Re: [Valgrind-developers] mtV : xor tt_fast

[Greg P. <gp...@ap...>]

On Jun 19, 2012, at 3:38 PM, Julian Seward <js...@ac...> wrote:
> On Wednesday, June 20, 2012, Philippe Waroquiers wrote:
>> For reference, this xor technique is described in:
>> http://www.cis.uab.edu/hyatt/hashing.html
> 
> I skimmed this, but failed to understand (1) why it works and 
> (2) how it can work without memory fences.

Assuming it does work, it ought to be able to get away with cheaper barriers or no barriers on some architectures. 


-- 
Greg Parker     gp...@ap...     Runtime Wrangler