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Convert notes into blockquotes

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James Gregory 2013-12-31 11:06:31 +11:00
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@ -41,9 +41,14 @@ well-optimized, and, as I noted, the program must be compiled with the
large model for large cellmaps. Also, of course, the entire program is
still in C++; note well that there's not a whit of assembly here.
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![](images/i.jpg) *We've gotten more than a 30-times speedup simply by removing a little of the abstraction that C++ encourages, and by storing and processing the data in a manner appropriate for the typical nature of the data itself. In other words, we've done some linear, left-brained optimization (using pointers and reducing calls) and some non-linear, right-brained optimization (understanding the real problem and listening for the creative whisper of non-obvious solutions).*
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> ![](images/i.jpg)
> We've gotten more than a 30-times speedup simply by removing a little of
> the abstraction that C++ encourages, and by storing and processing the
> data in a manner appropriate for the typical nature of the data itself.
> In other words, we've done some linear, left-brained optimization (using
> pointers and reducing calls) and some non-linear, right-brained
> optimization (understanding the real problem and listening for the
> creative whisper of non-obvious solutions).
No doubt we could get another two to five times improvement with good
assembly code—but that's dwarfed by a 30-times improvement, so