On Wed, 23 Mar 2022 06:55:50 GMT, Tobias Hartmann wrote:
>> Jatin Bhateja has updated the pull request with a new target base due to a
>> merge or a rebase. The pull request now contains 22 commits:
>>
>> - 8279508: Using an explicit scratch register since rscratch1 is bound to
>> r10 and
On Fri, 18 Mar 2022 20:19:08 GMT, Jatin Bhateja wrote:
>> Summary of changes:
>> - Intrinsify Math.round(float) and Math.round(double) APIs.
>> - Extend auto-vectorizer to infer vector operations on encountering scalar
>> IR nodes for above intrinsics.
>> - Test creation using new IR testing
On Fri, 18 Mar 2022 20:19:08 GMT, Jatin Bhateja wrote:
>> Summary of changes:
>> - Intrinsify Math.round(float) and Math.round(double) APIs.
>> - Extend auto-vectorizer to infer vector operations on encountering scalar
>> IR nodes for above intrinsics.
>> - Test creation using new IR testing
On Tue, 22 Mar 2022 02:52:07 GMT, Jatin Bhateja wrote:
>>> A read from constant table will incur minimum of L1I access penalty to
>>> access code blob or at worst even more if data is not present in first
>>> level cache
>>
>> But your approach comes at a cost of frontend bandwidth and port
On Tue, 22 Mar 2022 01:55:38 GMT, Quan Anh Mai wrote:
>> A read from constant table will incur minimum of L1I access penalty to
>> access code blob or at worst even more if data is not present in first level
>> cache. Change was done for replace vpbroadcastd with vbroadcastss because of
>>
On Mon, 21 Mar 2022 18:25:36 GMT, Jatin Bhateja wrote:
> A read from constant table will incur minimum of L1I access penalty to access
> code blob or at worst even more if data is not present in first level cache
But your approach comes at a cost of frontend bandwidth and port contention,
On Mon, 21 Mar 2022 17:56:22 GMT, Quan Anh Mai wrote:
>> constant and register to register moves are never issued to execution ports,
>> rematerializing value rather than reading from memory will give better
>> performance.
>
> I have come across this a little bit. While `movl r, i` may not
On Sun, 13 Mar 2022 04:27:44 GMT, Jatin Bhateja wrote:
>> src/hotspot/cpu/x86/c2_MacroAssembler_x86.cpp line 4178:
>>
>>> 4176: movl(scratch, 1056964608);
>>> 4177: movq(xtmp1, scratch);
>>> 4178: vbroadcastss(xtmp1, xtmp1, vec_enc);
>>
>> You could put the constant in the constant table
On Mon, 14 Mar 2022 10:35:58 GMT, Tobias Hartmann wrote:
>> Jatin Bhateja has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> 8279508: Windows build failure fix.
>
> `compiler/c2/cr6340864/TestFloatVect.java` and `TestDoubleVect.java` fail
> Summary of changes:
> - Intrinsify Math.round(float) and Math.round(double) APIs.
> - Extend auto-vectorizer to infer vector operations on encountering scalar IR
> nodes for above intrinsics.
> - Test creation using new IR testing framework.
>
> Following are the performance number of a JMH
On Sun, 13 Mar 2022 06:36:15 GMT, Jatin Bhateja wrote:
>> Summary of changes:
>> - Intrinsify Math.round(float) and Math.round(double) APIs.
>> - Extend auto-vectorizer to infer vector operations on encountering scalar
>> IR nodes for above intrinsics.
>> - Test creation using new IR testing
On Mon, 14 Mar 2022 09:29:28 GMT, Andrew Haley wrote:
>> Good suggestion, but as of now we are not using vector calling conventions
>> for stubs.
>
> I don't understand this comment. If the stub is only to be used by you, then
> you can determine your own calling convention.
We are passing
On Sun, 13 Mar 2022 06:36:15 GMT, Jatin Bhateja wrote:
>> Summary of changes:
>> - Intrinsify Math.round(float) and Math.round(double) APIs.
>> - Extend auto-vectorizer to infer vector operations on encountering scalar
>> IR nodes for above intrinsics.
