Thanks Martin!

On 8/9/18 5:42 PM, Martin Buchholz wrote:


On Thu, Aug 9, 2018 at 5:27 PM, Ivan Gerasimov <ivan.gerasi...@oracle.com <mailto:ivan.gerasi...@oracle.com>> wrote:

    I did not use the intrinsified variants of numberOfLeadingZeros in
    the benchmark.


Oops! Should have looked more closely!
Did you know about
http://www.hackersdelight.org/hdcodetxt/ntz.c.txt

Ah, right, ntz1() is even better because it has less branches. How could I miss that?

Here's the updated webrev and benchmarks:

http://cr.openjdk.java.net/~igerasim/8209171/01/webrev/
http://cr.openjdk.java.net/~igerasim/8209171/01/bench/int/MyBenchmark.java
http://cr.openjdk.java.net/~igerasim/8209171/01/bench/long/MyBenchmark.java

--
With kind regards,
Ivan Gerasimov

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