On Tue, 14 Feb 2023 18:22:32 GMT, Scott Gibbons wrote:
>> Added code for Base64 acceleration (encode and decode) which will accelerate
>> ~4x for AVX2 platforms.
>>
>> Encode performance:
>> **Old:**
>>
>> Benchmark (maxNumBytes) Mode Cnt Score Error
>> Units
On Tue, 14 Feb 2023 22:41:47 GMT, Claes Redestad wrote:
>> Scott Gibbons has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> Last of review comments
>
> I've started tier1-5 testing internally. Will let you know if we find any
> issues.
On Tue, 14 Feb 2023 18:22:32 GMT, Scott Gibbons wrote:
>> Added code for Base64 acceleration (encode and decode) which will accelerate
>> ~4x for AVX2 platforms.
>>
>> Encode performance:
>> **Old:**
>>
>> Benchmark (maxNumBytes) Mode Cnt Score Error
>> Units
On Tue, 14 Feb 2023 18:22:32 GMT, Scott Gibbons wrote:
>> Added code for Base64 acceleration (encode and decode) which will accelerate
>> ~4x for AVX2 platforms.
>>
>> Encode performance:
>> **Old:**
>>
>> Benchmark (maxNumBytes) Mode Cnt Score Error
>> Units
> Added code for Base64 acceleration (encode and decode) which will accelerate
> ~4x for AVX2 platforms.
>
> Encode performance:
> **Old:**
>
> Benchmark (maxNumBytes) Mode Cnt Score Error
> Units
> Base64Encode.testBase64Encode 1024 thrpt3
On Tue, 14 Feb 2023 15:19:34 GMT, Claes Redestad wrote:
>> Why? There is no performance difference and the intent is clear. Is this
>> just a "style" thing?
>
> I think with `lessEqual` we'll jump to `L_tailProc` for the final 32-byte
> chunk in inputs that are divisible by 32 (starting from
On Tue, 14 Feb 2023 15:03:49 GMT, Scott Gibbons wrote:
>> src/hotspot/cpu/x86/stubGenerator_x86_64.cpp line 2658:
>>
>>> 2656: // Check for buffer too small (for algorithm)
>>> 2657: __ subl(length, 0x2c);
>>> 2658: __ jcc(Assembler::lessEqual, L_tailProc);
>>
>> This could be
On Tue, 14 Feb 2023 15:03:50 GMT, Scott Gibbons wrote:
>> src/hotspot/cpu/x86/stubGenerator_x86_64.cpp line 2699:
>>
>>> 2697: __ addptr(dest, 0x18);
>>> 2698: __ subl(length, 0x20);
>>> 2699: __ jcc(Assembler::lessEqual, L_tailProc);
>>
>> This could be Assembler::less instead of
On Tue, 14 Feb 2023 01:48:37 GMT, Sandhya Viswanathan
wrote:
>> Scott Gibbons has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> Add URL to microbenchmark
>
> src/hotspot/cpu/x86/stubGenerator_x86_64.cpp line 2399:
>
>> 2397:
On Fri, 10 Feb 2023 23:18:47 GMT, Claes Redestad wrote:
>> Scott Gibbons has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> Add URL to microbenchmark
>
> Marked as reviewed by redestad (Reviewer).
> @cl4es Can you please initiate the
On Thu, 9 Feb 2023 18:08:15 GMT, Scott Gibbons wrote:
>> Added code for Base64 acceleration (encode and decode) which will accelerate
>> ~4x for AVX2 platforms.
>>
>> Encode performance:
>> **Old:**
>>
>> Benchmark (maxNumBytes) Mode Cnt Score Error
>> Units
On Fri, 10 Feb 2023 23:18:47 GMT, Claes Redestad wrote:
>> Scott Gibbons has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> Add URL to microbenchmark
>
> Marked as reviewed by redestad (Reviewer).
@cl4es Can you please initiate the
On Thu, 9 Feb 2023 18:08:15 GMT, Scott Gibbons wrote:
>> Added code for Base64 acceleration (encode and decode) which will accelerate
>> ~4x for AVX2 platforms.
>>
>> Encode performance:
>> **Old:**
>>
>> Benchmark (maxNumBytes) Mode Cnt Score Error
>> Units
On Thu, 9 Feb 2023 18:08:15 GMT, Scott Gibbons wrote:
>> Added code for Base64 acceleration (encode and decode) which will accelerate
>> ~4x for AVX2 platforms.
>>
>> Encode performance:
>> **Old:**
>>
>> Benchmark (maxNumBytes) Mode Cnt Score Error
>> Units
On Thu, 9 Feb 2023 18:08:15 GMT, Scott Gibbons wrote:
>> Added code for Base64 acceleration (encode and decode) which will accelerate
>> ~4x for AVX2 platforms.
>>
>> Encode performance:
>> **Old:**
>>
>> Benchmark (maxNumBytes) Mode Cnt Score Error
>> Units
> Added code for Base64 acceleration (encode and decode) which will accelerate
> ~4x for AVX2 platforms.
