{"generator":"GNU social 2.0.2-dev","title":"Conversation","totalItems":5,"items":[{"actor":{"id":"https:\/\/udongein.xyz\/users\/lispi314","displayName":"LisPi","status_net":{"avatarLinks":[{"url":"https:\/\/gnusocial.jp\/avatar\/209694-original-tmp20231106080216.webp","rel":"avatar","type":"image\/webp","width":400,"height":400},{"url":"https:\/\/gnusocial.jp\/avatar\/209694-96-20231106080216.webp","rel":"avatar","type":"image\/webp","width":96,"height":96},{"url":"https:\/\/gnusocial.jp\/avatar\/209694-48-20231106080216.webp","rel":"avatar","type":"image\/webp","width":48,"height":48},{"url":"https:\/\/gnusocial.jp\/avatar\/209694-24-20231106080216.webp","rel":"avatar","type":"image\/webp","width":24,"height":24}],"profile_info":{"local_id":"209694"}},"image":{"url":"https:\/\/gnusocial.jp\/avatar\/209694-96-20231106080216.webp","rel":"avatar","type":"image\/webp","width":96,"height":96},"objectType":"person","summary":"Hi, I'm Lispi, Lisp (Technomancer) Wizard (to eventually be).You might know me from @lispi314@mastodon.top I like Free Software, #Emacs and resilient computing a lot.I also like anime girls, animes with cute girls doing cute things and artwork with them too. Cute stories are good too.Some Pins:Software and Assumed Privilege, common problems: https:\/\/mastodon.top\/@lispi314\/111253066257920146Writing Privacy-preserving software & services 101: https:\/\/mastodon.top\/@lispi314\/110849018589421824#Kopimism #FreeSoftware #CommonLisp","url":"https:\/\/udongein.xyz\/users\/lispi314","portablecontacts_net":{"preferredUsername":"lispi314","displayName":"LisPi","note":"Hi, I'm Lispi, Lisp (Technomancer) Wizard (to eventually be).You might know me from @lispi314@mastodon.top I like Free Software, #Emacs and resilient computing a lot.I also like anime girls, animes with cute girls doing cute things and artwork with them too. Cute stories are good too.Some Pins:Software and Assumed Privilege, common problems: https:\/\/mastodon.top\/@lispi314\/111253066257920146Writing Privacy-preserving software & services 101: https:\/\/mastodon.top\/@lispi314\/110849018589421824#Kopimism #FreeSoftware #CommonLisp"}},"content":"@dalias<\/a> @jschauma<\/a> @gantua<\/a> @navi<\/a> @mirabilos<\/a> When you compare a cost in megabytes between kilobytes, it means at least an order of reduction less available on my systems (despite machines with terabytes of memory existing, I do not have one).","generator":{"id":"tag:gnusocial.jp,2026-09-13:notice-source:ActivityPub","objectType":"application","status_net":{"source_code":"ActivityPub"}},"id":"https:\/\/udongein.xyz\/objects\/4a55a5cd-305f-4336-8ae8-f27da6946ce9","object":{"id":"https:\/\/udongein.xyz\/objects\/4a55a5cd-305f-4336-8ae8-f27da6946ce9","objectType":"note","content":"@dalias<\/a> @jschauma<\/a> @gantua<\/a> @navi<\/a> @mirabilos<\/a> When