On Sun, 15 Oct 2023 07:40:06 GMT, himichael wrote:
> sing a physical machine, I am using a virtual machine, this virtual machine
> supports the AVX512 instruction set.
> How do I open libsimdsort ?
@himichael Did you ever resolve your issue? I am using JDK22 from SDKMan and
have the same
On Thu, 5 Oct 2023 23:36:48 GMT, Srinivas Vamsi Parasa wrote:
>> The goal is to develop faster sort routines for x86_64 CPUs by taking
>> advantage of AVX512 instructions. This enhancement provides an order of
>> magnitude speedup for Arrays.sort() using int, long, float and double arrays.
>>
On Sat, 14 Oct 2023 03:21:52 GMT, himichael wrote:
>>> my question is that this feature should improve performance several times,
>>> but it doesn't look like there's much difference between open jdk 22.19 and
>>> jdk 8. is there a problem with my configuration ?
>>
>> Hello @himichael,
>>
On Sat, 14 Oct 2023 03:21:52 GMT, himichael wrote:
>>> my question is that this feature should improve performance several times,
>>> but it doesn't look like there's much difference between open jdk 22.19 and
>>> jdk 8. is there a problem with my configuration ?
>>
>> Hello @himichael,
>>
On Sat, 14 Oct 2023 03:21:52 GMT, himichael wrote:
>>> my question is that this feature should improve performance several times,
>>> but it doesn't look like there's much difference between open jdk 22.19 and
>>> jdk 8. is there a problem with my configuration ?
>>
>> Hello @himichael,
>>
On Fri, 13 Oct 2023 23:59:55 GMT, Srinivas Vamsi Parasa
wrote:
> > my question is that this feature should improve performance several times,
> > but it doesn't look like there's much difference between open jdk 22.19 and
> > jdk 8. is there a problem with my configuration ?
>
> Hello
On Fri, 13 Oct 2023 10:31:14 GMT, himichael wrote:
> my question is that this feature should improve performance several times,
> but it doesn't look like there's much difference between open jdk 22.19 and
> jdk 8. is there a problem with my configuration ?
Hello @himichael,
Using your code
On Fri, 13 Oct 2023 10:31:14 GMT, himichael wrote:
>> @himichael Please refer to [this
>> question](https://stackoverflow.com/questions/504103/how-do-i-write-a-correct-micro-benchmark-in-java)
>> for how to correctly benchmark Java code.
>
>> @himichael Please refer to [this
>>
On Fri, 13 Oct 2023 08:17:58 GMT, Quan Anh Mai wrote:
> @himichael Please refer to [this
> question](https://stackoverflow.com/questions/504103/how-do-i-write-a-correct-micro-benchmark-in-java)
> for how to correctly benchmark Java code.
thanks for your reply, but I think this has nothing
On Fri, 13 Oct 2023 07:02:18 GMT, himichael wrote:
>> Srinivas Vamsi Parasa has updated the pull request with a new target base
>> due to a merge or a rebase. The pull request now contains 45 commits:
>>
>> - fix code style and formatting
>> - Merge branch 'master' of
On Thu, 5 Oct 2023 23:36:48 GMT, Srinivas Vamsi Parasa wrote:
>> The goal is to develop faster sort routines for x86_64 CPUs by taking
>> advantage of AVX512 instructions. This enhancement provides an order of
>> magnitude speedup for Arrays.sort() using int, long, float and double arrays.
>>
On Wed, 11 Oct 2023 23:38:05 GMT, Sandhya Viswanathan
wrote:
>> Also, for on-heap case the fallback implementation is equivalent to
>> intrinsified case only when offset points at the 0th element of the array.
>
> @iwanowww Yes, you are late to the party :). The fallback implementation
>
On Wed, 11 Oct 2023 23:25:30 GMT, Vladimir Ivanov wrote:
>> src/java.base/share/classes/java/util/DualPivotQuicksort.java line 157:
>>
>>> 155: @ForceInline
>>> 156: private static void sort(Class elemType, A array, long
>>> offset, int low, int high, SortOperation so) {
>>> 157:
On Wed, 11 Oct 2023 23:25:22 GMT, Vladimir Ivanov wrote:
>> Srinivas Vamsi Parasa has updated the pull request with a new target base
>> due to a merge or a rebase. The pull request now contains 45 commits:
>>
>> - fix code style and formatting
>> - Merge branch 'master' of
On Thu, 5 Oct 2023 23:36:48 GMT, Srinivas Vamsi Parasa wrote:
>> The goal is to develop faster sort routines for x86_64 CPUs by taking
>> advantage of AVX512 instructions. This enhancement provides an order of
>> magnitude speedup for Arrays.sort() using int, long, float and double arrays.
