> 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 Sat, 23 Mar 2024 02:16:57 GMT, Scott Gibbons wrote:
>> 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:
>>
>>
>> Benchmark
On Sat, 23 Mar 2024 09:57:49 GMT, Francesco Nigro wrote:
>> Scott Gibbons has updated the pull request with a new target base due to a
>> merge or a rebase. The pull request now contains 46 commits:
>>
>> - Merge branch 'openjdk:master' into indexof
>> - Cleaned up, ready for review
>> - Pre
On Sat, 23 Mar 2024 02:16:57 GMT, Scott Gibbons wrote:
>> 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:
>>
>>
>> Benchmark
> 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 Thu, 22 Feb 2024 03:15:10 GMT, Scott Gibbons wrote:
>> 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:
>>
>>
>> Benchmark
On Wed, 21 Feb 2024 15:51:21 GMT, Scott Gibbons wrote:
>> Hi @asgibbons ,
>>
>> I am getting following error with slowdebug build on Meteor Lake system.
>>
>>
>> ERROR: Build failed for target 'images' in configuration
>> 'linux-x86_64-server-slowdebug' (exit code 2)
>>
>> === Output from f
On Thu, 22 Feb 2024 03:15:10 GMT, Scott Gibbons wrote:
>> 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:
>>
>>
>> Benchmark
> 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
> 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 Tue, 20 Feb 2024 09:49:23 GMT, Jatin Bhateja wrote:
>> Thank you all for the reviews. I have been asked to simplify this code to
>> facilitate easier review, and to remove the gcc library code I used for
>> memcmp. We also discovered that special-casing up to 31 bytes of needle was
>> not
On Wed, 14 Feb 2024 14:31:03 GMT, Scott Gibbons wrote:
>> Scott Gibbons has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> Remove gcc lib fn; reduce spacial cases to 10 from 32
>
> Thank you all for the reviews. I have been asked to simpli
> 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
> 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
> 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 Wed, 14 Feb 2024 00:48:18 GMT, Scott Gibbons wrote:
>> 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:
>>
>>
>> Benchmark
> 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 Mon, 22 Jan 2024 07:05:56 GMT, Jatin Bhateja wrote:
>> Scott Gibbons has updated the pull request with a new target base due to a
>> merge or a rebase. The pull request now contains 22 commits:
>>
>> - Merge branch 'openjdk:master' into indexof
>> - Merge branch 'openjdk:master' into index
On Thu, 11 Jan 2024 23:06:32 GMT, Scott Gibbons wrote:
>> 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:
>>
>>
>> Benchmark
On Tue, 16 Jan 2024 23:51:15 GMT, Scott Gibbons wrote:
>> src/hotspot/cpu/x86/stubGenerator_x86_64.cpp line 4111:
>>
>>> 4109: if ((UseAVX == 2) && EnableX86ECoreOpts &&
>>> VM_Version::supports_avx2()) {
>>> 4110: StubRoutines::_string_indexof = generate_string_indexof();
>>> 4111: }
>
On Tue, 16 Jan 2024 22:27:52 GMT, Vladimir Kozlov wrote:
>> Scott Gibbons has updated the pull request with a new target base due to a
>> merge or a rebase. The pull request now contains 22 commits:
>>
>> - Merge branch 'openjdk:master' into indexof
>> - Merge branch 'openjdk:master' into ind
On Thu, 11 Jan 2024 23:06:32 GMT, Scott Gibbons wrote:
>> 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:
>>
>>
>> Benchmark
On Thu, 11 Jan 2024 23:06:32 GMT, Scott Gibbons wrote:
>> 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:
>>
>>
>> Benchmark
On Thu, 11 Jan 2024 23:06:32 GMT, Scott Gibbons wrote:
>> 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:
>>
>>
>> Benchmark
On Thu, 11 Jan 2024 23:06:32 GMT, Scott Gibbons wrote:
>> 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:
>>
>>
>> Benchmark
On Thu, 11 Jan 2024 23:06:32 GMT, Scott Gibbons wrote:
>> 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:
>>
>>
>> Benchmark
On Thu, 11 Jan 2024 23:06:32 GMT, Scott Gibbons wrote:
>> 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:
>>
>>
>> Benchmark
On Thu, 11 Jan 2024 23:06:32 GMT, Scott Gibbons wrote:
>> 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:
>>
>>
>> Benchmark
On Thu, 11 Jan 2024 23:06:32 GMT, Scott Gibbons wrote:
>> 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:
>>
>>
>> Benchmark
On Thu, 11 Jan 2024 23:06:32 GMT, Scott Gibbons wrote:
>> 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:
>>
>>
>> Benchmark
> 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 Thu, 21 Dec 2023 15:21:08 GMT, Scott Gibbons wrote:
>> 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:
>>
>>
>> Benchmark
On Mon, 8 Jan 2024 20:48:39 GMT, Scott Gibbons wrote:
>> 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:
>>
>>
>> Benchmark
> 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
> 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 Wed, 29 Nov 2023 15:01:32 GMT, Scott Gibbons wrote:
>> 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:
>>
>>
>> Benchmark
On Tue, 19 Dec 2023 18:42:19 GMT, Scott Gibbons wrote:
>> 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:
>>
>>
>> Benchmark
> 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
> 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 Wed, 29 Nov 2023 15:01:32 GMT, Scott Gibbons wrote:
>> 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:
>>
>>
>> Benchmark
> 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 Tue, 21 Nov 2023 00:06:19 GMT, Scott Gibbons wrote:
> 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:
>
>
> Benchmark
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