you compare a cost in megabytes between kilobytes, it means at least an order of reduction less available on my systems (despite machines with terabytes of memory existing, I do not have one).","url":"https:\/\/gnusocial.jp\/notice\/13147220","status_net":{"notice_id":null},"inReplyTo":{"objectType":"note","id":"https:\/\/hachyderm.io\/users\/dalias\/statuses\/117242284071811246","url":"https:\/\/hachyderm.io\/@dalias\/117242284071811246"}},"to":[{"objectType":"http:\/\/activitystrea.ms\/schema\/1.0\/person","id":"https:\/\/hachyderm.io\/users\/dalias"},{"objectType":"http:\/\/activitystrea.ms\/schema\/1.0\/person","id":"https:\/\/mstdn.social\/users\/jschauma"},{"objectType":"http:\/\/activitystrea.ms\/schema\/1.0\/person","id":"https:\/\/social.vlhl.dev\/users\/navi"},{"objectType":"http:\/\/activitystrea.ms\/schema\/1.0\/person","id":"https:\/\/pleroma.marchera-pas.fr\/users\/gantua"},{"objectType":"http:\/\/activitystrea.ms\/schema\/1.0\/collection","id":"http:\/\/activityschema.org\/collection\/public"}],"status_net":{"conversation":"tag:gnusocial.jp,2026-09-09:objectType=thread:nonce=274595ed878f9599","notice_info":{"local_id":"13147220","source":"ActivityPub"}},"published":"2026-09-09T17:41:25+00:00","provider":{"objectType":"service","displayName":"GNU social JP","url":"https:\/\/gnusocial.jp\/"},"verb":"post","url":"https:\/\/gnusocial.jp\/notice\/13147220"},{"actor":{"id":"https:\/\/hachyderm.io\/users\/dalias","displayName":"Rich Felker","status_net":{"avatarLinks":[{"url":"https:\/\/gnusocial.jp\/avatar\/40873-original-tmp20221202140938.webp","rel":"avatar","type":"image\/webp","width":400,"height":400},{"url":"https:\/\/gnusocial.jp\/avatar\/40873-96-20221207231635.webp","rel":"avatar","type":"image\/webp","width":96,"height":96},{"url":"https:\/\/gnusocial.jp\/avatar\/40873-48-20221207231635.webp","rel":"avatar","type":"image\/webp","width":48,"height":48},{"url":"https:\/\/gnusocial.jp\/avatar\/40873-24-20221207231635.webp","rel":"avatar","type":"image\/webp","width":24,"height":24}],"profile_info":{"local_id":"40873"}},"image":{"url":"https:\/\/gnusocial.jp\/avatar\/40873-96-20221207231635.webp","rel":"avatar","type":"image\/webp","width":96,"height":96},"objectType":"person","summary":"C librarian, purveyor of the language's eldritch horrors. Poppin' shells \ud83e\uddaa","url":"https:\/\/hachyderm.io\/@dalias","portablecontacts_net":{"preferredUsername":"dalias","displayName":"Rich Felker","note":"C librarian, purveyor of the language's eldritch horrors. Poppin' shells \ud83e\uddaa"}},"content":"