>> - Test creation using new IR testing
On Sun, 13 Mar 2022 04:27:25 GMT, Jatin Bhateja wrote:
>> src/hotspot/cpu/x86/c2_MacroAssembler_x86.cpp line 4024:
>>
>>> 4022: * the result is equal to the value of Integer.MAX_VALUE.
>>> 4023: */
>>> 4024: void
>>> C2_MacroAssembler::vector_cast_float_special_cases_avx(XMMRegister dst,
> Summary of changes:
> - Intrinsify Math.round(float) and Math.round(double) APIs.
> - Extend auto-vectorizer to infer vector operations on encountering scalar IR
> nodes for above intrinsics.
> - Test creation using new IR testing framework.
>
> Following are the performance number of a JMH
> Summary of changes:
> - Intrinsify Math.round(float) and Math.round(double) APIs.
> - Extend auto-vectorizer to infer vector operations on encountering scalar IR
> nodes for above intrinsics.
> - Test creation using new IR testing framework.
>
> Following are the performance number of a JMH
On Sun, 13 Mar 2022 00:06:07 GMT, Quan Anh Mai wrote:
>> src/hotspot/cpu/x86/c2_MacroAssembler_x86.cpp line 4161:
>>
>>> 4159: movl(scratch, 1056964608);
>>> 4160: movq(xtmp1, scratch);
>>> 4161: vbroadcastss(xtmp1, xtmp1, vec_enc);
>>
>> An `evpbroadcastd` would reduce this by one
On Sat, 12 Mar 2022 23:20:58 GMT, Quan Anh Mai wrote:
>> Jatin Bhateja has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> 8279508: Creating separate test for round double under feature check.
>
>
On Sat, 12 Mar 2022 23:22:16 GMT, Quan Anh Mai wrote:
>> Jatin Bhateja has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> 8279508: Creating separate test for round double under feature check.
>
>
On Sat, 12 Mar 2022 19:58:37 GMT, Jatin Bhateja wrote:
>> Summary of changes:
>> - Intrinsify Math.round(float) and Math.round(double) APIs.
>> - Extend auto-vectorizer to infer vector operations on encountering scalar
>> IR nodes for above intrinsics.
>> - Test creation using new IR testing
> Summary of changes:
> - Intrinsify Math.round(float) and Math.round(double) APIs.
> - Extend auto-vectorizer to infer vector operations on encountering scalar IR
> nodes for above intrinsics.
> - Test creation using new IR testing framework.
>
> Following are the performance number of a JMH
On Thu, 3 Mar 2022 05:42:23 GMT, Jatin Bhateja wrote:
>> The testing for this PR doesn't look adequate to me. I don't see any testing
>> for the values where the behavior of round has been redefined at points in
>> the last decade. See JDK-8010430 and JDK-6430675, both of which have
>>
> Summary of changes:
> - Intrinsify Math.round(float) and Math.round(double) APIs.
> - Extend auto-vectorizer to infer vector operations on encountering scalar IR
> nodes for above intrinsics.
> - Test creation using new IR testing framework.
>
> Following are the performance number of a JMH
On Thu, 10 Mar 2022 14:29:36 GMT, Joe Darcy wrote:
>> Hi @jddarcy ,
>>
>> Test has been modified on the same lines using generic options which
>> manipulate compilation thresholds and agnostic to target platforms.
>>
>> * @run main/othervm -XX:Tier3CompileThreshold=100
>>
> Summary of changes:
> - Intrinsify Math.round(float) and Math.round(double) APIs.
> - Extend auto-vectorizer to infer vector operations on encountering scalar IR
> nodes for above intrinsics.
> - Test creation using new IR testing framework.
>
> Following are the performance number of a JMH
On Fri, 4 Mar 2022 19:04:40 GMT, Jatin Bhateja wrote:
>> IMO RoundTests should have a explicit @run tag without any VM options as
>> well.
>>
>> Do the added VM options run on all platforms in question? What is the
>> approximate time to run the test run compared to before?
>
> Hi @jddarcy ,
On Wed, 9 Mar 2022 11:38:34 GMT, Jatin Bhateja wrote:
>> Summary of changes:
>> - Intrinsify Math.round(float) and Math.round(double) APIs.
>> - Extend auto-vectorizer to infer vector operations on encountering scalar
>> IR nodes for above intrinsics.
