[8u] RFR Backport of 8217896: Make better use of LCPUs when building on AIX
Andrew Leonard
andrew_m_leonard at uk.ibm.com
Thu Aug 22 12:49:09 UTC 2019
Thanks Andrew,
and correct on non-SMT it produces the same value as the previous code
did.
Cheers
Andrew Leonard
Java Runtimes Development
IBM Hursley
IBM United Kingdom Ltd
internet email: andrew_m_leonard at uk.ibm.com
From: Andrew Hughes <gnu.andrew at redhat.com>
To: Andrew Leonard <andrew_m_leonard at uk.ibm.com>
Cc: jdk8u-dev <jdk8u-dev at openjdk.java.net>
Date: 22/08/2019 12:27
Subject: Re: [8u] RFR Backport of 8217896: Make better use of LCPUs
when building on AIX
On Fri, 9 Aug 2019 at 16:17, Andrew Leonard <andrew_m_leonard at uk.ibm.com>
wrote:
>
> Hi,
> Please can I request a review of this updated patch for 8217896 to
> backport to jdk8u. The patch is essentially the same, but jdk8 the
> build-performance.m4 is in a different location, with a different
> copyright year, and the generated-configure.sh generation.. I have built
> and tested this on our AIX machines.
>
https://urldefense.proofpoint.com/v2/url?u=http-3A__cr.openjdk.java.net_-7Ealeonard_8217896_webrev.03_&d=DwIBaQ&c=jf_iaSHvJObTbx-siA1ZOg&r=NaV8Iy8Ld-vjpXZFDdTbgGlRTghGHnwM75wUPd5_NUQ&m=OF7K7wDyJgoEtbIWjBLRSOfAeIWJ69BzD5Oq9oZXc9Y&s=o1xgiBpcvP4vNaO9ISQgB0t2NhTZmvemuNEMeu877Mk&e=
> Once reviewed I will add the jdk8u-fix-request.
> Thanks
> Andrew
>
> Andrew Leonard
> Java Runtimes Development
> IBM Hursley
> IBM United Kingdom Ltd
> internet email: andrew_m_leonard at uk.ibm.com
>
> Unless stated otherwise above:
> IBM United Kingdom Limited - Registered in England and Wales with number
> 741598.
> Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6
3AU
>
Patch looks fine to me.
Out of interest, I presume the lcpu field is present with the same
value as prtconf on non-SMT machines, but has a higher value than that
returned by prtconf on SMT machines?
Thanks,
--
Andrew :)
Senior Free Java Software Engineer
Red Hat, Inc. (
https://urldefense.proofpoint.com/v2/url?u=http-3A__www.redhat.com&d=DwIBaQ&c=jf_iaSHvJObTbx-siA1ZOg&r=NaV8Iy8Ld-vjpXZFDdTbgGlRTghGHnwM75wUPd5_NUQ&m=OF7K7wDyJgoEtbIWjBLRSOfAeIWJ69BzD5Oq9oZXc9Y&s=O7Hbx7ZOoqxbw3HlTn1-ZIEhstpREhwZXqhBVMaYkw8&e=
)
Web Site:
https://urldefense.proofpoint.com/v2/url?u=http-3A__fuseyism.com&d=DwIBaQ&c=jf_iaSHvJObTbx-siA1ZOg&r=NaV8Iy8Ld-vjpXZFDdTbgGlRTghGHnwM75wUPd5_NUQ&m=OF7K7wDyJgoEtbIWjBLRSOfAeIWJ69BzD5Oq9oZXc9Y&s=SD-EIg_jAFwnMRpJ9Tc5WaoLJ_pBSu57qkTqu8cagkc&e=
Twitter:
https://urldefense.proofpoint.com/v2/url?u=https-3A__twitter.com_gnu-5Fandrew-5Fjava&d=DwIBaQ&c=jf_iaSHvJObTbx-siA1ZOg&r=NaV8Iy8Ld-vjpXZFDdTbgGlRTghGHnwM75wUPd5_NUQ&m=OF7K7wDyJgoEtbIWjBLRSOfAeIWJ69BzD5Oq9oZXc9Y&s=ZQ187McgzebuBVJg0H2OA0DhYtvIkMiXPmE1ERYzfQ0&e=
PGP Key: ed25519/0xCFDA0F9B35964222 (hkp://keys.gnupg.net)
Fingerprint = 5132 579D D154 0ED2 3E04 C5A0 CFDA 0F9B 3596 4222
Unless stated otherwise above:
IBM United Kingdom Limited - Registered in England and Wales with number
741598.
Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6 3AU
More information about the jdk8u-dev
mailing list