diff options
Diffstat (limited to 'JOURNAL')
| -rw-r--r-- | JOURNAL | 47 |
1 files changed, 37 insertions, 10 deletions
@@ -1,5 +1,11 @@ --*- mode: muse -*- - +#author Matthias Benkard +#date 2007-09-23 - <lisp>(format-time-string "%Y-%m-%d")</lisp> +#title Objective-CL Development Journal +#desc News from the Objective-CL lab + +; Time-stamp: <2008-03-18 16:55:34 mulk> +; +; C-c C-t muse-project-publish-this-file ; C-c i t insert-time-stamp @@ -70,24 +76,28 @@ First, some stats (this is on Wirselkraut, my Dell Inspiron 6400). *** CLISP 2.44 +<example> OBJCL[3]> (time (collect-classes)) Real time: 14.182854 sec. Run time: 14.180886 sec. Space: 189717640 Bytes GC: 123, GC time: 2.412143 sec. 0 +</example> *** Allegro CL 8.1 +<example> OBJCL(3): (time (collect-classes)) -; cpu time (non-gc) 2,660 msec user, 10 msec system -; cpu time (gc) 620 msec user, 0 msec system -; cpu time (total) 3,280 msec user, 10 msec system -; real time 3,291 msec -; space allocation: -; 1,816,989 cons cells, 44,365,376 other bytes, 72,082 static bytes + ; cpu time (non-gc) 2,660 msec user, 10 msec system + ; cpu time (gc) 620 msec user, 0 msec system + ; cpu time (total) 3,280 msec user, 10 msec system + ; real time 3,291 msec + ; space allocation: + ; 1,816,989 cons cells, 44,365,376 other bytes, 72,082 static bytes 0 +</example> Note that Allegro CL defers class finalisation until the first instance of a class is created. Then again, half the classes created are @@ -97,6 +107,7 @@ impressive, either way. *** SBCL 1.0.14.debian +<example> \* (time (collect-classes)) STYLE-WARNING: slot names with the same SYMBOL-NAME but different SYMBOL-PACKAGE (possible @@ -112,6 +123,7 @@ STYLE-WARNING: package problem) for class #<NS:+NS-OBJECT NS:+GSXMLP-LIST-PARSER {B75ED3E0}>: (SB-PCL::NAME NS:NAME) +</example> That's how it starts off. The STYLE-WARNINGs go on and on. At first, they rush by fast, but each new class seems to take more time than the @@ -121,9 +133,10 @@ order to tell you the TIME stats because it could well take decades... *** CMUCL CVS 19d 19d-release (19D) +<example> \* (time (collect-classes)) -; Compiling LAMBDA NIL: -; Compiling Top-Level Form: + ; Compiling LAMBDA NIL: + ; Compiling Top-Level Form: Type-error in KERNEL::INVALID-ARRAY-INDEX-ERROR-HANDLER: 4 is not of type (INTEGER 0 (0)) @@ -141,6 +154,7 @@ Source: ; File: target:code/hash-new.lisp (AREF KV-VECTOR (* 2 I)) 0] +</example> I don't have the slightest idea what that could mean. A bug in CMUCL's hash table code? @@ -315,6 +329,7 @@ big-endian machines. In principle, the typespec "c" is supposed indicate a char. Now look at the following SLIME session transcript (SBCL/PowerPC on Mac OS X): +<example> OBJECTIVE-CL> (defparameter *tmp* (invoke (find-objc-class 'ns-string) :string-with-u-t-f-8-string "Mulk.")) @@ -338,6 +353,7 @@ OBJECTIVE-CL> (primitive-invoke *tmp* :is-equal :long *tmp2*) 1 OBJECTIVE-CL> (primitive-invoke *tmp* :is-equal :long-long *tmp2*) 4294967296 +</example> Now, I see why the last value is bogus (I'd be surprised if it weren't, actually), but why the heck is the correct value (1, because, you see, @@ -516,3 +532,14 @@ slower than directly calling stuff from Objective-C). ** By The Way Gorm rules. We need to make Objective-CL fully Gorm-compatible. + + +---- + +*Matthias Benkard, <lisp>(format-time-string "%d. %B %Y, %k:%M %Z")</lisp>* + +http://matthias.benkard.de/ + +; Local Variables: +; mode: muse +; End: |