Float512Vector.reduceLanes in async profiling results.

Andrii Lomakin lomakin.andrey at gmail.com
Tue Jun 20 18:51:10 UTC 2023


Good day,

I am currently working on implementing vector indexes and using Vector API
to calculate L2 distance.
While performing asynchronous sampling of application benchmarks, I
observed that the method Float512Vector.reduceLanes is consuming 30% of CPU
time according to the reports. I am using JDK 20. Is this the expected
result? I believed that this method should be inlined and not appear in the
profiler results.

P.S. Other methods like MFA and SUM do not appear in reports.
-- 
Best regards,
Andrii Lomakin.
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