>> - Test creation using new IR testing
On Wed, 9 Mar 2022 11:38:34 GMT, Jatin Bhateja wrote:
>> Summary of changes:
>> - Intrinsify Math.round(float) and Math.round(double) APIs.
>> - Extend auto-vectorizer to infer vector operations on encountering scalar
>> IR nodes for above intrinsics.
>> - Test creation using new IR testing
> Summary of changes:
> - Intrinsify Math.round(float) and Math.round(double) APIs.
> - Extend auto-vectorizer to infer vector operations on encountering scalar IR
> nodes for above intrinsics.
> - Test creation using new IR testing framework.
>
> Following are the performance number of a JMH
On Wed, 2 Mar 2022 02:44:41 GMT, Jatin Bhateja wrote:
>> Summary of changes:
>> - Intrinsify Math.round(float) and Math.round(double) APIs.
>> - Extend auto-vectorizer to infer vector operations on encountering scalar
>> IR nodes for above intrinsics.
>> - Test creation using new IR testing
On Sun, 6 Mar 2022 09:31:27 GMT, Andrew Haley wrote:
>> Jatin Bhateja has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> 8279508: Removing +LogCompilation flag.
>
> src/hotspot/cpu/x86/c2_MacroAssembler_x86.cpp line 4157:
>
>> 4155:
On Wed, 2 Mar 2022 02:44:41 GMT, Jatin Bhateja wrote:
>> Summary of changes:
>> - Intrinsify Math.round(float) and Math.round(double) APIs.
>> - Extend auto-vectorizer to infer vector operations on encountering scalar
>> IR nodes for above intrinsics.
>> - Test creation using new IR testing
On Fri, 4 Mar 2022 06:06:52 GMT, Joe Darcy wrote:
>> test/jdk/java/lang/Math/RoundTests.java line 32:
>>
>>> 30: public static void main(String... args) {
>>> 31: int failures = 0;
>>> 32: for (int i = 0; i < 10; i++) {
>>
>> Is there an idiom to trigger the
On Tue, 1 Mar 2022 06:17:06 GMT, Joe Darcy wrote:
>> Jatin Bhateja has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> 8279508: Adding descriptive comments.
>
> test/jdk/java/lang/Math/RoundTests.java line 32:
>
>> 30: public static
On Wed, 19 Jan 2022 22:09:26 GMT, Joe Darcy wrote:
>> Jatin Bhateja has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> 8279508: Adding a test for scalar intrinsification.
>
> The testing for this PR doesn't look adequate to me. I don't see
On Sat, 26 Feb 2022 01:07:47 GMT, Sandhya Viswanathan
wrote:
>> Jatin Bhateja has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> 8279508: Adding descriptive comments.
>
> src/hotspot/cpu/x86/x86.ad line 7295:
>
>> 7293: __
On Sat, 26 Feb 2022 04:55:08 GMT, Jatin Bhateja wrote:
>> Jatin Bhateja has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> 8279508: Adding descriptive comments.
>
> As per SDM, if post conversion a floating point number is
On Wed, 2 Mar 2022 02:44:41 GMT, Jatin Bhateja wrote:
>> Summary of changes:
>> - Intrinsify Math.round(float) and Math.round(double) APIs.
>> - Extend auto-vectorizer to infer vector operations on encountering scalar
>> IR nodes for above intrinsics.
>> - Test creation using new IR testing
On Sat, 26 Feb 2022 03:38:32 GMT, Quan Anh Mai wrote:
>> I believe the indefinite value should be 2^(w - 1) (a.k.a 0x8000) and
>> the documentation is typoed. If you look at `cvtss2si`, the indefinite value
>> is also written as 2^w - 1 but yet in `MacroAssembler::convert_f2i` we
>>
> Summary of changes:
> - Intrinsify Math.round(float) and Math.round(double) APIs.
> - Extend auto-vectorizer to infer vector operations on encountering scalar IR
> nodes for above intrinsics.
> - Test creation using new IR testing framework.
>
> Following are the performance number of a JMH
> Summary of changes:
> - Intrinsify Math.round(float) and Math.round(double) APIs.
> - Extend auto-vectorizer to infer vector operations on encountering scalar IR
> nodes for above intrinsics.
> - Test creation using new IR testing framework.
