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10:17 Lajla: How does racket internally perform its TCO?
10:17 Lajla: eli, you seem like the peron that knoweth this
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11:38 jay-mccarthy: Lajla: see line 50 of src/racket/eval.c
11:42 Lajla: jay-mccarthy, not main.c?
11:42 Lajla: eval.c doesn  exist
11:43 jay-mccarthy: src/racket/src/eval
11:43 Lajla: .c, that is
11:43 jay-mccarthy: ya
11:44 jay-mccarthy: basically it uses a trampoline and the c stack
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11:48 Lajla: jay-mccarthy, ahhh
11:48 Lajla: And this is faster or slower than using CPS like i.e chicken?
11:49 jay-mccarthy: the racket vm was not designed as rigorously as some of the faster yet less featureful scheme implementations
11:49 Lajla: jay-mccarthy, ahh
11:49 Lajla: Welken zijn sneller?
11:49 Lajla: Ehh, which are faster*
11:49 Lajla: No idea why I spoke Dutch.
11:49 jay-mccarthy: i'm not sure if you could compare them well
11:49 jay-mccarthy: but here is an benchmark from january: http://www.cs.utah.edu/%7Emflatt/benchmarks-20100126/log3/Benchmarks.html
11:49 Lajla: jay-mccarthy, well, I guess Stalin is faster most would ay. =P
11:50 Lajla: Ahaha, Guille lives up to its reputation
11:51 jay-mccarthy: The Racket VM is based on the stack machine from Dybvig's dissertation: http://www.cs.indiana.edu/~dyb/pubs/3imp.pdf
11:51 jay-mccarthy: He talks about how traditional CPS style compilation optimizes the uncommon case
11:52 jay-mccarthy: He's mostly talking about heap allocation of the continuation closures
11:52 jay-mccarthy: which is not necessarily what chicken does
11:52 Lajla: Hmm
11:52 Lajla: It does seem from that benchmark that native code generators win from SCheme -> C compilers.
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11:53 jay-mccarthy: imho, the best functional programming language compiler is mlton. its compiler architecture is described here: http://mlton.org/CompilerOverview
11:54 Lajla: jay-mccarthy, how much are Scheme compilation technieques for scheme or ML sutable for call-by-need/name?
11:56 jay-mccarthy: most old compilers like that were basically scheme implementations that had promises, but since the spineless tagless g-machine (http://portal.acm.org/citation.cfm?id=99385&dl=) that has been the new standard
11:57 jay-mccarthy: you really want to read peyton jones for this: http://research.microsoft.com/en-us/um/people/simonpj/papers/papers.html#compiler
11:57 (notice) rudybot: http://tinyurl.com/3xr625b
12:01 Lajla: jay-mccarthy, I guess.
12:01 Lajla: Is he as good as they claim?
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12:02 jay-mccarthy: i think he's great
12:02 jay-mccarthy: i may not be a good judge thoug
12:04 Lajla: Ahaha, he named a language Henk
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