On Tue, 10 May 2022 14:46:56 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
On Tue, 10 May 2022 09:07:44 GMT, Adam Sotona wrote:
>> Please review this patch adding new lint option, **lossy-conversions**, to
>> javac to warn about type casts in compound assignments with possible lossy
>> conversions.
>>
>> The new lint warning is shown if the type of the right-hand
On Thu, 5 May 2022 02:09:39 GMT, Xiaohong Gong wrote:
>> Currently the vectorization of masked vector store is implemented by the
>> masked store instruction only on architectures that support the predicate
>> feature. The compiler will fall back to the java scalar code for
>> non-predicate
On Tue, 26 Apr 2022 20:47:39 GMT, Claes Redestad wrote:
>> The `MethodType.genericMethodType` methods provide convenience methods for
>> certain common method types and also provide `@Stable` cache that allows for
>> constant folding. This patch enhances the more generic `methodType` methods
On Tue, 5 Apr 2022 22:05:19 GMT, Paul Sandoz wrote:
> Add support to compress bits and expand bits of `int` and `long` values, see
> Hacker's Delight (2nd edition), section 7.4.
>
> Compressing or expanding bits of an `int` or `long` value can be composed to
> enable general permutations, and
On Tue, 8 Mar 2022 15:59:59 GMT, Maurizio Cimadamore
wrote:
>> We propose to provide a runtime anonymous carrier class object generator;
>> java.lang.runtime.Carrier. This generator class is designed to share
>> anonymous classes when shapes are similar. For example, if several clients
>>
On Sat, 19 Feb 2022 05:51:52 GMT, Quan Anh Mai wrote:
> Hi,
>
> `Objects.requireNonNull` may fail to be inlined. The call is expensive and
> may lead to objects escaping to the heap while the null check is cheap and is
> often elided. I have observed this when using the vector API when a call
On Mon, 14 Feb 2022 18:10:37 GMT, Alan Bateman wrote:
>> `MethodHandles::publicLookup` can be called instead to get a public Lookup
>> to invoke a method with a Lookup parameter. The dilemma here is whether
>> the API should be made null-caller friendly or using a proper API
>>
On Fri, 11 Feb 2022 20:32:46 GMT, Tim Prinzing wrote:
> JDK-8281003 - MethodHandles::lookup throws NPE if caller is null
Marked as reviewed by jrose (Reviewer).
-
PR: https://git.openjdk.java.net/jdk/pull/7447
On Wed, 9 Feb 2022 21:36:01 GMT, Paul Sandoz wrote:
> …ArgumentExcept on zero vectors
>
> This PR fixes issues for reduction using FIRST_NONZERO and adds tests. The
> testing infrastructure is generalized to reduction functions and tests for
> min/max reductions are updated to use that.
On Wed, 9 Feb 2022 21:36:01 GMT, Paul Sandoz wrote:
> …ArgumentExcept on zero vectors
>
> This PR fixes issues for reduction using FIRST_NONZERO and adds tests. The
> testing infrastructure is generalized to reduction functions and tests for
> min/max reductions are updated to use that.
Wow
On Mon, 13 Sep 2021 11:22:27 GMT, Pavel Rappo wrote:
>> 8273616: Fix trivial doc typos in the java.base module
>
> Pavel Rappo has updated the pull request incrementally with one additional
> commit since the last revision:
>
> Use "ensure" instead of "insure"
Marked as reviewed by jrose
On Fri, 10 Sep 2021 21:16:19 GMT, Pavel Rappo wrote:
> 8273616: Fix trivial doc typos in the java.base module
Approved, except for two changes commented above: the original "it need only
force" is correct usage, and "it needs only force" is not good usage, but "it
only needs to force" would
On Fri, 4 Jun 2021 01:04:39 GMT, Joe Darcy wrote:
> With the right baseline this time, as noticed by John Rose, after JEP 306
> removing non-strict floating-point was integrated, a few stale references
> were left to "strictfp" and "value sets" in core library comments. This
> changeset
On Thu, 1 Apr 2021 13:25:05 GMT, Jorn Vernee wrote:
> This patch speeds up MethodHandle.asCollector handles where the array type is
> not Object[], as well as speeding up all collectors where the arity is
> greater than 10.
>
> The old code is creating a collector handle by combining a set of
On Mon, 26 Oct 2020 17:29:11 GMT, Jorn Vernee wrote:
> …`dropReturn` seemed like a good choice since we already have
> `dropArguments`. WRT changing to `MethodHandle::changeReturnType`...
That's a very reasonable point. People might look for `dropRT` after they find
`dropAs`. And `MHs` is
On Mon, 26 Oct 2020 15:45:00 GMT, Claes Redestad wrote:
>> Jorn Vernee has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> Collapse lform get and update into single line
>>
>> Co-authored-by: Claes Redestad
>
> LGTM, pending CSR.
>
>
Changeset: 9fcb07df1c92
Author:vlivanov
Date: 2013-11-09 04:21 +0400
URL: http://hg.openjdk.java.net/jdk8/tl/jdk/rev/9fcb07df1c92
8027823: catchException combinator fails with 9 argument target
Reviewed-by: jrose
! src/share/classes/java/lang/invoke/MethodHandleImpl.java
+
Changeset: adcc01f5bc93
Author:jrose
Date: 2013-11-02 20:08 -0700
URL: http://hg.openjdk.java.net/jdk8/tl/jdk/rev/adcc01f5bc93
8024635: Caching MethodType's descriptor string improves lambda linkage
performance
Summary: Better interpreted and compiled performance of operations in
Changeset: 44da760eed4b
Author:jrose
Date: 2013-10-05 05:30 -0700
URL: http://hg.openjdk.java.net/jdk8/tl/jdk/rev/44da760eed4b
8024761: JSR 292 improve performance of generic invocation
Summary: use a per-MH one element cache for MH.asType to speed up MH.invoke;
also cache enough
Changeset: d90928a89af5
Author:drchase
Date: 2013-09-27 13:32 -0400
URL: http://hg.openjdk.java.net/jdk8/tl/jdk/rev/d90928a89af5
8022701: Accessibility checking: InvocationTargetException is thrown instead of
IllegalAccessError
Summary: Inserted code to convert specific
Changeset: d3ead6731a91
Author:jrose
Date: 2010-09-01 03:19 -0700
URL: http://hg.openjdk.java.net/jdk7/tl/langtools/rev/d3ead6731a91
6979683: inconsistent interaction of reference cast with box/unbox conversions
leaves out a useful case
Summary: Allow casts which narrow and then
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