On Fri, 26 Feb 2021 15:48:18 GMT, Vladimir Ivanov wrote:
> > I'd like to keep DoubleVector.SPECIES_PREFERRED.length() <=
> > VectorSupport.getMaxLaneCount(double.class) for Java programmers since the
> > VectorSupport_GetMaxLaneCount is used to implement a Java API.
>
> It doesn't make much
On Fri, 26 Feb 2021 15:37:08 GMT, Jie Fu wrote:
> I'd like to keep DoubleVector.SPECIES_PREFERRED.length() <=
> VectorSupport.getMaxLaneCount(double.class) for Java programmers since the
> VectorSupport_GetMaxLaneCount is used to implement a Java API.
It doesn't make much sense to me.
On Fri, 26 Feb 2021 13:55:15 GMT, Vladimir Ivanov wrote:
> IMO the fix should be in
> `src/jdk.incubator.vector/share/classes/jdk/incubator/vector/VectorShape.java`.
>
> JVM does the right job when it signals vector support is absent (by returning
> `-1`).
>
> `jdk.incubator.vector`
On Fri, 26 Feb 2021 02:38:00 GMT, Jie Fu wrote:
>> Hi all,
>>
>> Vector API fails to work when:
>> - case 1: MaxVectorSize is set to <=8, or
>> - case 2: C2 is disabled
>>
>> The reason is that {max/preferred} VectorShape initialization fails in both
>> cases.
>> And the root cause is that
On Fri, 26 Feb 2021 02:38:00 GMT, Jie Fu wrote:
>> Hi all,
>>
>> Vector API fails to work when:
>> - case 1: MaxVectorSize is set to <=8, or
>> - case 2: C2 is disabled
>>
>> The reason is that {max/preferred} VectorShape initialization fails in both
>> cases.
>> And the root cause is that
> Hi all,
>
> Vector API fails to work when:
> - case 1: MaxVectorSize is set to <=8, or
> - case 2: C2 is disabled
>
> The reason is that {max/preferred} VectorShape initialization fails in both
> cases.
> And the root cause is that VectorSupport_GetMaxLaneCount [1] returns
> unreasonable
On Fri, 26 Feb 2021 02:28:55 GMT, Paul Sandoz wrote:
> In that case I think we can remove the execution with
> `-XX:TieredStopAtLevel=x`.
Fixed. Thanks.
-
PR: https://git.openjdk.java.net/jdk/pull/2722
