*ping*
On 10 February 2014 14:59, Will Wilson <[email protected]> wrote: > Hi All, > > I've had a crack at implementing lazy loading for late parsed templates > (used by MSVCCompat) as I've noticed that they add unnecessary overhead to > compilation using large PCHs. This is especially true for small files > compiled with large PCH files containing many templated functions - they > were all being deserialized but most never got used. > > A quick analysis on a file in a large code base shows the AST parsing time > time dropping from 0.58s without the change and 0.37s with the change. This > is with 699/7333 late parsed templated loaded and parsed from the PCH. > > I've added the data structures to the ModuleFile class to follow > convention, although I haven't added any new tests as I doubt if anyone's > likely to use modules with late template parsing enabled. However, at least > the option is there should someone want to use (and test) it with modules > in the future. That said, all existing test pass with this patch. > > Formatted and tested patch attached ready for review. > > Cheers, > Will. > -- *Indefiant Ltd.*
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