>
> Following are the performance number of a JMH
On Fri, 25 Feb 2022 06:22:42 GMT, Jatin Bhateja wrote:
>> Summary of changes:
>> - Intrinsify Math.round(float) and Math.round(double) APIs.
>> - Extend auto-vectorizer to infer vector operations on encountering scalar
>> IR nodes for above intrinsics.
>> - Test creation using new IR testing
On Fri, 25 Feb 2022 06:22:42 GMT, Jatin Bhateja wrote:
>> Summary of changes:
>> - Intrinsify Math.round(float) and Math.round(double) APIs.
>> - Extend auto-vectorizer to infer vector operations on encountering scalar
>> IR nodes for above intrinsics.
>> - Test creation using new IR testing
On Sat, 26 Feb 2022 03:02:51 GMT, Sandhya Viswanathan
wrote:
>> src/hotspot/cpu/x86/x86.ad line 7263:
>>
>>> 7261: __ vector_round_float_avx($dst$$XMMRegister, $src$$XMMRegister,
>>> $xtmp1$$XMMRegister,
>>> 7262: $xtmp2$$XMMRegister,
>>>
On Sat, 26 Feb 2022 03:37:32 GMT, Quan Anh Mai wrote:
>> Clarification, the number in my comments above is (2^w - 1). This is from
>> Intel SDM
>> (https://www.intel.com/content/www/us/en/developer/articles/technical/intel-sdm.html).
>> Also you will need to take care when the valid
On Sat, 26 Feb 2022 01:06:21 GMT, Sandhya Viswanathan
wrote:
>> Jatin Bhateja has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> 8279508: Adding descriptive comments.
>
> src/hotspot/cpu/x86/x86.ad line 7263:
>
>> 7261: __
On Fri, 25 Feb 2022 06:22:42 GMT, Jatin Bhateja wrote:
>> Summary of changes:
>> - Intrinsify Math.round(float) and Math.round(double) APIs.
>> - Extend auto-vectorizer to infer vector operations on encountering scalar
>> IR nodes for above intrinsics.
>> - Test creation using new IR testing
> Summary of changes:
> - Intrinsify Math.round(float) and Math.round(double) APIs.
> - Extend auto-vectorizer to infer vector operations on encountering scalar IR
> nodes for above intrinsics.
> - Test creation using new IR testing framework.
>
> Following are the performance number of a JMH
On Thu, 24 Feb 2022 00:43:27 GMT, Sandhya Viswanathan
wrote:
> Also curious, how does the performance look with all these changes.
Updated new perf numbers.
-
PR: https://git.openjdk.java.net/jdk/pull/7094
On Thu, 24 Feb 2022 01:43:27 GMT, Sandhya Viswanathan
wrote:
>> Jatin Bhateja has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> 8279508: Review comments resolved.
>
> src/hotspot/cpu/x86/macroAssembler_x86.cpp line 8984:
>
>> 8982: }
>>
> Summary of changes:
> - Intrinsify Math.round(float) and Math.round(double) APIs.
> - Extend auto-vectorizer to infer vector operations on encountering scalar IR
> nodes for above intrinsics.
> - Test creation using new IR testing framework.
>
> Following are the performance number of a JMH
On Wed, 23 Feb 2022 09:03:37 GMT, Jatin Bhateja wrote:
>> Summary of changes:
>> - Intrinsify Math.round(float) and Math.round(double) APIs.
>> - Extend auto-vectorizer to infer vector operations on encountering scalar
>> IR nodes for above intrinsics.
>> - Test creation using new IR testing
On Wed, 23 Feb 2022 09:03:37 GMT, Jatin Bhateja wrote:
>> Summary of changes:
>> - Intrinsify Math.round(float) and Math.round(double) APIs.
>> - Extend auto-vectorizer to infer vector operations on encountering scalar
>> IR nodes for above intrinsics.
>> - Test creation using new IR testing
On Wed, 23 Feb 2022 09:03:37 GMT, Jatin Bhateja wrote:
>> Summary of changes:
>> - Intrinsify Math.round(float) and Math.round(double) APIs.
>> - Extend auto-vectorizer to infer vector operations on encountering scalar
>> IR nodes for above intrinsics.
>> - Test creation using new IR testing
> Summary of changes:
> - Intrinsify Math.round(float) and Math.round(double) APIs.
