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Re: Performance of global access versus thread local


On 09/26/2013 09:38 AM, Will Newton wrote:
The numbers I get now are more as expected, although I am still not
sure why the x86_64 TLS version is faster:

It's not faster for me:

TLS    ticks per 1000 loops: 0.0000019132
Global ticks per 1000 loops: 0.0000017771

This is an "Intel(R) Core(TM) i7-2620M CPU @ 2.70GHz" running in 64 bit mode.

I wonder if this tells us anything for the stack protector.

--
Florian Weimer / Red Hat Product Security Team


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