On Mon, Apr 21, 2008 at 9:25 AM, mabshoff <[EMAIL PROTECTED]> wrote: > > On Apr 21, 9:09 am, Martin Rubey <[EMAIL PROTECTED]> wrote: > > Just a quick note now, maybe more later: > > <SNIP> > > Hi Martin, > > > > > "I know of three open source implementations of lisp that do not need to > > > bootstrap themselves" > > > > What's wrong with bootstrapping, and in particular with > sbcl?http://www.sbcl.org/platform-table.html > > I like sbcl and it works well. > > > > Do you insist on building the lisp from scratch? > > Yes. > > > If so, why? > > Shipping binaries is not an option due to size constraints. Requiring > some external version of lisp is tricky and Maxima for example behaves > differently, i.e. default precision of floats is different, with > different lisp implementations. And Sage is supposed to be a compile > from scratch & self hosting experience and while it usually isn't a > problem to find or install some version of lisp on Linux it is a pain > to do so on Windows or OSX. And Sage is supposed to be "easy" to > install and run and every external requirement makes it more > complicated. There are also important Sage users who greatly > appreciate the fact that every bit in Sage can be delivered in source. > > > > In any case, I think that clisp is not a very good choice for FriCAS except > > that it is available almost everwhere. SBCL based FriCAS is *a lot* > faster. I > > do not have a clisp version handy, but SBCL vs. GCL makes a *factor* of 2 > for, > > eg., guessing. CLISP is still slower. > > Yes, we are well aware that clisp is quite bad performance wise > compared to gcl and especially sbcl, but we prefer a buildable lisp > over a potentially faster version that creates even more build > problems.
Well, you can first build clisp and then sbcl using clisp. :) Ondrej --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
