Subject: |
Re: [Merge] lp:~epics-core/epics-base/epicsR3.15-atomics into lp:epics-base |
From: |
Jeff Hill <[email protected]> |
To: |
Jeff Hill <[email protected]> |
Date: |
Thu, 11 Aug 2011 14:06:48 -0000 |
> I would rather use the default that my linux distributor has chosen.
I don't know how you can determine what that is. On RHEL I tried "g++ --dumpspecs" but this doesn't appear to reveal any clues.
Nevertheless, I ran a quick test and I think I see that our RHEL defaults to 386.
with no -march=xxxx ================>
# epicsAtomicIncr() takes 0.140282 microseconds
with -march=i586 ================>
# epicsAtomicIncr() takes 0.040051 microseconds
Jeff
--
https://code.launchpad.net/~epics-core/epics-base/epicsR3.15-atomics/+merge/70642
Your team EPICS Core Developers is requested to review the proposed merge of lp:~epics-core/epics-base/epicsR3.15-atomics into lp:epics-base.
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- Re: [Merge] lp:~epics-core/epics-base/epicsR3.15-atomics into lp:epics-base mdavidsaver
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