[Beignet] [PATCH] replace hash_map with map

Andi Kleen andi at firstfloor.org
Thu Dec 25 21:16:45 PST 2014


Guo Yejun <yejun.guo at intel.com> writes:

> there is no strong evidence to show hash_map makes better performance
> for beignet, since hash_map requires std::hash which is not supported
> in some g++ old versions, so replace hash_map with map.

Are you sure? What g++ version is that?

AFAIK hash_map has been always in libstdc++ since it exist, as it always
was in the SGI STL.

-Andi

-- 
ak at linux.intel.com -- Speaking for myself only



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