On Wed, 5 Mar 2025 15:13:06 GMT, Viktor Klang wrote:
>> Doug Lea has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> Reduce volatile reads
>
> src/java.base/share/classes/java/util/concurrent/ForkJoinPool.java line 3741:
>
>> 3739: publ
On Thu, 20 Feb 2025 22:35:07 GMT, Sunmisc Unsafe wrote:
>> (Copied from https://bugs.openjdk.org/browse/JDK-8319447)
>>
>> The problems addressed by this CR/PR are that ScheduledThreadPoolExecutor is
>> both ill-suited for many (if not most) of its applications,
On Wed, 19 Feb 2025 16:07:56 GMT, Doug Lea wrote:
> (Copied from https://bugs.openjdk.org/browse/JDK-8319447)
>
> The problems addressed by this CR/PR are that ScheduledThreadPoolExecutor is
> both ill-suited for many (if not most) of its applications, and is a
> performance bottleneck (as see
On Sat, 8 Jun 2024 06:40:39 GMT, Shaojin Wen wrote:
>> After PR #16245, C2 optimizes stores into primitive arrays by combining
>> values into larger stores. In the UUID.toString method,
>> ByteArrayLittleEndian can be removed, making the code more elegant and
>> faster.
>
> Shaojin Wen has u
On Thu, 16 May 2024 10:29:48 GMT, Sunmisc Unsafe wrote:
>> Doug Lea has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> Address review comments
>
> Maybe I don't quite understand, or I don't hav
On Sun, 12 May 2024 13:05:48 GMT, Doug Lea wrote:
>> The goal is to reduce the worst form of contention: when queue arrays are
>> laid out adjacently in memory. Increasing sizes has some impact but with
>> diminishing returns. Thanks for the comment as a reminder that I haven't
>> rechecked th
On Sun, 12 May 2024 13:12:24 GMT, Doug Lea wrote:
>> This set of changes address causes of poor utilization with small numbers of
>> cores due to overly aggressive contention avoidance. A number of further
>> adjustments were needed to still avoid most contention effects in
>> deployments with
