Experimental Physics and
Industrial Control System

Hi,
> * Spectre mitigations?  (I would think not, unless redhat has
> backported to gcc 4.8)
[1] mentions GCC upgrades along with retpoline-based mitigation (these
upgrades apparently came with RHEL 6.10).

> * Compare executable text size.  (use 'size' not 'ls')
> 
>> ... OS-independent thread pool ...
Good thoughts. Here's another idea:

* Excessive cache misses due to a slight increase in size of some
heavily used data structure? You could try firing up the profiler to get
some statistics:

$ perf stat -d ./application

Martin

[1] https://www.redhat.com/archives/rhelv6-announce/2018-June/msg00000.html

-- 
Martin Konrad
Facility for Rare Isotope Beams
Michigan State University
640 South Shaw Lane
East Lansing, MI 48824-1321, USA
Tel. 517-908-7253
Email: konrad at frib.msu.edu

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