>
> Encode performance:
> **Old:**
>
> Benchmark (maxNumBytes) Mode Cnt Score Error
> Units
> Base64Encode.testBase64Encode 1024 thrpt3
> Added code for Base64 acceleration (encode and decode) which will accelerate
> ~4x for AVX2 platforms.
>
> Encode performance:
> **Old:**
>
> Benchmark (maxNumBytes) Mode Cnt Score Error
> Units
> Base64Encode.testBase64Encode 1024 thrpt3
On Tue, 7 Feb 2023 14:27:49 GMT, Scott Gibbons wrote:
> @sviswa7 Can you please share the test(s) you used to determine the stated
> failures? I've run all of the tier1-3 tests in the suite with no failures.
> Plus, if what you say is true, then the same logic would apply for the
> non-URL
> Added code for Base64 acceleration (encode and decode) which will accelerate
> ~4x for AVX2 platforms.
>
> Encode performance:
> **Old:**
>
> Benchmark (maxNumBytes) Mode Cnt Score Error
> Units
> Base64Encode.testBase64Encode 1024 thrpt3
> Added code for Base64 acceleration (encode and decode) which will accelerate
> ~4x for AVX2 platforms.
>
> Encode performance:
> **Old:**
>
> Benchmark (maxNumBytes) Mode Cnt Score Error
> Units
> Base64Encode.testBase64Encode 1024 thrpt3
On Tue, 7 Feb 2023 02:49:44 GMT, Sandhya Viswanathan
wrote:
>> Scott Gibbons has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> Add algorithm comments
>
> src/hotspot/cpu/x86/stubGenerator_x86_64.cpp line 2227:
>
>> 2225:
>> 2226: //
On Tue, 7 Feb 2023 00:12:21 GMT, Scott Gibbons wrote:
>> Added code for Base64 acceleration (encode and decode) which will accelerate
>> ~4x for AVX2 platforms.
>>
>> Encode performance:
>> **Old:**
>>
>> Benchmark (maxNumBytes) Mode Cnt Score Error
>> Units
On Tue, 7 Feb 2023 00:12:21 GMT, Scott Gibbons wrote:
>> Added code for Base64 acceleration (encode and decode) which will accelerate
>> ~4x for AVX2 platforms.
>>
>> Encode performance:
>> **Old:**
>>
>> Benchmark (maxNumBytes) Mode Cnt Score Error
>> Units
On Tue, 7 Feb 2023 00:12:21 GMT, Scott Gibbons wrote:
>> Added code for Base64 acceleration (encode and decode) which will accelerate
>> ~4x for AVX2 platforms.
>>
>> Encode performance:
>> **Old:**
>>
>> Benchmark (maxNumBytes) Mode Cnt Score Error
>> Units
> Added code for Base64 acceleration (encode and decode) which will accelerate
> ~4x for AVX2 platforms.
>
> Encode performance:
> **Old:**
>
> Benchmark (maxNumBytes) Mode Cnt Score Error
> Units
> Base64Encode.testBase64Encode 1024 thrpt3
> Added code for Base64 acceleration (encode and decode) which will accelerate
> ~4x for AVX2 platforms.
>
> Encode performance:
> **Old:**
>
> Benchmark (maxNumBytes) Mode Cnt Score Error
> Units
> Base64Encode.testBase64Encode 1024 thrpt3
> Added code for Base64 acceleration (encode and decode) which will accelerate
> ~4x for AVX2 platforms.
>
> Encode performance:
> **Old:**
>
> Benchmark (maxNumBytes) Mode Cnt Score Error
> Units
> Base64Encode.testBase64Encode 1024 thrpt3
On Wed, 1 Feb 2023 19:07:17 GMT, Scott Gibbons wrote:
>> Added code for Base64 acceleration (encode and decode) which will accelerate
>> ~4x for AVX2 platforms.
>>
>> Encode performance:
>> **Old:**
>>
>> Benchmark (maxNumBytes) Mode Cnt Score Error
>> Units
On Thu, 2 Feb 2023 15:33:29 GMT, Scott Gibbons wrote:
>> Names are important, but always hard to get right. At the very least they
>> need to be correct. Maybe call it something like
>> `..parameterized_decode_tables..` and the other `..shared_decode_tables..`?
>
> I prefer leaving them the
On Thu, 2 Feb 2023 00:34:32 GMT, Claes Redestad wrote:
>> These tables are used for both URL and non-URL based on the parameter, and
>> they are only two of the three lut tables used (the other is in
>> `base64_AVX2_decode_tables_addr` ). Both names are essentially incorrect.
