Optimization of conditional access to globals: thread-unsafe?

[Robert Dewar]

Michael Matz wrote:
> Hi,
> 
> On Mon, 29 Oct 2007, Robert Dewar wrote:
> 
>> One thing that seems missing from this thread is any quantitative 
>> analysis of the value of this optimization.
> 
> Please read my mails carefully.

Well perhaps some emails got lost, but to be clear what I am looking
for is actual data on real live large scale applications that show
this optimization having a significant effect. I have not seen that.
Yes, I understand that individual small benchmarks might be affected,
but I never find that convincing.
> 
> 
> Ciao,
> Michael.