>>
On Mon, 9 Oct 2023 18:15:12 GMT, Paul Sandoz wrote:
> > _Mailing list message from [Florian Weimer](mailto:f...@deneb.enyo.de) on
> > [hotspot-runtime-dev](mailto:hotspot-runtime-...@mail.openjdk.org):_
> > I believe this has introduced a build failure with GCC 12.2 on Debian 12.1:
>
> I
On Sun, 8 Oct 2023 06:18:13 GMT, Danny Thomas wrote:
> A [discussion on
> Reddit](https://www.reddit.com/r/java/comments/171t5sj/heads_up_openjdk_implementation_of_avx512_based/)
> raised that this had the potential to regress sort performance on AMD Zen 4.
> The poster didn't have access to
On Thu, 5 Oct 2023 23:36:48 GMT, Srinivas Vamsi Parasa wrote:
>> The goal is to develop faster sort routines for x86_64 CPUs by taking
>> advantage of AVX512 instructions. This enhancement provides an order of
>> magnitude speedup for Arrays.sort() using int, long, float and double arrays.
>>
On Thu, 5 Oct 2023 23:36:48 GMT, Srinivas Vamsi Parasa wrote:
>> The goal is to develop faster sort routines for x86_64 CPUs by taking
>> advantage of AVX512 instructions. This enhancement provides an order of
>> magnitude speedup for Arrays.sort() using int, long, float and double arrays.
>>
On Sun, 8 Oct 2023 06:18:13 GMT, Danny Thomas wrote:
>> Srinivas Vamsi Parasa has updated the pull request with a new target base
>> due to a merge or a rebase. The pull request now contains 45 commits:
>>
>> - fix code style and formatting
>> - Merge branch 'master' of
On Thu, 5 Oct 2023 23:36:48 GMT, Srinivas Vamsi Parasa wrote:
>> The goal is to develop faster sort routines for x86_64 CPUs by taking
>> advantage of AVX512 instructions. This enhancement provides an order of
>> magnitude speedup for Arrays.sort() using int, long, float and double arrays.
>>
On Fri, 6 Oct 2023 18:45:59 GMT, Srinivas Vamsi Parasa wrote:
>> My tier1-7 testing passed. Good.
>
>> My tier1-7 testing passed. Good.
>
> Thank you, Vladimir!
@vamsi-parasa
Please disrard my request to change high -> end. I find out a way to update
Java code only.
I updated my previous
On Fri, 6 Oct 2023 18:45:59 GMT, Srinivas Vamsi Parasa wrote:
>> My tier1-7 testing passed. Good.
>
>> My tier1-7 testing passed. Good.
>
> Thank you, Vladimir!
Hi @vamsi-parasa,
If DualPivotQuicksort.java is updated, can you improve `partitionDualPivot` and
`partitionSinglePivot` methods a
On Thu, 5 Oct 2023 23:36:48 GMT, Srinivas Vamsi Parasa wrote:
>> The goal is to develop faster sort routines for x86_64 CPUs by taking
>> advantage of AVX512 instructions. This enhancement provides an order of
>> magnitude speedup for Arrays.sort() using int, long, float and double arrays.
>>
On Fri, 6 Oct 2023 18:45:59 GMT, Srinivas Vamsi Parasa wrote:
>> My tier1-7 testing passed. Good.
>
>> My tier1-7 testing passed. Good.
>
> Thank you, Vladimir!
Hi @vamsi-parasa,
May be too late but there is one question. We have 2 new methods
`private static void sort(Class elemType, A
On Fri, 6 Oct 2023 18:28:21 GMT, Vladimir Kozlov wrote:
> My tier1-7 testing passed. Good.
Thank you, Vladimir!
-
PR Comment: https://git.openjdk.org/jdk/pull/14227#issuecomment-1751254526
On Thu, 5 Oct 2023 23:36:48 GMT, Srinivas Vamsi Parasa wrote:
>> The goal is to develop faster sort routines for x86_64 CPUs by taking
>> advantage of AVX512 instructions. This enhancement provides an order of
>> magnitude speedup for Arrays.sort() using int, long, float and double arrays.
>>
> The goal is to develop faster sort routines for x86_64 CPUs by taking
> advantage of AVX512 instructions. This enhancement provides an order of
> magnitude speedup for Arrays.sort() using int, long, float and double arrays.
>
> This PR shows upto ~7x improvement for 32-bit datatypes (int,
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