>> Does the
On Wed, 1 Feb 2023 20:59:24 GMT, Scott Gibbons wrote:
>> src/hotspot/cpu/x86/stubGenerator_x86_64.cpp line 2202:
>>
>>> 2200: }
>>> 2201:
>>> 2202: address StubGenerator::base64_AVX2_decode_URL_tables_addr() {
>>
>> Shouldn't this be `decode_lut_tables`? As it's used for URL and non-URL
>>
On Fri, 27 Jan 2023 21:45:37 GMT, Claes Redestad wrote:
>> Scott Gibbons has updated the pull request with a new target base due to a
>> merge or a rebase. The incremental webrev excludes the unrelated changes
>> brought in by the merge/rebase. The pull request contains 13 additional
>>
On Wed, 1 Feb 2023 20:53:54 GMT, Claes Redestad wrote:
>> Scott Gibbons has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> Handle AVX2 URL; address review comments
>
> src/hotspot/cpu/x86/stubGenerator_x86_64.cpp line 2202:
>
>> 2200: }
On Wed, 1 Feb 2023 18:28:25 GMT, Scott Gibbons wrote:
>> Added code for Base64 acceleration (encode and decode) which will accelerate
>> ~4x for AVX2 platforms.
>>
>> Encode performance:
>> **Old:**
>>
>> Benchmark (maxNumBytes) Mode Cnt Score Error
>> Units
> Added code for Base64 acceleration (encode and decode) which will accelerate
> ~4x for AVX2 platforms.
>
> Encode performance:
> **Old:**
>
> Benchmark (maxNumBytes) Mode Cnt Score Error
> Units
> Base64Encode.testBase64Encode 1024 thrpt3
> Added code for Base64 acceleration (encode and decode) which will accelerate
> ~4x for AVX2 platforms.
>
> Encode performance:
> **Old:**
>
> Benchmark (maxNumBytes) Mode Cnt Score Error
> Units
> Base64Encode.testBase64Encode 1024 thrpt3
On Fri, 27 Jan 2023 21:36:29 GMT, Claes Redestad wrote:
>> Scott Gibbons has updated the pull request with a new target base due to a
>> merge or a rebase. The incremental webrev excludes the unrelated changes
>> brought in by the merge/rebase. The pull request contains 13 additional
>>
On Fri, 27 Jan 2023 18:31:50 GMT, Scott Gibbons wrote:
>> Added code for Base64 acceleration (encode and decode) which will accelerate
>> ~4x for AVX2 platforms.
>>
>> Encode performance:
>> **Old:**
>>
>> Benchmark (maxNumBytes) Mode Cnt Score Error
>> Units
> Added code for Base64 acceleration (encode and decode) which will accelerate
> ~4x for AVX2 platforms.
>
> Encode performance:
> **Old:**
>
> Benchmark (maxNumBytes) Mode Cnt Score Error
> Units
> Base64Encode.testBase64Encode 1024 thrpt3
> Added code for Base64 acceleration (encode and decode) which will accelerate
> ~4x for AVX2 platforms.
>
> Encode performance:
> **Old:**
>
> Benchmark (maxNumBytes) Mode Cnt Score Error
> Units
> Base64Encode.testBase64Encode 1024 thrpt3
> Added code for Base64 acceleration (encode and decode) which will accelerate
> ~4x for AVX2 platforms.
>
> Encode performance:
> **Old:**
>
> Benchmark (maxNumBytes) Mode Cnt Score Error
> Units
> Base64Encode.testBase64Encode 1024 thrpt3
> Added code for Base64 acceleration (encode and decode) which will accelerate
> ~4x for AVX2 platforms.
>
> Encode performance:
> **Old:**
>
> Benchmark (maxNumBytes) Mode Cnt Score Error
> Units
> Base64Encode.testBase64Encode 1024 thrpt3
> Added code for Base64 acceleration (encode and decode) which will accelerate
> ~4x for AVX2 platforms.
>
> Encode performance:
> **Old:**
>
> Benchmark (maxNumBytes) Mode Cnt Score Error
> Units
> Base64Encode.testBase64Encode 1024 thrpt3
On Mon, 23 Jan 2023 18:14:16 GMT, Scott Gibbons wrote:
>> src/hotspot/cpu/x86/stubGenerator_x86_64.cpp line 2661:
>>
>>> 2659: __ vpbroadcastq(xmm4, Address(r13, 0), Assembler::AVX_256bit);
>>> 2660: __ vmovdqu(xmm11, Address(r13, 0x28));
>>> 2661: __ vpbroadcastb(xmm10,
On Mon, 23 Jan 2023 11:58:58 GMT, Claes Redestad wrote:
>> Added code for Base64 acceleration (encode and decode) which will accelerate
>> ~4x for AVX2 platforms.
>>
>> Encode performance:
>> **Old:**
>>
>> Benchmark (maxNumBytes) Mode Cnt Score Error
>> Units
On Sat, 21 Jan 2023 00:15:10 GMT, Scott Gibbons wrote:
> Added code for Base64 acceleration (encode and decode) which will accelerate
> ~4x for AVX2 platforms.
>
> Encode performance:
> **Old:**
>
> Benchmark (maxNumBytes) Mode Cnt Score Error
> Units
>
Added code for Base64 acceleration (encode and decode) which will accelerate
~4x for AVX2 platforms.
Encode performance:
**Old:**
Benchmark (maxNumBytes) Mode Cnt Score Error
Units
Base64Encode.testBase64Encode 1024 thrpt3 4309.439 ± 2.632
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