@lispi314<\/a> @jschauma<\/a> @gantua<\/a> @navi<\/a> @mirabilos<\/a> Memory overhead for a minimal thread is like 4k of kernel stack and 4k of user stack. That's not megabytes.<\/p>

Even if you need a little bit of working stack space, you can get by with something like <32k, still nowhere near megabytes. But short-lived IO-only threads with signals blocked probably don't even need that much.<\/p>","generator":{"id":"tag:gnusocial.jp,2026-09-13:notice-source:ActivityPub","objectType":"application","status_net":{"source_code":"ActivityPub"}},"id":"https:\/\/hachyderm.io\/users\/dalias\/statuses\/117242308944591925","object":{"id":"https:\/\/hachyderm.io\/users\/dalias\/statuses\/117242308944591925","objectType":"note","content":"

@lispi314<\/a> @jschauma<\/a> @gantua<\/a> @navi<\/a> @mirabilos<\/a> Memory overhead for a minimal thread is like 4k of kernel stack and 4k of user stack. That's not megabytes.<\/p>

Even if you need a little bit of working stack space, you can get by with something like <32k, still nowhere near megabytes. But short-lived IO-only threads with signals blocked probably don't even need that much.<\/p>","url":"https:\/\/hachyderm.io\/@dalias\/117242308944591925","status_net":{"notice_id":null},"inReplyTo":{"objectType":"note","id":"https:\/\/udongein.xyz\/objects\/4a55a5cd-305f-4336-8ae8-f27da6946ce9","url":"https:\/\/gnusocial.jp\/notice\/13147220"}},"to":[{"objectType":"http:\/\/activitystrea.ms\/schema\/1.0\/person","id":"https:\/\/mstdn.social\/users\/jschauma"},{"objectType":"http:\/\/activitystrea.ms\/schema\/1.0\/person","id":"https:\/\/social.vlhl.dev\/users\/navi"},{"objectType":"http:\/\/activitystrea.ms\/schema\/1.0\/person","id":"https:\/\/udongein.xyz\/users\/lispi314"},{"objectType":"http:\/\/activitystrea.ms\/schema\/1.0\/person","id":"https:\/\/pleroma.marchera-pas.fr\/users\/gantua"},{"objectType":"http:\/\/activitystrea.ms\/schema\/1.0\/collection","id":"http:\/\/activityschema.org\/collection\/public"}],"status_net":{"conversation":"tag:gnusocial.jp,2026-09-09:objectType=thread:nonce=274595ed878f9599","notice_info":{"local_id":"13147221","source":"ActivityPub"}},"published":"2026-09-09T17:41:24+00:00","provider":{"objectType":"service","displayName":"GNU social JP","url":"https:\/\/gnusocial.jp\/"},"verb":"post","url":"https:\/\/hachyderm.io\/@dalias\/117242308944591925"},{"actor":{"id":"https:\/\/udongein.xyz\/users\/lispi314","displayName":"LisPi","status_net":{"avatarLinks":[{"url":"https:\/\/gnusocial.jp\/avatar\/209694-original-tmp20231106080216.webp","rel":"avatar","type":"image\/webp","width":400,"height":400},{"url":"https:\/\/gnusocial.jp\/avatar\/209694-96-20231106080216.webp","rel":"avatar","type":"image\/webp","width":96,"height":96},{"url":"https:\/\/gnusocial.jp\/avatar\/209694-48-20231106080216.webp","rel":"avatar","type":"image\/webp","width":48,"height":48},{"url":"https:\/\/gnusocial.jp\/avatar\/209694-24-20231106080216.webp","rel":"avatar","type":"image\/webp","width":24,"height":24}],"profile_info":{"local_id":"209694"}},"image":{"url":"https:\/\/gnusocial.jp\/avatar\/209694-96-20231106080216.webp","rel":"avatar","type":"image\/webp","width":96,"height":96},"objectType":"person","summary":"Hi, I'm Lispi, Lisp (Technomancer) Wizard (to eventually be).You might know me from @lispi314@mastodon.top I like Free Software, #Emacs and resilient computing a lot.I also like anime girls, animes with cute girls doing cute things and artwork with them too. Cute stories are good too.Some Pins:Software and Assumed Privilege, common problems: https:\/\/mastodon.top\/@lispi314\/111253066257920146Writing Privacy-preserving software & services 101: https:\/\/mastodon.top\/@lispi314\/110849018589421824#Kopimism #FreeSoftware #CommonLisp","url":"https:\/\/udongein.xyz\/users\/lispi314","portablecontacts_net":{"preferredUsername":"lispi314","displayName":"LisPi","note":"Hi, I'm Lispi, Lisp (Technomancer) Wizard (to eventually be).You might know me from @lispi314@mastodon.top I like Free Software, #Emacs and resilient computing a lot.I also like anime girls, animes with cute girls doing cute things and artwork with them too. Cute stories are good too.Some Pins:Software and Assumed Privilege, common problems: https:\/\/mastodon.top\/@lispi314\/111253066257920146Writing Privacy-preserving software & services 101: https:\/\/mastodon.top\/@lispi314\/110849018589421824#Kopimism #FreeSoftware #CommonLisp"}},"content":"

@dalias<\/a> @navi<\/a> @jschauma<\/a> @gantua<\/a> @mirabilos<\/a> After using a few languages with working green threads, I do hate how OS threads are expensive and one can't just use the naive option with them without all sorts of problems.<\/p>","generator":{"id":"tag:gnusocial.jp,2026-09-13:notice-source:ActivityPub","objectType":"application","status_net":{"source_code":"ActivityPub"}},"id":"https:\/\/udongein.xyz\/objects\/70871de2-d891-46aa-a40b-8b7cb3ac01c9","object":{"id":"https:\/\/udongein.xyz\/objects\/70871de2-d891-46aa-a40b-8b7cb3ac01c9","objectType":"note","content":"