> - Extend auto-vectorizer to infer vector operations on encountering scalar IR
> nodes for above intrinsics.
> - Test creation using new IR testing framework.
>
> Following are the performance number of a JMH
On Wed, 23 Feb 2022 01:31:24 GMT, Sandhya Viswanathan
wrote:
>> Jatin Bhateja has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> 8279508: Fixing for windows failure.
>
> src/hotspot/cpu/x86/c2_MacroAssembler_x86.cpp line 4146:
>
>> 4144:
On Thu, 17 Feb 2022 17:43:43 GMT, Jatin Bhateja wrote:
>> Summary of changes:
>> - Intrinsify Math.round(float) and Math.round(double) APIs.
>> - Extend auto-vectorizer to infer vector operations on encountering scalar
>> IR nodes for above intrinsics.
>> - Test creation using new IR testing
> Summary of changes:
> - Intrinsify Math.round(float) and Math.round(double) APIs.
> - Extend auto-vectorizer to infer vector operations on encountering scalar IR
> nodes for above intrinsics.
> - Test creation using new IR testing framework.
>
> Following are the performance number of a JMH
On Wed, 16 Feb 2022 12:30:27 GMT, Jatin Bhateja wrote:
>> Summary of changes:
>> - Intrinsify Math.round(float) and Math.round(double) APIs.
>> - Extend auto-vectorizer to infer vector operations on encountering scalar
>> IR nodes for above intrinsics.
>> - Test creation using new IR testing
On 2/12/2022 6:55 PM, Jatin Bhateja wrote:
On Fri, 21 Jan 2022 00:49:04 GMT, Sandhya Viswanathan
wrote:
The JVM currently initializes the x86 mxcsr to round to nearest even, see below
in stubGenerator_x86_64.cpp: // Round to nearest (even), 64-bit mode,
exceptions masked
On Wed, 16 Feb 2022 12:26:45 GMT, Jatin Bhateja wrote:
>>> > Hi, IIRC for evex encoding you can embed the RC control bit directly in
>>> > the evex prefix, removing the need to rely on global MXCSR register.
>>> > Thanks.
>>>
>>> Hi @merykitty , You are correct, we can embed RC mode in
> Summary of changes:
> - Intrinsify Math.round(float) and Math.round(double) APIs.
> - Extend auto-vectorizer to infer vector operations on encountering scalar IR
> nodes for above intrinsics.
> - Test creation using new IR testing framework.
>
> Following are the performance number of a JMH
On Mon, 14 Feb 2022 17:14:10 GMT, Jatin Bhateja wrote:
>> That pseudocode would make a very useful comment too. This whole patch is
>> very thinly commented.
>
>> > Hi, IIRC for evex encoding you can embed the RC control bit directly in
>> > the evex prefix, removing the need to rely on global
> Summary of changes:
> - Intrinsify Math.round(float) and Math.round(double) APIs.
> - Extend auto-vectorizer to infer vector operations on encountering scalar IR
> nodes for above intrinsics.
> - Test creation using new IR testing framework.
>
> Following are the performance number of a JMH
On Mon, 14 Feb 2022 09:12:54 GMT, Andrew Haley wrote:
>>> What does this do? Comment, even pseudo code, would be nice.
>>
>> Thanks @theRealAph , I shall append the comments over the routine.
>> BTW, entire rounding algorithm can also be implemented using Vector API
>> which can perform
On Sun, 13 Feb 2022 13:12:35 GMT, Jatin Bhateja wrote:
>>> Hi, IIRC for evex encoding you can embed the RC control bit directly in the
>>> evex prefix, removing the need to rely on global MXCSR register. Thanks.
>>
>> Hi @merykitty , You are correct, we can embed RC mode in instruction
>>
On Sun, 13 Feb 2022 13:08:41 GMT, Jatin Bhateja wrote:
>> src/hotspot/cpu/x86/c2_MacroAssembler_x86.cpp line 4066:
>>
>>> 4064: }
>>> 4065:
>>> 4066: void
>>> C2_MacroAssembler::vector_cast_double_special_cases_evex(XMMRegister dst,
>>> XMMRegister src, XMMRegister xtmp1,
>>
>> What does
On Sun, 13 Feb 2022 10:58:19 GMT, Andrew Haley wrote:
>> Jatin Bhateja 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 four additional
>>
On Sun, 13 Feb 2022 03:09:43 GMT, Jatin Bhateja wrote:
>> Summary of changes:
>> - Intrinsify Math.round(float) and Math.round(double) APIs.
