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From: Chris M. <dev...@gm...> - 2016-05-05 21:42:51
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On Wed, Apr 27, 2016 at 12:44 PM, Chris Marshall <dev...@gm...> wrote: > Hi David- > > I did forget another component which may be applicable to the PDL > script performance: the move to 64bit indexing which while very general, > will clearly impact the memory overhead etc. from the indexing and > computations. I would guess that we may have exceeded the cache > line size which would definitely slow things down as well. > > I just checked on my cygwin/win7 PDL-2.015 install and the pdl struct is a cache-busting 328 bytes. I wonder how much difference if we whittled it down to 256 or less? --Chris |