@dalias<\/a> @navi<\/a> @jschauma<\/a> @gantua<\/a> @mirabilos<\/a> After using a few languages with working green threads, I do hate how OS threads are expensive and one can't just use the naive option with them without all sorts of problems.<\/p>","url":"https:\/\/gnusocial.jp\/notice\/13147193","status_net":{"notice_id":null},"inReplyTo":{"objectType":"note","id":"https:\/\/hachyderm.io\/users\/dalias\/statuses\/117240967119298819","url":"https:\/\/hachyderm.io\/@dalias\/117240967119298819"}},"to":[{"objectType":"http:\/\/activitystrea.ms\/schema\/1.0\/person","id":"https:\/\/hachyderm.io\/users\/dalias"},{"objectType":"http:\/\/activitystrea.ms\/schema\/1.0\/person","id":"https:\/\/mstdn.social\/users\/jschauma"},{"objectType":"http:\/\/activitystrea.ms\/schema\/1.0\/person","id":"https:\/\/social.vlhl.dev\/users\/navi"},{"objectType":"http:\/\/activitystrea.ms\/schema\/1.0\/person","id":"https:\/\/pleroma.marchera-pas.fr\/users\/gantua"},{"objectType":"http:\/\/activitystrea.ms\/schema\/1.0\/collection","id":"http:\/\/activityschema.org\/collection\/public"}],"status_net":{"conversation":"tag:gnusocial.jp,2026-09-09:objectType=thread:nonce=274595ed878f9599","notice_info":{"local_id":"13147193","source":"ActivityPub"}},"published":"2026-09-09T17:35:41+00:00","provider":{"objectType":"service","displayName":"GNU social JP","url":"https:\/\/gnusocial.jp\/"},"verb":"post","url":"https:\/\/gnusocial.jp\/notice\/13147193"},{"actor":{"id":"https:\/\/hachyderm.io\/users\/dalias","displayName":"Rich Felker","status_net":{"avatarLinks":[{"url":"https:\/\/gnusocial.jp\/avatar\/40873-original-tmp20221202140938.webp","rel":"avatar","type":"image\/webp","width":400,"height":400},{"url":"https:\/\/gnusocial.jp\/avatar\/40873-96-20221207231635.webp","rel":"avatar","type":"image\/webp","width":96,"height":96},{"url":"https:\/\/gnusocial.jp\/avatar\/40873-48-20221207231635.webp","rel":"avatar","type":"image\/webp","width":48,"height":48},{"url":"https:\/\/gnusocial.jp\/avatar\/40873-24-20221207231635.webp","rel":"avatar","type":"image\/webp","width":24,"height":24}],"profile_info":{"local_id":"40873"}},"image":{"url":"https:\/\/gnusocial.jp\/avatar\/40873-96-20221207231635.webp","rel":"avatar","type":"image\/webp","width":96,"height":96},"objectType":"person","summary":"C librarian, purveyor of the language's eldritch horrors. Poppin' shells \ud83e\uddaa","url":"https:\/\/hachyderm.io\/@dalias","portablecontacts_net":{"preferredUsername":"dalias","displayName":"Rich Felker","note":"C librarian, purveyor of the language's eldritch horrors. Poppin' shells \ud83e\uddaa"}},"content":"

@lispi314<\/a> @jschauma<\/a> @gantua<\/a> @navi<\/a> @mirabilos<\/a> Except they're not expensive. That's a myth from the 90s. The mental model should be that they're more expensive than a basic syscall but less expensive than any significant IO.<\/p>","generator":{"id":"tag:gnusocial.jp,2026-09-13:notice-source:ActivityPub","objectType":"application","status_net":{"source_code":"ActivityPub"}},"id":"https:\/\/hachyderm.io\/users\/dalias\/statuses\/117242284071811246","object":{"id":"https:\/\/hachyderm.io\/users\/dalias\/statuses\/117242284071811246","objectType":"note","content":"