>> - Extend auto-vectorizer to infer vector operations on encountering scalar
>> IR nodes for above intrinsics.
>> - Test creation using new IR testing
On Sun, 13 Feb 2022 03:09:43 GMT, Jatin Bhateja wrote:
>> Summary of changes:
>> - Intrinsify Math.round(float) and Math.round(double) APIs.
>> - Extend auto-vectorizer to infer vector operations on encountering scalar
>> IR nodes for above intrinsics.
>> - Test creation using new IR testing
On Sun, 13 Feb 2022 03:09:43 GMT, Jatin Bhateja wrote:
>> Summary of changes:
>> - Intrinsify Math.round(float) and Math.round(double) APIs.
>> - Extend auto-vectorizer to infer vector operations on encountering scalar
>> IR nodes for above intrinsics.
>> - Test creation using new IR testing
> Summary of changes:
> - Intrinsify Math.round(float) and Math.round(double) APIs.
> - Extend auto-vectorizer to infer vector operations on encountering scalar IR
> nodes for above intrinsics.
> - Test creation using new IR testing framework.
>
> Following are the performance number of a JMH
On Fri, 21 Jan 2022 00:49:04 GMT, Sandhya Viswanathan
wrote:
> The JVM currently initializes the x86 mxcsr to round to nearest even, see
> below in stubGenerator_x86_64.cpp: // Round to nearest (even), 64-bit mode,
> exceptions masked StubRoutines::x86::_mxcsr_std = 0x1F80; The above works
On Wed, 19 Jan 2022 17:38:25 GMT, Jatin Bhateja wrote:
>> Summary of changes:
>> - Intrinsify Math.round(float) and Math.round(double) APIs.
>> - Extend auto-vectorizer to infer vector operations on encountering scalar
>> IR nodes for above intrinsics.
>> - Test creation using new IR testing
On Wed, 19 Jan 2022 17:38:25 GMT, Jatin Bhateja wrote:
>> Summary of changes:
>> - Intrinsify Math.round(float) and Math.round(double) APIs.
>> - Extend auto-vectorizer to infer vector operations on encountering scalar
>> IR nodes for above intrinsics.
>> - Test creation using new IR testing
On Wed, 19 Jan 2022 17:38:25 GMT, Jatin Bhateja wrote:
>> Summary of changes:
>> - Intrinsify Math.round(float) and Math.round(double) APIs.
>> - Extend auto-vectorizer to infer vector operations on encountering scalar
>> IR nodes for above intrinsics.
>> - Test creation using new IR testing
> Summary of changes:
> - Intrinsify Math.round(float) and Math.round(double) APIs.
> - Extend auto-vectorizer to infer vector operations on encountering scalar IR
> nodes for above intrinsics.
> - Test creation using new IR testing framework.
>
> Following are the performance number of a JMH
On Sat, 15 Jan 2022 02:21:38 GMT, Jatin Bhateja wrote:
> Summary of changes:
> - Intrinsify Math.round(float) and Math.round(double) APIs.
> - Extend auto-vectorizer to infer vector operations on encountering scalar IR
> nodes for above intrinsics.
> - Test creation using new IR testing
On Sun, 16 Jan 2022 02:23:15 GMT, Quan Anh Mai wrote:
> Hi, did we have tests for the scalar intrinsification already? Thanks.
Verification is done against scalar rounding operation.
On Sat, 15 Jan 2022 02:21:38 GMT, Jatin Bhateja wrote:
> Summary of changes:
> - Intrinsify Math.round(float) and Math.round(double) APIs.
> - Extend auto-vectorizer to infer vector operations on encountering scalar IR
> nodes for above intrinsics.
> - Test creation using new IR testing
Summary of changes:
- Intrinsify Math.round(float) and Math.round(double) APIs.
- Extend auto-vectorizer to infer vector operations on encountering scalar IR
nodes for above intrinsics.
- Test creation using new IR testing framework.
Following are the performance number of a JMH micro included
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