Re: [Chicken-users] [Chicken-hackers] Any thoughts on performance woes?

2015-04-08 Thread Felix Winkelmann
>> This is a terribly written program. It uses 3-element lists as vectors >> (including higher-order "vector" arithmetic using "map") and allocates >> like hell. The compiler can not do much with this code, and it >> produces CPS calls everywhere. > > I take it you are referring to the {add, sub,

Re: [Chicken-users] [Chicken-hackers] Any thoughts on performance woes?

2015-04-08 Thread Andy Bennett
Hi, > The difference is, this one is much better code, which doesn't exercise > the garbage collector, so it isn't much use as a GC benchmark. Code involving SSQL would be good for a GC benchmark. I recently reworked the query generation in Knodium to be up-front rather than at access-time and go

Re: [Chicken-users] [Chicken-hackers] Any thoughts on performance woes?

2015-04-08 Thread arc
On 08/04/15 22:27, Peter Bex wrote: On Wed, Apr 08, 2015 at 08:26:43PM +1200, arc wrote: I would also caution against generalising from Usenet to some wider community. I haven't visited comp.lang.scheme in years, but I am on my second go at trying to make sense of Forth, so I've been lurking in

[Chicken-users] Fix date-literals to build & install date-literals.import.so

2015-04-08 Thread Andy Bennett
Hi, NhanH reported in IRC that they could not get the date-literals egg to work: (use date-literals) wasn't able to find the module. After some investigation, Peter pointed out that no import library was being installed. Here's a patch that builds and installs the import as well as increases the

Re: [Chicken-users] [Chicken-hackers] Any thoughts on performance woes?

2015-04-08 Thread Peter Bex
On Wed, Apr 08, 2015 at 08:26:43PM +1200, arc wrote: > I would also caution against generalising from Usenet to some wider > community. I haven't visited comp.lang.scheme in years, but I am on > my second go at trying to make sense of Forth, so I've been lurking > in comp.lang.forth, and it's also

Re: [Chicken-users] [Chicken-hackers] Any thoughts on performance woes?

2015-04-08 Thread Alaric Snell-Pym
On 08/04/15 09:26, arc wrote: > I > did interact with (or at least see some interaction with) people like > Marc Feely, Anton van Straaten, Felix (pretty sure?), Alaric, et. al. > > They all seemed like thoroughly nice people, and it's hard to believe > the intervening years have turned them all n

Re: [Chicken-users] [Chicken-hackers] Any thoughts on performance woes?

2015-04-08 Thread arc
On 08/04/15 00:18, John Cowan wrote: Felix Winkelmann scripsit: That there are so many implementors in the Lisp and Scheme community probably makes this irrational emphasis on (execution-time) performance so apparent in these groups. Or it's the remains of the trauma of the AI-Winter, I don't k

Re: [Chicken-users] [Chicken-hackers] Any thoughts on performance woes?

2015-04-08 Thread arc
On 07/04/15 22:59, Christian Kellermann wrote: * Felix Winkelmann [150407 10:41]: That is (among a few other reasons) why I don't do much Scheme or Lisp programming anymore - thinking about the community, reading all this bullshit makes me sick. comp.lang.lisp/scheme is in ruins for most th