@lispi314<\/a> @jschauma<\/a> @gantua<\/a> @navi<\/a> @mirabilos<\/a> Except they're not expensive. That's a myth from the 90s. The mental model should be that they're more expensive than a basic syscall but less expensive than any significant IO.<\/p>","url":"https:\/\/hachyderm.io\/@dalias\/117242284071811246","status_net":{"notice_id":null},"inReplyTo":{"objectType":"note","id":"https:\/\/udongein.xyz\/objects\/70871de2-d891-46aa-a40b-8b7cb3ac01c9","url":"https:\/\/gnusocial.jp\/notice\/13147193"}},"to":[{"objectType":"http:\/\/activitystrea.ms\/schema\/1.0\/person","id":"https:\/\/mstdn.social\/users\/jschauma"},{"objectType":"http:\/\/activitystrea.ms\/schema\/1.0\/person","id":"https:\/\/social.vlhl.dev\/users\/navi"},{"objectType":"http:\/\/activitystrea.ms\/schema\/1.0\/person","id":"https:\/\/udongein.xyz\/users\/lispi314"},{"objectType":"http:\/\/activitystrea.ms\/schema\/1.0\/person","id":"https:\/\/pleroma.marchera-pas.fr\/users\/gantua"},{"objectType":"http:\/\/activitystrea.ms\/schema\/1.0\/collection","id":"http:\/\/activityschema.org\/collection\/public"}],"status_net":{"conversation":"tag:gnusocial.jp,2026-09-09:objectType=thread:nonce=274595ed878f9599","notice_info":{"local_id":"13147194","source":"ActivityPub"}},"published":"2026-09-09T17:35:40+00:00","provider":{"objectType":"service","displayName":"GNU social JP","url":"https:\/\/gnusocial.jp\/"},"verb":"post","url":"https:\/\/hachyderm.io\/@dalias\/117242284071811246"},{"actor":{"id":"https:\/\/hachyderm.io\/users\/dalias","displayName":"Rich Felker","status_net":{"avatarLinks":[{"url":"https:\/\/gnusocial.jp\/avatar\/40873-original-tmp20221202140938.webp","rel":"avatar","type":"image\/webp","width":400,"height":400},{"url":"https:\/\/gnusocial.jp\/avatar\/40873-96-20221207231635.webp","rel":"avatar","type":"image\/webp","width":96,"height":96},{"url":"https:\/\/gnusocial.jp\/avatar\/40873-48-20221207231635.webp","rel":"avatar","type":"image\/webp","width":48,"height":48},{"url":"https:\/\/gnusocial.jp\/avatar\/40873-24-20221207231635.webp","rel":"avatar","type":"image\/webp","width":24,"height":24}],"profile_info":{"local_id":"40873"}},"image":{"url":"https:\/\/gnusocial.jp\/avatar\/40873-96-20221207231635.webp","rel":"avatar","type":"image\/webp","width":96,"height":96},"objectType":"person","summary":"C librarian, purveyor of the language's eldritch horrors. Poppin' shells \ud83e\uddaa","url":"https:\/\/hachyderm.io\/@dalias","portablecontacts_net":{"preferredUsername":"dalias","displayName":"Rich Felker","note":"C librarian, purveyor of the language's eldritch horrors. Poppin' shells \ud83e\uddaa"}},"content":"

@navi<\/a> @jschauma<\/a> @gantua<\/a> @mirabilos<\/a> @lispi314<\/a> Yeah they're both for ppl who insist on Rube Goldberg machines to express their ideological hate for threads. \ud83d\ude43<\/p>","generator":{"id":"tag:gnusocial.jp,2026-09-13:notice-source:ActivityPub","objectType":"application","status_net":{"source_code":"ActivityPub"}},"id":"https:\/\/hachyderm.io\/users\/dalias\/statuses\/117240967119298819","object":{"id":"https:\/\/hachyderm.io\/users\/dalias\/statuses\/117240967119298819","objectType":"note","content":"

@navi<\/a> @jschauma<\/a> @gantua<\/a> @mirabilos<\/a> @lispi314<\/a> Yeah they're both for ppl who insist on Rube Goldberg machines to express their ideological hate for threads. \ud83d\ude43<\/p>","url":"https:\/\/hachyderm.io\/@dalias\/117240967119298819","status_net":{"notice_id":null}},"to":[{"objectType":"http:\/\/activitystrea.ms\/schema\/1.0\/person","id":"https:\/\/mstdn.social\/users\/jschauma"},{"objectType":"http:\/\/activitystrea.ms\/schema\/1.0\/person","id":"https:\/\/social.vlhl.dev\/users\/navi"},{"objectType":"http:\/\/activitystrea.ms\/schema\/1.0\/person","id":"https:\/\/udongein.xyz\/users\/lispi314"},{"objectType":"http:\/\/activitystrea.ms\/schema\/1.0\/person","id":"https:\/\/pleroma.marchera-pas.fr\/users\/gantua"},{"objectType":"http:\/\/activitystrea.ms\/schema\/1.0\/collection","id":"http:\/\/activityschema.org\/collection\/public"}],"status_net":{"conversation":"tag:gnusocial.jp,2026-09-09:objectType=thread:nonce=274595ed878f9599","notice_info":{"local_id":"13145676","source":"ActivityPub"}},"published":"2026-09-09T11:59:51+00:00","provider":{"objectType":"service","displayName":"GNU social JP","url":"https:\/\/gnusocial.jp\/"},"verb":"post","url":"https:\/\/hachyderm.io\/@dalias\/117240967119298819"}],"links":[{"url":"https:\/\/gnusocial.jp\/conversation\/6679764","rel":"alternate","type":"text\/html"}]}