[FFmpeg-devel] [PATCH 7/9] hevc: use intreadwrite

Michael Niedermayer michaelni at gmx.at
Thu Jul 10 14:53:01 CEST 2014

On Thu, Jul 10, 2014 at 06:47:54AM +0000, Christophe Gisquet wrote:
> When dealing with MVs, both components may be processed at a time.

mixing memory access sizes can lead to speed penalties on some cpus
when such mixed accesses are close together
did you benchmark this ?


Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Awnsering whenever a program halts or runs forever is
On a turing machine, in general impossible (turings halting problem).
On any real computer, always possible as a real computer has a finite number
of states N, and will either halt in less than N cycles or never halt.
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