Re: [Rd] Speed improvement to evalList

2010-08-23 Thread luke
Thanks for the suggestion. I'll try to have a look later in the week unless someone else gets there sooner. luke On Mon, 23 Aug 2010, Radford Neal wrote: Regarding my suggesting speed improvement to evalList, Martin Morgan has commented by email to me that at one point an object is left unpro

Re: [Rd] Speed improvement to evalList

2010-08-23 Thread Radford Neal
Regarding my suggesting speed improvement to evalList, Martin Morgan has commented by email to me that at one point an object is left unprotected when COPY_TAG is called, and has wondered whether that is safe. I think it is safe, but the code can be changed to protect this as well, which actually

[Rd] Speed improvement to evalList

2010-08-21 Thread Radford Neal
I've been inspired to look at the R source code by some strange timing results that I wrote about on my blog at radfordneal.wordpress.com (see the posts on "Speeding up parentheses..." and "Two surprising things...". I discovered that the strange speed advantage of curly brackets over parentheses