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2015-04-20T00:05:06Z stassats: seems like we don't need to lug SB-VM:*PRIMITIVE-OBJECTS* around
2015-04-20T00:05:34Z stassats: only thread is accessed for disassemble, and that could be done i a better fashion
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2015-04-20T00:15:54Z shcl: Does anyone know why sbcl doesn't support forking with multiple threads running?
2015-04-20T00:17:37Z stassats: how would that work?
2015-04-20T00:18:08Z shcl: I imagine it would work similar to C
2015-04-20T00:18:43Z shcl: As I understand it, in C, the thread calling fork is the only one that shows up in the child process
2015-04-20T00:18:53Z stassats: C is not known for saving your toes
2015-04-20T00:19:19Z shcl: indeed
2015-04-20T00:20:35Z stassats: dougk2: have you tried eschewing struct definitions past the cold-init?
2015-04-20T00:22:00Z shcl: so, I found that sbcl's run-program doesn't cover my use case.  I decided to write my own fork-exec wrapper which works for me.  The only problem is that sb-posix:fork errors if there are multiple threads.  I am considering bypassing that restriction, but I want to know what sort of problems I might run into
2015-04-20T00:22:36Z shcl: I'll be execing shortly after the fork, so I'm fine with a slightly-mangled state
2015-04-20T00:23:05Z stassats: what's your use-case then?
2015-04-20T00:23:28Z shcl: run-program closes all fds greater than 2.  I want to keep a few open
2015-04-20T00:25:02Z stassats: execing will of course avoid any problems
2015-04-20T00:26:12Z stassats: as long as you also wrap it in SB-SYS:WITHOUT-GCING
2015-04-20T00:26:51Z shcl: ah!  I can imagine that gc would cause problems.
2015-04-20T00:27:23Z stassats: it also stops interrupts, which is more important
2015-04-20T00:28:59Z shcl: sweet.  I'll toss that in and see how it goes
2015-04-20T00:30:30Z stassats: getting rid of SB-VM:*PRIMITIVE-OBJECTS* only saves 32K
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2015-04-20T00:41:35Z stassats: damn, slime's source locator is really dumb
2015-04-20T00:41:43Z stassats: parser
2015-04-20T00:41:48Z stassats: #. throws it off
2015-04-20T00:43:03Z stassats: dougk2: is info attached to symbols, so when it's uninterned it automagically disappears?
2015-04-20T00:43:14Z dougk2: yes
2015-04-20T00:43:32Z stassats: good
2015-04-20T00:44:40Z stassats: nuking primitive-object structure is probable not worth it
2015-04-20T00:45:23Z dougk2: stassats: what would eschewing structure definitions achieve - not keeping the defstruct-description where it is not strictly necessary at runtime?
2015-04-20T00:47:11Z dougk2: there's about 200Kbytes of symbol names that could be consolidated - however many hundred copies of #:defaulting-temp and #:n-supplied
2015-04-20T00:49:26Z stassats: dougk2: yes
2015-04-20T00:49:39Z stassats: definition, transforms, the whole shebang
2015-04-20T00:50:35Z stassats: *primitive-objects* is only used by genesis and by disassemble, the latter can become a simpler vector map
2015-04-20T00:50:55Z stassats: but that doesn't save very much
2015-04-20T00:51:39Z stassats: i need find my pc-offset removal for x86oids patch, it saves 600 or 800 K
2015-04-20T00:52:01Z stassats: (to reclaim the space i wasted on new locations)
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2015-04-20T14:31:38Z Xof: comments from Robert Strandh about SBCL's count function... "surprisingly hard to specialize on :test 'eql :key 'identity"
2015-04-20T14:31:43Z Xof: dunno if actually true
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2015-04-20T14:33:00Z stassats`: for extensible sequences?
2015-04-20T14:34:19Z Xof: not sure.  Will ask.
2015-04-20T14:34:46Z Xof: also he implements count :from-end t by pushing list elements onto the stack and counting on pop
2015-04-20T14:35:04Z Xof: (similar trick for FIND, POSITION...)
2015-04-20T14:35:05Z stassats`: yeah, we discussed that paper
2015-04-20T14:35:26Z Xof: oh good
2015-04-20T14:35:31Z stassats`: oh joy, it's snow and hail outside
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2015-04-20T15:03:43Z pkhuong: Xof: mm... yeah, I can see how that'd be true.
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