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Don't understand why this wouldn't just been merged into the upcoming versions of R. Creating a new project is strange, anyone know as to why they might have do
by tardigrade 13y ago
Don't understand why this wouldn't just been merged into the upcoming versions of R. Creating a new project is strange, anyone know as to why they might have done this? Sure there's probably a good reason that I'm just unaware of.
- jergosh 13y agoR core developers are notoriously resistant to change. A number of glaring inefficiencies have gone unfixed for years, despite people submitting patches etc.
- hadley 13y agoR core is generally motivated by ensuring that R continues to work as is, not by improving performance. You can argue whether or not this is a good idea, but in the absence of a comprehensive unit test suite, it's pretty hard to improve performance without breaking behaviour.
- radfordneal 13y agoIt's difficult to see how this rationale can possibly justify ignoring a 10x speed up in vector-matrix multiplies (and similar speedups for some other matrix multiplies) that can be achieved with a modification affecting a dozen or so lines of easily-checked code.