Proposal: JDK-8217896: Make better use of LCPUs when building on AIX

[Magnus Ihse Bursie]

On 2019-01-29 18:05, Erik Joelsson wrote:
> Hello,
>
> I'm OK with this, but since I can't verify it at all, I would be more 
> comfortable if one of the other AIX users would review this as well.
I'm also a bit surprised by the "wc -l | awk '{print $1}" construct. The 
point of sending -l to wc is to only get the line number count as 
output, yes? So why the awk part then?

/Magnus
>
> /Erik
>
> On 2019-01-29 05:08, Andrew Leonard wrote:
>> Hi,
>> Please can I get a sponsor for this build performance enhancement on 
>> AIX,
>> by better determining the number of LCPUs on smt AIX machines:
>>      https://cr.openjdk.java.net/~aleonard/8217896/webrev.00/
>> My testing shows up to 30% improved build times when leveraging the
>> available LCPUs.
>> Many thanks
>> Andrew
>>
>> Andrew Leonard
>> Java Runtimes Development
>> IBM Hursley
>> IBM United Kingdom Ltd
>> Phone internal: 245913, external: 01962 815913
>> internet email: andrew_m_leonard at uk.ibm.com
>>
>>
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