
On Thu, 10 Nov 2022 01:10:13 GMT, Jonathan Gibbons wrote:
> Please review a "somewhat automated" change to insert `@spec` tags into doc
> comments, as appropriate, to leverage the recent new javadoc feature to
> generate a new page listing the references to all external specifications
> listed
On Thu, 4 Aug 2022 16:26:19 GMT, Julian Waters wrote:
> Please review a small patch for dumping the failure reason when the MSVCRT
> libraries or the Java Virtual Machine fails to load on Windows, which can
> provide invaluable insight when debugging related launcher issues.
>
> See https://bu
On Tue, 29 Nov 2022 00:56:58 GMT, Brian Burkhalter wrote:
> `java.io.InputStream::transferTo` could conceivably return a negative value
> if the count of bytes transferred overflows a `long`. Modify the method to
> limit the number of bytes transferred to `Long.MAX_VALUE` per invocation.
This
On Thu, 14 Apr 2022 01:40:50 GMT, Brian Burkhalter wrote:
> Modify native multi-byte read-write code used by the `java.io` classes to
> limit the size of the allocated native buffer thereby decreasing off-heap
> memory footprint and increasing throughput.
This pull request has been closed with
On Tue, 13 Dec 2022 09:32:11 GMT, Dmitry Samersoff
wrote:
> Move "unix" java_md.c cleanup, which is the prerequisites for the fix for
> JDK-8293806 (PR https://github.com/openjdk/jdk/pull/11538), to a separate PR.
>
> @AlanBateman, @dholmes-ora please, take a look to the changes.
This pull re
On Fri, 21 Oct 2022 21:45:30 GMT, Bill Huang wrote:
> The current non local registry tests require a manual process that runs
> rmiregitrty on a different machine and changes the -Dregistry.host property
> in the source before running the tests on the local machine. This task is
> created to i
On Sat, 10 Dec 2022 18:11:30 GMT, Victor Toni wrote:
> Being able to compare instances of Throwable allows simple detection of
> exceptions raised by the same circumstances. Comparison allows for reduction
> of excessive logging e.g. in hotspots without requiring custom code to
> compare Throw
On Sun, 29 Jan 2023 15:37:28 GMT, Glavo wrote:
> When the default Locale is `tr`, the jmod and jimage commands have the
> following problems:
>
> * The jmod command does not correctly recognize the `list` mode typed in
> lowercase;
> * The jimage command cannot obtain the help information of t
On Fri, 3 Feb 2023 19:49:44 GMT, Justin King wrote:
> Avoid using `lseek` + `read` in favor of `pread`. For Windows, we can do the
> same thing by using `OVERLAPPED`, as we are in synchronous mode we can use
> `Offset` and `OffsetHigh` to achieve the same thing.
>
> Additionally I updated open
On Sun, 22 Jan 2023 09:18:37 GMT, Ichiroh Takiguchi
wrote:
> On jdk17, following testcase works fine on Linux platform.
>
> Testcase
>
> $ cat cstest1.java
> import java.nio.charset.*;
>
> public class cstest1 {
> public static void main(String[] args) throws Exception {
> Charset cs =
On Fri, 2 Dec 2022 16:40:51 GMT, Magnus Ihse Bursie wrote:
> According to [the
> specification](https://docs.oracle.com/en/java/javase/19/docs/api/java.base/java/util/Properties.html#load(java.io.Reader))
> trailing whitespaces in the values of properties files are (somewhat
> surprisingly) ac
On Mon, 13 Feb 2023 09:55:52 GMT, Evgeny Nikitin wrote:
> Please review a set of improvements that should improve working with other
> fuzzing generators and usage of JitTesterDriver with tests generated not by
> the JITTester:
>
> - Provide better separation of individual test generation from
On Sat, 28 Jan 2023 23:58:28 GMT, Tingjun Yuan wrote:
> Adding the following methods to check the nullity of elements of an array or
> a collection:
>
>
> java.util.Arrays:
> public static E[] requireNoNulls(E[] array)
> public static E[] requireNoNulls(E[] array, String message)
> public st
On Thu, 9 Mar 2023 12:06:52 GMT, Eirik Bjorsnos wrote:
> This PR suggests we use a sparse file when the Zip64SizeTest writes a ZIP
> file with a 5GB entry.
>
> The size requirement of this test is known to cause problems in some builds,
> see [JDK-8259866](https://bugs.openjdk.org/browse/JDK-8
On Sat, 18 Feb 2023 18:22:49 GMT, Eirik Bjorsnos wrote:
> This PR continues the efforts from #12632 to speed up case-insensitive string
> matching.
>
> We now tackle case-insensitive comparison of mixed-coder strings, implemented
> in `StringLatin1.regionMatchesCI_UTF16`
>
> Key insights:
>
On Thu, 26 Jan 2023 06:46:16 GMT, Glavo wrote:
> I checked the `java.base` module, and all the `Collection#toArray()` method
> of collections be implemented correctly.
>
> Their return values can be trusted, so many unnecessary array duplication can
> be eliminated.
This pull request has been
On Wed, 24 Nov 2021 05:16:40 GMT, liach wrote:
> Might need a CSR as now `computeIfAbsent` `computeIfPresent` `compute`
> `merge` would throw CME if the functions modified the map itself, and there
> are corresponding specification changes.
This pull request has been closed without being integ
On Thu, 5 May 2022 10:11:05 GMT, Raffaello Giulietti wrote:
> Add a family of "safe" cast methods.
This pull request has been closed without being integrated.
-
PR: https://git.openjdk.org/jdk/pull/8548
On Fri, 8 Oct 2021 21:19:36 GMT, XenoAmess wrote:
> @jmehrens what about this then?
> I think it safe now(actually this mechanism is learned from Reader)
This pull request has been closed without being integrated.
-
PR: https://git.openjdk.org/jdk/pull/5872
On Mon, 23 May 2022 08:49:27 GMT, Christian Stein wrote:
> This commit adds an API note to ToolProvider about being reusable/reentrant.
This pull request has been closed without being integrated.
-
PR: https://git.openjdk.org/jdk/pull/8833
On Fri, 4 Mar 2022 15:54:14 GMT, Ludovic Henry wrote:
> Despite the hash value being cached for Strings, computing the hash still
> represents a significant CPU usage for applications handling lots of text.
>
> Even though it would be generally better to do it through an enhancement to
> the a
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